US20200333051A1 - Refrigeration cycle - Google Patents
Refrigeration cycle Download PDFInfo
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- US20200333051A1 US20200333051A1 US16/954,973 US201816954973A US2020333051A1 US 20200333051 A1 US20200333051 A1 US 20200333051A1 US 201816954973 A US201816954973 A US 201816954973A US 2020333051 A1 US2020333051 A1 US 2020333051A1
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- United States
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Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
- C09K2205/10—Components
- C09K2205/12—Hydrocarbons
- C09K2205/128—Perfluorinated hydrocarbons
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- C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
- C09K2205/22—All components of a mixture being fluoro compounds
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- C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
- C09K2205/24—Only one single fluoro component present
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- C09K2205/40—Replacement mixtures
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- C09K2205/40—Replacement mixtures
- C09K2205/43—Type R22
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2211/00—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions
- C10M2211/02—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions containing carbon, hydrogen and halogen only
- C10M2211/022—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions containing carbon, hydrogen and halogen only aliphatic
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/02—Pour-point; Viscosity index
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/30—Refrigerators lubricants or compressors lubricants
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/023—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
- F25B2313/0233—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units in parallel arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/07—Details of compressors or related parts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/12—Inflammable refrigerants
- F25B2400/121—Inflammable refrigerants using R1234
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/05—Cost reduction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/07—Exceeding a certain pressure value in a refrigeration component or cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/05—Refrigerant levels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2513—Expansion valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/04—Refrigerant level
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/19—Pressures
- F25B2700/193—Pressures of the compressor
- F25B2700/1931—Discharge pressures
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Definitions
- the present disclosure relates to a refrigeration cycle.
- PTL 1 Japanese Unexamined Patent Application Publication No. 57-198968 discloses a refrigeration cycle using a nonazeotropic mixed refrigerant.
- a refrigeration cycle according to a first aspect is a refrigeration cycle using a mixed refrigerant which is a flammable refrigerant and which contains at least 1,2-difluoroethylene (HFO-1132(E)), and includes a compressor, a heat-source-side heat exchanger, an expansion mechanism, a use-side heat exchanger, and a decompression mechanism.
- the decompression mechanism decompresses, between an inlet and an outlet of the heat-source-side heat exchanger, the mixed refrigerant flowing through the heat-source-side heat exchanger that functions as an evaporator.
- the decompression mechanism decreases the pressure of the refrigerant in the middle. Accordingly, the difference in evaporation temperature between the inlet and the outlet of the heat-source-side heat exchanger generated when the refrigerant is evaporated under the constant pressure can be decreased. Consequently, the capacity of heat exchange can be ensured, and the performance of the refrigeration cycle can be increased.
- a refrigeration cycle according to a second aspect is the refrigeration cycle according to the first aspect, in which the decompression mechanism decompresses the mixed refrigerant flowing through the heat-source-side heat exchanger in accordance with a temperature gradient of the mixed refrigerant.
- a refrigeration cycle according to a third aspect is the refrigeration cycle according to the first aspect or the second aspect, in which the heat-source-side heat exchanger includes a first heat exchange section and a second heat exchange section.
- the decompression mechanism is disposed between the first heat exchange section and the second heat exchange section.
- a refrigeration cycle according to a fourth aspect is the refrigeration cycle according to any one of the first aspect to the fourth aspect, in which the use-side heat exchanger is disposed in a use unit.
- the use-side heat exchanger includes a third heat exchange section located on a front-surface side of the use unit, and a fourth heat exchange section located on a rear-surface side of the use unit. An upper portion of the fourth heat exchange section is located near an upper portion of the third heat exchange section.
- the third heat exchange section extends obliquely downward from the upper portion thereof toward the front-surface side of the use unit.
- the fourth heat exchange section extends obliquely downward from the upper portion thereof toward the rear-surface side of the use unit.
- a capacity of a refrigerant flow path of the third heat exchange section is larger than a capacity of a refrigerant flow path of the fourth heat exchange section.
- the capacity of the refrigerant flow path of the third heat exchange section located on the front-surface side of the use unit is larger than the capacity of the refrigerant flow path of the fourth heat exchange section. Accordingly, the third heat exchange section having a larger capacity of the refrigerant flow path exchanges more heat between the mixed refrigerant and the air on the front-surface side of the use unit of which the velocity of the air passing through the heat exchange section tends to be high.
- a refrigeration cycle according to a 5th aspect is the refrigeration cycle according to any of the 1st through 4th aspects, wherein, the refrigerant comprises trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), and 2,3,3,3-tetrafluoro-1-propene (R1234yf).
- the refrigerant comprises trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), and 2,3,3,3-tetrafluoro-1-propene (R1234yf).
- the capacity of heat exchange can be increased when a refrigerant having a sufficiently low GWP, a refrigeration capacity (may also be referred to as a cooling capacity or a capacity) and a coefficient of performance (COP) equal to those of R410A is used.
- a refrigeration capacity may also be referred to as a cooling capacity or a capacity
- COP coefficient of performance
- a refrigeration cycle according to a 6th aspect is the refrigeration cycle according to the 5th aspect, wherein, when the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments AA′, A′B, BD, DC′, C′C, CO, and OA that connect the following 7 points:
- point A (68.6, 0.0, 31.4), point A′ (30.6, 30.0, 39.4), point B (0.0, 58.7, 41.3), point D (0.0, 80.4, 19.6), point C′ (19.5, 70.5, 10.0), point C (32.9, 67.1, 0.0), and point O (100.0, 0.0, 0.0), or on the above line segments (excluding the points on the line segments BD, CO, and OA);
- the line segment AA′ is represented by coordinates (x, 0.0016x 2 ⁇ 0.9473x+57.497, ⁇ 0.0016x 2 ⁇ 0.0527x+42.503),
- the line segment A′B is represented by coordinates (x, 0.0029x 2 ⁇ 1.0268x+58.7, ⁇ 0.0029x 2 +0.0268x+41.3),
- the line segment DC′ is represented by coordinates (x, 0.0082x 2 ⁇ 0.6671x+80.4, ⁇ 0.0082x 2 ⁇ 0.3329x+19.6),
- the line segment C′C is represented by coordinates (x, 0.0067x 2 ⁇ 0.6034x+79.729, ⁇ 0.0067x 2 ⁇ 0.3966x+20.271), and
- the line segments BD, CO, and OA are straight lines.
- a refrigeration cycle according to a 7th aspect is the refrigeration cycle according to the 5th aspect, wherein, when the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments GI, IA, AA′, A′B, BD, DC′, C′C, and CG that connect the following 8 points:
- point G (72.0, 28.0, 0.0), point I (72.0, 0.0, 28.0), point A (68.6, 0.0, 31.4), point A′ (30.6, 30.0, 39.4), point B (0.0, 58.7, 41.3), point D (0.0, 80.4, 19.6), point C′ (19.5, 70.5, 10.0), and point C (32.9, 67.1, 0.0), or on the above line segments (excluding the points on the line segments IA, BD, and CG);
- the line segment AA′ is represented by coordinates (x, 0.0016x 2 ⁇ 0.9473x+57.497, ⁇ 0.0016x 2 ⁇ 0.0527x+42.503),
- the line segment A′B is represented by coordinates (x, 0.0029x 2 ⁇ 1.0268x+58.7, ⁇ 0.0029x 2 +0.0268x+41.3),
- the line segment DC′ is represented by coordinates (x, 0.0082x 2 ⁇ 0.6671x+80.4, ⁇ 0.0082x 2 ⁇ 0.3329x+19.6),
- the line segment C′C is represented by coordinates (x, 0.0067x 2 ⁇ 0.6034x+79.729, ⁇ 0.0067x 2 ⁇ 0.3966x+20.271), and
- the line segments GI, IA, BD, and CG are straight lines.
- a refrigeration cycle according to a 8th aspect is the refrigeration cycle according to the 5th aspect, wherein, when the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments JP, PN, NK, KA′, A′B, BD, DC′, C′C, and CJ that connect the following 9 points:
- point J (47.1, 52.9, 0.0), point P (55.8, 42.0, 2.2), point N (68.6, 16.3, 15.1), point K (61.3, 5.4, 33.3), point A′ (30.6, 30.0, 39.4), point B (0.0, 58.7, 41.3), point D (0.0, 80.4, 19.6), point C′ (19.5, 70.5, 10.0), and point C (32.9, 67.1, 0.0), or on the above line segments (excluding the points on the line segments BD and CJ);
- the line segment PN is represented by coordinates (x, ⁇ 0.1135x 2 +12.112x ⁇ 280.43, 0.1135x 2 ⁇ 13.112x+380.43),
- the line segment NK is represented by coordinates (x, 0.2421x 2 ⁇ 29.955x+931.91, ⁇ 0.2421x 2 +28.955x ⁇ 831.91),
- the line segment KA′ is represented by coordinates (x, 0.0016x 2 ⁇ 0.9473x+57.497, ⁇ 0.0016x 2 ⁇ 0.0527x+42.503),
- the line segment A′B is represented by coordinates (x, 0.0029x 2 ⁇ 1.0268x+58.7, ⁇ 0.0029x 2 +0.0268x+41.3),
- the line segment DC′ is represented by coordinates (x, 0.0082x 2 ⁇ 0.6671x+80.4, ⁇ 0.0082x 2 ⁇ 0.3329x+19.6),
- the line segment C′C is represented by coordinates (x, 0.0067x 2 ⁇ 0.6034x+79.729, ⁇ 0.0067x 2 ⁇ 0.3966x+20.271), and
- the line segments JP, BD, and CG are straight lines.
- a refrigeration cycle according to a 9th aspect is the refrigeration cycle according to the 5th aspect, wherein, when the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments JP, PL, LM, MA′, A′B, BD, DC′, C′C, and CJ that connect the following 9 points:
- point J (47.1, 52.9, 0.0), point P (55.8, 42.0, 2.2), point L (63.1, 31.9, 5.0), point M (60.3, 6.2, 33.5), point A′ (30.6, 30.0, 39.4), point B (0.0, 58.7, 41.3), point D (0.0, 80.4, 19.6), point C′ (19.5, 70.5, 10.0), and point C (32.9, 67.1, 0.0), or on the above line segments (excluding the points on the line segments BD and CJ);
- the line segment PL is represented by coordinates (x, ⁇ 0.1135x 2 +12.112x ⁇ 280.43, 0.1135x 2 ⁇ 13.112x+380.43)
- the line segment MA′ is represented by coordinates (x, 0.0016x 2 ⁇ 0.9473x+57.497, ⁇ 0.0016x 2 ⁇ 0.0527x+42.503),
- the line segment A′B is represented by coordinates (x, 0.0029x 2 ⁇ 1.0268x+58.7, ⁇ 0.0029x 2 +0.0268x+41.3),
- the line segment DC′ is represented by coordinates (x, 0.0082x 2 ⁇ 0.6671x+80.4, ⁇ 0.0082x 2 ⁇ 0.3329x+19.6),
- the line segment C′C is represented by coordinates (x, 0.0067x 2 ⁇ 0.6034x+79.729, ⁇ 0.0067x 2 ⁇ 0.3966x+20.271), and
- the line segments JP, LM, BD, and CG are straight lines.
- a refrigeration cycle according to a 10th aspect is the refrigeration cycle according to the 5th aspect, wherein, when the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments PL, LM, MA′, A′B, BF, FT, and TP that connect the following 7 points:
- point P (55.8, 42.0, 2.2), point L (63.1, 31.9, 5.0), point M (60.3, 6.2, 33.5), point A′ (30.6, 30.0, 39.4), point B (0.0, 58.7, 41.3), point F (0.0, 61.8, 38.2), and point T (35.8, 44.9, 19.3), or on the above line segments (excluding the points on the line segment BF);
- the line segment PL is represented by coordinates (x, ⁇ 0.1135x 2 +12.112x ⁇ 280.43, 0.1135x 2 ⁇ 13.112x+380.43),
- the line segment MA′ is represented by coordinates (x, 0.0016x 2 ⁇ 0.9473x+57.497, ⁇ 0.0016x 2 ⁇ 0.0527x+42.503),
- the line segment A′B is represented by coordinates (x, 0.0029x 2 ⁇ 1.0268x+58.7, ⁇ 0.0029x 2 +0.0268x+41.3),
- the line segment FT is represented by coordinates (x, 0.0078x 2 ⁇ 0.7501x+61.8, ⁇ 0.0078x 2 ⁇ 0.2499x+38.2),
- the line segment TP is represented by coordinates (x, 0.00672x 2 ⁇ 0.7607x+63.525, ⁇ 0.00672x 2 ⁇ 0.2393x+36.475), and
- the line segments LM and BF are straight lines.
- a refrigeration cycle according to a 11th aspect is the refrigeration cycle according to the 5th aspect, wherein, when the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments PL, LQ, QR, and RP that connect the following 4 points:
- point P (55.8, 42.0, 2.2), point L (63.1, 31.9, 5.0), point Q (62.8, 29.6, 7.6), and point R (49.8, 42.3, 7.9), or on the above line segments;
- the line segment PL is represented by coordinates (x, ⁇ 0.1135x 2 +12.112x ⁇ 280.43, 0.1135x 2 ⁇ 13.112x+380.43),
- the line segment RP is represented by coordinates (x, 0.00672x 2 ⁇ 0.7607x+63.525, ⁇ 0.00672x 2 ⁇ 0.2393x+36.475), and
- the line segments LQ and QR are straight lines.
- a refrigeration cycle according to a 12th aspect is the refrigeration cycle according to the 5th aspect, wherein, when the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments SM, MA′, A′B, BF, FT, and TS that connect the following 6 points:
- point S (62.6, 28.3, 9.1), point M (60.3, 6.2, 33.5), point A′ (30.6, 30.0, 39.4), point B (0.0, 58.7, 41.3), point F (0.0, 61.8, 38.2), and point T (35.8, 44.9, 19.3), or on the above line segments,
- the line segment MA′ is represented by coordinates (x, 0.0016x 2 ⁇ 0.9473x+57.497, ⁇ 0.0016x 2 ⁇ 0.0527x+42.503),
- the line segment A′B is represented by coordinates (x, 0.0029x 2 ⁇ 1.0268x+58.7, ⁇ 0.0029x 2 +0.0268x+41.3),
- the line segment FT is represented by coordinates (x, 0.0078x 2 ⁇ 0.7501x+61.8, ⁇ 0.0078x 2 ⁇ 0.2499x+38.2),
- the line segment TS is represented by coordinates (x, ⁇ 0.0017x 2 ⁇ 0.7869x+70.888, ⁇ 0.0017x 2 ⁇ 0.2131x+29.112), and
- the line segments SM and BF are straight lines.
- a refrigeration cycle according to a 13th aspect is the refrigeration cycle according to any of the 1st through 4th aspects, wherein, the refrigerant comprises trans-1,2-difluoroethylene (HFO-1132(E)) and trifluoroethylene (HFO-1123) in a total amount of 99.5 mass % or more based on the entire refrigerant, and
- the refrigerant comprises 62.0 mass % to 72.0 mass % of HFO-1132(E) based on the entire refrigerant.
- the capacity of heat exchange can be increased when a refrigerant having a sufficiently low GWP, a refrigeration capacity (may also be referred to as a cooling capacity or a capacity) and a coefficient of performance (COP) equal to those of R410A and classified with lower flammability (Class 2L) in the standard of The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) is used.
- a refrigeration capacity may also be referred to as a cooling capacity or a capacity
- COP coefficient of performance
- a refrigeration cycle according to a 14th aspect is the refrigeration cycle according to any of the 1st through 4th aspects, wherein, the refrigerant comprises HFO-1132(E) and HFO-1123 in a total amount of 99.5 mass % or more based on the entire refrigerant, and
- the refrigerant comprises 45.1 mass % to 47.1 mass % of HFO-1132(E) based on the entire refrigerant.
- the capacity of heat exchange can be increased when a refrigerant having a sufficiently low GWP, a refrigeration capacity (may also be referred to as a cooling capacity or a capacity) and a coefficient of performance (COP) equal to those of R410A and classified with lower flammability (Class 2L) in the standard of The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) is used.
- a refrigeration capacity may also be referred to as a cooling capacity or a capacity
- COP coefficient of performance
- a refrigeration cycle according to a 15th aspect is the refrigeration cycle according to any of the 1st through 4th aspects, wherein, the refrigerant comprises trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), 2,3,3,3-tetrafluoro-1-propene (R1234yf), and difluoromethane (R32),
- HFO-1132(E) trans-1,2-difluoroethylene
- HFO-1123 trifluoroethylene
- R1234yf 2,3,3,3-tetrafluoro-1-propene
- R32 difluoromethane
- point G (0.026a 2 ⁇ 1.7478a+72.0, ⁇ 0.026a 2 +0.7478a+28.0, 0.0), point I (0.026a 2 ⁇ 1.7478a+72.0, 0.0, ⁇ 0.026a 2 +0.7478a+28.0), point A (0.0134a 2 ⁇ 1.9681a+68.6, 0.0, ⁇ 0.0134a 2 +0.9681a+31.4), point B (0.0, 0.0144a 2 ⁇ 1.6377a+58.7, ⁇ 0.0144a 2 +0.6377a+41.3), point D′ (0.0, 0.0224a 2 +0.968a+75.4, ⁇ 0.0224a 2 ⁇ 1.968a+24.6), and point C ( ⁇ 0.2304a 2 ⁇ 0.4062a+32.9, 0.2304a 2 ⁇ 0.5938a+67.1, 0.0), or on the straight lines GI, AB, and D′C (excluding point G, point I, point A, point B, point D′, and point C);
- coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines GI, IA, AB, BW, and WG that connect the following 5 points:
- point G (0.02a 2 ⁇ 1.6013a+71.105, ⁇ 0.02a 2 +0.6013a+28.895, 0.0)
- point I (0.02a 2 ⁇ 1.6013a+71.105, 0.0, ⁇ 0.02a 2 +0.6013a+28.895)
- point A (0.0112a 2 ⁇ 1.9337a+68.484, 0.0, ⁇ 0.0112a 2 +0.9337a+31.516)
- point B (0.0, 0.0075a 2 ⁇ 1.5156a+58.199, ⁇ 0.0075a 2 +0.5156a+41.801)
- point W (0.0, 100.0 ⁇ a, 0.0), or on the straight lines GI and AB (excluding point G, point I, point A, point B, and point W);
- coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines GI, IA, AB, BW, and WG that connect the following 5 points:
- point G (0.0135a 2 ⁇ 1.4068a+69.727, ⁇ 0.0135a 2 +0.4068a+30.273, 0.0)
- point I (0.0135a 2 ⁇ 1.4068a+69.727, 0.0, ⁇ 0.0135a 2 +0.4068a+30.273)
- point A (0.0107a 2 ⁇ 1.9142a+68.305, 0.0, ⁇ 0.0107a 2 +0.9142a+31.695)
- point B (0.0, 0.009a 2 ⁇ 1.6045a+59.318, ⁇ 0.009a 2 +0.6045a+40.682)
- point W (0.0, 100.0 ⁇ a, 0.0), or on the straight lines GI and AB (excluding point G, point I, point A, point B, and point W);
- coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines GI, IA, AB, BW, and WG that connect the following 5 points:
- point G (0.0111a 2 ⁇ 1.3152a+68.986, ⁇ 0.0111a 2 +0.3152a+31.014, 0.0)
- point I (0.0111a 2 ⁇ 1.3152a+68.986, 0.0, ⁇ 0.0111a 2 +0.3152a+31.014)
- point A (0.0103a 2 ⁇ 1.9225a+68.793, 0.0, ⁇ 0.0103a 2 +0.9225a+31.207)
- point B 0.0, 0.0046a 2 ⁇ 1.41a+57.286, ⁇ 0.0046a 2 +0.41a+42.714
- point W (0.0, 100.0 ⁇ a, 0.0), or on the straight lines GI and AB (excluding point G, point I, point A, point B, and point W); and
- coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines GI, IA, AB, BW, and WG that connect the following 5 points:
- point G (0.0061a 2 ⁇ 0.9918a+63.902, ⁇ 0.0061a 2 ⁇ 0.0082a+36.098, 0.0)
- point I (0.0061a 2 ⁇ 0.9918a+63.902, 0.0, ⁇ 0.0061a 2 ⁇ 0.0082a+36.098)
- point A (0.0085a 2 ⁇ 1.8102a+67.1, 0.0, ⁇ 0.0085a 2 +0.8102a+32.9)
- point B 0.0, 0.0012a 2 ⁇ 1.1659a+52.95, ⁇ 0.0012a 2 +0.1659a+47.05
- point W (0.0, 100.0 ⁇ a, 0.0), or on the straight lines GI and AB (excluding point G, point I, point A, point B, and point W).
- the capacity of heat exchange can be increased when a refrigerant having a sufficiently low GWP, a refrigeration capacity (may also be referred to as a cooling capacity or a capacity) and a coefficient of performance (COP) equal to those of R410A is used.
- a refrigeration capacity may also be referred to as a cooling capacity or a capacity
- COP coefficient of performance
- a refrigeration cycle according to a 16th aspect is the refrigeration cycle according to any of the 1st through 4th aspects, wherein, the refrigerant comprises trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), 2,3,3,3-tetrafluoro-1-propene (R1234yf), and difluoromethane (R32),
- HFO-1132(E) trans-1,2-difluoroethylene
- HFO-1123 trifluoroethylene
- R1234yf 2,3,3,3-tetrafluoro-1-propene
- R32 difluoromethane
- point J (0.0049a 2 ⁇ 0.9645a+47.1, ⁇ 0.0049a 2 ⁇ 0.0355a+52.9, 0.0)
- point K′ (0.0514a 2 ⁇ 2.4353a+61.7, ⁇ 0.0323a 2 +0.4122a+5.9, ⁇ 0.0191a 2 +1.0231a+32.4)
- point B (0.0, 0.0144a 2 ⁇ 1.6377a+58.7, ⁇ 0.0144a 2 +0.6377a+41.3)
- point D′ (0.0, 0.0224a 2 +0.968a+75.4, ⁇ 0.0224a 2 ⁇ 1.968a+24.6)
- point C ( ⁇ 0.2304a 2 ⁇ 0.4062a+32.9, 0.2304a 2 ⁇ 0.5938a+67.1, 0.0), or on the straight lines JK′, K′B, and D′C (excluding point J, point B, point D′, and point C);
- coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines JK′, K′B, BW, and WJ that connect the following 4 points:
- point J (0.0243a 2 ⁇ 1.4161a+49.725, ⁇ 0.0243a 2 +0.4161a+50.275, 0.0)
- point K′ (0.0341a 2 ⁇ 2.1977a+61.187, ⁇ 0.0236a 2 +0.34a+5.636, ⁇ 0.0105a 2 +0.8577a+33.177)
- point B (0.0, 0.0075a 2 ⁇ 1.5156a+58.199, ⁇ 0.0075a 2 +0.5156a+41.801)
- point W (0.0, 100.0 ⁇ a, 0.0), or on the straight lines JK′ and K′B (excluding point J, point B, and point W);
- coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines JK′, K′B, BW, and WJ that connect the following 4 points:
- point J (0.0246a 2 ⁇ 1.4476a+50.184, ⁇ 0.0246a 2 +0.4476a+49.816, 0.0)
- point K′ (0.0196a 2 ⁇ 1.7863a+58.515, ⁇ 0.0079a 2 ⁇ 0.1136a+8.702, ⁇ 0.0117a 2 +0.8999a+32.783)
- point B (0.0, 0.009a 2 ⁇ 1.6045a+59.318, ⁇ 0.009a 2 +0.6045a+40.682)
- point W (0.0, 100.0 ⁇ a, 0.0), or on the straight lines JK′ and K′B (excluding point J, point B, and point W);
- coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines JK′, K′A, AB, BW, and WJ that connect the following 5 points:
- point J (0.0183a 2 ⁇ 1.1399a+46.493, ⁇ 0.0183a 2 +0.1399a+53.507, 0.0)
- point K′ ( ⁇ 0.0051a 2 +0.0929a+25.95, 0.0, 0.0051a 2 ⁇ 1.0929a+74.05)
- point A (0.0103a 2 ⁇ 1.9225a+68.793, 0.0, ⁇ 0.0103a 2 +0.9225a+31.207)
- point B (0.0, 0.0046a 2 ⁇ 1.41a+57.286, ⁇ 0.0046a 2 +0.41a+42.714), and point W (0.0, 100.0 ⁇ a, 0.0), or on the straight lines JK′, K′A, and AB (excluding point J, point B, and point W); and
- coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines JK′, K′A, AB, BW, and WJ that connect the following 5 points:
- point J ( ⁇ 0.0134a 2 +1.0956a+7.13, 0.0134a 2 ⁇ 2.0956a+92.87, 0.0)
- point K′ ( ⁇ 1.892a+29.443, 0.0, 0.892a+70.557)
- point A (0.0085a 2 ⁇ 1.8102a+67.1, 0.0, ⁇ 0.0085a 2 +0.8102a+32.9)
- point B (0.0, 0.0012a 2 ⁇ 1.1659a+52.95, ⁇ 0.0012a 2 +0.1659a+47.05)
- point W (0.0, 100.0 ⁇ a, 0.0), or on the straight lines JK′, K′A, and AB (excluding point J, point B, and point W).
- the capacity of heat exchange can be increased when a refrigerant having a sufficiently low GWP, a refrigeration capacity (may also be referred to as a cooling capacity or a capacity) and a coefficient of performance (COP) equal to those of R410A is used.
- a refrigeration capacity may also be referred to as a cooling capacity or a capacity
- COP coefficient of performance
- a refrigeration cycle according to a 17th aspect is the refrigeration cycle according to any of the 1st through 4th aspects, wherein the refrigerant comprises trans-1,2-difluoroethylene (HFO-1132(E)), difluoromethane(R32), and 2,3,3,3-tetrafluoro-1-propene (R1234yf),
- the refrigerant comprises trans-1,2-difluoroethylene (HFO-1132(E)), difluoromethane(R32), and 2,3,3,3-tetrafluoro-1-propene (R1234yf)
- the line segment IJ is represented by coordinates (0.0236y 2 ⁇ 1.7616y+72.0, y, ⁇ 0.0236y 2 +0.7616y+28.0);
- the line segment NE is represented by coordinates (0.012y 2 ⁇ 1.9003y+58.3, y, ⁇ 0.012y 2 +0.9003y+41.7);
- a refrigeration capacity (may also be referred to as a cooling capacity or a capacity) equal to those of R410A and classified with lower flammability (Class 2L) in the standard of The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) is used.
- a refrigeration cycle according to a 18th aspect is the refrigeration cycle according to any of the 1st through 4th aspects, wherein the refrigerant comprises HFO-1132(E), R32, and R1234yf,
- point M (52.6, 0.0, 47.4), point M′(39.2, 5.0, 55.8), point N (27.7, 18.2, 54.1), point V (11.0, 18.1, 70.9), and point G (39.6, 0.0, 60.4), or on these line segments (excluding the points on the line segment GM);
- the line segment MM′ is represented by coordinates (0.132y 2 ⁇ 3.34y+52.6, y, ⁇ 0.132y 2 +2.34y+47.4);
- the line segment M′N is represented by coordinates (0.0596y 2 ⁇ 2.2541y+48.98, y, ⁇ 0.0596y 2 +1.2541y+51.02);
- the line segment VG is represented by coordinates (0.0123y 2 ⁇ 1.8033y+39.6, y, ⁇ 0.0123y 2 +0.8033y+60.4);
- the line segments NV and GM are straight lines.
- a refrigeration capacity (may also be referred to as a cooling capacity or a capacity) equal to those of R410A and classified with lower flammability (Class 2L) in the standard of The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) is used.
- a refrigeration cycle according to a 19th aspect is the refrigeration cycle according to any of the 1st through 4th aspects, wherein the refrigerant comprises HFO-1132(E), R32, and R1234yf,
- the line segment ON is represented by coordinates (0.0072y 2 ⁇ 0.6701y+37.512, y, ⁇ 0.0072y 2 ⁇ 0.3299y+62.488);
- the line segment NU is represented by coordinates (0.0083y 2 ⁇ 1.7403y+56.635, y, ⁇ 0.0083y 2 +0.7403y+43.365);
- the line segment UO is a straight line.
- a refrigeration capacity (may also be referred to as a cooling capacity or a capacity) equal to those of R410A and classified with lower flammability (Class 2L) in the standard of The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) is used.
- a refrigeration cycle according to a 20th aspect is the refrigeration cycle according to any of the 1st through 4th aspects, wherein the refrigerant comprises HFO-1132(E), R32, and R1234yf,
- point Q (44.6, 23.0, 32.4), point R (25.5, 36.8, 37.7), point T (8.6, 51.6, 39.8), point L (28.9, 51.7, 19.4), and point K (35.6, 36.8, 27.6), or on these line segments;
- the line segment QR is represented by coordinates (0.0099y 2 ⁇ 1.975y+84.765, y, ⁇ 0.0099y 2 +0.975y+15.235);
- the line segment RT is represented by coordinates (0.0082y 2 ⁇ 1.8683y+83.126, y, ⁇ 0.0082y 2 +0.8683y+16.874);
- the line segment LK is represented by coordinates (0.0049y 2 ⁇ 0.8842y+61.488, y, ⁇ 0.0049y 2 ⁇ 0.1158y+38.512);
- the line segment KQ is represented by coordinates (0.0095y 2 ⁇ 1.2222y+67.676, y, ⁇ 0.0095y 2 +0.2222y+32.324);
- the line segment TL is a straight line.
- a refrigeration capacity (may also be referred to as a cooling capacity or a capacity) equal to those of R410A and classified with lower flammability (Class 2L) in the standard of The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) is used.
- a refrigeration cycle according to a 21st aspect is the refrigeration cycle according to any of the 1st through 4th aspects, wherein the refrigerant comprises HFO-1132(E), R32, and R1234yf,
- point P (20.5, 51.7, 27.8), point S (21.9, 39.7, 38.4), and point T (8.6, 51.6, 39.8), or on these line segments;
- the line segment PS is represented by coordinates (0.0064y 2 ⁇ 0.7103y+40.1, y, ⁇ 0.0064y 2 ⁇ 0.2897y+59.9);
- the line segment ST is represented by coordinates (0.0082y 2 ⁇ 1.8683y+83.126, y, ⁇ 0.0082y 2 +0.8683y+16.874);
- the line segment TP is a straight line.
- a refrigeration capacity (may also be referred to as a cooling capacity or a capacity) equal to those of R410A and classified with lower flammability (Class 2L) in the standard of The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) is used.
- a refrigeration cycle according to a 22nd aspect is the refrigeration cycle according to any of the 1st through 4th aspects, wherein the refrigerant comprises trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), and difluoromethane (R32),
- point I (72.0, 28.0, 0.0), point K (48.4, 33.2, 18.4), point B′ (0.0, 81.6, 18.4), point H (0.0, 84.2, 15.8), point R (23.1, 67.4, 9.5), and point G (38.5, 61.5, 0.0), or on these line segments (excluding the points on the line segments B′H and GI);
- the line segment IK is represented by coordinates (0.025z 2 ⁇ 1.7429z+72.00, ⁇ 0.025z 2 +0.7429z+28.0, z),
- the line segment HR is represented by coordinates ( ⁇ 0.3123z 2 +4.234z+11.06, 0.3123z 2 ⁇ 5.234z+88.94, z),
- the line segment RG is represented by coordinates ( ⁇ 0.0491z 2 ⁇ 1.1544z+38.5, 0.0491z 2 +0.1544z+61.5, z), and
- the line segments KB′ and GI are straight lines.
- the capacity of heat exchange can be increased when a refrigerant having a sufficiently low GWP, and a coefficient of performance (COP) equal to that of R410A is used.
- COP coefficient of performance
- a refrigeration cycle according to a 23rd aspect is the refrigeration cycle according to any of the 1st through 4th aspects, wherein the refrigerant comprises HFO-1132(E), HFO-1123, and R32,
- point I (72.0, 28.0, 0.0), point J (57.7, 32.8, 9.5), point R (23.1, 67.4, 9.5), and point G (38.5, 61.5, 0.0), or on these line segments (excluding the points on the line segment GI);
- the line segment IJ is represented by coordinates (0.025z 2 ⁇ 1.7429z+72.0, ⁇ 0.025z 2 +0.7429z+28.0, z),
- the line segment RG is represented by coordinates ( ⁇ 0.0491z 2 ⁇ 1.1544z+38.5, 0.0491z 2 +0.1544z+61.5, z), and
- the line segments JR and GI are straight lines.
- the capacity of heat exchange can be increased when a refrigerant having a sufficiently low GWP, and a coefficient of performance (COP) equal to that of R410A is used.
- COP coefficient of performance
- a refrigeration cycle according to a 24th aspect is the refrigeration cycle according to any of the 1st through 4th aspects, wherein the refrigerant comprises HFO-1132(E), HFO-1123, and R32,
- point M (47.1, 52.9, 0.0), point P (31.8, 49.8, 18.4), point B′ (0.0, 81.6, 18.4), point H (0.0, 84.2, 15.8), point R (23.1, 67.4, 9.5), and point G (38.5, 61.5, 0.0), or on these line segments (excluding the points on the line segments B′H and GM);
- the line segment MP is represented by coordinates (0.0083z 2 ⁇ 0.984z+47.1, ⁇ 0.0083z 2 ⁇ 0.016z+52.9, z),
- the line segment HR is represented by coordinates ( ⁇ 0.3123z 2 +4.234z+11.06, 0.3123z 2 ⁇ 5.234z+88.94, z),
- the line segment RG is represented by coordinates ( ⁇ 0.0491z 2 ⁇ 1.1544z+38.5, 0.0491z 2 +0.1544z+61.5, z), and
- the line segments PB′ and GM are straight lines.
- the capacity of heat exchange can be increased when a refrigerant having a sufficiently low GWP, and a coefficient of performance (COP) equal to that of R410A is used.
- COP coefficient of performance
- a refrigeration cycle according to a 25th aspect is the refrigeration cycle according to any of the 1st through 4th aspects, wherein the refrigerant comprises HFO-1132(E), HFO-1123, and R32,
- point M (47.1, 52.9, 0.0), point N (38.5, 52.1, 9.5), point R (23.1, 67.4, 9.5), and point G (38.5, 61.5, 0.0), or on these line segments (excluding the points on the line segment GM);
- the line segment MN is represented by coordinates (0.0083z 2 ⁇ 0.984z+47.1, ⁇ 0.0083z 2 ⁇ 0.016z+52.9, z),
- the line segment RG is represented by coordinates ( ⁇ 0.0491z 2 ⁇ 1.1544z+38.5, 0.0491z 2 +0.1544z+61.5, z), and
- the line segments JR and GI are straight lines.
- the capacity of heat exchange can be increased when a refrigerant having a sufficiently low GWP, and a coefficient of performance (COP) equal to that of R410A is used.
- COP coefficient of performance
- a refrigeration cycle according to a 26th aspect is the refrigeration cycle according to any of the 1st through 4th aspects, wherein the refrigerant comprises HFO-1132(E), HFO-1123, and R32,
- point P (31.8, 49.8, 18.4), point S (25.4, 56.2, 18.4), and point T (34.8, 51.0, 14.2), or on these line segments;
- the line segment ST is represented by coordinates ( ⁇ 0.0982z 2 +0.9622z+40.931, 0.0982z 2 ⁇ 1.9622z+59.069, z),
- the line segment TP is represented by coordinates (0.0083z 2 ⁇ 0.984z+47.1, ⁇ 0.0083z 2 ⁇ 0.016z+52.9, z), and
- the line segment PS is a straight line.
- the capacity of heat exchange can be increased when a refrigerant having a sufficiently low GWP, and a coefficient of performance (COP) equal to that of R410A is used.
- COP coefficient of performance
- a refrigeration cycle according to a 27th aspect is the refrigeration cycle according to any of the 1st through 4th aspects, wherein the refrigerant comprises HFO-1132(E), HFO-1123, and R32,
- point Q (28.6, 34.4, 37.0), point B′′ (0.0, 63.0, 37.0), point D (0.0, 67.0, 33.0), and point U (28.7, 41.2, 30.1), or on these line segments (excluding the points on the line segment B′′D);
- the line segment DU is represented by coordinates ( ⁇ 3.4962z 2 +210.71z ⁇ 3146.1, 3.4962z 2 ⁇ 211.71z+3246.1, z),
- the line segment UQ is represented by coordinates (0.0135z 2 ⁇ 0.9181z+44.133, ⁇ 0.0135z 2 ⁇ 0.0819z+55.867, z), and
- the capacity of heat exchange can be increased when a refrigerant having a sufficiently low GWP, and a coefficient of performance (COP) equal to that of R410A is used.
- COP coefficient of performance
- FIG. 1 is a schematic view of an instrument used for a flammability test.
- FIG. 2 is a diagram showing points A to T and line segments that connect these points in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass %.
- FIG. 3 is a diagram showing points A to C, D′, G, I, J, and K′, and line segments that connect these points to each other in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is (100 ⁇ a) mass %.
- FIG. 4 is a diagram showing points A to C, D′, G, I, J, and K′, and line segments that connect these points to each other in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 92.9 mass % (the content of R32 is 7.1 mass %).
- FIG. 5 is a diagram showing points A to C, D′, G, I, J, K′, and W, and line segments that connect these points to each other in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 88.9 mass % (the content of R32 is 11.1 mass %).
- FIG. 6 is a diagram showing points A, B, G, I, J, K′, and W, and line segments that connect these points to each other in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 85.5 mass % (the content of R32 is 14.5 mass %).
- FIG. 7 is a diagram showing points A, B, G, I, J, K′, and W, and line segments that connect these points to each other in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 81.8 mass % (the content of R32 is 18.2 mass %).
- FIG. 8 is a diagram showing points A, B, G, I, J, K′, and W, and line segments that connect these points to each other in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 78.1 mass % (the content of R32 is 21.9 mass %).
- FIG. 9 is a diagram showing points A, B, G, I, J, K′, and W, and line segments that connect these points to each other in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 73.3 mass % (the content of R32 is 26.7 mass %).
- FIG. 10 is a diagram showing points A, B, G, I, J, K′, and W, and line segments that connect these points to each other in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 70.7 mass % (the content of R32 is 29.3 mass %).
- FIG. 11 is a diagram showing points A, B, G, I, J, K′, and W, and line segments that connect these points to each other in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 63.3 mass % (the content of R32 is 36.7 mass %).
- FIG. 12 is a diagram showing points A, B, G, I, J, K′, and W, and line segments that connect these points to each other in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 55.9 mass % (the content of R32 is 44.1 mass %).
- FIG. 13 is a diagram showing points A, B, G, I, J, K′, and W, and line segments that connect these points to each other in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 52.2 mass % (the content of R32 is 47.8 mass %).
- FIG. 14 is a view showing points A to C, E, G, and I to W; and line segments that connect points A to C, E, G, and I to W in a ternary composition diagram in which the sum of HFO-1132(E), R32, and R1234yf is 100 mass %.
- FIG. 15 is a view showing points A to U; and line segments that connect the points in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R32 is 100 mass %.
- FIG. 16 is a refrigerant circuit diagram illustrating a refrigeration cycle according to a first embodiment.
- FIG. 17 is a vertical sectional view of a use unit.
- FIG. 18 is a Mollier diagram indicating an operating state of the refrigeration cycle according to the first embodiment.
- FIG. 19 is a refrigerant circuit diagram illustrating a refrigeration cycle according to a second embodiment.
- refrigerant includes at least compounds that are specified in ISO 817 (International Organization for Standardization), and that are given a refrigerant number (ASHRAE number) representing the type of refrigerant with “R” at the beginning; and further includes refrigerants that have properties equivalent to those of such refrigerants, even though a refrigerant number is not yet given.
- Refrigerants are broadly divided into fluorocarbon compounds and non-fluorocarbon compounds in terms of the structure of the compounds.
- Fluorocarbon compounds include chlorofluorocarbons (CFC), hydrochlorofluorocarbons (HCFC), and hydrofluorocarbons (HFC).
- Non-fluorocarbon compounds include propane (R290), propylene (R1270), butane (R600), isobutane (R600a), carbon dioxide (R744), ammonia (R717), and the like.
- composition comprising a refrigerant at least includes (1) a refrigerant itself (including a mixture of refrigerants), (2) a composition that further comprises other components and that can be mixed with at least a refrigeration oil to obtain a working fluid for a refrigerating machine, and (3) a working fluid for a refrigerating machine containing a refrigeration oil.
- the composition (2) is referred to as a “refrigerant composition” so as to distinguish it from a refrigerant itself (including a mixture of refrigerants).
- the working fluid for a refrigerating machine (3) is referred to as a “refrigeration oil-containing working fluid” so as to distinguish it from the “refrigerant composition.”
- the first type of “alternative” means that equipment designed for operation using the first refrigerant can be operated using the second refrigerant under optimum conditions, optionally with changes of only a few parts (at least one of the following: refrigeration oil, gasket, packing, expansion valve, dryer, and other parts) and equipment adjustment.
- this type of alternative means that the same equipment is operated with an alternative refrigerant.
- Embodiments of this type of “alternative” include “drop-in alternative,” “nearly drop-in alternative,” and “retrofit,” in the order in which the extent of changes and adjustment necessary for replacing the first refrigerant with the second refrigerant is smaller.
- alterative also includes a second type of “alternative,” which means that equipment designed for operation using the second refrigerant is operated for the same use as the existing use with the first refrigerant by using the second refrigerant. This type of alternative means that the same use is achieved with an alternative refrigerant.
- refrigerating machine refers to machines in general that draw heat from an object or space to make its temperature lower than the temperature of ambient air, and maintain a low temperature.
- refrigerating machines refer to conversion machines that gain energy from the outside to do work, and that perform energy conversion, in order to transfer heat from where the temperature is lower to where the temperature is higher.
- a refrigerant having a “WCF lower flammability” means that the most flammable composition (worst case of formulation for flammability: WCF) has a burning velocity of 10 cm/s or less according to the US ANSI/ASHRAE Standard 34-2013.
- a refrigerant having “ASHRAE lower flammability” means that the burning velocity of WCF is 10 cm/s or less, that the most flammable fraction composition (worst case of fractionation for flammability: WCFF), which is specified by performing a leakage test during storage, shipping, or use based on ANSI/ASHRAE 34-2013 using WCF, has a burning velocity of 10 cm/s or less, and that flammability classification according to the US ANSI/ASHRAE Standard 34-2013 is determined to classified as be “Class 2L.”
- a refrigerant having an “RCL of x % or more” means that the refrigerant has a refrigerant concentration limit (RCL), calculated in accordance with the US ANSI/ASHRAE Standard 34-2013, of x % or more.
- RCL refers to a concentration limit in the air in consideration of safety factors.
- RCL is an index for reducing the risk of acute toxicity, suffocation, and flammability in a closed space where humans are present.
- RCL is determined in accordance with the ASHRAE Standard.
- RCL is the lowest concentration among the acute toxicity exposure limit (ATEL), the oxygen deprivation limit (ODL), and the flammable concentration limit (FCL), which are respectively calculated in accordance with sections 7.1.1, 7.1.2, and 7.1.3 of the ASHRAE Standard.
- ATEL acute toxicity exposure limit
- ODL oxygen deprivation limit
- FCL flammable concentration limit
- temperature glide refers to an absolute value of the difference between the initial temperature and the end temperature in the phase change process of a composition containing the refrigerant of the present disclosure in the heat exchanger of a refrigerant system.
- refrigerant A any one of various refrigerants such as refrigerant A, refrigerant B, refrigerant C, refrigerant D, and refrigerant E, details of these refrigerant are to be mentioned later, can be used as the refrigerant.
- the refrigerant according to the present disclosure can be preferably used as a working fluid in a refrigerating machine.
- composition according to the present disclosure is suitable for use as an alternative refrigerant for HFC refrigerant such as R410A, R407C and R404 etc, or HCFC refrigerant such as R22 etc.
- the refrigerant composition according to the present disclosure comprises at least the refrigerant according to the present disclosure, and can be used for the same use as the refrigerant according to the present disclosure. Moreover, the refrigerant composition according to the present disclosure can be further mixed with at least a refrigeration oil to thereby obtain a working fluid for a refrigerating machine.
- the refrigerant composition according to the present disclosure further comprises at least one other component in addition to the refrigerant according to the present disclosure.
- the refrigerant composition according to the present disclosure may comprise at least one of the following other components, if necessary.
- the refrigerant composition according to the present disclosure when used as a working fluid in a refrigerating machine, it is generally used as a mixture with at least a refrigeration oil. Therefore, it is preferable that the refrigerant composition according to the present disclosure does not substantially comprise a refrigeration oil.
- the content of the refrigeration oil based on the entire refrigerant composition is preferably 0 to 1 mass %, and more preferably 0 to 0.1 mass %.
- the refrigerant composition according to the present disclosure may contain a small amount of water.
- the water content of the refrigerant composition is preferably 0.1 mass % or less based on the entire refrigerant.
- a small amount of water contained in the refrigerant composition stabilizes double bonds in the molecules of unsaturated fluorocarbon compounds that can be present in the refrigerant, and makes it less likely that the unsaturated fluorocarbon compounds will be oxidized, thus increasing the stability of the refrigerant composition.
- a tracer is added to the refrigerant composition according to the present disclosure at a detectable concentration such that when the refrigerant composition has been diluted, contaminated, or undergone other changes, the tracer can trace the changes.
- the refrigerant composition according to the present disclosure may comprise a single tracer, or two or more tracers.
- the tracer is not limited, and can be suitably selected from commonly used tracers.
- a compound that cannot be an impurity inevitably mixed in the refrigerant of the present disclosure is selected as the tracer.
- tracers examples include hydrofluorocarbons, hydrochlorofluorocarbons, chlorofluorocarbons, hydrochlorocarbons, fluorocarbons, deuterated hydrocarbons, deuterated hydrofluorocarbons, perfluorocarbons, fluoroethers, brominated compounds, iodinated compounds, alcohols, aldehydes, ketones, and nitrous oxide (N 2 O).
- the tracer is particularly preferably a hydrofluorocarbon, a hydrochlorofluorocarbon, a chlorofluorocarbon, a fluorocarbon, a hydrochlorocarbon, a fluorocarbon, or a fluoroether.
- FC-14 (tetrafluoromethane, CF 4 ) HCC-40 (chloromethane, CH 3 Cl) HFC-23 (trifluoromethane, CHF 3 ) HFC-41 (fluoromethane, CH 3 Cl) HFC-125 (pentafluoroethane, CF 3 CHF 2 ) HFC-134a (1,1,1,2-tetrafluoroethane, CF 3 CH 2 F) HFC-134 (1,1,2,2-tetrafluoroethane, CHF 2 CHF 2 ) HFC-143a (1,1,1-trifluoroethane, CF 3 CH 3 ) HFC-143 (1,1,2-trifluoroethane, CHF 2 CH 2 F) HFC-152a (1,1-difluoroethane, CHF 2 CH 3 ) HFC-152 (1,2-difluoroethane, CH 2 FCH 2 F) HFC-161 (fluoroethane, CH 3 CH 2 F)
- the tracer compound may be present in the refrigerant composition at a total concentration of about 10 parts per million (ppm) to about 1000 ppm.
- the tracer compound is present in the refrigerant composition at a total concentration of about 30 ppm to about 500 ppm, and most preferably, the tracer compound is present at a total concentration of about 50 ppm to about 300 ppm.
- the refrigerant composition according to the present disclosure may comprise a single ultraviolet fluorescent dye, or two or more ultraviolet fluorescent dyes.
- the ultraviolet fluorescent dye is not limited, and can be suitably selected from commonly used ultraviolet fluorescent dyes.
- ultraviolet fluorescent dyes examples include naphthalimide, coumarin, anthracene, phenanthrene, xanthene, thioxanthene, naphthoxanthene, fluorescein, and derivatives thereof.
- the ultraviolet fluorescent dye is particularly preferably either naphthalimide or coumarin, or both.
- the refrigerant composition according to the present disclosure may comprise a single stabilizer, or two or more stabilizers.
- the stabilizer is not limited, and can be suitably selected from commonly used stabilizers.
- stabilizers examples include nitro compounds, ethers, and amines.
- nitro compounds include aliphatic nitro compounds, such as nitromethane and nitroethane; and aromatic nitro compounds, such as nitro benzene and nitro styrene.
- ethers examples include 1,4-dioxane.
- amines examples include 2,2,3,3,3-pentafluoropropylamine and diphenylamine.
- stabilizers also include butylhydroxyxylene and benzotriazole.
- the content of the stabilizer is not limited. Generally, the content of the stabilizer is preferably 0.01 to 5 mass %, and more preferably 0.05 to 2 mass %, based on the entire refrigerant.
- the refrigerant composition according to the present disclosure may comprise a single polymerization inhibitor, or two or more polymerization inhibitors.
- the polymerization inhibitor is not limited, and can be suitably selected from commonly used polymerization inhibitors.
- polymerization inhibitors examples include 4-methoxy-1-naphthol, hydroquinone, hydroquinone methyl ether, dimethyl-t-butylphenol, 2,6-di-tert-butyl-p-cresol, and benzotriazole.
- the content of the polymerization inhibitor is not limited. Generally, the content of the polymerization inhibitor is preferably 0.01 to 5 mass %, and more preferably 0.05 to 2 mass %, based on the entire refrigerant.
- the refrigeration oil-containing working fluid according to the present disclosure comprises at least the refrigerant or refrigerant composition according to the present disclosure and a refrigeration oil, for use as a working fluid in a refrigerating machine.
- the refrigeration oil-containing working fluid according to the present disclosure is obtained by mixing a refrigeration oil used in a compressor of a refrigerating machine with the refrigerant or the refrigerant composition.
- the refrigeration oil-containing working fluid generally comprises 10 to 50 mass % of refrigeration oil.
- the refrigeration oil is not limited, and can be suitably selected from commonly used refrigeration oils.
- refrigeration oils that are superior in the action of increasing the miscibility with the mixture and the stability of the mixture, for example, are suitably selected as necessary.
- the base oil of the refrigeration oil is preferably, for example, at least one member selected from the group consisting of polyalkylene glycols (PAG), polyol esters (POE), and polyvinyl ethers (PVE).
- PAG polyalkylene glycols
- POE polyol esters
- PVE polyvinyl ethers
- the refrigeration oil may further contain additives in addition to the base oil.
- the additive may be at least one member selected from the group consisting of antioxidants, extreme-pressure agents, acid scavengers, oxygen scavengers, copper deactivators, rust inhibitors, oil agents, and antifoaming agents.
- a refrigeration oil with a kinematic viscosity of 5 to 400 cSt at 40° C. is preferable from the standpoint of lubrication.
- the refrigeration oil-containing working fluid according to the present disclosure may further optionally contain at least one additive.
- additives include compatibilizing agents described below.
- the refrigeration oil-containing working fluid according to the present disclosure may comprise a single compatibilizing agent, or two or more compatibilizing agents.
- the compatibilizing agent is not limited, and can be suitably selected from commonly used compatibilizing agents.
- compatibilizing agents include polyoxyalkylene glycol ethers, amides, nitriles, ketones, chlorocarbons, esters, lactones, aryl ethers, fluoroethers, and 1,1,1-trifluoroalkanes.
- the compatibilizing agent is particularly preferably a polyoxyalkylene glycol ether.
- each description of the following refrigerant A, refrigerant B, refrigerant C, refrigerant D, and refrigerant E is each independent.
- the alphabet which shows a point or a line segment, the number of an Examples, and the number of a comparative examples are all independent of each other among the refrigerant A, the refrigerant B, the refrigerant C, the refrigerant D, and the refrigerant E.
- the first embodiment of the refrigerant A and the first embodiment of the refrigerant B are different embodiment from each other.
- the refrigerant A according to the present disclosure is a mixed refrigerant comprising trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), and 2,3,3,3-tetrafluoro-1-propene (R1234yf).
- the refrigerant A according to the present disclosure has various properties that are desirable as an R410A-alternative refrigerant, i.e., a refrigerating capacity and a coefficient of performance that are equivalent to those of R410A, and a sufficiently low GWP.
- the refrigerant A according to the present disclosure is a composition comprising HFO-1132(E) and R1234yf, and optionally further comprising HFO-1123, and may further satisfy the following requirements.
- This refrigerant also has various properties desirable as an alternative refrigerant for R410A; i.e., it has a refrigerating capacity and a coefficient of performance that are equivalent to those of R410A, and a sufficiently low GWP.
- Preferable refrigerant A is as follows:
- point A (68.6, 0.0, 31.4), point A′ (30.6, 30.0, 39.4), point B (0.0, 58.7, 41.3), point D (0.0, 80.4, 19.6), point C′ (19.5, 70.5, 10.0), point C (32.9, 67.1, 0.0), and point O (100.0, 0.0, 0.0), or on the above line segments (excluding the points on the line CO);
- the line segment AA′ is represented by coordinates (x, 0.0016x 2 ⁇ 0.9473x+57.497, ⁇ 0.0016x 2 ⁇ 0.0527x+42.503),
- the line segment A′B is represented by coordinates (x, 0.0029x 2 ⁇ 1.0268x+58.7, ⁇ 0.0029x 2 +0.0268x+41.3,
- the line segment DC′ is represented by coordinates (x, 0.0082x 2 ⁇ 0.6671x+80.4, ⁇ 0.0082x 2 ⁇ 0.3329x+19.6),
- the line segment C′C is represented by coordinates (x, 0.0067x 2 ⁇ 0.6034x+79.729, ⁇ 0.0067x 2 ⁇ 0.3966x+20.271), and the line segments BD, CO, and OA are straight lines.
- the refrigerant according to the present disclosure has a refrigerating capacity ratio of 85% or more relative to that of R410A, and a COP of 92.5% or more relative to that of R410A.
- the refrigerant is preferably a refrigerant wherein coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within a figure surrounded by line segments GI, IA, AA′, A′B, BD, DC′, C′C, and CG that connect the following 8 points:
- point G (72.0, 28.0, 0.0), point I (72.0, 0.0, 28.0), point A (68.6, 0.0, 31.4), point A′ (30.6, 30.0, 39.4), point B (0.0, 58.7, 41.3), point D (0.0, 80.4, 19.6), point C′ (19.5, 70.5, 10.0), and point C (32.9, 67.1, 0.0), or on the above line segments (excluding the points on the line segment CG);
- the line segment AA′ is represented by coordinates (x, 0.0016x 2 ⁇ 0.9473x+57.497, ⁇ 0.0016x 2 ⁇ 0.0527x+42.503),
- the line segment A′B is represented by coordinates (x, 0.0029x 2 ⁇ 1.0268x+58.7, ⁇ 0.0029x 2 +0.0268x+41.3),
- the line segment DC′ is represented by coordinates (x, 0.0082x 2 ⁇ 0.6671x+80.4, ⁇ 0.0082x 2 ⁇ 0.3329x+19.6),
- the line segment C′C is represented by coordinates (x, 0.0067x 2 ⁇ 0.6034x+79.729, ⁇ 0.0067x 2 ⁇ 0.3966x+20.271), and
- the line segments GI, IA, BD, and CG are straight lines.
- the refrigerant A according to the present disclosure has a refrigerating capacity ratio of 85% or more relative to that of R410A, and a COP of 92.5% or more relative to that of R410A; furthermore, the refrigerant A has a WCF lower flammability according to the ASHRAE Standard (the WCF composition has a burning velocity of 10 cm/s or less).
- the refrigerant is preferably a refrigerant wherein coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments JP, PN, NK, KA′, A′B, BD, DC′, C′C, and CJ that connect the following 9 points:
- point J (47.1, 52.9, 0.0), point P (55.8, 42.0, 2.2), point N (68.6, 16.3, 15.1), point K (61.3, 5.4, 33.3), point A′ (30.6, 30.0, 39.4), point B (0.0, 58.7, 41.3), point D (0.0, 80.4, 19.6), point C′ (19.5, 70.5, 10.0), and point C (32.9, 67.1, 0.0), or on the above line segments (excluding the points on the line segment CJ);
- the line segment PN is represented by coordinates (x, ⁇ 0.1135x 2 +12.112x ⁇ 280.43, 0.1135x 2 ⁇ 13.112x+380.43),
- the line segment NK is represented by coordinates (x, 0.2421x 2 ⁇ 29.955x+931.91, ⁇ 0.2421x 2 +28.955x ⁇ 831.91),
- the line segment KA′ is represented by coordinates (x, 0.0016x 2 ⁇ 0.9473x+57.497, ⁇ 0.0016x 2 ⁇ 0.0527x+42.503),
- the line segment A′B is represented by coordinates (x, 0.0029x 2 ⁇ 1.0268x+58.7, ⁇ 0.0029x 2 +0.0268x+41.3),
- the line segment DC′ is represented by coordinates (x, 0.0082x 2 ⁇ 0.6671x+80.4, ⁇ 0.0082x 2 ⁇ 0.3329x+19.6),
- the line segment C′C is represented by coordinates (x, 0.0067x 2 ⁇ 0.6034x+79.729, ⁇ 0.0067x 2 ⁇ 0.3966x+20.271), and
- the line segments JP, BD, and CG are straight lines.
- the refrigerant A according to the present disclosure has a refrigerating capacity ratio of 85% or more relative to that of R410A, and a COP of 92.5% or more relative to that of R410A; furthermore, the refrigerant exhibits a lower flammability (Class 2L) according to the ASHRAE Standard (the WCF composition and the WCFF composition have a burning velocity of 10 cm/s or less).
- the refrigerant is preferably a refrigerant wherein coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments JP, PL, LM, MA′, A′B, BD, DC′, C′C, and CJ that connect the following 9 points:
- point J (47.1, 52.9, 0.0), point P (55.8, 42.0, 2.2), point L (63.1, 31.9, 5.0), point M (60.3, 6.2, 33.5), point A′ (30.6, 30.0, 39.4), point B (0.0, 58.7, 41.3), point D (0.0, 80.4, 19.6), point C′ (19.5, 70.5, 10.0), and point (32.9, 67.1, 0.0), or on the above line segments (excluding the points on the line segment CJ);
- the line segment PL is represented by coordinates (x, ⁇ 0.1135x 2 +12.112x ⁇ 280.43, 0.1135x 2 ⁇ 13.112x+380.43),
- the line segment MA′ is represented by coordinates (x, 0.0016x 2 ⁇ 0.9473x+57.497, ⁇ 0.0016x 2 ⁇ 0.0527x+42.503),
- the line segment A′B is represented by coordinates (x, 0.0029x 2 ⁇ 1.0268x+58.7, ⁇ 0.0029x 2 +0.0268x+41.3),
- the line segment DC′ is represented by coordinates (x, 0.0082x 2 ⁇ 0.6671x+80.4, ⁇ 0.0082x 2 ⁇ 0.3329x+19.6),
- the line segment C′C is represented by coordinates (x, 0.0067x 2 ⁇ 0.6034x+79.729, ⁇ 0.0067x 2 ⁇ 0.3966x+20.271), and
- the line segments JP, LM, BD, and CG are straight lines.
- the refrigerant according to the present disclosure has a refrigerating capacity ratio of 85% or more relative to that of R410A, and a COP of 92.5% or more relative to that of R410A; furthermore, the refrigerant has an RCL of 40 g/m 3 or more.
- the refrigerant is preferably a refrigerant wherein coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments PL, LM, MA′, A′B, BF, FT, and TP that connect the following 7 points:
- point P (55.8, 42.0, 2.2), point L (63.1, 31.9, 5.0), point M (60.3, 6.2, 33.5), point A′ (30.6, 30.0, 39.4), point B (0.0, 58.7, 41.3), point F (0.0, 61.8, 38.2), and point T (35.8, 44.9, 19.3), or on the above line segments (excluding the points on the line segment BF);
- the line segment PL is represented by coordinates (x, ⁇ 0.1135x 2 +12.112x ⁇ 280.43, 0.1135x 2 ⁇ 13.112x+380.43),
- the line segment MA′ is represented by coordinates (x, 0.0016x 2 ⁇ 0.9473x+57.497, ⁇ 0.0016x 2 ⁇ 0.0527x+42.503),
- the line segment A′B is represented by coordinates (x, 0.0029x 2 ⁇ 1.0268x+58.7, ⁇ 0.0029x 2 +0.0268x+41.3),
- the line segment FT is represented by coordinates (x, 0.0078x 2 ⁇ 0.7501x+61.8, ⁇ 0.0078x 2 ⁇ 0.2499x+38.2),
- the line segment TP is represented by coordinates (x, 0.00672x 2 ⁇ 0.7607x+63.525, ⁇ 0.00672x 2 ⁇ 0.2393x+36.475), and
- the line segments LM and BF are straight lines.
- the refrigerant according to the present disclosure has a refrigerating capacity ratio of 85% or more relative to that of R410A, and a COP of 95% or more relative to that of R410A; furthermore, the refrigerant has an RCL of 40 g/m 3 or more.
- the refrigerant A according to the present disclosure is preferably a refrigerant wherein when the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments PL, LQ, QR, and RP that connect the following 4 points:
- point P (55.8, 42.0, 2.2), point L (63.1, 31.9, 5.0), point Q (62.8, 29.6, 7.6), and point R (49.8, 42.3, 7.9), or on the above line segments;
- the line segment PL is represented by coordinates (x, ⁇ 0.1135x 2 +12.112x ⁇ 280.43, 0.1135x 2 ⁇ 13.112x+380.43),
- the line segment RP is represented by coordinates (x, 0.00672x 2 ⁇ 0.7607x+63.525, ⁇ 0.00672x 2 ⁇ 0.2393x+36.475), and
- the line segments LQ and QR are straight lines.
- the refrigerant according to the present disclosure has a COP of 95% or more relative to that of R410A, and an RCL of 40 g/m 3 or more, furthermore, the refrigerant has a condensation temperature glide of 1° C. or less.
- the refrigerant A according to the present disclosure is preferably a refrigerant wherein when the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments SM, MA′, A′B, BF, FT, and TS that connect the following 6 points:
- the line segment MA′ is represented by coordinates (x, 0.0016x 2 ⁇ 0.9473x+57.497, ⁇ 0.0016x 2 ⁇ 0.0527x+42.503),
- the line segment A′B is represented by coordinates (x, 0.0029x 2 ⁇ 1.0268x+58.7, ⁇ 0.0029x 2 +0.0268x+41.3),
- the line segment FT is represented by coordinates (x, 0.0078x 2 ⁇ 0.7501x+61.8, ⁇ 0.0078x 2 ⁇ 0.2499x+38.2),
- the line segment TS is represented by coordinates (x, ⁇ 0.0017x 2 ⁇ 0.7869x+70.888, ⁇ 0.0017x 2 ⁇ 0.2131x+29.112), and
- the line segments SM and BF are straight lines.
- the refrigerant according to the present disclosure has a refrigerating capacity ratio of 85% or more relative to that of R410A, a COP of 95% or more relative to that of R410A, and an RCL of 40 g/m 3 or more furthermore, the refrigerant has a discharge pressure of 105% or more relative to that of R410A.
- the refrigerant A according to the present disclosure is preferably a refrigerant wherein when the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments Od, dg, gh, and hO that connect the following 4 points:
- point d (87.6, 0.0, 12.4), point g (18.2, 55.1, 26.7), point h (56.7, 43.3, 0.0), and point o (100.0, 0.0, 0.0), or on the line segments Od, dg, gh, and hO (excluding the points O and h);
- the line segment dg is represented by coordinates (0.0047y 2 ⁇ 1.5177y+87.598, y, ⁇ 0.0047y 2 +0.5177y+12.402),
- the line segment gh is represented by coordinates ( ⁇ 0.0134z 2 ⁇ 1.0825z+56.692, 0.0134z 2 +0.0825z+43.308, z), and
- the refrigerant according to the present disclosure has a refrigerating capacity ratio of 92.5% or more relative to that of R410A, and a COP ratio of 92.5% or more relative to that of R410A.
- the refrigerant A according to the present disclosure is preferably a refrigerant wherein
- point 1 (72.5, 10.2, 17.3), point g (18.2, 55.1, 26.7), point h (56.7, 43.3, 0.0), and point i (72.5, 27.5, 0.0) or on the line segments lg, gh, and il (excluding the points h and i);
- the line segment lg is represented by coordinates (0.0047y 2 ⁇ 1.5177y+87.598, y, ⁇ 0.0047y 2 +0.5177y+12.402),
- the line gh is represented by coordinates ( ⁇ 0.0134z 2 ⁇ 1.0825z+56.692, 0.0134z 2 +0.0825z+43.308, z), and
- the line segments hi and il are straight lines.
- the refrigerant according to the present disclosure has a refrigerating capacity ratio of 92.5% or more relative to that of R410A, and a COP ratio of 92.5% or more relative to that of R410A; furthermore, the refrigerant has a lower flammability (Class 2L) according to the ASHRAE Standard.
- the refrigerant A according to the present disclosure is preferably a refrigerant wherein
- point d (87.6, 0.0, 12.4), point e (31.1, 42.9, 26.0), point f (65.5, 34.5, 0.0), and point O (100.0, 0.0, 0.0), or on the line segments Od, de, and ef (excluding the points 0 and f);
- the line segment de is represented by coordinates (0.0047y 2 ⁇ 1.5177y+87.598, y, ⁇ 0.0047y 2 +0.5177y+12.402),
- the line segment ef is represented by coordinates ( ⁇ 0.0064z 2 ⁇ 1.1565z+65.501, 0.0064z 2 +0.1565z+34.499, z), and
- the refrigerant according to the present disclosure has a refrigerating capacity ratio of 93.5% or more relative to that of R410A, and a COP ratio of 93.5% or more relative to that of R410A.
- the refrigerant A according to the present disclosure is preferably a refrigerant wherein
- point l (72.5, 10.2, 17.3), point e (31.1, 42.9, 26.0), point f (65.5, 34.5, 0.0), and point i (72.5, 27.5, 0.0), or on the line segments le, ef, and il (excluding the points f and i);
- the line segment le is represented by coordinates (0.0047y 2 ⁇ 1.5177y+87.598, y, ⁇ 0.0047y 2 +0.5177y+12.402),
- the line segment ef is represented by coordinates ( ⁇ 0.0134z 2 ⁇ 1.0825z+56.692, 0.0134z 2 +0.0825z+43.308, z), and
- the line segments fi and il are straight lines.
- the refrigerant according to the present disclosure has a refrigerating capacity ratio of 93.5% or more relative to that of R410A, and a COP ratio of 93.5% or more relative to that of R410A; furthermore, the refrigerant has a lower flammability (Class 2L) according to the ASHRAE Standard.
- the refrigerant A according to the present disclosure is preferably a refrigerant wherein
- point a (93.4, 0.0, 6.6), point b (55.6, 26.6, 17.8), point c (77.6, 22.4, 0.0), and point O (100.0, 0.0, 0.0), or on the line segments Oa, ab, and bc (excluding the points 0 and c);
- the line segment ab is represented by coordinates (0.0052y 2 ⁇ 1.5588y+93.385, y, ⁇ 0.0052y 2 +0.5588y+6.615),
- the line segment bc is represented by coordinates ( ⁇ 0.0032z 2 ⁇ 1.1791z+77.593, 0.0032z 2 +0.1791z+22.407, z), and
- the refrigerant according to the present disclosure has a refrigerating capacity ratio of 95% or more relative to that of R410A, and a COP ratio of 95% or more relative to that of R410A.
- the refrigerant A according to the present disclosure is preferably a refrigerant wherein
- point k (72.5, 14.1, 13.4), point b (55.6, 26.6, 17.8), and point j (72.5, 23.2, 4.3), or on the line segments kb, bj, and jk;
- the line segment kb is represented by coordinates (0.0052y 2 ⁇ 1.5588y+93.385, y, and ⁇ 0.0052y 2 +0.5588y+6.615),
- the line segment bj is represented by coordinates ( ⁇ 0.0032z 2 ⁇ 1.1791z+77.593, 0.0032z 2 +0.1791z+22.407, z), and
- the line segment jk is a straight line.
- the refrigerant according to the present disclosure has a refrigerating capacity ratio of 95% or more relative to that of R410A, and a COP ratio of 95% or more relative to that of R410A; furthermore, the refrigerant has a lower flammability (Class 2L) according to the ASHRAE Standard.
- the refrigerant according to the present disclosure may further comprise other additional refrigerants in addition to HFO-1132(E), HFO-1123, and R1234yf, as long as the above properties and effects are not impaired.
- the refrigerant according to the present disclosure preferably comprises HFO-1132(E), HFO-1123, and R1234yf in a total amount of 99.5 mass % or more, more preferably 99.75 mass % or more, and still more preferably 99.9 mass % or more, based on the entire refrigerant.
- the refrigerant according to the present disclosure may comprise HFO-1132(E), HFO-1123, and R1234yf in a total amount of 99.5 mass % or more, 99.75 mass % or more, or 99.9 mass % or more, based on the entire refrigerant.
- Additional refrigerants are not particularly limited and can be widely selected.
- the mixed refrigerant may contain one additional refrigerant, or two or more additional refrigerants.
- refrigerant A is not limited to the Examples.
- the GWP of R1234yf and a composition consisting of a mixed refrigerant R410A was evaluated based on the values stated in the Intergovernmental Panel on Climate Change (IPCC), fourth report.
- the refrigerating capacity of R410A and compositions each comprising a mixture of HFO-1132(E), HFO-1123, and R1234yf was determined by performing theoretical refrigeration cycle calculations for the mixed refrigerants using the National Institute of Science and Technology (NIST) and Reference Fluid Thermodynamic and Transport Properties Database (Refprop 9.0) under the following conditions.
- the RCL of the mixture was calculated with the LFL of HFO-1132(E) being 4.7 vol. %, the LFL of HFO-1123 being 10 vol. %, and the LFL of R1234yf being 6.2 vol. %, in accordance with the ASHRAE Standard 34-2013.
- Tables 1 to 34 show these values together with the GWP of each mixed refrigerant.
- Example Example 10 20 21 Item Unit G H I HFO-1132(E) mass % 72.0 72.0 72.0 HFO-1123 mass % 28.0 14.0 0.0 R1234yf mass % 0.0 14.0 28.0 GWP — 1 1 2 COP ratio % (relative to 96.6 98.2 99.9 410A) Refrigerating % (relative to 103.1 95.1 86.6 capacity ratio 410A) Condensation glide ° C. 0.46 1.27 1.71 Discharge pressure % (relative to 108.4 98.7 88.6 410A) RCL g/m 3 37.4 37.0 36.6
- Example 53 Example 54
- Example 56 Example 57
- Example 58 HFO- mass % 10.0 20.0 30.0 40.0 50.0 60.0 1132(E) HFO- mass % 60.0 50.0 40.0 30.0 20.0 10.0 1123 R1234yf mass % 30.0 30.0 30.0 30.0 30.0 30.0 30.0 30.0 GWP — 2 2 2 2 2 2 COP ratio % (relative 94.3 95.0 95.9 96.8 97.8 98.9 to 410 A) Refriger- % (relative 91.9 91.5 90.8 89.9 88.7 87.3 ating to 410 A) capacity ratio Conden- ° C.
- Example 59 Example 60
- Example 61 Example 62
- Example 63 Comp. Ex. 18 HFO- mass % 10.0 20.0 30.0 40.0 50.0 60.0 1132(E) HFO- mass % 55.0 45.0 35.0 25.0 15.0 5.0 1123 R1234yf mass % 35.0 35.0 35.0 35.0 35.0 GWP — 2 2 2 2 2 2 COP ratio % (relative 95.0 95.8 96.6 97.5 98.5 99.6 to 410 A) Refriger- % (relative 88.9 88.5 87.8 86.8 85.6 84.1 ating to 410 A) capacity ratio Conden- ° C.
- Example Example Item Unit 226 227 HFO-1132(E) mass % 34.0 36.0 HFO-1123 mass % 28.0 26.0 R1234yf mass% 38.0 38.0 GWP — 2 2 COP ratio % (relative to 97.4 97.6 410A) Refrigerating % (relative to 85.6 85.3 capacity ratio 410A) Condensation glide ° C. 4.18 4.11 Discharge pressure % (relative to 91.0 90.6 410A) RCL g/m 3 50.9 49.8
- the line segment AA′ is represented by coordinates (x, 0.0016x 2 ⁇ 0.9473x+57.497, ⁇ 0.0016x 2 ⁇ 0.0527x+42.503)
- the line segment A′B is represented by coordinates (x, 0.0029x 2 ⁇ 1.0268x+58.7, ⁇ 0.0029x 2 +0.0268x+41.3
- the line segment DC′ is represented by coordinates (x, 0.0082x 2 ⁇ 0.6671x+80.4, ⁇ 0.0082x 2 ⁇ 0.3329x+19.6)
- the line segment C′C is represented by coordinates (x, 0.00
- the point on the line segment AA′ was determined by obtaining an approximate curve connecting point A, Example 1, and point A′ by the least square method.
- the point on the line segment A′B was determined by obtaining an approximate curve connecting point A′, Example 3, and point B by the least square method.
- the point on the line segment DC′ was determined by obtaining an approximate curve connecting point D, Example 6, and point C′ by the least square method.
- the point on the line segment C′C was determined by obtaining an approximate curve connecting point C′, Example 4, and point C by the least square method.
- the line segment AA′ is represented by coordinates (x, 0.0016x 2 ⁇ 0.9473x+57.497, ⁇ 0.0016x 2 ⁇ 0.0527x+42.503)
- the line segment A′B is represented by coordinates (x, 0.0029x 2 ⁇ 1.0268x+58.7, ⁇ 0.0029x 2 +0.0268x+41.3)
- the line segment FT is represented by coordinates (x, 0.0078x 2 ⁇ 0.7501x+61.8, ⁇ 0.0078x 2 ⁇ 0.2499x+38.2)
- the line segment TE is represented by coordinates (x, 0.0067
- the point on the line segment FT was determined by obtaining an approximate curve connecting three points, i.e., points T, E′, and F, by the least square method.
- the point on the line segment TE was determined by obtaining an approximate curve connecting three points, i.e., points E, R, and T, by the least square method.
- the composition preferably contains R1234yf.
- a burning velocity test was performed using the apparatus shown in FIG. 1 in the following manner.
- reference numeral 901 refers to a sample cell
- 902 refers to a high-speed camera
- 903 refers to a xenon lamp
- 904 refers to a collimating lens
- 905 refers to a collimating lens
- 906 refers to a ring filter.
- the mixed refrigerants used had a purity of 99.5% or more, and were degassed by repeating a cycle of freezing, pumping, and thawing until no traces of air were observed on the vacuum gauge.
- the burning velocity was measured by the closed method.
- the initial temperature was ambient temperature.
- Ignition was performed by generating an electric spark between the electrodes in the center of a sample cell.
- the duration of the discharge was 1.0 to 9.9 ms, and the ignition energy was typically about 0.1 to 1.0 J.
- the spread of the flame was visualized using schlieren photographs.
- a cylindrical container (inner diameter: 155 mm, length: 198 mm) equipped with two light transmission acrylic windows was used as the sample cell, and a xenon lamp was used as the light source.
- Schlieren images of the flame were recorded by a high-speed digital video camera at a frame rate of 600 fps and stored on a PC.
- Each WCFF concentration was obtained by using the WCF concentration as the initial concentration and performing a leak simulation using NIST Standard Reference Database REFLEAK Version 4.0.
- Tables 36 clearly indicate that in a ternary composition diagram of a mixed refrigerant of HFO-1132(E), HFO-1123, and R1234yf in which their sum is 100 mass %, and a line segment connecting a point (0.0, 100.0, 0.0) and a point (0.0, 0.0, 100.0) is the base,
- the refrigerant can be determined to have a WCF lower flammability, and a WCFF lower flammability.
- the line segment PN is represented by coordinates (x, ⁇ 0.1135x 2 +12.112x ⁇ 280.43, 0.1135x 2 ⁇ 13.112x+380.43), and the line segment NK is represented by coordinates (x, 0.2421x 2 ⁇ 29.955x+931.91, ⁇ 0.2421x 2 +28.955x ⁇ 831.91).
- the point on the line segment PN was determined by obtaining an approximate curve connecting three points, i.e., points P, L, and N, by the least square method.
- the point on the line segment NK was determined by obtaining an approximate curve connecting three points, i.e., points N, N′, and K, by the least square method.
- the refrigerant B according to the present disclosure is
- a mixed refrigerant comprising trans-1,2-difluoroethylene (HFO-1132(E)) and trifluoroethylene (HFO-1123) in a total amount of 99.5 mass % or more based on the entire refrigerant, and the refrigerant comprising 62.0 mass % to 72.0 mass % or 45.1 mass % to 47.1 mass % of HFO-1132(E) based on the entire refrigerant, or
- a mixed refrigerant comprising HFO-1132(E) and HFO-1123 in a total amount of 99.5 mass % or more based on the entire refrigerant, and the refrigerant comprising 45.1 mass % to 47.1 mass % of HFO-1132(E) based on the entire refrigerant.
- the refrigerant B according to the present disclosure has various properties that are desirable as an R410A-alternative refrigerant, i.e., (1) a coefficient of performance equivalent to that of R410A, (2) a refrigerating capacity equivalent to that of R410A, (3) a sufficiently low GWP, and (4) a lower flammability (Class 2L) according to the ASHRAE standard.
- the refrigerant B according to the present disclosure is a mixed refrigerant comprising 72.0 mass % or less of HFO-1132(E), it has WCF lower flammability.
- the refrigerant B according to the present disclosure is a composition comprising 47.1% or less of HFO-1132(E), it has WCF lower flammability and WCFF lower flammability, and is determined to be “Class 2L,” which is a lower flammable refrigerant according to the ASHRAE standard, and which is further easier to handle.
- the refrigerant B according to the present disclosure comprises 62.0 mass % or more of HFO-1132(E), it becomes superior with a coefficient of performance of 95% or more relative to that of R410A, the polymerization reaction of HFO-1132(E) and/or HFO-1123 is further suppressed, and the stability is further improved.
- the refrigerant B according to the present disclosure comprises 45.1 mass % or more of HFO-1132(E), it becomes superior with a coefficient of performance of 93% or more relative to that of R410A, the polymerization reaction of HFO-1132(E) and/or HFO-1123 is further suppressed, and the stability is further improved.
- the refrigerant B according to the present disclosure may further comprise other additional refrigerants in addition to HFO-1132(E) and HFO-1123, as long as the above properties and effects are not impaired.
- the refrigerant according to the present disclosure preferably comprises HFO-1132(E) and HFO-1123 in a total amount of 99.75 mass % or more, and more preferably 99.9 mass % or more, based on the entire refrigerant.
- additional refrigerants are not limited, and can be selected from a wide range of refrigerants.
- the mixed refrigerant may comprise a single additional refrigerant, or two or more additional refrigerants.
- refrigerant B is not limited to the Examples.
- the GWP of compositions each comprising a mixture of R410A was evaluated based on the values stated in the Intergovernmental Panel on Climate Change (IPCC), fourth report.
- IPCC Intergovernmental Panel on Climate Change
- compositions each comprising R410A and a mixture of HFO-1132(E) and HFO-1123 were determined by performing theoretical refrigeration cycle calculations for the mixed refrigerants using the National Institute of Science and Technology (NIST) and Reference Fluid Thermodynamic and Transport Properties Database (Refprop 9.0) under the following conditions.
- composition of each mixture was defined as WCF.
- a leak simulation was performed using NIST Standard Reference Data Base Refleak Version 4.0 under the conditions of Equipment, Storage, Shipping, Leak, and Recharge according to the ASHRAE Standard 34-2013.
- the most flammable fraction was defined as WCFF.
- Tables 1 and 2 show GWP, COP, and refrigerating capacity, which were calculated based on these results.
- the COP and refrigerating capacity are ratios relative to R410A.
- the coefficient of performance (COP) was determined by the following formula.
- the burning velocity was measured according to the ANSI/ASHRAE Standard 34-2013. Both WCF and WCFF having a burning velocity of 10 cm/s or less were determined to be “Class 2L (lower flammability).”
- a burning velocity test was performed using the apparatus shown in FIG. 1 in the following manner.
- the mixed refrigerants used had a purity of 99.5% or more, and were degassed by repeating a cycle of freezing, pumping, and thawing until no traces of air were observed on the vacuum gauge.
- the burning velocity was measured by the closed method.
- the initial temperature was ambient temperature.
- Ignition was performed by generating an electric spark between the electrodes in the center of a sample cell.
- the duration of the discharge was 1.0 to 9.9 ms, and the ignition energy was typically about 0.1 to 1.0 J.
- the spread of the flame was visualized using schlieren photographs.
- a cylindrical container (inner diameter: 155 mm, length: 198 mm) equipped with two light transmission acrylic windows was used as the sample cell, and a xenon lamp was used as the light source.
- Schlieren images of the flame were recorded by a high-speed digital video camera at a frame rate of 600 fps and stored on a PC.
- the refrigerant C according to the present disclosure is a composition comprising trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), 2,3,3,3-tetrafluoro-1-propene (R1234yf), and difluoromethane (R32), and satisfies the following requirements.
- the refrigerant C according to the present disclosure has various properties that are desirable as an alternative refrigerant for R410A; i.e. it has a coefficient of performance and a refrigerating capacity that are equivalent to those of R410A, and a sufficiently low GWP.
- Preferable refrigerant C is as follows:
- HFO-1132(E), HFO-1123, R1234yf, and R32 based on their sum is respectively represented by x, y, z, and a,
- point G (0.026a 2 ⁇ 1.7478a+72.0, ⁇ 0.026a 2 +0.7478a+28.0, 0.0), point I (0.026a 2 ⁇ 1.7478a+72.0, 0.0, ⁇ 0.026a 2 +0.7478a+28.0), point A (0.0134a 2 ⁇ 1.9681a+68.6, 0.0, ⁇ 0.0134a 2 +0.9681a+31.4), point B (0.0, 0.0144a 2 ⁇ 1.6377a+58.7, ⁇ 0.0144a 2 +0.6377a+41.3), point D′ (0.0, 0.0224a 2 +0.968a+75.4, ⁇ 0.0224a 2 ⁇ 1.968a+24.6), and point C ( ⁇ 0.2304a 2 ⁇ 0.4062a+32.9, 0.2304a 2 ⁇ 0.5938a+67.1, 0.0), or on the straight lines GI, AB, and D′C (excluding point G, point I, point A, point B, point D′, and point C);
- coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines GI, IA, AB, BW, and WG that connect the following 5 points:
- point G (0.02a 2 ⁇ 1.6013a+71.105, ⁇ 0.02a 2 +0.6013a+28.895, 0.0)
- point I (0.02a 2 ⁇ 1.6013a+71.105, 0.0, ⁇ 0.02a 2 +0.6013a+28.895)
- point A (0.0112a 2 ⁇ 1.9337a+68.484, 0.0, ⁇ 0.0112a 2 +0.9337a+31.516)
- point B (0.0, 0.0075a 2 ⁇ 1.5156a+58.199, ⁇ 0.0075a 2 +0.5156a+41.801)
- point W (0.0, 100.0 ⁇ a, 0.0), or on the straight lines GI and AB (excluding point G, point I, point A, point B, and point W);
- coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines GI, IA, AB, BW, and WG that connect the following 5 points:
- point G (0.0135a 2 ⁇ 1.4068a+69.727, ⁇ 0.0135a 2 +0.4068a+30.273, 0.0)
- point I (0.0135a 2 ⁇ 1.4068a+69.727, 0.0, ⁇ 0.0135a 2 +0.4068a+30.273)
- point A (0.0107a 2 ⁇ 1.9142a+68.305, 0.0, ⁇ 0.0107a 2 +0.9142a+31.695)
- point B (0.0, 0.009a 2 ⁇ 1.6045a+59.318, ⁇ 0.009a 2 +0.6045a+40.682)
- point W (0.0, 100.0 ⁇ a, 0.0), or on the straight lines GI and AB (excluding point G, point I, point A, point B, and point W);
- coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines GI, IA, AB, BW, and WG that connect the following 5 points:
- point G (0.0111a 2 ⁇ 1.3152a+68.986, ⁇ 0.0111a 2 +0.3152a+31.014, 0.0)
- point I (0.0111a 2 ⁇ 1.3152a+68.986, 0.0, ⁇ 0.0111a 2 +0.3152a+31.014)
- point A (0.0103a 2 ⁇ 1.9225a+68.793, 0.0, ⁇ 0.0103a 2 +0.9225a+31.207)
- point B 0.0, 0.0046a 2 ⁇ 1.41a+57.286, ⁇ 0.0046a 2 +0.41a+42.714) and point W (0.0, 100.0 ⁇ a, 0.0), or on the straight lines GI and AB (excluding point G, point I, point A, point B, and point W); and
- coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines GI, IA, AB, BW, and WG that connect the following 5 points:
- point G (0.0061a 2 ⁇ 0.9918a+63.902, ⁇ 0.0061a 2 ⁇ 0.0082a+36.098, 0.0)
- point I (0.0061a 2 ⁇ 0.9918a+63.902, 0.0, ⁇ 0.0061a 2 ⁇ 0.0082a+36.098)
- point A (0.0085a 2 ⁇ 1.8102a+67.1, 0.0, ⁇ 0.0085a 2 +0.8102a+32.9)
- point B 0.0, 0.0012a 2 ⁇ 1.1659a+52.95, ⁇ 0.0012a 2 +0.1659a+47.05
- point W (0.0, 100.0 ⁇ a, 0.0), or on the straight lines GI and AB (excluding point G, point I, point A, point B, and point W).
- the refrigerant according to the present disclosure satisfies the above requirements, it has a refrigerating capacity ratio of 85% or more relative to that of R410A, and a COP ratio of 92.5% or more relative to that of R410A, and further ensures a WCF lower flammability.
- the refrigerant C according to the present disclosure is preferably a refrigerant wherein
- point J (0.0049a 2 ⁇ 0.9645a+47.1, ⁇ 0.0049a 2 ⁇ 0.0355a+52.9, 0.0)
- point K′ (0.0514a 2 ⁇ 2.4353a+61.7, ⁇ 0.0323a 2 +0.4122a+5.9, ⁇ 0.0191a 2 +1.0231a+32.4)
- point B (0.0, 0.0144a 2 ⁇ 1.6377a+58.7, ⁇ 0.0144a 2 +0.6377a+41.3)
- point D′ (0.0, 0.0224a 2 +0.968a+75.4, ⁇ 0.0224a 2 ⁇ 1.968a+24.6)
- point C ( ⁇ 0.2304a 2 ⁇ 0.4062a+32.9, 0.2304a 2 ⁇ 0.5938a+67.1, 0.0), or on the straight lines JK′, K′B, and D′C (excluding point J, point B, point D′, and point C);
- coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines JK′, K′B, BW, and WJ that connect the following 4 points:
- point J (0.0243a 2 ⁇ 1.4161a+49.725, ⁇ 0.0243a 2 +0.4161a+50.275, 0.0)
- point K′ (0.0341a 2 ⁇ 2.1977a+61.187, ⁇ 0.0236a 2 +0.34a+5.636, ⁇ 0.0105a 2 +0.8577a+33.177)
- point B (0.0, 0.0075a 2 ⁇ 1.5156a+58.199, ⁇ 0.0075a 2 +0.5156a+41.801) and point W (0.0, 100.0 ⁇ a, 0.0), or on the straight lines JK′ and K′B (excluding point J, point B, and point W);
- coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines JK′, K′B, BW, and WJ that connect the following 4 points:
- point J (0.0246a 2 ⁇ 1.4476a+50.184, ⁇ 0.0246a 2 +0.4476a+49.816, 0.0)
- point K′ (0.0196a 2 ⁇ 1.7863a+58.515, ⁇ 0.0079a 2 ⁇ 0.1136a+8.702, ⁇ 0.0117a 2 +0.8999a+32.783)
- point B (0.0, 0.009a 2 ⁇ 1.6045a+59.318, ⁇ 0.009a 2 +0.6045a+40.682) and point W (0.0, 100.0 ⁇ a, 0.0), or on the straight lines JK′ and K′B (excluding point J, point B, and point W);
- coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines JK′, K′A, AB, BW, and WJ that connect the following 5 points:
- point J (0.0183a 2 ⁇ 1.1399a+46.493, ⁇ 0.0183a 2 +0.1399a+53.507, 0.0)
- point K′ ( ⁇ 0.0051a 2 +0.0929a+25.95, 0.0, 0.0051a 2 ⁇ 1.0929a+74.05)
- point A (0.0103a 2 ⁇ 1.9225a+68.793, 0.0, ⁇ 0.0103a 2 +0.9225a+31.207)
- point B (0.0, 0.0046a 2 ⁇ 1.41a+57.286, ⁇ 0.0046a 2 +0.41a+42.714)
- point W (0.0, 100.0 ⁇ a, 0.0), or on the straight lines JK′, K′A, and AB (excluding point J, point B, and point W); and
- coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines JK′, K′A, AB, BW, and WJ that connect the following 5 points:
- point J ( ⁇ 0.0134a 2 +1.0956a+7.13, 0.0134a 2 ⁇ 2.0956a+92.87, 0.0)
- point K′ ( ⁇ 1.892a+29.443, 0.0, 0.892a+70.557)
- point A (0.0085a 2 ⁇ 1.8102a+67.1, 0.0, ⁇ 0.0085a 2 +0.8102a+32.9)
- point B (0.0, 0.0012a 2 ⁇ 1.1659a+52.95, ⁇ 0.0012a 2 +0.1659a+47.05)
- point W (0.0, 100.0 ⁇ a, 0.0), or on the straight lines JK′, K′A, and AB (excluding point J, point B, and point W).
- the refrigerant according to the present disclosure When the refrigerant according to the present disclosure satisfies the above requirements, it has a refrigerating capacity ratio of 85% or more relative to that of R410A, and a COP ratio of 92.5% or more relative to that of R410A. Additionally, the refrigerant has a WCF lower flammability and a WCFF lower flammability, and is classified as “Class 2L,” which is a lower flammable refrigerant according to the ASHRAE standard.
- the refrigerant C when the refrigerant C according to the present disclosure further contains R32 in addition to HFO-1132 (E), HFO-1123, and R1234yf, the refrigerant may be a refrigerant wherein when the mass % of HFO-1132(E), HFO-1123, R1234yf, and R32 based on their sum is respectively represented by x, y, z, and a,
- point a (0.02a 2 ⁇ 2.46a+93.4, 0, ⁇ 0.02a 2 +2.46a+6.6)
- point b′ ( ⁇ 0.008a 2 ⁇ 1.38a+56, 0.018a 2 ⁇ 0.53a+26.3, ⁇ 0.01a 2 +1.91a+17.7)
- point c ( ⁇ 0.016a 2 +1.02a+77.6, 0.016a 2 ⁇ 1.02a+22.4, 0)
- point o (100.0 ⁇ a, 0.0, 0.0) or on the straight lines oa, ab′, and b′c (excluding point o and point c);
- point a (0.0244a 2 ⁇ 2.5695a+94.056, 0, ⁇ 0.0244a 2 +2.5695a+5.944), point b′ (0.1161a 2 ⁇ 1.9959a+59.749, 0.014a 2 ⁇ 0.3399a+24.8, ⁇ 0.1301a 2 +2.3358a+15.451), point c ( ⁇ 0.0161a 2 +1.02a+77.6, 0.0161a 2 ⁇ 1.02a+22.4, 0), and point o (100.0 ⁇ a, 0.0, 0.0), or on the straight lines oa, ab′, and b′c (excluding point o and point c); or
- point a (0.0161a 2 ⁇ 2.3535a+92.742, 0, ⁇ 0.0161a 2 +2.3535a+7.258), point b′ ( ⁇ 0.0435a 2 ⁇ 0.0435a+50.406, 0.0304a 2 +1.8991a ⁇ 0.0661, 0.0739a 2 ⁇ 1.8556a+49.6601), point c ( ⁇ 0.0161a 2 +0.9959a+77.851, 0.0161a 2 ⁇ 0.9959a+22.149, 0), and point o (100.0 ⁇ a, 0.0, 0.0), or on the straight lines oa, ab′, and b′c (excluding point o and point c).
- point b in the ternary composition diagram is defined as a point where a refrigerating capacity ratio of 95% relative to that of R410A and a COP ratio of 95% relative to that of R410A are both achieved
- point b′ is the intersection of straight line ab and an approximate line formed by connecting the points where the COP ratio relative to that of R410A is 95%.
- the refrigerant according to the present disclosure meets the above requirements, the refrigerant has a refrigerating capacity ratio of 95% or more relative to that of R410A, and a COP ratio of 95% or more relative to that of R410A.
- the refrigerant C according to the present disclosure may further comprise other additional refrigerants in addition to HFO-1132(E), HFO-1123, R1234yf, and R32 as long as the above properties and effects are not impaired.
- the refrigerant according to the present disclosure preferably comprises HFO-1132(E), HFO-1123, R1234yf, and R32 in a total amount of 99.5 mass % or more, more preferably 99.75 mass % or more, and still more preferably 99.9 mass % or more, based on the entire refrigerant.
- the refrigerant C according to the present disclosure may comprise HFO-1132(E), HFO-1123, R1234yf, and R32 in a total amount of 99.5 mass % or more, 99.75 mass % or more, or 99.9 mass % or more, based on the entire refrigerant.
- Additional refrigerants are not particularly limited and can be widely selected.
- the mixed refrigerant may contain one additional refrigerant, or two or more additional refrigerants.
- refrigerant C is not limited to the Examples.
- the GWP of compositions each comprising a mixture of R410A was evaluated based on the values stated in the Intergovernmental Panel on Climate Change (IPCC), fourth report.
- IPCC Intergovernmental Panel on Climate Change
- compositions each comprising R410A and a mixture of HFO-1132(E) and HFO-1123 were determined by performing theoretical refrigeration cycle calculations for the mixed refrigerants using the National Institute of Science and Technology (NIST) and Reference Fluid Thermodynamic and Transport Properties Database (Refprop 9.0) under the following conditions.
- Tables 39 to 96 show the resulting values together with the GWP of each mixed refrigerant.
- the COP and refrigerating capacity are ratios relative to R410A.
- the coefficient of performance (COP) was determined by the following formula.
- HFO-1132(E), HFO-1123, R1234yf, and R32 based on their sum is respectively represented by x, y, z, and a, in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is (100 ⁇ a) mass %, a straight line connecting a point (0.0, 100.0 ⁇ a, 0.0) and a point (0.0, 0.0, 100.0 ⁇ a) is the base, and the point (0.0, 100.0 ⁇ a, 0.0) is on the left side, if 0 ⁇ a ⁇ 11.1, coordinates (x,y,z) in the ternary composition diagram are on, or on the left side of, a straight line AB that connects point A (0.0134a 2 ⁇ 1.9681a+68.6, 0.0, ⁇ 0.0134a 2 +0.9681a+31.4) and point B (0.0, 0.0144a 2 ⁇ 1.6377a+58.7, ⁇ 0.0144a 2
- coordinates (x,y,z) in the ternary composition diagram are on, or on the left side of, a straight line AB that connects point A (0.0112a 2 ⁇ 1.9337a+68.484, 0.0, ⁇ 0.0112a 2 +0.9337a+31.516) and point B (0.0, 0.0075a 2 ⁇ 1.5156a+58.199, ⁇ 0.0075a 2 +0.5156a+41.801);
- coordinates (x,y,z) in the ternary composition diagram are on, or on the left side of, a straight line AB that connects point A (0.0107a 2 ⁇ 1.9142a+68.305, 0.0, ⁇ 0.0107a 2 +0.9142a+31.695) and point B (0.0, 0.009a 2 ⁇ 1.6045a+59.318, ⁇ 0.009a 2 +0.6045a+40.682);
- coordinates (x,y,z) in the ternary composition diagram are on, or on the left side of, a straight line AB that connects point A (0.0103a 2 ⁇ 1.9225a+68.793, 0.0, ⁇ 0.0103a 2 +0.9225a+31.207) and point B (0.0, 0.0046a 2 ⁇ 1.41a+57.286, ⁇ 0.0046a 2 +0.41a+42.714); and
- coordinates (x,y,z) in the ternary composition diagram are on, or on the left side of, a straight line AB that connects point A (0.0085a 2 ⁇ 1.8102a+67.1, 0.0, ⁇ 0.0085a 2 +0.8102a+32.9) and point B (0.0, 0.0012a 2 ⁇ 1.1659a+52.95, ⁇ 0.0012a 2 +0.1659a+47.05).
- the COP ratio of 92.5% or more forms a curved line CD.
- D′C a straight line that connects point C and point D′ (0, 75.4, 24.6)
- point D′(0, 83.4, 9.5) was similarly obtained from an approximate curve formed by connecting point C (18.4, 74.5, 0) and points (13.9, 76.5, 2.5) (8.7, 79.2, 5) where the COP ratio is 92.5%, and a straight line that connects point C and point D′ was defined as the straight line D′C.
- composition of each mixture was defined as WCF.
- a leak simulation was performed using NIST Standard Reference Database REFLEAK Version 4.0 under the conditions of Equipment, Storage, Shipping, Leak, and Recharge according to the ASHRAE Standard 34-2013.
- the most flammable fraction was defined as WCFF.
- the burning velocity was measured according to the ANSI/ASHRAE Standard 34-2013. Both WCF and WCFF having a burning velocity of 10 cm/s or less were determined to be classified as “Class 2L (lower flammability).”
- a burning velocity test was performed using the apparatus shown in FIG. 1 in the following manner.
- the mixed refrigerants used had a purity of 99.5% or more, and were degassed by repeating a cycle of freezing, pumping, and thawing until no traces of air were observed on the vacuum gauge.
- the burning velocity was measured by the closed method.
- the initial temperature was ambient temperature.
- Ignition was performed by generating an electric spark between the electrodes in the center of a sample cell.
- the duration of the discharge was 1.0 to 9.9 ms, and the ignition energy was typically about 0.1 to 1.0 J.
- the spread of the flame was visualized using schlieren photographs.
- a cylindrical container (inner diameter: 155 mm, length: 198 mm) equipped with two light transmission acrylic windows was used as the sample cell, and a xenon lamp was used as the light source.
- Schlieren images of the flame were recorded by a high-speed digital video camera at a frame rate of 600 fps and stored on a PC.
- coordinates (x,y,z) in the ternary composition diagram are on or below a straight line GI that connects point G (0.02a 2 ⁇ 1.6013a+71.105, ⁇ 0.02a 2 +0.6013a+28.895, 0.0) and point I (0.02a 2 ⁇ 1.6013a+71.105, 0.0, ⁇ 0.02a 2 +0.6013a+28.895); if 18.2 ⁇ a ⁇ 26.7, coordinates (x,y,z) in the ternary composition diagram are on or below a straight line GI that connects point G (0.0135a 2 ⁇ 1.4068a+69.727, ⁇ 0.0135a 2 +0.4068a+30.273, 0.0) and point I (0.0135a 2 ⁇ 1.4068a+69.727, 0.0, ⁇ 0.0135a 2 +0.4068a+30.273); if 26.7 ⁇ a ⁇ 36.7, coordinates (x,y,z)
- FIGS. 3 to 13 show compositions whose R32 content a (mass %) is 0 mass %, 7.1 mass %, 11.1 mass %, 14.5 mass %, 18.2 mass %, 21.9 mass %, 26.7 mass %, 29.3 mass %, 36.7 mass %, 44.1 mass %, and 47.8 mass %, respectively.
- Points A, B, C, and D′ were obtained in the following manner according to approximate calculation.
- Point A is a point where the content of HFO-1123 is 0 mass %, and a refrigerating capacity ratio of 85% relative to that of R410A is achieved. Three points corresponding to point A were obtained in each of the following five ranges by calculation, and their approximate expressions were obtained (Table 109).
- Point B is a point where the content of HFO-1132(E) is 0 mass %, and a refrigerating capacity ratio of 85% relative to that of R410A is achieved.
- Point D′ is a point where the content of HFO-1132(E) is 0 mass %, and a COP ratio of 95.5% relative to that of R410A is achieved.
- Point C is a point where the content of R1234yf is 0 mass %, and a COP ratio of 95.5% relative to that of R410A is achieved.
- the refrigerant D is a mixed refrigerant comprising trans-1,2-difluoroethylene (HFO-1132(E)), difluoromethane (R32), and 2,3,3,3-tetrafluoro-1-propene (R1234yf).
- the refrigerant D according to the present disclosure has various properties that are desirable as an R410A-alternative refrigerant; i.e., a refrigerating capacity equivalent to that of R410A, a sufficiently low GWP, and a lower flammability (Class 2L) according to the ASHRAE standard.
- the refrigerant D according to the present disclosure is preferably a refrigerant wherein
- the line segment IJ is represented by coordinates (0.0236y 2 ⁇ 1.7616y+72.0, y, ⁇ 0.0236y 2 +0.7616y+28.0);
- the line segment NE is represented by coordinates (0.012y 2 ⁇ 1.9003y+58.3, y, ⁇ 0.012y 2 +0.9003y+41.7);
- the line segments JN and EI are straight lines.
- the refrigerant according to the present disclosure has a refrigerating capacity ratio of 80% or more relative to R410A, a GWP of 125 or less, and a WCF lower flammability.
- the refrigerant D according to the present disclosure is preferably a refrigerant wherein
- point M (52.6, 0.0, 47.4), point M′ (39.2, 5.0, 55.8), point N (27.7, 18.2, 54.1), point V (11.0, 18.1, 70.9), and point G (39.6, 0.0, 60.4), or on these line segments (excluding the points on the line segment GM);
- the line segment MM′ is represented by coordinates (0.132y 2 ⁇ 3.34y+52.6, y, ⁇ 0.132y 2 +2.34y+47.4);
- the line segment M′N is represented by coordinates (0.0596y 2 ⁇ 2.2541y+48.98, y, ⁇ 0.0596y 2 +1.2541y+51.02);
- the line segment VG is represented by coordinates (0.0123y 2 ⁇ 1.8033y+39.6, y, ⁇ 0.0123y 2 +0.8033y+60.4);
- the line segments NV and GM are straight lines.
- the refrigerant according to the present disclosure has a refrigerating capacity ratio of 70% or more relative to R410A, a GWP of 125 or less, and an ASHRAE lower flammability.
- the refrigerant D according to the present disclosure is preferably a refrigerant wherein
- the line segment ON is represented by coordinates (0.0072y 2 ⁇ 0.6701y+37.512, y, ⁇ 0.0072y 2 ⁇ 0.3299y+62.488);
- the line segment NU is represented by coordinates (0.0083y 2 ⁇ 1.7403y+56.635, y, ⁇ 0.0083y 2 +0.7403y+43.365);
- the line segment UO is a straight line.
- the refrigerant according to the present disclosure has a refrigerating capacity ratio of 80% or more relative to R410A, a GWP of 250 or less, and an ASHRAE lower flammability.
- the refrigerant D according to the present disclosure is preferably a refrigerant wherein
- point Q (44.6, 23.0, 32.4), point R (25.5, 36.8, 37.7), point T (8.6, 51.6, 39.8), point L (28.9, 51.7, 19.4), and point K (35.6, 36.8, 27.6), or on these line segments;
- the line segment QR is represented by coordinates (0.0099y 2 ⁇ 1.975y+84.765, y, ⁇ 0.0099y 2 +0.975y+15.235);
- the line segment RT is represented by coordinates (0.0082y 2 ⁇ 1.8683y+83.126, y, ⁇ 0.0082y 2 +0.8683y+16.874);
- the line segment LK is represented by coordinates (0.0049y 2 ⁇ 0.8842y+61.488, y, ⁇ 0.0049y 2 ⁇ 0.1158y+38.512);
- the line segment KQ is represented by coordinates (0.0095y 2 ⁇ 1.2222y+67.676, y, ⁇ 0.0095y 2 +0.2222y+32.324);
- the line segment TL is a straight line.
- the refrigerant according to the present disclosure has a refrigerating capacity ratio of 92.5% or more relative to R410A, a GWP of 350 or less, and a WCF lower flammability.
- the refrigerant D according to the present disclosure is preferably a refrigerant wherein
- point P (20.5, 51.7, 27.8), point S (21.9, 39.7, 38.4), and point T (8.6, 51.6, 39.8), or on these line segments;
- the line segment PS is represented by coordinates (0.0064y 2 ⁇ 0.7103y+40.1, y, ⁇ 0.0064y 2 ⁇ 0.2897y+59.9);
- the line segment ST is represented by coordinates (0.0082y 2 ⁇ 1.8683y+83.126, y, ⁇ 0.0082y 2 +0.8683y+16.874);
- the line segment TP is a straight line.
- the refrigerant according to the present disclosure has a refrigerating capacity ratio of 92.5% or more relative to R410A, a GWP of 350 or less, and an ASHRAE lower flammability.
- the refrigerant D according to the present disclosure is preferably a refrigerant wherein
- point a (71.1, 0.0, 28.9), point c (36.5, 18.2, 45.3), point f (47.6, 18.3, 34.1), and point d (72.0, 0.0, 28.0), or on these line segments;
- the line segment ac is represented by coordinates (0.0181y 2 ⁇ 2.2288y+71.096, y, ⁇ 0.0181y 2 +1.2288y+28.904);
- the line segment fd is represented by coordinates (0.02y 2 ⁇ 1.7y+72, y, ⁇ 0.02y 2 +0.7y+28);
- the line segments cf and da are straight lines.
- the refrigerant according to the present disclosure has a refrigerating capacity ratio of 85% or more relative to R410A, a GWP of 125 or less, and a lower flammability (Class 2L) according to the ASHRAE standard.
- the refrigerant D according to the present disclosure is preferably a refrigerant wherein
- point a (71.1, 0.0, 28.9), point b (42.6, 14.5, 42.9), point e (51.4, 14.6, 34.0), and point d (72.0, 0.0, 28.0), or on these line segments;
- the line segment ab is represented by coordinates (0.0181y 2 ⁇ 2.2288y+71.096, y, ⁇ 0.0181y 2 +1.2288y+28.904);
- the line segment ed is represented by coordinates (0.02y 2 ⁇ 1.7y+72, y, ⁇ 0.02y 2 +0.7y+28);
- the line segments be and da are straight lines.
- the refrigerant according to the present disclosure has a refrigerating capacity ratio of 85% or more relative to R410A, a GWP of 100 or less, and a lower flammability (Class 2L) according to the ASHRAE standard.
- the refrigerant D according to the present disclosure is preferably a refrigerant wherein
- the line segment gi is represented by coordinates (0.02y 2 ⁇ 2.4583y+93.396, y, ⁇ 0.02y 2 +1.4583y+6.604);
- the line segments ij and jg are straight lines.
- the refrigerant according to the present disclosure has a refrigerating capacity ratio of 95% or more relative to R410A and a GWP of 100 or less, undergoes fewer or no changes such as polymerization or decomposition, and also has excellent stability.
- the refrigerant D according to the present disclosure is preferably a refrigerant wherein
- the line segment gh is represented by coordinates (0.02y 2 ⁇ 2.4583y+93.396, y, ⁇ 0.02y 2 +1.4583y+6.604);
- the line segments hk and kg are straight lines.
- the refrigerant according to the present disclosure has a refrigerating capacity ratio of 95% or more relative to R410A and a GWP of 100 or less, undergoes fewer or no changes such as polymerization or decomposition, and also has excellent stability.
- the refrigerant D according to the present disclosure may further comprise other additional refrigerants in addition to HFO-1132(E), R32, and R1234yf, as long as the above properties and effects are not impaired.
- the refrigerant according to the present disclosure preferably comprises HFO-1132(E), R32, and R1234yf in a total amount of 99.5 mass % or more, more preferably 99.75 mass % or more, and still more preferably 99.9 mass % or more based on the entire refrigerant.
- additional refrigerants are not limited, and can be selected from a wide range of refrigerants.
- the mixed refrigerant may comprise a single additional refrigerant, or two or more additional refrigerants.
- refrigerant D is not limited to the Examples.
- composition of each mixed refrigerant of HFO-1132(E), R32, and R1234yf was defined as WCF.
- a leak simulation was performed using the NIST Standard Reference Database REFLEAK Version 4.0 under the conditions of Equipment, Storage, Shipping, Leak, and Recharge according to the ASHRAE Standard 34-2013.
- the most flammable fraction was defined as WCFF.
- a burning velocity test was performed using the apparatus shown in FIG. 1 in the following manner.
- the mixed refrigerants used had a purity of 99.5% or more, and were degassed by repeating a cycle of freezing, pumping, and thawing until no traces of air were observed on the vacuum gauge.
- the burning velocity was measured by the closed method.
- the initial temperature was ambient temperature.
- Ignition was performed by generating an electric spark between the electrodes in the center of a sample cell.
- the duration of the discharge was 1.0 to 9.9 ms, and the ignition energy was typically about 0.1 to 1.0 J.
- the spread of the flame was visualized using schlieren photographs.
- a cylindrical container (inner diameter: 155 mm, length: 198 mm) equipped with two light transmission acrylic windows was used as the sample cell, and a xenon lamp was used as the light source.
- Schlieren images of the flame were recorded by a high-speed digital video camera at a frame rate of 600 fps and stored on a PC. Tables 113 to 115 show the results.
- Tables 116 to 144 show these values together with the GWP of each mixed refrigerant.
- Example 1 A B A′ B′ A′′ B′′ HFO-1132 (E) Mass % R410A 81.6 0.0 63.1 0.0 48.2 0.0 R32 Mass % 18.4 18.1 36.9 36.7 51.8 51.5 R1234yf Mass % 0.0 81.9 0.0 63.3 0.0 48.5 GWP — 2088 125 125 250 250 350 350 COP Ratio % (relative 100 98.7 103.6 98.7 102.3 99.2 102.2 to R410A) Refrigerating Capacity % (relative 100 105.3 62.5 109.9 77.5 112.1 87.3 Ratio to R410A)
- Example 10 Item Unit E Example 5 N Example 7 U G Example 9 V HFO-1132 (E) Mass % 58.3 40.5 27.7 14.9 3.9 39.6 22.8 11.0 R32 Mass % 0.0 10.0 18.2 27.6 36.7 0.0 10.0 18.1 R1234yf Mass % 41.7 49.5 54.1 57.5 59.4 60.4 67.2 70.9 GWP — 2 70 125 189 250 3 70 125 COP Ratio % (relative 100.3 100.3 100.7 101.2 101.9 101.4 101.8 102.3 to R410A) Refrigerating Capacity % (relative 80.0 80.0 80.0 80.0 80.0 80.0 70.0 70.0 70.0 Ratio to R410A)
- Example 21 Item Unit M
- Example 18 W Example 20
- Example 22 HFO-1132(E) Mass % 52.6 39.2 32.4 29.3 27.7 24.5
- 18.2 27.6 R1234yf Mass % 47.4 55.8 57.6 56.2 54.1 47.9
- GWP — 2 36 70 100 125 188 COP Ratio % (relative to 100.5 100.9 100.9 100.8 100.7 100.4
- Refrigerating Capacity % (relative to 77.1 74.8 75.6 77.8 80.0 85.5 Ratio R410A)
- Example Example 23 Example 25 26 Item Unit O 24 P S HFO-1132(E) Mass % 22.6 21.2 20.5 21.9 R32 Mass % 36.8 44.2 51.7 39.7 R1234yf Mass % 40.6 34.6 27.8 38.4 GWP — 250 300 350 270 COP Ratio % (relative to 100.4 100.5 100.6 100.4 R410A) Refrigerating % (relative to 91.0 95.0 99.1 92.5 Capacity Ratio R410A)
- Example Example Example Item Unit 95 Example 96 97 Example 98 99 Example 100
- Example 101 102 HFO-1132(E) Mass % 28.0 12.0 15.0 18.0 21.0 24.0 27.0 25.0 R32 Mass % 15.0 18.0 18.0 18.0 18.0 18.0 21.0 R1234yf Mass % 57.0 70.0 67.0 64.0 61.0 58.0 55.0 54.0 GWP — 104 124 124 124 124 124 124 144 COP Ratio %(relative to 100.9 102.2 101.9 101.6 101.3 101.0 100.7 100.7 R410A) Refrigerating %(relative to Capacity R410A) 77.5 70.5 72.4 74.2 76.0 77.7 79.4 80.7 Ratio
- Example Example Example Item Unit 103 Example 104 105
- Example 106 Example 107
- Example 109 110 HFO-1132(E) Mass % 21.0 24.0 17.0 20.0 23.0 13.0 16.0 19.0
- GWP 164 164 185 185 184 205 205 205 COP Ratio %(relative to 100.9 100.6 101.1 100.8 100.6 101.3 101.0 100.8 R410A) Refrigerating %(relative to 80.8 82.5 80.8 82.5 84.2 80.7 82.5 84.2 Capacity R410A) Ratio
- Example Example Example Item Unit 111 Example 112 113
- Example 114 Example 115 116
- Example Example Example Example Item Unit 119 120 121 122
- Example 123 Example 124
- Example 125 126 HFO-1132(E) Mass % 15.0 18.0 21.0 42.0 39.0 34.0 37.0 30.0
- R32 Mass % 36.0 36.0 25.0 28.0 31.0 31.0 34.0
- GWP 245 245 245 170 191 211 211 231
- Example 152 HFO-1132(E) Mass % 25.0 28.0 R32 Mass % 49.0 49.0 R1234yf Mass % 26.0 23.0 GWP — 332 332 COP Ratio % (relative to 100.3 100.1 R410A) Refrigerating % (relative to 99.8 101.3 Capacity Ratio R410A)
- the line segment IJ is represented by coordinates (0.0236y 2 ⁇ 1.7616y+72.0, y, ⁇ 0.0236y 2 +0.7616y+28.0),
- the line segment NE is represented by coordinates (0.012y 2 ⁇ 1.9003y+58.3, y, ⁇ 0.012y 2 +0.9003y+41.7), and
- the refrigerant D has a refrigerating capacity ratio of 80% or more relative to R410A, a GWP of 125 or less, and a WCF lower flammability.
- point M (52.6, 0.0, 47.4), point M′ (39.2, 5.0, 55.8), point N (27.7, 18.2, 54.1), point V (11.0, 18.1, 70.9), and point G (39.6, 0.0, 60.4), or on these line segments (excluding the points on the line segment GM),
- the line segment MM′ is represented by coordinates (0.132y 2 ⁇ 3.34y+52.6, y, ⁇ 0.132y 2 +2.34y+47.4)
- the line segment M′N is represented by coordinates (0.0596y 2 ⁇ 2.2541y+48.98, y, ⁇ 0.0596y 2 +1.2541y+51.02),
- the line segment VG is represented by coordinates (0.0123y 2 ⁇ 1.8033y+39.6, y, ⁇ 0.0123y 2 +0.8033y+60.4), and
- the refrigerant D according to the present disclosure has a refrigerating capacity ratio of 70% or more relative to R410A, a GWP of 125 or less, and an ASHRAE lower flammability.
- the line segment ON is represented by coordinates (0.0072y 2 ⁇ 0.6701y+37.512, y, ⁇ 0.0072y 2 ⁇ 0.3299y+62.488),
- the line segment NU is represented by coordinates (0.0083y 2 ⁇ 1.7403y+56.635, y, ⁇ 0.0083y 2 +0.7403y+43.365), and
- the refrigerant D according to the present disclosure has a refrigerating capacity ratio of 80% or more relative to R410A, a GWP of 250 or less, and an ASHRAE lower flammability.
- point Q (44.6, 23.0, 32.4), point R (25.5, 36.8, 37.7), point T (8.6, 51.6, 39.8), point L (28.9, 51.7, 19.4), and point K (35.6, 36.8, 27.6), or on these line segments,
- the line segment QR is represented by coordinates (0.0099y 2 ⁇ 1.975y+84.765, y, ⁇ 0.0099y 2 +0.975y+15.235),
- the line segment RT is represented by coordinates (0.0082y 2 ⁇ 1.8683y+83.126, y, ⁇ 0.0082y 2 +0.8683y+16.874),
- the line segment LK is represented by coordinates (0.0049y 2 ⁇ 0.8842y+61.488, y, ⁇ 0.0049y 2 ⁇ 0.1158y+38.512),
- the line segment KQ is represented by coordinates (0.0095y 2 ⁇ 1.2222y+67.676, y, ⁇ 0.0095y 2 +0.2222y+32.324), and
- the refrigerant D according to the present disclosure has a refrigerating capacity ratio of 92.5% or more relative to R410A, a GWP of 350 or less, and a WCF lower flammability.
- the line segment PS is represented by coordinates (0.0064y 2 ⁇ 0.7103y+40.1, y, ⁇ 0.0064y 2 ⁇ 0.2897y+59.9),
- the line segment ST is represented by coordinates (0.0082y 2 ⁇ 1.8683y+83.126, y, ⁇ 0.0082y 2 +0.8683y+16.874), and
- the refrigerant D according to the present disclosure has a refrigerating capacity ratio of 92.5% or more relative to R410A, a GWP of 350 or less, and an ASHRAE lower flammability.
- the refrigerant E is a mixed refrigerant comprising trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), and difluoromethane (R32).
- the refrigerant E according to the present disclosure has various properties that are desirable as an R410A-alternative refrigerant, i.e., a coefficient of performance equivalent to that of R410A and a sufficiently low GWP.
- the refrigerant E according to the present disclosure is preferably a refrigerant wherein
- point I (72.0, 28.0, 0.0), point K (48.4, 33.2, 18.4), point B′ (0.0, 81.6, 18.4), point H (0.0, 84.2, 15.8), point R (23.1, 67.4, 9.5), and point G (38.5, 61.5, 0.0), or on these line segments (excluding the points on the line segments B′H and GI);
- the line segment IK is represented by coordinates (0.025z 2 ⁇ 1.7429z+72.00, ⁇ 0.025z 2 +0.7429z+28.0, z),
- the line segment HR is represented by coordinates ( ⁇ 0.3123z 2 +4.234z+11.06, 0.3123z 2 ⁇ 5.234z+88.94, z),
- the line segment RG is represented by coordinates ( ⁇ 0.0491z 2 ⁇ 1.1544z+38.5, 0.0491z 2 +0.1544z+61.5, z), and
- the line segments KB′ and GI are straight lines.
- the refrigerant according to the present disclosure has WCF lower flammability, a COP ratio of 93% or more relative to that of R410A, and a GWP of 125 or less.
- the refrigerant E according to the present disclosure is preferably a refrigerant wherein
- point I (72.0, 28.0, 0.0), point J (57.7, 32.8, 9.5), point R (23.1, 67.4, 9.5), and point G (38.5, 61.5, 0.0), or on these line segments (excluding the points on the line segment GI);
- the line segment IJ is represented by coordinates (0.025z 2 ⁇ 1.7429z+72.0, ⁇ 0.025z 2 +0.7429z+28.0, z),
- the line segment RG is represented by coordinates ( ⁇ 0.0491z 2 ⁇ 1.1544z+38.5, 0.0491z 2 +0.1544z+61.5, z), and
- the line segments JR and GI are straight lines.
- the refrigerant according to the present disclosure has WCF lower flammability, a COP ratio of 93% or more relative to that of R410A, and a GWP of 125 or less.
- the refrigerant E according to the present disclosure is preferably a refrigerant wherein
- point M (47.1, 52.9, 0.0), point P (31.8, 49.8, 18.4), point B′ (0.0, 81.6, 18.4), point H (0.0, 84.2, 15.8), point R (23.1, 67.4, 9.5), and point G (38.5, 61.5, 0.0), or on these line segments (excluding the points on the line segments B′H and GM);
- the line segment MP is represented by coordinates (0.0083z 2 ⁇ 0.984z+47.1, ⁇ 0.0083z 2 ⁇ 0.016z+52.9, z),
- the line segment HR is represented by coordinates ( ⁇ 0.3123z 2 +4.234z+11.06, 0.3123z 2 ⁇ 5.234z+88.94, z),
- the line segment RG is represented by coordinates ( ⁇ 0.0491z 2 ⁇ 1.1544z+38.5, 0.0491z 2 +0.1544z+61.5, z), and
- the line segments PB′ and GM are straight lines.
- the refrigerant according to the present disclosure has ASHRAE lower flammability, a COP ratio of 93% or more relative to that of R410A, and a GWP of 125 or less.
- the refrigerant E according to the present disclosure is preferably a refrigerant wherein
- point M (47.1, 52.9, 0.0), point N (38.5, 52.1, 9.5), point R (23.1, 67.4, 9.5), and point G (38.5, 61.5, 0.0), or on these line segments (excluding the points on the line segment GM);
- the line segment MN is represented by coordinates (0.0083z 2 ⁇ 0.984z+47.1, ⁇ 0.0083z 2 ⁇ 0.016z+52.9, z),
- the line segment RG is represented by coordinates ( ⁇ 0.0491z 2 ⁇ 1.1544z+38.5, 0.0491z 2 +0.1544z+61.5, z),
- the line segments NR and GM are straight lines.
- the refrigerant according to the present disclosure has ASHRAE lower flammability, a COP ratio of 93% or more relative to that of R410A, and a GWP of 65 or less.
- the refrigerant E according to the present disclosure is preferably a refrigerant wherein
- point P (31.8, 49.8, 18.4), point S (25.4, 56.2, 18.4), and point T (34.8, 51.0, 14.2), or on these line segments;
- the line segment ST is represented by coordinates ( ⁇ 0.0982z 2 +0.9622z+40.931, 0.0982z 2 ⁇ 1.9622z+59.069, z),
- the line segment TP is represented by coordinates (0.0083z 2 ⁇ 0.984z+47.1, ⁇ 0.0083z 2 ⁇ 0.016z+52.9, z), and
- the line segment PS is a straight line.
- the refrigerant according to the present disclosure has ASHRAE lower flammability, a COP ratio of 94.5% or more relative to that of R410A, and a GWP of 125 or less.
- the refrigerant E according to the present disclosure is preferably a refrigerant wherein
- point Q (28.6, 34.4, 37.0), point B′′ (0.0, 63.0, 37.0), point D (0.0, 67.0, 33.0), and point U (28.7, 41.2, 30.1), or on these line segments (excluding the points on the line segment B′′D);
- the line segment DU is represented by coordinates ( ⁇ 3.4962z 2 +210.71z ⁇ 3146.1, 3.4962z 2 ⁇ 211.71z+3246.1, z),
- the line segment UQ is represented by coordinates (0.0135z 2 ⁇ 0.9181z+44.133, ⁇ 0.0135z 2 ⁇ 0.0819z+55.867, z), and
- the line segments QB′′ and B′′D are straight lines.
- the refrigerant according to the present disclosure has ASHRAE lower flammability, a COP ratio of 96% or more relative to that of R410A, and a GWP of 250 or less.
- the refrigerant E according to the present disclosure is preferably a refrigerant wherein
- point O (100.0, 0.0, 0.0), point c′ (56.7, 43.3, 0.0), point d′ (52.2, 38.3, 9.5), point e′ (41.8, 39.8, 18.4), and point a′ (81.6, 0.0, 18.4), or on the line segments c′d′, d′e′, and e′a′ (excluding the points c′ and a′);
- the line segment c′d′ is represented by coordinates ( ⁇ 0.0297z 2 ⁇ 0.1915z+56.7, 0.0297z 2 +1.1915z+43.3, z),
- the line segment d′e′ is represented by coordinates ( ⁇ 0.0535z 2 +0.3229z+53.957, 0.0535z 2 +0.6771z+46.043, z), and
- the refrigerant according to the present disclosure has a COP ratio of 92.5% or more relative to that of R410A, and a GWP of 125 or less.
- the refrigerant E according to the present disclosure is preferably a refrigerant wherein
- point O (100.0, 0.0, 0.0), point c (77.7, 22.3, 0.0), point d (76.3, 14.2, 9.5), point e (72.2, 9.4, 18.4), and point a′ (81.6, 0.0, 18.4), or on the line segments cd, de, and ea′ (excluding the points c and a′);
- the line segment cde is represented by coordinates ( ⁇ 0.017z 2 +0.0148z+77.684, 0.017z 2 +0.9852z+22.316, z), and
- the refrigerant according to the present disclosure has a COP ratio of 95% or more relative to that of R410A, and a GWP of 125 or less.
- the refrigerant E according to the present disclosure is preferably a refrigerant wherein
- point O (100.0, 0.0, 0.0), point c′ (56.7, 43.3, 0.0), point d′ (52.2, 38.3, 9.5), and point a (90.5, 0.0, 9.5), or on the line segments c′d′ and d′a (excluding the points c′ and a);
- the line segment c′d′ is represented by coordinates ( ⁇ 0.0297z 2 ⁇ 0.1915z+56.7, 0.0297z 2 +1.1915z+43.3, z), and
- the refrigerant according to the present disclosure has a COP ratio of 93.5% or more relative to that of R410A, and a GWP of 65 or less.
- the refrigerant E according to the present disclosure is preferably a refrigerant wherein
- point O (100.0, 0.0, 0.0), point c (77.7, 22.3, 0.0), point d (76.3, 14.2, 9.5), and point a (90.5, 0.0, 9.5), or on the line segments cd and da (excluding the points c and a);
- the line segment cd is represented by coordinates ( ⁇ 0.017z 2 +0.0148z+77.684, 0.017z 2 +0.9852z+22.316, z), and
- the refrigerant according to the present disclosure has a COP ratio of 95% or more relative to that of R410A, and a GWP of 65 or less.
- the refrigerant E according to the present disclosure may further comprise other additional refrigerants in addition to HFO-1132(E), HFO-1123, and R32, as long as the above properties and effects are not impaired.
- the refrigerant according to the present disclosure preferably comprises HFO-1132(E), HFO-1123, and R32 in a total amount of 99.5 mass % or more, more preferably 99.75 mass % or more, and even more preferably 99.9 mass % or more, based on the entire refrigerant.
- additional refrigerants are not limited, and can be selected from a wide range of refrigerants.
- the mixed refrigerant may comprise a single additional refrigerant, or two or more additional refrigerants.
- refrigerant E is not limited to the Examples.
- composition of each mixture was defined as WCF.
- a leak simulation was performed using National Institute of Science and Technology (NIST) Standard Reference Data Base Refleak Version 4.0 under the conditions for equipment, storage, shipping, leak, and recharge according to the ASHRAE Standard 34-2013.
- the most flammable fraction was defined as WCFF.
- the burning velocity was measured according to the ANSI/ASHRAE Standard 34-2013.
- the burning velocities of the WCF composition and the WCFF composition are 10 cm/s or less, the flammability of such a refrigerant is classified as Class 2L (lower flammability) in the ASHRAE flammability classification.
- a burning velocity test was performed using the apparatus shown in FIG. 1 in the following manner.
- the mixed refrigerants used had a purity of 99.5% or more, and were degassed by repeating a cycle of freezing, pumping, and thawing until no traces of air were observed on the vacuum gauge.
- the burning velocity was measured by the closed method.
- the initial temperature was ambient temperature.
- Ignition was performed by generating an electric spark between the electrodes in the center of a sample cell.
- the duration of the discharge was 1.0 to 9.9 ms, and the ignition energy was typically about 0.1 to 1.0 J.
- the spread of the flame was visualized using schlieren photographs.
- a cylindrical container (inner diameter: 155 mm, length: 198 mm) equipped with two light transmission acrylic windows was used as the sample cell, and a xenon lamp was used as the light source.
- Schlieren images of the flame were recorded by a high-speed digital video camera at a frame rate of 600 fps and stored on a PC.
- Table 1 indicate that in a ternary composition diagram of a mixed refrigerant of HFO-1132(E), HFO-1123, and R32 in which their sum is 100 mass %, a line segment connecting a point (0.0, 100.0, 0.0) and a point (0.0, 0.0, 100.0) is the base, the point (0.0, 100.0, 0.0) is on the left side, and the point (0.0, 0.0, 100.0) is on the right side, when coordinates (x,y,z) are on or below line segments IK and KL that connect the following 3 points:
- the line segment IK is represented by coordinates (0.025z 2 ⁇ 1.7429z+72.00, ⁇ 0.025z 2 +0.7429z+28.00, z)
- the line segment KL is represented by coordinates (0.0098z 2 ⁇ 1.238z+67.852, ⁇ 0.0098z 2 +0.238z+32.148, z)
- Table 146 indicate that in a ternary composition diagram of a mixed refrigerant of HFO-1132(E), HFO-1123, and R32 in which their sum is 100 mass %, a line segment connecting a point (0.0, 100.0, 0.0) and a point (0.0, 0.0, 100.0) is the base, the point (0.0, 100.0, 0.0) is on the left side, and the point (0.0, 0.0, 100.0) is on the right side, when coordinates (x,y,z) are on or below line segments MP and PQ that connect the following 3 points:
- the line segment MP is represented by coordinates (0.0083z 2 ⁇ 0.984z+47.1, ⁇ 0.0083z 2 ⁇ 0.016z+52.9, z), and the line segment PQ is represented by coordinates
- an approximate curve was obtained from three points, i.e., points M, N, and P, by using the least-square method to determine coordinates.
- an approximate curve was obtained from three points, i.e., points P, U, and Q, by using the least-square method to determine coordinates.
- the GWP of compositions each comprising a mixture of R410A was evaluated based on the values stated in the Intergovernmental Panel on Climate Change (IPCC), fourth report.
- IPCC Intergovernmental Panel on Climate Change
- compositions each comprising R410A and a mixture of HFO-1132(E) and HFO-1123 were determined by performing theoretical refrigeration cycle calculations for the mixed refrigerants using the National Institute of Science and Technology (NIST) and Reference Fluid Thermodynamic and Transport Properties Database (Refprop 9.0) under the following conditions.
- the COP ratio and the refrigerating capacity (which may be referred to as “cooling capacity” or “capacity”) ratio relative to those of R410 of the mixed refrigerants were determined.
- the conditions for calculation were as described below.
- Tables 147 to 166 show these values together with the GWP of each mixed refrigerant.
- the refrigerant has a GWP of 250 or less.
- the refrigerant has a GWP of 125 or less.
- the refrigerant has a GWP of 65 or less.
- the refrigerant has a COP ratio of 96% or more relative to that of R410A.
- the line segment CU is represented by coordinates ( ⁇ 0.0538z 2 +0.7888z+53.701, 0.0538z 2 ⁇ 1.7888z+46.299, z), and the line segment UD is represented by coordinates
- the points on the line segment CU are determined from three points, i.e., point C, Comparative Example 10, and point U, by using the least-square method.
- the points on the line segment UD are determined from three points, i.e., point U, Example 2, and point D, by using the least-square method.
- the refrigerant has a COP ratio of 94.5% or more relative to that of R410A.
- the line segment ET is represented by coordinates ( ⁇ 0.0547z 2 ⁇ 0.5327z+53.4, 0.0547z 2 ⁇ 0.4673z+46.6, z), and the line segment TF is represented by coordinates
- the points on the line segment ET are determined from three points, i.e., point E, Example 2, and point T, by using the least-square method.
- the points on the line segment TF are determined from three points, i.e., points T, S, and F, by using the least-square method.
- the refrigerant has a COP ratio of 93% or more relative to that of R410A.
- the line segment GR is represented by coordinates ( ⁇ 0.0491z 2 ⁇ 1.1544z+38.5, 0.0491z 2 +0.1544z+61.5, z), and the line segment RH is represented by coordinates
- the points on the line segment GR are determined from three points, i.e., point G, Example 5, and point R, by using the least-square method.
- the points on the line segment RH are determined from three points, i.e., point R, Example 7, and point H, by using the least-square method.
- a refrigeration cycle illustrated in FIG. 16 is a vapor compression refrigeration cycle using a nonazeotropic mixed refrigerant.
- reference sign 1 denotes a compressor
- 2 denotes a use-side heat exchanger
- 3 denotes a heat-source-side heat exchanger
- 4 denotes a first capillary tube that acts as an expansion mechanism.
- the devices are connected via a four-way switching valve 5 to constitute a reversible cycle.
- Reference sign 6 denotes an accumulator.
- the refrigeration cycle is filled with a refrigerant for performing a vapor compression refrigeration cycle.
- the refrigerant is a mixed refrigerant containing 1,2-difluoroethylene, and can use any one of the above-described refrigerants A to E.
- the heat-source-side heat exchanger 3 is divided into a first heat exchange section 31 and a second heat exchange section 32 .
- the first and second heat exchange sections 31 and 32 are connected in series via a second capillary tube 7 serving as a decompression mechanism.
- the second capillary tube 7 decreases the evaporation pressure of the mixed refrigerant while the mixed refrigerant flows through the heat-source-side heat exchanger 3 .
- Reference sign 8 denotes a check valve provided to cause the mixed refrigerant to bypass the second capillary tube 7 during cooling operation.
- the compressor 1 , the heat-source-side heat exchanger 3 , the first capillary tube 4 , the four-way switching valve 5 , the accumulator 6 , and the second capillary tube 7 are disposed in a heat source unit 50 situated outside a room.
- the use-side heat exchanger 2 is disposed in a use unit 60 situated inside the room.
- the use unit 60 has a rear surface that is fixed to a side wall WL in the room.
- the indoor air flows into the use-side heat exchanger 2 from the front-surface side (the left side in FIG. 17 ) and the upper-surface side of the use unit 60 .
- the use-side heat exchanger 2 includes a third heat exchange section 21 located on the front-surface side of the use unit 60 , and a fourth heat exchange section 22 located on the rear-surface side of the use unit 60 .
- An upper portion of the fourth heat exchange section 22 is located near an upper portion of the third heat exchange section 21 .
- the third heat exchange section 21 extends obliquely downward from the upper portion thereof toward the front-surface side of the use unit 60 .
- the fourth heat exchange section 22 extends obliquely downward from the upper portion thereof toward the rear-surface side of the use unit 60 .
- the capacity of the refrigerant flow path of the third heat exchange section 21 is larger than the capacity of the refrigerant flow path of the fourth heat exchange section 22 .
- the air velocity of the air passing through the third heat exchange section 21 is fast and the air velocity of the air passing through the fourth heat exchange section 22 is slow.
- the third heat exchange section 21 and the fourth heat exchange section are designed to have the capacities of the refrigerant flow paths in accordance with the air velocities. Thus, the efficiency of heat exchange of the use-side heat exchanger 2 is increased.
- T 1 is an isotherm indicating a frost limit temperature (for example, ⁇ 3° C.) and T 2 is an isotherm indicating a standard outside air temperature (for example, 7° C.) during heating operation.
- the decompression amount of the first capillary tube 4 on the inlet side of the first heat exchange section 31 is set to a pressure P 1 with which the evaporation temperature of the refrigerant at the inlet of the first heat exchange section 31 becomes a temperature T 3 that is slightly higher than the frost limit temperature T 1 during heating operation.
- the decompression amount of the second capillary tube 7 disposed between the first and second heat exchange sections 31 and 32 is determined in accordance with the temperature gradient of the mixed refrigerant. Specifically, the decompression amount of the second capillary tube 7 is set to attain decompression to a pressure P 2 with which the evaporation temperature at the inlet of the second heat exchange section 32 becomes a temperature T 5 that is equal to or higher than the frost limit temperature T 1 and the evaporation temperature at the outlet of the second heat exchange section 32 becomes a temperature T 6 that is lower than the standard outside air temperature T 2 .
- the four-way switching valve ( 5 ) is switched to the state indicated by solid lines in FIG. 16 , thereby forming a heating cycle.
- the mixed refrigerant circulates through the compressor 1 , the use-side heat exchanger 2 , the first capillary tube 4 , the heat-source-side heat exchanger 3 , and the accumulator 6 in that order.
- a change in state of the mixed refrigerant due to the circulation is described using the Mollier diagram in FIG. 18 .
- the mixed refrigerant is discharged as a high-temperature high-pressure gas with a pressure P 0 from the compressor 1 (point C 1 in FIG. 18 ). Then, the gas refrigerant is condensed under the same pressure in the use-side heat exchanger 2 , and hence the refrigerant is turned into the refrigerant in a liquid state (C 2 ). Next, the refrigerant is expanded (decompressed) in the first capillary tube 4 , the refrigerant becomes a state with the pressure P 1 , and the refrigerant flows into the first heat exchange section 31 of the heat-source-side heat exchanger 3 (C 3 ).
- the refrigerant which has flowed into the first heat exchange section 31 starts evaporating at a temperature T 3 that is higher than the frost limit temperature T 1 near the inlet of the first heat exchange section 31 . Due to the evaporation, the evaporation temperature near the outlet of the first heat exchange section 31 increases to T 4 (however, T 2 or less) (C 4 ).
- T 4 (however, T 2 or less) (C 4 ).
- the mixed refrigerant which has flowed out from the first heat exchange section 31 is decompressed in the second capillary tube 7 again and the pressure thereof becomes the pressure P 2 .
- the evaporation temperature at the inlet of the second heat exchange section 32 decreases to a temperature T 5 that is lower than the evaporation temperature at the outlet of the first heat exchange section 31 and that is higher than the frost limit temperature T 1 (C 5 ).
- the evaporation temperature of the refrigerant increases, and the refrigerant becomes the gas refrigerant at a temperature T 6 that is lower than the standard outside air temperature T 2 near the outlet of the second heat exchange section 32 . Then, the refrigerant returns to the compressor 1 and is compressed again.
- the second capillary tube 7 serving as a decompression mechanism is provided between the first heat exchange section 31 and the second heat exchange section 32 of the heat-source-side heat exchanger 3 , the difference in the evaporation temperature between the inlet and the outlet of the heat-source-side heat exchanger 3 decreases.
- the degree of increase in the evaporation temperature in the heat-source-side heat exchanger 3 decreases. Accordingly, the evaporation temperature can be shifted within a proper evaporation temperature.
- frost (frosting) in the heat-source-side heat exchanger 3 is avoided.
- a refrigeration cycle illustrated in FIG. 19 is a heat pump refrigeration apparatus using a nonazeotropic refrigerant similarly to the above-described refrigeration cycle according to the first embodiment.
- the different point from the first embodiment is that the composition of the mixed refrigerant is changed to allow the capacity to be increased or decreased in accordance with the load.
- a gas-liquid separator 9 is provided between third and fourth capillary tubes 41 and 42 that operate as an expansion mechanism.
- a container 11 for storing a refrigerant is provided in a suction gas pipe 10 .
- One end of the container 11 is connected to a gas region of the gas-liquid separator 9 via a first open-close valve 12 .
- the other end of the container 11 is connected to the suction gas pipe 10 via the second open-close valve 13 .
- the second open-close valve 13 into a closed state and the first open-close valve 12 into an open state allows the mixed refrigerant with a large proportion of a low-boiling-point refrigerant to flow into the container 11 from the gas-liquid separator 9 , and hence the refrigerant can be condensed and stored. Accordingly, the composition ratio of a high-boiling-point refrigerant in the circulating mixed refrigerant increases, and the capacity can be decreased.
- bringing the second open-close valve 13 into an open state and the first open-close valve 12 into a closed state allows the composition ratio of the mixed refrigerant to be returned to the original state and the capacity is increased.
- the evaporation pressure in the heating operation has two steps; however, the heat-source-side heat exchanger 3 may be divided into three or more sections, decompression mechanisms may be provided between the divided heat exchange sections, and the evaporation pressure may be changed by three or more steps.
- the capillary tube 7 is provided as a decompression mechanism; however, a decompression mechanism may be constituted by determining the inner diameter of the heat transfer tube of the heat-source-side heat exchanger 3 so as to obtain a proper decompression gradient.
- the decompression amount of the decompression mechanism may not be set such that the evaporation temperature at the inlet of the heat-source-side heat exchanger 3 is equal to or higher than the frost limit temperature during heating operation.
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Abstract
A refrigeration cycle is a refrigeration cycle using a mixed refrigerant which is a flammable refrigerant and which contains at least 1,2-difluoroethylene (HFO-1132(E)), and includes a compressor (1), a heat-source-side heat exchanger (3), an expansion mechanism (4), a use-side heat exchanger (2), and a decompression mechanism (7). The decompression mechanism (7) decompresses, between an inlet and an outlet of the heat-source-side heat exchanger (3), the mixed refrigerant flowing through the heat-source-side heat exchanger (3) that functions as an evaporator.
Description
- The present disclosure relates to a refrigeration cycle.
- PTL 1 (Japanese Unexamined Patent Application Publication No. 57-198968) discloses a refrigeration cycle using a nonazeotropic mixed refrigerant.
- In a refrigeration cycle using a nonazeotropic mixed refrigerant, when a refrigerant is evaporated under a constant pressure in a heat-source-side heat exchanger, the capacity of heat exchange is not sufficiently provided.
- A refrigeration cycle according to a first aspect is a refrigeration cycle using a mixed refrigerant which is a flammable refrigerant and which contains at least 1,2-difluoroethylene (HFO-1132(E)), and includes a compressor, a heat-source-side heat exchanger, an expansion mechanism, a use-side heat exchanger, and a decompression mechanism. The decompression mechanism decompresses, between an inlet and an outlet of the heat-source-side heat exchanger, the mixed refrigerant flowing through the heat-source-side heat exchanger that functions as an evaporator.
- In this case, when the refrigerant evaporates in the heat-source-side heat exchanger, the decompression mechanism decreases the pressure of the refrigerant in the middle. Accordingly, the difference in evaporation temperature between the inlet and the outlet of the heat-source-side heat exchanger generated when the refrigerant is evaporated under the constant pressure can be decreased. Consequently, the capacity of heat exchange can be ensured, and the performance of the refrigeration cycle can be increased.
- A refrigeration cycle according to a second aspect is the refrigeration cycle according to the first aspect, in which the decompression mechanism decompresses the mixed refrigerant flowing through the heat-source-side heat exchanger in accordance with a temperature gradient of the mixed refrigerant.
- A refrigeration cycle according to a third aspect is the refrigeration cycle according to the first aspect or the second aspect, in which the heat-source-side heat exchanger includes a first heat exchange section and a second heat exchange section. The decompression mechanism is disposed between the first heat exchange section and the second heat exchange section.
- A refrigeration cycle according to a fourth aspect is the refrigeration cycle according to any one of the first aspect to the fourth aspect, in which the use-side heat exchanger is disposed in a use unit. The use-side heat exchanger includes a third heat exchange section located on a front-surface side of the use unit, and a fourth heat exchange section located on a rear-surface side of the use unit. An upper portion of the fourth heat exchange section is located near an upper portion of the third heat exchange section. The third heat exchange section extends obliquely downward from the upper portion thereof toward the front-surface side of the use unit. The fourth heat exchange section extends obliquely downward from the upper portion thereof toward the rear-surface side of the use unit. A capacity of a refrigerant flow path of the third heat exchange section is larger than a capacity of a refrigerant flow path of the fourth heat exchange section.
- In this case, the capacity of the refrigerant flow path of the third heat exchange section located on the front-surface side of the use unit is larger than the capacity of the refrigerant flow path of the fourth heat exchange section. Accordingly, the third heat exchange section having a larger capacity of the refrigerant flow path exchanges more heat between the mixed refrigerant and the air on the front-surface side of the use unit of which the velocity of the air passing through the heat exchange section tends to be high.
- A refrigeration cycle according to a 5th aspect is the refrigeration cycle according to any of the 1st through 4th aspects, wherein, the refrigerant comprises trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), and 2,3,3,3-tetrafluoro-1-propene (R1234yf).
- In this refrigeration cycle, the capacity of heat exchange can be increased when a refrigerant having a sufficiently low GWP, a refrigeration capacity (may also be referred to as a cooling capacity or a capacity) and a coefficient of performance (COP) equal to those of R410A is used.
- A refrigeration cycle according to a 6th aspect is the refrigeration cycle according to the 5th aspect, wherein, when the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments AA′, A′B, BD, DC′, C′C, CO, and OA that connect the following 7 points:
- point A (68.6, 0.0, 31.4),
point A′ (30.6, 30.0, 39.4),
point B (0.0, 58.7, 41.3),
point D (0.0, 80.4, 19.6),
point C′ (19.5, 70.5, 10.0),
point C (32.9, 67.1, 0.0), and
point O (100.0, 0.0, 0.0),
or on the above line segments (excluding the points on the line segments BD, CO, and OA); - the line segment AA′ is represented by coordinates (x, 0.0016x2−0.9473x+57.497, −0.0016x2−0.0527x+42.503),
- the line segment A′B is represented by coordinates (x, 0.0029x2−1.0268x+58.7, −0.0029x2+0.0268x+41.3),
- the line segment DC′ is represented by coordinates (x, 0.0082x2−0.6671x+80.4, −0.0082x2−0.3329x+19.6),
- the line segment C′C is represented by coordinates (x, 0.0067x2−0.6034x+79.729, −0.0067x2−0.3966x+20.271), and
- the line segments BD, CO, and OA are straight lines.
- A refrigeration cycle according to a 7th aspect is the refrigeration cycle according to the 5th aspect, wherein, when the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments GI, IA, AA′, A′B, BD, DC′, C′C, and CG that connect the following 8 points:
- point G (72.0, 28.0, 0.0),
point I (72.0, 0.0, 28.0),
point A (68.6, 0.0, 31.4),
point A′ (30.6, 30.0, 39.4),
point B (0.0, 58.7, 41.3),
point D (0.0, 80.4, 19.6),
point C′ (19.5, 70.5, 10.0), and
point C (32.9, 67.1, 0.0),
or on the above line segments (excluding the points on the line segments IA, BD, and CG); - the line segment AA′ is represented by coordinates (x, 0.0016x2−0.9473x+57.497, −0.0016x2−0.0527x+42.503),
- the line segment A′B is represented by coordinates (x, 0.0029x2−1.0268x+58.7, −0.0029x2+0.0268x+41.3),
- the line segment DC′ is represented by coordinates (x, 0.0082x2−0.6671x+80.4, −0.0082x2−0.3329x+19.6),
- the line segment C′C is represented by coordinates (x, 0.0067x2−0.6034x+79.729, −0.0067x2−0.3966x+20.271), and
- the line segments GI, IA, BD, and CG are straight lines.
- A refrigeration cycle according to a 8th aspect is the refrigeration cycle according to the 5th aspect, wherein, when the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments JP, PN, NK, KA′, A′B, BD, DC′, C′C, and CJ that connect the following 9 points:
- point J (47.1, 52.9, 0.0),
point P (55.8, 42.0, 2.2),
point N (68.6, 16.3, 15.1),
point K (61.3, 5.4, 33.3),
point A′ (30.6, 30.0, 39.4),
point B (0.0, 58.7, 41.3),
point D (0.0, 80.4, 19.6),
point C′ (19.5, 70.5, 10.0), and
point C (32.9, 67.1, 0.0),
or on the above line segments (excluding the points on the line segments BD and CJ); - the line segment PN is represented by coordinates (x, −0.1135x2+12.112x−280.43, 0.1135x2−13.112x+380.43),
- the line segment NK is represented by coordinates (x, 0.2421x2−29.955x+931.91, −0.2421x2+28.955x−831.91),
- the line segment KA′ is represented by coordinates (x, 0.0016x2−0.9473x+57.497, −0.0016x2−0.0527x+42.503),
- the line segment A′B is represented by coordinates (x, 0.0029x2−1.0268x+58.7, −0.0029x2+0.0268x+41.3),
- the line segment DC′ is represented by coordinates (x, 0.0082x2−0.6671x+80.4, −0.0082x2−0.3329x+19.6),
- the line segment C′C is represented by coordinates (x, 0.0067x2−0.6034x+79.729, −0.0067x2−0.3966x+20.271), and
- the line segments JP, BD, and CG are straight lines.
- A refrigeration cycle according to a 9th aspect is the refrigeration cycle according to the 5th aspect, wherein, when the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments JP, PL, LM, MA′, A′B, BD, DC′, C′C, and CJ that connect the following 9 points:
- point J (47.1, 52.9, 0.0),
point P (55.8, 42.0, 2.2),
point L (63.1, 31.9, 5.0),
point M (60.3, 6.2, 33.5),
point A′ (30.6, 30.0, 39.4),
point B (0.0, 58.7, 41.3),
point D (0.0, 80.4, 19.6),
point C′ (19.5, 70.5, 10.0), and
point C (32.9, 67.1, 0.0),
or on the above line segments (excluding the points on the line segments BD and CJ); - the line segment PL is represented by coordinates (x, −0.1135x2+12.112x−280.43, 0.1135x2−13.112x+380.43)
- the line segment MA′ is represented by coordinates (x, 0.0016x2−0.9473x+57.497, −0.0016x2−0.0527x+42.503),
- the line segment A′B is represented by coordinates (x, 0.0029x2−1.0268x+58.7, −0.0029x2+0.0268x+41.3),
- the line segment DC′ is represented by coordinates (x, 0.0082x2−0.6671x+80.4, −0.0082x2−0.3329x+19.6),
- the line segment C′C is represented by coordinates (x, 0.0067x2−0.6034x+79.729, −0.0067x2−0.3966x+20.271), and
- the line segments JP, LM, BD, and CG are straight lines.
- A refrigeration cycle according to a 10th aspect is the refrigeration cycle according to the 5th aspect, wherein, when the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments PL, LM, MA′, A′B, BF, FT, and TP that connect the following 7 points:
- point P (55.8, 42.0, 2.2),
point L (63.1, 31.9, 5.0),
point M (60.3, 6.2, 33.5),
point A′ (30.6, 30.0, 39.4),
point B (0.0, 58.7, 41.3),
point F (0.0, 61.8, 38.2), and
point T (35.8, 44.9, 19.3),
or on the above line segments (excluding the points on the line segment BF); - the line segment PL is represented by coordinates (x, −0.1135x2+12.112x−280.43, 0.1135x2−13.112x+380.43),
- the line segment MA′ is represented by coordinates (x, 0.0016x2−0.9473x+57.497, −0.0016x2−0.0527x+42.503),
- the line segment A′B is represented by coordinates (x, 0.0029x2−1.0268x+58.7, −0.0029x2+0.0268x+41.3),
- the line segment FT is represented by coordinates (x, 0.0078x2−0.7501x+61.8, −0.0078x2−0.2499x+38.2),
- the line segment TP is represented by coordinates (x, 0.00672x2−0.7607x+63.525, −0.00672x2−0.2393x+36.475), and
- the line segments LM and BF are straight lines.
- A refrigeration cycle according to a 11th aspect is the refrigeration cycle according to the 5th aspect, wherein, when the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments PL, LQ, QR, and RP that connect the following 4 points:
- point P (55.8, 42.0, 2.2),
point L (63.1, 31.9, 5.0),
point Q (62.8, 29.6, 7.6), and
point R (49.8, 42.3, 7.9),
or on the above line segments; - the line segment PL is represented by coordinates (x, −0.1135x2+12.112x−280.43, 0.1135x2−13.112x+380.43),
- the line segment RP is represented by coordinates (x, 0.00672x2−0.7607x+63.525, −0.00672x2−0.2393x+36.475), and
- the line segments LQ and QR are straight lines.
- A refrigeration cycle according to a 12th aspect is the refrigeration cycle according to the 5th aspect, wherein, when the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments SM, MA′, A′B, BF, FT, and TS that connect the following 6 points:
- point S (62.6, 28.3, 9.1),
point M (60.3, 6.2, 33.5),
point A′ (30.6, 30.0, 39.4),
point B (0.0, 58.7, 41.3),
point F (0.0, 61.8, 38.2), and
point T (35.8, 44.9, 19.3),
or on the above line segments, - the line segment MA′ is represented by coordinates (x, 0.0016x2−0.9473x+57.497, −0.0016x2−0.0527x+42.503),
- the line segment A′B is represented by coordinates (x, 0.0029x2−1.0268x+58.7, −0.0029x2+0.0268x+41.3),
- the line segment FT is represented by coordinates (x, 0.0078x2−0.7501x+61.8, −0.0078x2−0.2499x+38.2),
- the line segment TS is represented by coordinates (x, −0.0017x2−0.7869x+70.888, −0.0017x2−0.2131x+29.112), and
- the line segments SM and BF are straight lines.
- A refrigeration cycle according to a 13th aspect is the refrigeration cycle according to any of the 1st through 4th aspects, wherein, the refrigerant comprises trans-1,2-difluoroethylene (HFO-1132(E)) and trifluoroethylene (HFO-1123) in a total amount of 99.5 mass % or more based on the entire refrigerant, and
- the refrigerant comprises 62.0 mass % to 72.0 mass % of HFO-1132(E) based on the entire refrigerant.
- In this refrigeration cycle, the capacity of heat exchange can be increased when a refrigerant having a sufficiently low GWP, a refrigeration capacity (may also be referred to as a cooling capacity or a capacity) and a coefficient of performance (COP) equal to those of R410A and classified with lower flammability (Class 2L) in the standard of The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) is used.
- A refrigeration cycle according to a 14th aspect is the refrigeration cycle according to any of the 1st through 4th aspects, wherein, the refrigerant comprises HFO-1132(E) and HFO-1123 in a total amount of 99.5 mass % or more based on the entire refrigerant, and
- the refrigerant comprises 45.1 mass % to 47.1 mass % of HFO-1132(E) based on the entire refrigerant.
- In this refrigeration cycle, the capacity of heat exchange can be increased when a refrigerant having a sufficiently low GWP, a refrigeration capacity (may also be referred to as a cooling capacity or a capacity) and a coefficient of performance (COP) equal to those of R410A and classified with lower flammability (Class 2L) in the standard of The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) is used.
- A refrigeration cycle according to a 15th aspect is the refrigeration cycle according to any of the 1st through 4th aspects, wherein, the refrigerant comprises trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), 2,3,3,3-tetrafluoro-1-propene (R1234yf), and difluoromethane (R32),
- wherein
- when the mass % of HFO-1132(E), HFO-1123, R1234yf, and R32 based on their sum in the refrigerant is respectively represented by x, y, z, and a,
- if 0<a≤11.1, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is (100−a) mass % are within the range of a figure surrounded by straight lines GI, IA, AB, BD′, D′C, and CG that connect the following 6 points:
- point G (0.026a2−1.7478a+72.0, −0.026a2+0.7478a+28.0, 0.0),
point I (0.026a2−1.7478a+72.0, 0.0, −0.026a2+0.7478a+28.0),
point A (0.0134a2−1.9681a+68.6, 0.0, −0.0134a2+0.9681a+31.4),
point B (0.0, 0.0144a2−1.6377a+58.7, −0.0144a2+0.6377a+41.3),
point D′ (0.0, 0.0224a2+0.968a+75.4, −0.0224a2−1.968a+24.6), and
point C (−0.2304a2−0.4062a+32.9, 0.2304a2−0.5938a+67.1, 0.0),
or on the straight lines GI, AB, and D′C (excluding point G, point I, point A, point B, point D′, and point C); - if 11.1<a≤18.2, coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines GI, IA, AB, BW, and WG that connect the following 5 points:
- point G (0.02a2−1.6013a+71.105, −0.02a2+0.6013a+28.895, 0.0),
point I (0.02a2−1.6013a+71.105, 0.0, −0.02a2+0.6013a+28.895),
point A (0.0112a2−1.9337a+68.484, 0.0, −0.0112a2+0.9337a+31.516),
point B (0.0, 0.0075a2−1.5156a+58.199, −0.0075a2+0.5156a+41.801), and
point W (0.0, 100.0−a, 0.0),
or on the straight lines GI and AB (excluding point G, point I, point A, point B, and point W); - if 18.2<a≤26.7, coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines GI, IA, AB, BW, and WG that connect the following 5 points:
- point G (0.0135a2−1.4068a+69.727, −0.0135a2+0.4068a+30.273, 0.0),
point I (0.0135a2−1.4068a+69.727, 0.0, −0.0135a2+0.4068a+30.273),
point A (0.0107a2−1.9142a+68.305, 0.0, −0.0107a2+0.9142a+31.695),
point B (0.0, 0.009a2−1.6045a+59.318, −0.009a2+0.6045a+40.682), and
point W (0.0, 100.0−a, 0.0),
or on the straight lines GI and AB (excluding point G, point I, point A, point B, and point W); - if 26.7<a≤36.7, coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines GI, IA, AB, BW, and WG that connect the following 5 points:
- point G (0.0111a2−1.3152a+68.986, −0.0111a2+0.3152a+31.014, 0.0),
point I (0.0111a2−1.3152a+68.986, 0.0, −0.0111a2+0.3152a+31.014),
point A (0.0103a2−1.9225a+68.793, 0.0, −0.0103a2+0.9225a+31.207),
point B (0.0, 0.0046a2−1.41a+57.286, −0.0046a2+0.41a+42.714), and
point W (0.0, 100.0−a, 0.0),
or on the straight lines GI and AB (excluding point G, point I, point A, point B, and point W); and - if 36.7<a≤46.7, coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines GI, IA, AB, BW, and WG that connect the following 5 points:
- point G (0.0061a2−0.9918a+63.902, −0.0061a2−0.0082a+36.098, 0.0),
point I (0.0061a2−0.9918a+63.902, 0.0, −0.0061a2−0.0082a+36.098),
point A (0.0085a2−1.8102a+67.1, 0.0, −0.0085a2+0.8102a+32.9),
point B (0.0, 0.0012a2−1.1659a+52.95, −0.0012a2+0.1659a+47.05), and
point W (0.0, 100.0−a, 0.0),
or on the straight lines GI and AB (excluding point G, point I, point A, point B, and point W). - In this refrigeration cycle, the capacity of heat exchange can be increased when a refrigerant having a sufficiently low GWP, a refrigeration capacity (may also be referred to as a cooling capacity or a capacity) and a coefficient of performance (COP) equal to those of R410A is used.
- A refrigeration cycle according to a 16th aspect is the refrigeration cycle according to any of the 1st through 4th aspects, wherein, the refrigerant comprises trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), 2,3,3,3-tetrafluoro-1-propene (R1234yf), and difluoromethane (R32),
- wherein
- when the mass % of HFO-1132(E), HFO-1123, R1234yf, and R32 based on their sum in the refrigerant is respectively represented by x, y, z, and a,
- if 0<a≤11.1, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is (100−a) mass % are within the range of a figure surrounded by straight lines JK′, K′B, BD′, D′C, and CJ that connect the following 5 points:
- point J (0.0049a2−0.9645a+47.1, −0.0049a2−0.0355a+52.9, 0.0),
point K′ (0.0514a2−2.4353a+61.7, −0.0323a2+0.4122a+5.9, −0.0191a2+1.0231a+32.4),
point B (0.0, 0.0144a2−1.6377a+58.7, −0.0144a2+0.6377a+41.3),
point D′ (0.0, 0.0224a2+0.968a+75.4, −0.0224a2−1.968a+24.6), and
point C (−0.2304a2−0.4062a+32.9, 0.2304a2−0.5938a+67.1, 0.0),
or on the straight lines JK′, K′B, and D′C (excluding point J, point B, point D′, and point C); - if 11.1<a≤18.2, coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines JK′, K′B, BW, and WJ that connect the following 4 points:
- point J (0.0243a2−1.4161a+49.725, −0.0243a2+0.4161a+50.275, 0.0),
point K′ (0.0341a2−2.1977a+61.187, −0.0236a2+0.34a+5.636, −0.0105a2+0.8577a+33.177),
point B (0.0, 0.0075a2−1.5156a+58.199, −0.0075a2+0.5156a+41.801), and
point W (0.0, 100.0−a, 0.0),
or on the straight lines JK′ and K′B (excluding point J, point B, and point W); - if 18.2<a≤26.7, coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines JK′, K′B, BW, and WJ that connect the following 4 points:
- point J (0.0246a2−1.4476a+50.184, −0.0246a2+0.4476a+49.816, 0.0),
point K′ (0.0196a2−1.7863a+58.515, −0.0079a2−0.1136a+8.702, −0.0117a2+0.8999a+32.783),
point B (0.0, 0.009a2−1.6045a+59.318, −0.009a2+0.6045a+40.682), and
point W (0.0, 100.0−a, 0.0),
or on the straight lines JK′ and K′B (excluding point J, point B, and point W); - if 26.7<a≤36.7, coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines JK′, K′A, AB, BW, and WJ that connect the following 5 points:
- point J (0.0183a2−1.1399a+46.493, −0.0183a2+0.1399a+53.507, 0.0),
point K′ (−0.0051a2+0.0929a+25.95, 0.0, 0.0051a2−1.0929a+74.05),
point A (0.0103a2−1.9225a+68.793, 0.0, −0.0103a2+0.9225a+31.207),
point B (0.0, 0.0046a2−1.41a+57.286, −0.0046a2+0.41a+42.714), and point W (0.0, 100.0−a, 0.0),
or on the straight lines JK′, K′A, and AB (excluding point J, point B, and point W); and - if 36.7<a≤46.7, coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines JK′, K′A, AB, BW, and WJ that connect the following 5 points:
- point J (−0.0134a2+1.0956a+7.13, 0.0134a2−2.0956a+92.87, 0.0),
point K′ (−1.892a+29.443, 0.0, 0.892a+70.557),
point A (0.0085a2−1.8102a+67.1, 0.0, −0.0085a2+0.8102a+32.9),
point B (0.0, 0.0012a2−1.1659a+52.95, −0.0012a2+0.1659a+47.05), and
point W (0.0, 100.0−a, 0.0),
or on the straight lines JK′, K′A, and AB (excluding point J, point B, and point W). - In this refrigeration cycle, the capacity of heat exchange can be increased when a refrigerant having a sufficiently low GWP, a refrigeration capacity (may also be referred to as a cooling capacity or a capacity) and a coefficient of performance (COP) equal to those of R410A is used.
- A refrigeration cycle according to a 17th aspect is the refrigeration cycle according to any of the 1st through 4th aspects, wherein the refrigerant comprises trans-1,2-difluoroethylene (HFO-1132(E)), difluoromethane(R32), and 2,3,3,3-tetrafluoro-1-propene (R1234yf),
- wherein
- when the mass % of HFO-1132(E), R32, and R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), R32, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments IJ, JN, NE, and EI that connect the following 4 points:
- point I (72.0, 0.0, 28.0),
point J (48.5, 18.3, 33.2),
point N (27.7, 18.2, 54.1), and
point E (58.3, 0.0, 41.7),
or on these line segments (excluding the points on the line segment EI; - the line segment IJ is represented by coordinates (0.0236y2−1.7616y+72.0, y, −0.0236y2+0.7616y+28.0);
- the line segment NE is represented by coordinates (0.012y2−1.9003y+58.3, y, −0.012y2+0.9003y+41.7); and
- the line segments JN and EI are straight lines.
- In this refrigeration cycle, the capacity of heat exchange can be increased when a refrigerant having a sufficiently low GWP, a refrigeration capacity (may also be referred to as a cooling capacity or a capacity) equal to those of R410A and classified with lower flammability (Class 2L) in the standard of The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) is used.
- A refrigeration cycle according to a 18th aspect is the refrigeration cycle according to any of the 1st through 4th aspects, wherein the refrigerant comprises HFO-1132(E), R32, and R1234yf,
- wherein
- when the mass % of HFO-1132(E), R32, and R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), R32, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments MM′, MN, NV, VG, and GM that connect the following 5 points:
- point M (52.6, 0.0, 47.4),
point M′(39.2, 5.0, 55.8),
point N (27.7, 18.2, 54.1),
point V (11.0, 18.1, 70.9), and
point G (39.6, 0.0, 60.4),
or on these line segments (excluding the points on the line segment GM); - the line segment MM′ is represented by coordinates (0.132y2−3.34y+52.6, y, −0.132y2+2.34y+47.4);
- the line segment M′N is represented by coordinates (0.0596y2−2.2541y+48.98, y, −0.0596y2+1.2541y+51.02);
- the line segment VG is represented by coordinates (0.0123y2−1.8033y+39.6, y, −0.0123y2+0.8033y+60.4); and
- the line segments NV and GM are straight lines.
- In this refrigeration cycle, the capacity of heat exchange can be increased when a refrigerant having a sufficiently low GWP, a refrigeration capacity (may also be referred to as a cooling capacity or a capacity) equal to those of R410A and classified with lower flammability (Class 2L) in the standard of The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) is used.
- A refrigeration cycle according to a 19th aspect is the refrigeration cycle according to any of the 1st through 4th aspects, wherein the refrigerant comprises HFO-1132(E), R32, and R1234yf,
- wherein
- when the mass % of HFO-1132(E), R32, and R1234yf based on their sum in the refrigerant is respectively represented by x, y and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), R32, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments ON, NU, and UO that connect the following 3 points:
- point O (22.6, 36.8, 40.6),
point N (27.7, 18.2, 54.1), and
point U (3.9, 36.7, 59.4),
or on these line segments; - the line segment ON is represented by coordinates (0.0072y2−0.6701y+37.512, y, −0.0072y2−0.3299y+62.488);
- the line segment NU is represented by coordinates (0.0083y2−1.7403y+56.635, y, −0.0083y2+0.7403y+43.365); and
- the line segment UO is a straight line.
- In this refrigeration cycle, the capacity of heat exchange can be increased when a refrigerant having a sufficiently low GWP, a refrigeration capacity (may also be referred to as a cooling capacity or a capacity) equal to those of R410A and classified with lower flammability (Class 2L) in the standard of The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) is used.
- A refrigeration cycle according to a 20th aspect is the refrigeration cycle according to any of the 1st through 4th aspects, wherein the refrigerant comprises HFO-1132(E), R32, and R1234yf,
- wherein
- when the mass % of HFO-1132(E), R32, and R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), R32, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments QR, RT, TL, LK, and KQ that connect the following 5 points:
- point Q (44.6, 23.0, 32.4),
point R (25.5, 36.8, 37.7),
point T (8.6, 51.6, 39.8),
point L (28.9, 51.7, 19.4), and
point K (35.6, 36.8, 27.6),
or on these line segments; - the line segment QR is represented by coordinates (0.0099y2−1.975y+84.765, y, −0.0099y2+0.975y+15.235);
- the line segment RT is represented by coordinates (0.0082y2−1.8683y+83.126, y, −0.0082y2+0.8683y+16.874);
- the line segment LK is represented by coordinates (0.0049y2−0.8842y+61.488, y, −0.0049y2−0.1158y+38.512);
- the line segment KQ is represented by coordinates (0.0095y2−1.2222y+67.676, y, −0.0095y2+0.2222y+32.324); and
- the line segment TL is a straight line.
- In this refrigeration cycle, the capacity of heat exchange can be increased when a refrigerant having a sufficiently low GWP, a refrigeration capacity (may also be referred to as a cooling capacity or a capacity) equal to those of R410A and classified with lower flammability (Class 2L) in the standard of The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) is used.
- A refrigeration cycle according to a 21st aspect is the refrigeration cycle according to any of the 1st through 4th aspects, wherein the refrigerant comprises HFO-1132(E), R32, and R1234yf,
- wherein
- when the mass % of HFO-1132(E), R32, and R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), R32, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments PS, ST, and TP that connect the following 3 points:
- point P (20.5, 51.7, 27.8),
point S (21.9, 39.7, 38.4), and
point T (8.6, 51.6, 39.8),
or on these line segments; - the line segment PS is represented by coordinates (0.0064y2−0.7103y+40.1, y, −0.0064y2−0.2897y+59.9);
- the line segment ST is represented by coordinates (0.0082y2−1.8683y+83.126, y, −0.0082y2+0.8683y+16.874); and
- the line segment TP is a straight line.
- In this refrigeration cycle, the capacity of heat exchange can be increased when a refrigerant having a sufficiently low GWP, a refrigeration capacity (may also be referred to as a cooling capacity or a capacity) equal to those of R410A and classified with lower flammability (Class 2L) in the standard of The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) is used.
- A refrigeration cycle according to a 22nd aspect is the refrigeration cycle according to any of the 1st through 4th aspects, wherein the refrigerant comprises trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), and difluoromethane (R32),
- wherein
- when the mass % of HFO-1132(E), HFO-1123, and R32 based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R32 is 100 mass % are within the range of a figure surrounded by line segments IK, KB′, B′H, HR, RG, and GI that connect the following 6 points:
- point I (72.0, 28.0, 0.0),
point K (48.4, 33.2, 18.4),
point B′ (0.0, 81.6, 18.4),
point H (0.0, 84.2, 15.8),
point R (23.1, 67.4, 9.5), and
point G (38.5, 61.5, 0.0),
or on these line segments (excluding the points on the line segments B′H and GI); - the line segment IK is represented by coordinates (0.025z2−1.7429z+72.00, −0.025z2+0.7429z+28.0, z),
- the line segment HR is represented by coordinates (−0.3123z2+4.234z+11.06, 0.3123z2−5.234z+88.94, z),
- the line segment RG is represented by coordinates (−0.0491z2−1.1544z+38.5, 0.0491z2+0.1544z+61.5, z), and
- the line segments KB′ and GI are straight lines.
- In this refrigeration cycle, the capacity of heat exchange can be increased when a refrigerant having a sufficiently low GWP, and a coefficient of performance (COP) equal to that of R410A is used.
- A refrigeration cycle according to a 23rd aspect is the refrigeration cycle according to any of the 1st through 4th aspects, wherein the refrigerant comprises HFO-1132(E), HFO-1123, and R32,
- wherein
- when the mass % of HFO-1132(E), HFO-1123, and R32 based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R32 is 100 mass % are within the range of a figure surrounded by line segments IJ, JR, RG, and GI that connect the following 4 points:
- point I (72.0, 28.0, 0.0),
point J (57.7, 32.8, 9.5),
point R (23.1, 67.4, 9.5), and
point G (38.5, 61.5, 0.0),
or on these line segments (excluding the points on the line segment GI); - the line segment IJ is represented by coordinates (0.025z2−1.7429z+72.0, −0.025z2+0.7429z+28.0, z),
- the line segment RG is represented by coordinates (−0.0491z2−1.1544z+38.5, 0.0491z2+0.1544z+61.5, z), and
- the line segments JR and GI are straight lines.
- In this refrigeration cycle, the capacity of heat exchange can be increased when a refrigerant having a sufficiently low GWP, and a coefficient of performance (COP) equal to that of R410A is used.
- A refrigeration cycle according to a 24th aspect is the refrigeration cycle according to any of the 1st through 4th aspects, wherein the refrigerant comprises HFO-1132(E), HFO-1123, and R32,
- wherein
- when the mass % of HFO-1132(E), HFO-1123, and R32 based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R32 is 100 mass % are within the range of a figure surrounded by line segments MP, PB′, B′H, HR, RG, and GM that connect the following 6 points:
- point M (47.1, 52.9, 0.0),
point P (31.8, 49.8, 18.4),
point B′ (0.0, 81.6, 18.4),
point H (0.0, 84.2, 15.8),
point R (23.1, 67.4, 9.5), and
point G (38.5, 61.5, 0.0),
or on these line segments (excluding the points on the line segments B′H and GM); - the line segment MP is represented by coordinates (0.0083z2−0.984z+47.1, −0.0083z2−0.016z+52.9, z),
- the line segment HR is represented by coordinates (−0.3123z2+4.234z+11.06, 0.3123z2−5.234z+88.94, z),
- the line segment RG is represented by coordinates (−0.0491z2−1.1544z+38.5, 0.0491z2+0.1544z+61.5, z), and
- the line segments PB′ and GM are straight lines.
- In this refrigeration cycle, the capacity of heat exchange can be increased when a refrigerant having a sufficiently low GWP, and a coefficient of performance (COP) equal to that of R410A is used.
- A refrigeration cycle according to a 25th aspect is the refrigeration cycle according to any of the 1st through 4th aspects, wherein the refrigerant comprises HFO-1132(E), HFO-1123, and R32,
- wherein
- when the mass % of HFO-1132(E), HFO-1123, and R32 based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R32 is 100 mass % are within the range of a figure surrounded by line segments MN, NR, RG, and GM that connect the following 4 points:
- point M (47.1, 52.9, 0.0),
point N (38.5, 52.1, 9.5),
point R (23.1, 67.4, 9.5), and
point G (38.5, 61.5, 0.0),
or on these line segments (excluding the points on the line segment GM); - the line segment MN is represented by coordinates (0.0083z2−0.984z+47.1, −0.0083z2−0.016z+52.9, z),
- the line segment RG is represented by coordinates (−0.0491z2−1.1544z+38.5, 0.0491z2+0.1544z+61.5, z), and
- the line segments JR and GI are straight lines.
- In this refrigeration cycle, the capacity of heat exchange can be increased when a refrigerant having a sufficiently low GWP, and a coefficient of performance (COP) equal to that of R410A is used.
- A refrigeration cycle according to a 26th aspect is the refrigeration cycle according to any of the 1st through 4th aspects, wherein the refrigerant comprises HFO-1132(E), HFO-1123, and R32,
- wherein
- when the mass % of HFO-1132(E), HFO-1123, and R32 based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R32 is 100 mass % are within the range of a figure surrounded by line segments PS, ST, and TP that connect the following 3 points:
- point P (31.8, 49.8, 18.4),
point S (25.4, 56.2, 18.4), and
point T (34.8, 51.0, 14.2),
or on these line segments; - the line segment ST is represented by coordinates (−0.0982z2+0.9622z+40.931, 0.0982z2−1.9622z+59.069, z),
- the line segment TP is represented by coordinates (0.0083z2−0.984z+47.1, −0.0083z2−0.016z+52.9, z), and
- the line segment PS is a straight line.
- In this refrigeration cycle, the capacity of heat exchange can be increased when a refrigerant having a sufficiently low GWP, and a coefficient of performance (COP) equal to that of R410A is used.
- A refrigeration cycle according to a 27th aspect is the refrigeration cycle according to any of the 1st through 4th aspects, wherein the refrigerant comprises HFO-1132(E), HFO-1123, and R32,
- wherein
- when the mass % of HFO-1132(E), HFO-1123, and R32 based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R32 is 100 mass % are within the range of a figure surrounded by line segments QB″, B″D, DU, and UQ that connect the following 4 points:
- point Q (28.6, 34.4, 37.0),
point B″ (0.0, 63.0, 37.0),
point D (0.0, 67.0, 33.0), and
point U (28.7, 41.2, 30.1),
or on these line segments (excluding the points on the line segment B″D); - the line segment DU is represented by coordinates (−3.4962z2+210.71z−3146.1, 3.4962z2−211.71z+3246.1, z),
- the line segment UQ is represented by coordinates (0.0135z2−0.9181z+44.133, −0.0135z2−0.0819z+55.867, z), and
- the line segments QB″ and B″D are straight lines.
- In this refrigeration cycle, the capacity of heat exchange can be increased when a refrigerant having a sufficiently low GWP, and a coefficient of performance (COP) equal to that of R410A is used.
-
FIG. 1 is a schematic view of an instrument used for a flammability test. -
FIG. 2 is a diagram showing points A to T and line segments that connect these points in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass %. -
FIG. 3 is a diagram showing points A to C, D′, G, I, J, and K′, and line segments that connect these points to each other in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is (100−a) mass %. -
FIG. 4 is a diagram showing points A to C, D′, G, I, J, and K′, and line segments that connect these points to each other in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 92.9 mass % (the content of R32 is 7.1 mass %). -
FIG. 5 is a diagram showing points A to C, D′, G, I, J, K′, and W, and line segments that connect these points to each other in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 88.9 mass % (the content of R32 is 11.1 mass %). -
FIG. 6 is a diagram showing points A, B, G, I, J, K′, and W, and line segments that connect these points to each other in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 85.5 mass % (the content of R32 is 14.5 mass %). -
FIG. 7 is a diagram showing points A, B, G, I, J, K′, and W, and line segments that connect these points to each other in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 81.8 mass % (the content of R32 is 18.2 mass %). -
FIG. 8 is a diagram showing points A, B, G, I, J, K′, and W, and line segments that connect these points to each other in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 78.1 mass % (the content of R32 is 21.9 mass %). -
FIG. 9 is a diagram showing points A, B, G, I, J, K′, and W, and line segments that connect these points to each other in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 73.3 mass % (the content of R32 is 26.7 mass %). -
FIG. 10 is a diagram showing points A, B, G, I, J, K′, and W, and line segments that connect these points to each other in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 70.7 mass % (the content of R32 is 29.3 mass %). -
FIG. 11 is a diagram showing points A, B, G, I, J, K′, and W, and line segments that connect these points to each other in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 63.3 mass % (the content of R32 is 36.7 mass %). -
FIG. 12 is a diagram showing points A, B, G, I, J, K′, and W, and line segments that connect these points to each other in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 55.9 mass % (the content of R32 is 44.1 mass %). -
FIG. 13 is a diagram showing points A, B, G, I, J, K′, and W, and line segments that connect these points to each other in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 52.2 mass % (the content of R32 is 47.8 mass %). -
FIG. 14 is a view showing points A to C, E, G, and I to W; and line segments that connect points A to C, E, G, and I to W in a ternary composition diagram in which the sum of HFO-1132(E), R32, and R1234yf is 100 mass %. -
FIG. 15 is a view showing points A to U; and line segments that connect the points in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R32 is 100 mass %. -
FIG. 16 is a refrigerant circuit diagram illustrating a refrigeration cycle according to a first embodiment. -
FIG. 17 is a vertical sectional view of a use unit. -
FIG. 18 is a Mollier diagram indicating an operating state of the refrigeration cycle according to the first embodiment. -
FIG. 19 is a refrigerant circuit diagram illustrating a refrigeration cycle according to a second embodiment. - In the present specification, the term “refrigerant” includes at least compounds that are specified in ISO 817 (International Organization for Standardization), and that are given a refrigerant number (ASHRAE number) representing the type of refrigerant with “R” at the beginning; and further includes refrigerants that have properties equivalent to those of such refrigerants, even though a refrigerant number is not yet given. Refrigerants are broadly divided into fluorocarbon compounds and non-fluorocarbon compounds in terms of the structure of the compounds. Fluorocarbon compounds include chlorofluorocarbons (CFC), hydrochlorofluorocarbons (HCFC), and hydrofluorocarbons (HFC). Non-fluorocarbon compounds include propane (R290), propylene (R1270), butane (R600), isobutane (R600a), carbon dioxide (R744), ammonia (R717), and the like.
- In the present specification, the phrase “composition comprising a refrigerant” at least includes (1) a refrigerant itself (including a mixture of refrigerants), (2) a composition that further comprises other components and that can be mixed with at least a refrigeration oil to obtain a working fluid for a refrigerating machine, and (3) a working fluid for a refrigerating machine containing a refrigeration oil. In the present specification, of these three embodiments, the composition (2) is referred to as a “refrigerant composition” so as to distinguish it from a refrigerant itself (including a mixture of refrigerants). Further, the working fluid for a refrigerating machine (3) is referred to as a “refrigeration oil-containing working fluid” so as to distinguish it from the “refrigerant composition.”
- In the present specification, when the term “alternative” is used in a context in which the first refrigerant is replaced with the second refrigerant, the first type of “alternative” means that equipment designed for operation using the first refrigerant can be operated using the second refrigerant under optimum conditions, optionally with changes of only a few parts (at least one of the following: refrigeration oil, gasket, packing, expansion valve, dryer, and other parts) and equipment adjustment. In other words, this type of alternative means that the same equipment is operated with an alternative refrigerant. Embodiments of this type of “alternative” include “drop-in alternative,” “nearly drop-in alternative,” and “retrofit,” in the order in which the extent of changes and adjustment necessary for replacing the first refrigerant with the second refrigerant is smaller.
- The term “alternative” also includes a second type of “alternative,” which means that equipment designed for operation using the second refrigerant is operated for the same use as the existing use with the first refrigerant by using the second refrigerant. This type of alternative means that the same use is achieved with an alternative refrigerant.
- In the present specification, the term “refrigerating machine” refers to machines in general that draw heat from an object or space to make its temperature lower than the temperature of ambient air, and maintain a low temperature. In other words, refrigerating machines refer to conversion machines that gain energy from the outside to do work, and that perform energy conversion, in order to transfer heat from where the temperature is lower to where the temperature is higher.
- In the present specification, a refrigerant having a “WCF lower flammability” means that the most flammable composition (worst case of formulation for flammability: WCF) has a burning velocity of 10 cm/s or less according to the US ANSI/ASHRAE Standard 34-2013. Further, in the present specification, a refrigerant having “ASHRAE lower flammability” means that the burning velocity of WCF is 10 cm/s or less, that the most flammable fraction composition (worst case of fractionation for flammability: WCFF), which is specified by performing a leakage test during storage, shipping, or use based on ANSI/ASHRAE 34-2013 using WCF, has a burning velocity of 10 cm/s or less, and that flammability classification according to the US ANSI/ASHRAE Standard 34-2013 is determined to classified as be “Class 2L.”
- In the present specification, a refrigerant having an “RCL of x % or more” means that the refrigerant has a refrigerant concentration limit (RCL), calculated in accordance with the US ANSI/ASHRAE Standard 34-2013, of x % or more. RCL refers to a concentration limit in the air in consideration of safety factors. RCL is an index for reducing the risk of acute toxicity, suffocation, and flammability in a closed space where humans are present. RCL is determined in accordance with the ASHRAE Standard. More specifically, RCL is the lowest concentration among the acute toxicity exposure limit (ATEL), the oxygen deprivation limit (ODL), and the flammable concentration limit (FCL), which are respectively calculated in accordance with sections 7.1.1, 7.1.2, and 7.1.3 of the ASHRAE Standard.
- In the present specification, temperature glide refers to an absolute value of the difference between the initial temperature and the end temperature in the phase change process of a composition containing the refrigerant of the present disclosure in the heat exchanger of a refrigerant system.
- Any one of various refrigerants such as refrigerant A, refrigerant B, refrigerant C, refrigerant D, and refrigerant E, details of these refrigerant are to be mentioned later, can be used as the refrigerant.
- The refrigerant according to the present disclosure can be preferably used as a working fluid in a refrigerating machine.
- The composition according to the present disclosure is suitable for use as an alternative refrigerant for HFC refrigerant such as R410A, R407C and R404 etc, or HCFC refrigerant such as R22 etc.
- The refrigerant composition according to the present disclosure comprises at least the refrigerant according to the present disclosure, and can be used for the same use as the refrigerant according to the present disclosure. Moreover, the refrigerant composition according to the present disclosure can be further mixed with at least a refrigeration oil to thereby obtain a working fluid for a refrigerating machine.
- The refrigerant composition according to the present disclosure further comprises at least one other component in addition to the refrigerant according to the present disclosure. The refrigerant composition according to the present disclosure may comprise at least one of the following other components, if necessary. As described above, when the refrigerant composition according to the present disclosure is used as a working fluid in a refrigerating machine, it is generally used as a mixture with at least a refrigeration oil. Therefore, it is preferable that the refrigerant composition according to the present disclosure does not substantially comprise a refrigeration oil. Specifically, in the refrigerant composition according to the present disclosure, the content of the refrigeration oil based on the entire refrigerant composition is preferably 0 to 1 mass %, and more preferably 0 to 0.1 mass %.
- The refrigerant composition according to the present disclosure may contain a small amount of water. The water content of the refrigerant composition is preferably 0.1 mass % or less based on the entire refrigerant. A small amount of water contained in the refrigerant composition stabilizes double bonds in the molecules of unsaturated fluorocarbon compounds that can be present in the refrigerant, and makes it less likely that the unsaturated fluorocarbon compounds will be oxidized, thus increasing the stability of the refrigerant composition.
- A tracer is added to the refrigerant composition according to the present disclosure at a detectable concentration such that when the refrigerant composition has been diluted, contaminated, or undergone other changes, the tracer can trace the changes.
- The refrigerant composition according to the present disclosure may comprise a single tracer, or two or more tracers.
- The tracer is not limited, and can be suitably selected from commonly used tracers. Preferably, a compound that cannot be an impurity inevitably mixed in the refrigerant of the present disclosure is selected as the tracer.
- Examples of tracers include hydrofluorocarbons, hydrochlorofluorocarbons, chlorofluorocarbons, hydrochlorocarbons, fluorocarbons, deuterated hydrocarbons, deuterated hydrofluorocarbons, perfluorocarbons, fluoroethers, brominated compounds, iodinated compounds, alcohols, aldehydes, ketones, and nitrous oxide (N2O). The tracer is particularly preferably a hydrofluorocarbon, a hydrochlorofluorocarbon, a chlorofluorocarbon, a fluorocarbon, a hydrochlorocarbon, a fluorocarbon, or a fluoroether.
- The following compounds are preferable as the tracer.
- FC-14 (tetrafluoromethane, CF4)
HCC-40 (chloromethane, CH3Cl)
HFC-23 (trifluoromethane, CHF3)
HFC-41 (fluoromethane, CH3Cl)
HFC-125 (pentafluoroethane, CF3CHF2)
HFC-134a (1,1,1,2-tetrafluoroethane, CF3CH2F)
HFC-134 (1,1,2,2-tetrafluoroethane, CHF2CHF2)
HFC-143a (1,1,1-trifluoroethane, CF3CH3)
HFC-143 (1,1,2-trifluoroethane, CHF2CH2F)
HFC-152a (1,1-difluoroethane, CHF2CH3)
HFC-152 (1,2-difluoroethane, CH2FCH2F)
HFC-161 (fluoroethane, CH3CH2F)
HFC-245fa (1,1,1,3,3-pentafluoropropane, CF3CH2CHF2)
HFC-236fa (1,1,1,3,3,3-hexafluoropropane, CF3CH2CF3)
HFC-236ea (1,1,1,2,3,3-hexafluoropropane, CF3CHFCHF2)
HFC-227ea (1,1,1,2,3,3,3-heptafluoropropane, CF3CHFCF3)
HCFC-22 (chlorodifluoromethane, CHClF2)
HCFC-31 (chlorofluoromethane, CH2ClF)
CFC-1113 (chlorotrifluoroethylene, CF2=CClF)
HFE-125 (trifluoromethyl-difluoromethyl ether, CF3OCHF2)
HFE-134a (trifluoromethyl-fluoromethyl ether, CF3OCH2F)
HFE-143a (trifluoromethyl-methyl ether, CF3OCH3)
HFE-227ea (trifluoromethyl-tetrafluoroethyl ether, CF3OCHFCF3)
HFE-236fa (trifluoromethyl-trifluoroethyl ether, CF3OCH2CF3) - The tracer compound may be present in the refrigerant composition at a total concentration of about 10 parts per million (ppm) to about 1000 ppm. Preferably, the tracer compound is present in the refrigerant composition at a total concentration of about 30 ppm to about 500 ppm, and most preferably, the tracer compound is present at a total concentration of about 50 ppm to about 300 ppm.
- The refrigerant composition according to the present disclosure may comprise a single ultraviolet fluorescent dye, or two or more ultraviolet fluorescent dyes.
- The ultraviolet fluorescent dye is not limited, and can be suitably selected from commonly used ultraviolet fluorescent dyes.
- Examples of ultraviolet fluorescent dyes include naphthalimide, coumarin, anthracene, phenanthrene, xanthene, thioxanthene, naphthoxanthene, fluorescein, and derivatives thereof. The ultraviolet fluorescent dye is particularly preferably either naphthalimide or coumarin, or both.
- The refrigerant composition according to the present disclosure may comprise a single stabilizer, or two or more stabilizers.
- The stabilizer is not limited, and can be suitably selected from commonly used stabilizers.
- Examples of stabilizers include nitro compounds, ethers, and amines.
- Examples of nitro compounds include aliphatic nitro compounds, such as nitromethane and nitroethane; and aromatic nitro compounds, such as nitro benzene and nitro styrene.
- Examples of ethers include 1,4-dioxane.
- Examples of amines include 2,2,3,3,3-pentafluoropropylamine and diphenylamine.
- Examples of stabilizers also include butylhydroxyxylene and benzotriazole. The content of the stabilizer is not limited. Generally, the content of the stabilizer is preferably 0.01 to 5 mass %, and more preferably 0.05 to 2 mass %, based on the entire refrigerant.
- The refrigerant composition according to the present disclosure may comprise a single polymerization inhibitor, or two or more polymerization inhibitors.
- The polymerization inhibitor is not limited, and can be suitably selected from commonly used polymerization inhibitors.
- Examples of polymerization inhibitors include 4-methoxy-1-naphthol, hydroquinone, hydroquinone methyl ether, dimethyl-t-butylphenol, 2,6-di-tert-butyl-p-cresol, and benzotriazole.
- The content of the polymerization inhibitor is not limited. Generally, the content of the polymerization inhibitor is preferably 0.01 to 5 mass %, and more preferably 0.05 to 2 mass %, based on the entire refrigerant.
- The refrigeration oil-containing working fluid according to the present disclosure comprises at least the refrigerant or refrigerant composition according to the present disclosure and a refrigeration oil, for use as a working fluid in a refrigerating machine. Specifically, the refrigeration oil-containing working fluid according to the present disclosure is obtained by mixing a refrigeration oil used in a compressor of a refrigerating machine with the refrigerant or the refrigerant composition. The refrigeration oil-containing working fluid generally comprises 10 to 50 mass % of refrigeration oil.
- The refrigeration oil is not limited, and can be suitably selected from commonly used refrigeration oils. In this case, refrigeration oils that are superior in the action of increasing the miscibility with the mixture and the stability of the mixture, for example, are suitably selected as necessary.
- The base oil of the refrigeration oil is preferably, for example, at least one member selected from the group consisting of polyalkylene glycols (PAG), polyol esters (POE), and polyvinyl ethers (PVE).
- The refrigeration oil may further contain additives in addition to the base oil. The additive may be at least one member selected from the group consisting of antioxidants, extreme-pressure agents, acid scavengers, oxygen scavengers, copper deactivators, rust inhibitors, oil agents, and antifoaming agents.
- A refrigeration oil with a kinematic viscosity of 5 to 400 cSt at 40° C. is preferable from the standpoint of lubrication.
- The refrigeration oil-containing working fluid according to the present disclosure may further optionally contain at least one additive. Examples of additives include compatibilizing agents described below.
- The refrigeration oil-containing working fluid according to the present disclosure may comprise a single compatibilizing agent, or two or more compatibilizing agents.
- The compatibilizing agent is not limited, and can be suitably selected from commonly used compatibilizing agents.
- Examples of compatibilizing agents include polyoxyalkylene glycol ethers, amides, nitriles, ketones, chlorocarbons, esters, lactones, aryl ethers, fluoroethers, and 1,1,1-trifluoroalkanes. The compatibilizing agent is particularly preferably a polyoxyalkylene glycol ether.
- Hereinafter, the refrigerants A to E, which are the refrigerants used in the present embodiment, will be described in detail.
- In addition, each description of the following refrigerant A, refrigerant B, refrigerant C, refrigerant D, and refrigerant E is each independent. The alphabet which shows a point or a line segment, the number of an Examples, and the number of a comparative examples are all independent of each other among the refrigerant A, the refrigerant B, the refrigerant C, the refrigerant D, and the refrigerant E. For example, the first embodiment of the refrigerant A and the first embodiment of the refrigerant B are different embodiment from each other.
- The refrigerant A according to the present disclosure is a mixed refrigerant comprising trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), and 2,3,3,3-tetrafluoro-1-propene (R1234yf).
- The refrigerant A according to the present disclosure has various properties that are desirable as an R410A-alternative refrigerant, i.e., a refrigerating capacity and a coefficient of performance that are equivalent to those of R410A, and a sufficiently low GWP.
- The refrigerant A according to the present disclosure is a composition comprising HFO-1132(E) and R1234yf, and optionally further comprising HFO-1123, and may further satisfy the following requirements. This refrigerant also has various properties desirable as an alternative refrigerant for R410A; i.e., it has a refrigerating capacity and a coefficient of performance that are equivalent to those of R410A, and a sufficiently low GWP.
- Preferable refrigerant A is as follows:
- When the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments AA′, A′B, BD, DC′, C′C, CO, and OA that connect the following 7 points:
- point A (68.6, 0.0, 31.4),
point A′ (30.6, 30.0, 39.4),
point B (0.0, 58.7, 41.3),
point D (0.0, 80.4, 19.6),
point C′ (19.5, 70.5, 10.0),
point C (32.9, 67.1, 0.0), and
point O (100.0, 0.0, 0.0),
or on the above line segments (excluding the points on the line CO); - the line segment AA′ is represented by coordinates (x, 0.0016x2−0.9473x+57.497, −0.0016x2−0.0527x+42.503),
- the line segment A′B is represented by coordinates (x, 0.0029x2−1.0268x+58.7, −0.0029x2+0.0268x+41.3,
- the line segment DC′ is represented by coordinates (x, 0.0082x2−0.6671x+80.4, −0.0082x2−0.3329x+19.6),
- the line segment C′C is represented by coordinates (x, 0.0067x2−0.6034x+79.729, −0.0067x2−0.3966x+20.271), and the line segments BD, CO, and OA are straight lines.
- When the requirements above are satisfied, the refrigerant according to the present disclosure has a refrigerating capacity ratio of 85% or more relative to that of R410A, and a COP of 92.5% or more relative to that of R410A.
- When the mass % of HFO-1132(E), HFO-1123, and R1234yf, based on their sum in the refrigerant A according to the present disclosure is respectively represented by x, y, and z, the refrigerant is preferably a refrigerant wherein coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within a figure surrounded by line segments GI, IA, AA′, A′B, BD, DC′, C′C, and CG that connect the following 8 points:
- point G (72.0, 28.0, 0.0),
point I (72.0, 0.0, 28.0),
point A (68.6, 0.0, 31.4),
point A′ (30.6, 30.0, 39.4),
point B (0.0, 58.7, 41.3),
point D (0.0, 80.4, 19.6),
point C′ (19.5, 70.5, 10.0), and
point C (32.9, 67.1, 0.0),
or on the above line segments (excluding the points on the line segment CG); - the line segment AA′ is represented by coordinates (x, 0.0016x2−0.9473x+57.497, −0.0016x2−0.0527x+42.503),
- the line segment A′B is represented by coordinates (x, 0.0029x2−1.0268x+58.7, −0.0029x2+0.0268x+41.3),
- the line segment DC′ is represented by coordinates (x, 0.0082x2−0.6671x+80.4, −0.0082x2−0.3329x+19.6),
- the line segment C′C is represented by coordinates (x, 0.0067x2−0.6034x+79.729, −0.0067x2−0.3966x+20.271), and
- the line segments GI, IA, BD, and CG are straight lines.
- When the requirements above are satisfied, the refrigerant A according to the present disclosure has a refrigerating capacity ratio of 85% or more relative to that of R410A, and a COP of 92.5% or more relative to that of R410A; furthermore, the refrigerant A has a WCF lower flammability according to the ASHRAE Standard (the WCF composition has a burning velocity of 10 cm/s or less).
- When the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum in the refrigerant according to the present disclosure is respectively represented by x, y, and z, the refrigerant is preferably a refrigerant wherein coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments JP, PN, NK, KA′, A′B, BD, DC′, C′C, and CJ that connect the following 9 points:
- point J (47.1, 52.9, 0.0),
point P (55.8, 42.0, 2.2),
point N (68.6, 16.3, 15.1),
point K (61.3, 5.4, 33.3),
point A′ (30.6, 30.0, 39.4),
point B (0.0, 58.7, 41.3),
point D (0.0, 80.4, 19.6),
point C′ (19.5, 70.5, 10.0), and
point C (32.9, 67.1, 0.0),
or on the above line segments (excluding the points on the line segment CJ); - the line segment PN is represented by coordinates (x, −0.1135x2+12.112x−280.43, 0.1135x2−13.112x+380.43),
- the line segment NK is represented by coordinates (x, 0.2421x2−29.955x+931.91, −0.2421x2+28.955x−831.91),
- the line segment KA′ is represented by coordinates (x, 0.0016x2−0.9473x+57.497, −0.0016x2−0.0527x+42.503),
- the line segment A′B is represented by coordinates (x, 0.0029x2−1.0268x+58.7, −0.0029x2+0.0268x+41.3),
- the line segment DC′ is represented by coordinates (x, 0.0082x2−0.6671x+80.4, −0.0082x2−0.3329x+19.6),
- the line segment C′C is represented by coordinates (x, 0.0067x2−0.6034x+79.729, −0.0067x2−0.3966x+20.271), and
- the line segments JP, BD, and CG are straight lines.
- When the requirements above are satisfied, the refrigerant A according to the present disclosure has a refrigerating capacity ratio of 85% or more relative to that of R410A, and a COP of 92.5% or more relative to that of R410A; furthermore, the refrigerant exhibits a lower flammability (Class 2L) according to the ASHRAE Standard (the WCF composition and the WCFF composition have a burning velocity of 10 cm/s or less).
- When the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum in the refrigerant according to the present disclosure is respectively represented by x, y, and z, the refrigerant is preferably a refrigerant wherein coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments JP, PL, LM, MA′, A′B, BD, DC′, C′C, and CJ that connect the following 9 points:
- point J (47.1, 52.9, 0.0),
point P (55.8, 42.0, 2.2),
point L (63.1, 31.9, 5.0),
point M (60.3, 6.2, 33.5),
point A′ (30.6, 30.0, 39.4),
point B (0.0, 58.7, 41.3),
point D (0.0, 80.4, 19.6),
point C′ (19.5, 70.5, 10.0), and
point (32.9, 67.1, 0.0),
or on the above line segments (excluding the points on the line segment CJ); - the line segment PL is represented by coordinates (x, −0.1135x2+12.112x−280.43, 0.1135x2−13.112x+380.43),
- the line segment MA′ is represented by coordinates (x, 0.0016x2−0.9473x+57.497, −0.0016x2−0.0527x+42.503),
- the line segment A′B is represented by coordinates (x, 0.0029x2−1.0268x+58.7, −0.0029x2+0.0268x+41.3),
- the line segment DC′ is represented by coordinates (x, 0.0082x2−0.6671x+80.4, −0.0082x2−0.3329x+19.6),
- the line segment C′C is represented by coordinates (x, 0.0067x2−0.6034x+79.729, −0.0067x2−0.3966x+20.271), and
- the line segments JP, LM, BD, and CG are straight lines.
- When the requirements above are satisfied, the refrigerant according to the present disclosure has a refrigerating capacity ratio of 85% or more relative to that of R410A, and a COP of 92.5% or more relative to that of R410A; furthermore, the refrigerant has an RCL of 40 g/m3 or more.
- When the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum in the refrigerant A according to the present disclosure is respectively represented by x, y, and z, the refrigerant is preferably a refrigerant wherein coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments PL, LM, MA′, A′B, BF, FT, and TP that connect the following 7 points:
- point P (55.8, 42.0, 2.2),
point L (63.1, 31.9, 5.0),
point M (60.3, 6.2, 33.5),
point A′ (30.6, 30.0, 39.4),
point B (0.0, 58.7, 41.3),
point F (0.0, 61.8, 38.2), and
point T (35.8, 44.9, 19.3),
or on the above line segments (excluding the points on the line segment BF); - the line segment PL is represented by coordinates (x, −0.1135x2+12.112x−280.43, 0.1135x2−13.112x+380.43),
- the line segment MA′ is represented by coordinates (x, 0.0016x2−0.9473x+57.497, −0.0016x2−0.0527x+42.503),
- the line segment A′B is represented by coordinates (x, 0.0029x2−1.0268x+58.7, −0.0029x2+0.0268x+41.3),
- the line segment FT is represented by coordinates (x, 0.0078x2−0.7501x+61.8, −0.0078x2−0.2499x+38.2),
- the line segment TP is represented by coordinates (x, 0.00672x2−0.7607x+63.525, −0.00672x2−0.2393x+36.475), and
- the line segments LM and BF are straight lines.
- When the requirements above are satisfied, the refrigerant according to the present disclosure has a refrigerating capacity ratio of 85% or more relative to that of R410A, and a COP of 95% or more relative to that of R410A; furthermore, the refrigerant has an RCL of 40 g/m3 or more.
- The refrigerant A according to the present disclosure is preferably a refrigerant wherein when the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments PL, LQ, QR, and RP that connect the following 4 points:
- point P (55.8, 42.0, 2.2),
point L (63.1, 31.9, 5.0),
point Q (62.8, 29.6, 7.6), and
point R (49.8, 42.3, 7.9),
or on the above line segments; - the line segment PL is represented by coordinates (x, −0.1135x2+12.112x−280.43, 0.1135x2−13.112x+380.43),
- the line segment RP is represented by coordinates (x, 0.00672x2−0.7607x+63.525, −0.00672x2−0.2393x+36.475), and
- the line segments LQ and QR are straight lines.
- When the requirements above are satisfied, the refrigerant according to the present disclosure has a COP of 95% or more relative to that of R410A, and an RCL of 40 g/m3 or more, furthermore, the refrigerant has a condensation temperature glide of 1° C. or less.
- The refrigerant A according to the present disclosure is preferably a refrigerant wherein when the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments SM, MA′, A′B, BF, FT, and TS that connect the following 6 points:
- point S (62.6, 28.3, 9.1),
point M (60.3, 6.2, 33.5),
point A′(30.6, 30.0, 39.4),
point B (0.0, 58.7, 41.3),
point F (0.0, 61.8, 38.2), and
point T (35.8, 44.9, 19.3),
or on the above line segments, - the line segment MA′ is represented by coordinates (x, 0.0016x2−0.9473x+57.497, −0.0016x2−0.0527x+42.503),
- the line segment A′B is represented by coordinates (x, 0.0029x2−1.0268x+58.7, −0.0029x2+0.0268x+41.3),
- the line segment FT is represented by coordinates (x, 0.0078x2−0.7501x+61.8, −0.0078x2−0.2499x+38.2),
- the line segment TS is represented by coordinates (x, −0.0017x2−0.7869x+70.888, −0.0017x2−0.2131x+29.112), and
- the line segments SM and BF are straight lines.
- When the requirements above are satisfied, the refrigerant according to the present disclosure has a refrigerating capacity ratio of 85% or more relative to that of R410A, a COP of 95% or more relative to that of R410A, and an RCL of 40 g/m3 or more furthermore, the refrigerant has a discharge pressure of 105% or more relative to that of R410A.
- The refrigerant A according to the present disclosure is preferably a refrigerant wherein when the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments Od, dg, gh, and hO that connect the following 4 points:
- point d (87.6, 0.0, 12.4),
point g (18.2, 55.1, 26.7),
point h (56.7, 43.3, 0.0), and
point o (100.0, 0.0, 0.0),
or on the line segments Od, dg, gh, and hO (excluding the points O and h); - the line segment dg is represented by coordinates (0.0047y2−1.5177y+87.598, y, −0.0047y2+0.5177y+12.402),
- the line segment gh is represented by coordinates (−0.0134z2−1.0825z+56.692, 0.0134z2+0.0825z+43.308, z), and
- the line segments hO and Od are straight lines.
- When the requirements above are satisfied, the refrigerant according to the present disclosure has a refrigerating capacity ratio of 92.5% or more relative to that of R410A, and a COP ratio of 92.5% or more relative to that of R410A.
- The refrigerant A according to the present disclosure is preferably a refrigerant wherein
- when the mass % of HFO-1132(E), HFO-1123, and R1234yf, based on their sum is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments lg, gh, hi, and il that connect the following 4 points:
- point 1 (72.5, 10.2, 17.3),
point g (18.2, 55.1, 26.7),
point h (56.7, 43.3, 0.0), and
point i (72.5, 27.5, 0.0) or
on the line segments lg, gh, and il (excluding the points h and i); - the line segment lg is represented by coordinates (0.0047y2−1.5177y+87.598, y, −0.0047y2+0.5177y+12.402),
- the line gh is represented by coordinates (−0.0134z2−1.0825z+56.692, 0.0134z2+0.0825z+43.308, z), and
- the line segments hi and il are straight lines.
- When the requirements above are satisfied, the refrigerant according to the present disclosure has a refrigerating capacity ratio of 92.5% or more relative to that of R410A, and a COP ratio of 92.5% or more relative to that of R410A; furthermore, the refrigerant has a lower flammability (Class 2L) according to the ASHRAE Standard.
- The refrigerant A according to the present disclosure is preferably a refrigerant wherein
- when the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments Od, de, ef, and fO that connect the following 4 points:
- point d (87.6, 0.0, 12.4),
point e (31.1, 42.9, 26.0),
point f (65.5, 34.5, 0.0), and
point O (100.0, 0.0, 0.0),
or on the line segments Od, de, and ef (excluding thepoints 0 and f); - the line segment de is represented by coordinates (0.0047y2−1.5177y+87.598, y, −0.0047y2+0.5177y+12.402),
- the line segment ef is represented by coordinates (−0.0064z2−1.1565z+65.501, 0.0064z2+0.1565z+34.499, z), and
- the line segments fO and Od are straight lines.
- When the requirements above are satisfied, the refrigerant according to the present disclosure has a refrigerating capacity ratio of 93.5% or more relative to that of R410A, and a COP ratio of 93.5% or more relative to that of R410A.
- The refrigerant A according to the present disclosure is preferably a refrigerant wherein
- when the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum is respectively represented by x, y, and z,
- coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments le, ef, fi, and il that connect the following 4 points:
- point l (72.5, 10.2, 17.3),
point e (31.1, 42.9, 26.0),
point f (65.5, 34.5, 0.0), and
point i (72.5, 27.5, 0.0),
or on the line segments le, ef, and il (excluding the points f and i); - the line segment le is represented by coordinates (0.0047y2−1.5177y+87.598, y, −0.0047y2+0.5177y+12.402),
- the line segment ef is represented by coordinates (−0.0134z2−1.0825z+56.692, 0.0134z2+0.0825z+43.308, z), and
- the line segments fi and il are straight lines.
- When the requirements above are satisfied, the refrigerant according to the present disclosure has a refrigerating capacity ratio of 93.5% or more relative to that of R410A, and a COP ratio of 93.5% or more relative to that of R410A; furthermore, the refrigerant has a lower flammability (Class 2L) according to the ASHRAE Standard.
- The refrigerant A according to the present disclosure is preferably a refrigerant wherein
- when the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum is respectively represented by x, y, and z,
- coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments Oa, ab, bc, and cO that connect the following 4 points:
- point a (93.4, 0.0, 6.6),
point b (55.6, 26.6, 17.8),
point c (77.6, 22.4, 0.0), and
point O (100.0, 0.0, 0.0),
or on the line segments Oa, ab, and bc (excluding thepoints 0 and c); - the line segment ab is represented by coordinates (0.0052y2−1.5588y+93.385, y, −0.0052y2+0.5588y+6.615),
- the line segment bc is represented by coordinates (−0.0032z2−1.1791z+77.593, 0.0032z2+0.1791z+22.407, z), and
- the line segments cO and Oa are straight lines.
- When the requirements above are satisfied, the refrigerant according to the present disclosure has a refrigerating capacity ratio of 95% or more relative to that of R410A, and a COP ratio of 95% or more relative to that of R410A.
- The refrigerant A according to the present disclosure is preferably a refrigerant wherein
- when the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum is respectively represented by x, y, and z,
- coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments kb, bj, and jk that connect the following 3 points:
- point k (72.5, 14.1, 13.4),
point b (55.6, 26.6, 17.8), and
point j (72.5, 23.2, 4.3),
or on the line segments kb, bj, and jk; - the line segment kb is represented by coordinates (0.0052y2−1.5588y+93.385, y, and −0.0052y2+0.5588y+6.615),
- the line segment bj is represented by coordinates (−0.0032z2−1.1791z+77.593, 0.0032z2+0.1791z+22.407, z), and
- the line segment jk is a straight line.
- When the requirements above are satisfied, the refrigerant according to the present disclosure has a refrigerating capacity ratio of 95% or more relative to that of R410A, and a COP ratio of 95% or more relative to that of R410A; furthermore, the refrigerant has a lower flammability (Class 2L) according to the ASHRAE Standard.
- The refrigerant according to the present disclosure may further comprise other additional refrigerants in addition to HFO-1132(E), HFO-1123, and R1234yf, as long as the above properties and effects are not impaired. In this respect, the refrigerant according to the present disclosure preferably comprises HFO-1132(E), HFO-1123, and R1234yf in a total amount of 99.5 mass % or more, more preferably 99.75 mass % or more, and still more preferably 99.9 mass % or more, based on the entire refrigerant.
- The refrigerant according to the present disclosure may comprise HFO-1132(E), HFO-1123, and R1234yf in a total amount of 99.5 mass % or more, 99.75 mass % or more, or 99.9 mass % or more, based on the entire refrigerant.
- Additional refrigerants are not particularly limited and can be widely selected. The mixed refrigerant may contain one additional refrigerant, or two or more additional refrigerants.
- The present disclosure is described in more detail below with reference to Examples of refrigerant A. However, refrigerant A is not limited to the Examples.
- The GWP of R1234yf and a composition consisting of a mixed refrigerant R410A (R32=50%/R125=50%) was evaluated based on the values stated in the Intergovernmental Panel on Climate Change (IPCC), fourth report. The GWP of HFO-1132(E), which was not stated therein, was assumed to be 1 from HFO-1132a (GWP=1 or less) and HFO-1123 (GWP=0.3, described in WO2015/141678). The refrigerating capacity of R410A and compositions each comprising a mixture of HFO-1132(E), HFO-1123, and R1234yf was determined by performing theoretical refrigeration cycle calculations for the mixed refrigerants using the National Institute of Science and Technology (NIST) and Reference Fluid Thermodynamic and Transport Properties Database (Refprop 9.0) under the following conditions.
- Further, the RCL of the mixture was calculated with the LFL of HFO-1132(E) being 4.7 vol. %, the LFL of HFO-1123 being 10 vol. %, and the LFL of R1234yf being 6.2 vol. %, in accordance with the ASHRAE Standard 34-2013.
- Evaporating temperature: 5° C.
Condensation temperature: 45° C.
Degree of superheating: 5 K
Degree of subcooling: 5 K
Compressor efficiency: 70% - Tables 1 to 34 show these values together with the GWP of each mixed refrigerant.
-
TABLE 1 Comp. Comp. Example Comp. Comp. Ex. 2 Ex. 3 Example 2 Example Ex. 4 Item Unit Ex. 1 O A 1 A′ 3 B HFO-1132(E) mass % R410A 100.0 68.6 49.0 30.6 14.1 0.0 HFO-1123 mass % 0.0 0.0 14.9 30.0 44.8 58.7 R1234yf mass % 0.0 31.4 36.1 39.4 41.1 41.3 GWP — 2088 1 2 2 2 2 2 COP ratio % (relative to 100 99.7 100.0 98.6 97.3 96.3 95.5 410A) Refrigerating % (relative to 100 98.3 85.0 85.0 85.0 85.0 85.0 capacity ratio 410A) Condensation ° C. 0.1 0.00 1.98 3.36 4.46 5.15 5.35 glide Discharge % (relative to 100.0 99.3 87.1 88.9 90.6 92.1 93.2 pressure 410A) RCL g/m3 — 30.7 37.5 44.0 52.7 64.0 78.6 -
TABLE 2 Comp. Example Comp. Comp. Example Comp. Ex. 5 Example 5 Example Ex. 6 Ex. 7 7 Ex. 8 Item Unit C 4 C′ 6 D E E′ F HFO-1132(E) mass % 32.9 26.6 19.5 10.9 0.0 58.0 23.4 0.0 HFO-1123 mass % 67.1 68.4 70.5 74.1 80.4 42.0 48.5 61.8 R1234yf mass % 0.0 5.0 10.0 15.0 19.6 0.0 28.1 38.2 GWP — 1 1 1 1 2 1 2 2 COP ratio % (relative 92.5 92.5 92.5 92.5 92.5 95.0 95.0 95.0 to 410A) Refrigerating % (relative 107.4 105.2 102.9 100.5 97.9 105.0 92.5 86.9 capacity ratio to 410A) Condensation ° C. 0.16 0.52 0.94 1.42 1.90 0.42 3.16 4.80 glide Discharge % (relative 119.5 117.4 115.3 113.0 115.9 112.7 101.0 95.8 pressure to 410A) RCL g/m3 53.5 57.1 62.0 69.1 81.3 41.9 46.3 79.0 -
TABLE 3 Comp. Example Example Example Example Example Ex. 9 8 9 10 11 12 Item Unit J P L N N′ K HFO-1132(E) mass % 47.1 55.8 63.1 68.6 65.0 61.3 HFO-1123 mass % 52.9 42.0 31.9 16.3 7.7 5.4 R1234yf mass % 0.0 2.2 5.0 15.1 27.3 33.3 GWP — 1 1 1 1 2 2 COP ratio % (relative to 93.8 95.0 96.1 97.9 99.1 99.5 410A) Refrigerating capacity % (relative to 106.2 104.1 101.6 95.0 88.2 85.0 ratio 410A) Condensation glide ° C. 0.31 0.57 0.81 1.41 2.11 2.51 Discharge pressure % (relative to 115.8 111.9 107.8 99.0 91.2 87.7 410A) RCL g/m3 46.2 42.6 40.0 38.0 38.7 39.7 -
TABLE 4 Exam- Exam- Exam- Exam- Exam- Exam- Exam- ple 13 ple 14 ple 15 ple 16 ple 17 ple 18 ple 19 Item Unit L M Q R S S′ T HFO-1132(E) mass % 63.1 60.3 62.8 49.8 62.6 50.0 35.8 HFO-1123 mass % 31.9 6.2 29.6 42.3 28.3 35.8 44.9 R1234yf mass % 5.0 33.5 7.6 7.9 9.1 14.2 19.3 GWP — 1 2 1 1 1 1 2 COP ratio % (relative 96.1 99.4 96.4 95.0 96.6 95.8 95.0 to 410 A) Refrigerating % (relative 101.6 85.0 100.2 101.7 99.4 98.1 96.7 capacity ratio to 410 A) Condensation ° C. 0.81 2.58 1.00 1.00 1.10 1.55 2.07 glide Discharge % (relative 107.8 87.9 106.0 109.6 105.0 105.0 105.0 pressure to 410 A) RCL g/m3 40.0 40.0 40.0 44.8 40.0 44.4 50.8 -
TABLE 5 Comp. Ex. Example Example 10 20 21 Item Unit G H I HFO-1132(E) mass % 72.0 72.0 72.0 HFO-1123 mass % 28.0 14.0 0.0 R1234yf mass % 0.0 14.0 28.0 GWP — 1 1 2 COP ratio % (relative to 96.6 98.2 99.9 410A) Refrigerating % (relative to 103.1 95.1 86.6 capacity ratio 410A) Condensation glide ° C. 0.46 1.27 1.71 Discharge pressure % (relative to 108.4 98.7 88.6 410A) RCL g/m3 37.4 37.0 36.6 -
TABLE 6 Comp. Comp. Exam- Exam- Exam- Exam- Exam- Comp. Item Unit Ex. 11 Ex. 12 ple 22ple 23 ple 24 ple 25 ple 26 Ex. 13 HFO-1132(E) mass % 10.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0 HFO-1123 mass % 85.0 75.0 65.0 55.0 45.0 35.0 25.0 15.0 R1234yf mass % 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 GWP — 1 1 1 1 1 1 1 1 COP ratio % (relative 91.4 92.0 92.8 93.7 94.7 95.8 96.9 98.0 to 410 A) Refrigerating % (relative 105.7 105.5 105.0 104.3 103.3 102.0 100.6 99.1 capacity ratio to 410 A) Condensation ° C. 0.40 0.46 0.55 0.66 0.75 0.80 0.79 0.67 glide Discharge % (relative 120.1 118.7 116.7 114.3 111.6 108.7 105.6 102.5 pressure to 410 A) RCL g/m3 71.0 61.9 54.9 49.3 44.8 41.0 37.8 35.1 -
TABLE 7 Comp. Exam- Exam- Exam- Exam- Exam- Exam- Comp. Item Unit Ex. 14 ple 27 ple 28 ple 29 ple 30ple 31ple 32Ex. 15 HFO-1132(E) mass % 10.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0 HFO-1123 mass % 80.0 70.0 60.0 50.0 40.0 30.0 20.0 10.0 R1234yf mass % 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 GWP — 1 1 1 1 1 1 1 1 COP ratio % (relative 91.9 92.5 93.3 94.3 95.3 96.4 97.5 98.6 to 410 A) Refrigerating % (relative 103.2 102.9 102.4 101.5 100.5 99.2 97.8 96.2 capacity ratio to 410 A) Condensation ° C. 0.87 0.94 1.03 1.12 1.18 1.18 1.09 0.88 glide Discharge % (relative 116.7 115.2 113.2 110.8 108.1 105.2 102.1 99.0 pressure to 410 A) RCL g/m3 70.5 61.6 54.6 49.1 44.6 40.8 37.7 35.0 -
TABLE 8 Comp. Exam- Exam- Exam- Exam- Exam- Exam- Comp. Item Unit Ex. 16 ple 33 ple 34 ple 35 ple 36 ple 37 ple 38 Ex. 17 HFO-1132(E) mass % 10.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0 HFO-1123 mass % 75.0 65.0 55.0 45.0 35.0 25.0 15.0 5.0 R1234yf mass % 15.0 15.0 15.0 15.0 15.0 15.0 15.0 15.0 GWP — 1 1 1 1 1 1 1 1 COP ratio % (relative 92.4 93.1 93.9 94.8 95.9 97.0 98.1 99.2 to 410 A) Refrigerating % (relative 100.5 100.2 99.6 98.7 97.7 96.4 94.9 93.2 capacity ratio to 410 A) Condensation ° C. 1.41 1.49 1.56 1.62 1.63 1.55 1.37 1.05 glide Discharge % (relative 113.1 111.6 109.6 107.2 104.5 101.6 98.6 95.5 pressure to 410 A) RCL g/m3 70.0 61.2 54.4 48.9 44.4 40.7 37.5 34.8 -
TABLE 9 Exam- Exam- Exam- Exam- Exam- Exam- Exam- Item Unit ple 39 ple 40ple 41ple 42ple 43 ple 44 ple 45 HFO-1132(E) mass % 10.0 20.0 30.0 40.0 50.0 60.0 70.0 HFO-1123 mass % 70.0 60.0 50.0 40.0 30.0 20.0 10.0 R1234yf mass % 20.0 20.0 20.0 20.0 20.0 20.0 20.0 GWP — 2 2 2 2 2 2 2 COP ratio % (relative 93.0 93.7 94.5 95.5 96.5 97.6 98.7 to 410 A) Refrigerating % (relative 97.7 97.4 96.8 95.9 94.7 93.4 91.9 capacity ratio to 410 A) Condensation ° C. 2.03 2.09 2.13 2.14 2.07 1.91 1.61 glide Discharge % (relative 109.4 107.9 105.9 103.5 100.8 98.0 95.0 pressure to 410 A) RCL g/m3 69.6 60.9 54.1 48.7 44.2 40.5 37.4 -
TABLE 10 Example Example Example Example Example Example Example Item Unit 46 47 48 49 50 51 52 HFO-1132(E) mass % 10.0 20.0 30.0 40.0 50.0 60.0 70.0 HFO-1123 mass % 65.0 55.0 45.0 35.0 25.0 15.0 5.0 R1234yf mass % 25.0 25.0 25.0 25.0 25.0 25.0 25.0 GWP — 2 2 2 2 2 2 2 COP ratio % (relative 93.6 94.3 95.2 96.1 97.2 98.2 99.3 to 410 A) Refrigerating % (relative 94.8 94.5 93.8 92.9 91.8 90.4 88.8 capacity ratio to 410 A) Condensation ° C. 2.71 2.74 2.73 2.66 2.50 2.22 1.78 glide Discharge % (relative 105.5 104.0 102.1 99.7 97.1 94.3 91.4 pressure to 410 A) RCL g/m3 69.1 60.5 53.8 48.4 44.0 40.4 37.3 -
TABLE 11 Item Unit Example 53 Example 54 Example 55 Example 56 Example 57 Example 58 HFO- mass % 10.0 20.0 30.0 40.0 50.0 60.0 1132(E) HFO- mass % 60.0 50.0 40.0 30.0 20.0 10.0 1123 R1234yf mass % 30.0 30.0 30.0 30.0 30.0 30.0 GWP — 2 2 2 2 2 2 COP ratio % (relative 94.3 95.0 95.9 96.8 97.8 98.9 to 410 A) Refriger- % (relative 91.9 91.5 90.8 89.9 88.7 87.3 ating to 410 A) capacity ratio Conden- ° C. 3.46 3.43 3.35 3.18 2.90 2.47 sation glide Discharge % (relative 101.6 100.1 98.2 95.9 93.3 90.6 pressure to 410 A) RCL g/m3 68.7 60.2 53.5 48.2 43.9 40.2 -
TABLE 12 Item Unit Example 59 Example 60 Example 61 Example 62 Example 63 Comp. Ex. 18 HFO- mass % 10.0 20.0 30.0 40.0 50.0 60.0 1132(E) HFO- mass % 55.0 45.0 35.0 25.0 15.0 5.0 1123 R1234yf mass % 35.0 35.0 35.0 35.0 35.0 35.0 GWP — 2 2 2 2 2 2 COP ratio % (relative 95.0 95.8 96.6 97.5 98.5 99.6 to 410 A) Refriger- % (relative 88.9 88.5 87.8 86.8 85.6 84.1 ating to 410 A) capacity ratio Conden- ° C. 4.24 4.15 3.96 3.67 3.24 2.64 sation glide Discharge % (relative 97.6 96.1 94.2 92.0 89.5 86.8 pressure to 410 A) RCL g/m3 68.2 59.8 53.2 48.0 43.7 40.1 -
TABLE 13 Example Example Comp. Comp. Comp. Item Unit 64 65 Ex. 19 Ex. 20 Ex. 21 HFO-1132(E) mass % 10.0 20.0 30.0 40.0 50.0 HFO-1123 mass % 50.0 40.0 30.0 20.0 10.0 R1234yf mass % 40.0 40.0 40.0 40.0 40.0 GWP — 2 2 2 2 2 COP ratio % (relative 95.9 96.6 97.4 98.3 99.2 to 410 A) Refrigerating % (relative 85.8 85.4 84.7 83.6 82.4 capacity ratio to 410 A) Condensation ° C. 5.05 4.85 4.55 4.10 3.50 glide Discharge % (relative 93.5 92.1 90.3 88.1 85.6 pressure to 410 A) RCL g/m3 67.8 59.5 53.0 47.8 43.5 -
TABLE 14 Example Example Example Example Example Example Example Example Item Unit 66 67 68 69 70 71 72 73 HFO-1132(E) mass % 54.0 56.0 58.0 62.0 52.0 54.0 56.0 58.0 HFO-1123 mass % 41.0 39.0 37.0 33.0 41.0 39.0 37.0 35.0 R1234yf mass % 5.0 5.0 5.0 5.0 7.0 7.0 7.0 7.0 GWP — 1 1 1 1 1 1 1 1 COP ratio % (relative 95.1 95.3 95.6 96.0 95.1 95.4 95.6 95.8 to 410 A) Refrigerating % (relative 102.8 102.6 102.3 101.8 101.9 101.7 101.5 101.2 capacity ratio to 410 A) Condensation ° C. 0.78 0.79 0.80 0.81 0.93 0.94 0.95 0.95 glide Discharge % (relative 110.5 109.9 109.3 108.1 109.7 109.1 108.5 107.9 pressure to 410 A) RCL g/m3 43.2 42.4 41.7 40.3 43.9 43.1 42.4 41.6 -
TABLE 15 Example Example Example Example Example Example Example Example Item Unit 74 75 76 77 78 79 80 81 HFO-1132(E) mass % 60.0 62.0 61.0 58.0 60.0 62.0 52.0 54.0 HFO-1123 mass % 33.0 31.0 29.0 30.0 28.0 26.0 34.0 32.0 R1234yf mass % 7.0 7.0 10.0 12.0 12.0 12.0 14.0 14.0 GWP — 1 1 1 1 1 1 1 1 COP ratio % (relative 96.0 96.2 96.5 96.4 96.6 96.8 96.0 96.2 to 410 A) Refrigerating % (relative 100.9 100.7 99.1 98.4 98.1 97.8 98.0 97.7 capacity ratio to 410 A) Condensation ° C. 0.95 0.95 1.18 1.34 1.33 1.32 1.53 1.53 glide Discharge % (relative 107.3 106.7 104.9 104.4 103.8 103.2 104.7 104.1 pressure to 410 A) RCL g/m3 40.9 40.3 40.5 41.5 40.8 40.1 43.6 42.9 -
TABLE 16 Example Example Example Example Example Example Example Example Item Unit 82 83 84 85 86 87 88 89 HFO-1132(E) mass % 56.0 58.0 60.0 48.0 50.0 52.0 54.0 56.0 HFO-1123 mass % 30.0 28.0 26.0 36.0 34.0 32.0 30.0 28.0 R1234yf mass % 14.0 14.0 14.0 16.0 16.0 16.0 16.0 16.0 GWP — 1 1 1 1 1 1 1 1 COP ratio % (relative 96.4 96.6 96.9 95.8 96.0 96.2 96.4 96.7 to 410 A) Refrigerating % (relative 97.5 97.2 96.9 97.3 97.1 96.8 96.6 96.3 capacity ratio to 410 A) Condensation ° C. 1.51 1.50 1.48 1.72 1.72 1.71 1.69 1.67 glide Discharge % (relative 103.5 102.9 102.3 104.3 103.8 103.2 102.7 102.1 pressure to 410 A) RCL g/m3 42.1 41.4 40.7 45.2 44.4 43.6 42.8 42.1 -
TABLE 17 Example Example Example Example Example Example Example Example Item Unit 90 91 92 93 94 95 96 97 HFO-1132(E) mass % 58.0 60.0 42.0 44.0 46.0 48.0 50.0 52.0 HFO-1123 mass % 26.0 24.0 40.0 38.0 36.0 34.0 32.0 30.0 R1234yf mass % 16.0 16.0 18.0 18.0 18.0 18.0 18.0 18.0 GWP — 1 1 2 2 2 2 2 2 COP ratio % (relative 96.9 97.1 95.4 95.6 95.8 96.0 96.3 96.5 to 410 A) Refrigerating % (relative 96.1 95.8 96.8 96.6 96.4 96.2 95.9 95.7 capacity ratio to 410 A) Condensation ° C. 1.65 1.63 1.93 1.92 1.92 1.91 1.89 1.88 glide Discharge % (relative 101.5 100.9 104.5 103.9 103.4 102.9 102.3 101.8 pressure to 410 A) RCL g/m3 41.4 40.7 47.8 46.9 46.0 45.1 44.3 43.5 -
TABLE 18 Example Example Example Example Example Example Example Example Item Unit 98 99 100 101 102 103 104 105 HFO-1132(E) mass % 54.0 56.0 58.0 60.0 36.0 38.0 42.0 44.0 HFO-1123 mass % 28.0 26.0 24.0 22.0 44.0 42.0 38.0 36.0 R1234yf mass % 18.0 18.0 18.0 18.0 20.0 20.0 20.0 20.0 GWP — 2 2 2 2 2 2 2 2 COP ratio % (relative 96.7 96.9 97.1 97.3 95.1 95.3 95.7 95.9 to 410 A) Refrigerating % (relative 95.4 95.2 94.9 94.6 96.3 96.1 95.7 95.4 capacity ratio to 410 A) Condensation ° C. 1.86 1.83 1.80 1.77 2.14 2.14 2.13 2.12 glide Discharge % (relative 101.2 100.6 100.0 99.5 104.5 104.0 103.0 102.5 pressure to 410 A) RCL g/m3 42.7 42.0 41.3 40.6 50.7 49.7 47.7 46.8 -
TABLE 19 Example Example Example Example Example Example Example Example Item Unit 106 107 108 109 110 111 112 113 HFO-1132(E) mass % 46.0 48.0 52.0 54.0 56.0 58.0 34.0 36.0 HFO-1123 mass % 34.0 32.0 28.0 26.0 24.0 22.0 44.0 42.0 R1234yf mass % 20.0 20.0 20.0 20.0 20.0 20.0 22.0 22.0 GWP — 2 2 2 2 2 2 2 2 COP ratio % (relative 96.1 96.3 96.7 96.9 97.2 97.4 95.1 95.3 to 410 A) Refrigerating % (relative 95.2 95.0 94.5 94.2 94.0 93.7 95.3 95.1 capacity ratio to 410 A) Condensation ° C. 2.11 2.09 2.05 2.02 1.99 1.95 2.37 2.36 glide Discharge % (relative 101.9 101.4 100.3 99.7 99.2 98.6 103.4 103.0 pressure to 410 A) RCL g/m3 45.9 45.0 43.4 42.7 41.9 41.2 51.7 50.6 -
TABLE 20 Example Example Example Example Example Example Example Example Item Unit 114 115 116 117 118 119 120 121 HFO-1132(E) mass % 38.0 40.0 42.0 44.0 46.0 48.0 50.0 52.0 HFO-1123 mass % 40.0 38.0 36.0 34.0 32.0 30.0 28.0 26.0 R1234yf mass % 22.0 22.0 22.0 22.0 22.0 22.0 22.0 22.0 GWP — 2 2 2 2 2 2 2 2 COP ratio % (relative 95.5 95.7 95.9 96.1 96.4 96.6 96.8 97.0 to 410A) Refrigerating % (relative 94.9 94.7 94.5 94.3 94.0 93.8 93.6 93.3 capacity ratio to 410A) Condensation ° C. 2.36 2.35 2.33 2.32 2.30 2.27 2.25 2.21 glide Discharge % (relative 102.5 102.0 101.5 101.0 100.4 99.9 99.4 98.8 pressure to 410A) RCL g/m3 49.6 48.6 47.6 46.7 45.8 45.0 44.1 43.4 -
TABLE 21 Example Example Example Example Example Example Example Example Item Unit 122 123 124 125 126 127 128 129 HFO-1132(E) mass % 54.0 56.0 58.0 60.0 32.0 34.0 36.0 38.0 HFO-1123 mass % 24.0 22.0 20.0 18.0 44.0 42.0 40.0 38.0 R1234yf mass % 22.0 22.0 22.0 22.0 24.0 24.0 24.0 24.0 GWP — 2 2 2 2 2 2 2 2 COP ratio % (relative 97.2 97.4 97.6 97.9 95.2 95.4 95.6 95.8 to 410A) Refrigerating % (relative 93.0 92.8 92.5 92.2 94.3 94.1 93.9 93.7 capacity ratio to 410A) Condensation ° C. 2.18 2.14 2.09 2.04 2.61 2.60 2.59 2.58 glide Discharge % (relative 98.2 97.7 97.1 96.5 102.4 101.9 101.5 101.0 pressure to 410A) RCL g/m3 42.6 41.9 41.2 40.5 52.7 51.6 50.5 49.5 -
TABLE 22 Example Example Example Example Example Example Example Example Item Unit 130 131 132 133 134 135 136 137 HFO-1132(E) mass % 40.0 42.0 44.0 46.0 48.0 50.0 52.0 54.0 HFO-1123 mass % 36.0 34.0 32.0 30.0 28.0 26.0 24.0 22.0 R1234yf mass % 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 GWP — 2 2 2 2 2 2 2 2 COP ratio % (relative 96.0 96.2 96.4 96.6 96.8 97.0 97.2 97.5 to 410A) Refrigerating % (relative 93.5 93.3 93.1 92.8 92.6 92.4 92.1 91.8 capacity ratio to 410A) Condensation ° C. 2.56 2.54 2.51 2.49 2.45 2.42 2.38 2.33 glide Discharge % (relative 100.5 100.0 99.5 98.9 98.4 97.9 97.3 96.8 pressure to 410A) RCL g/m3 48.5 47.5 46.6 45.7 44.9 44.1 43.3 42.5 -
TABLE 23 Example Example Example Example Example Example Example Example Item Unit 138 139 140 141 142 143 144 145 HFO-1132(E) mass % 56.0 58.0 60.0 30.0 32.0 34.0 36.0 38.0 HFO-1123 mass % 20.0 18.0 16.0 44.0 42.0 40.0 38.0 36.0 R1234yf mass % 24.0 24.0 24.0 26.0 26.0 26.0 26.0 26.0 GWP — 2 2 2 2 2 2 2 2 COP ratio % (relative 97.7 97.9 98.1 95.3 95.5 95.7 95.9 96.1 to 410A) Refrigerating % (relative 91.6 91.3 91.0 93.2 93.1 92.9 92.7 92.5 capacity ratio to 410A) Condensation ° C. 2.28 2.22 2.16 2.86 2.85 2.83 2.81 2.79 glide Discharge % (relative 96.2 95.6 95.1 101.3 100.8 100.4 99.9 99.4 pressure to 410A) RCL g/m3 41.8 41.1 40.4 53.7 52.6 51.5 50.4 49.4 -
TABLE 24 Example Example Example Example Example Example Example Example Item Unit 146 147 148 149 150 151 152 153 HFO-1132(E) mass % 40.0 42.0 44.0 46.0 48.0 50.0 52.0 54.0 HFO-1123 mass % 34.0 32.0 30.0 28.0 26.0 24.0 22.0 20.0 R1234yf mass % 26.0 26.0 26.0 26.0 26.0 26.0 26.0 26.0 GWP — 2 2 2 2 2 2 2 2 COP ratio % (relative 96.3 96.5 96.7 96.9 97.1 97.3 97.5 97.7 to 410A) Refrigerating % (relative 92.3 92.1 91.9 91.6 91.4 91.2 90.9 90.6 capacity ratio to 410A) Condensation ° C. 2.77 2.74 2.71 2.67 2.63 2.59 2.53 2.48 glide Discharge % (relative 99.0 98.5 97.9 97.4 96.9 96.4 95.8 95.3 pressure to 410A) RCL g/m3 48.4 47.4 46.5 45.7 44.8 44.0 43.2 42.5 -
TABLE 25 Example Example Example Example Example Example Example Example Item Unit 154 155 156 157 158 159 160 161 HFO-1132(E) mass % 56.0 58.0 60.0 30.0 32.0 34.0 36.0 38.0 HFO-1123 mass % 18.0 16.0 14.0 42.0 40.0 38.0 36.0 34.0 R1234yf mass % 26.0 26.0 26.0 28.0 28.0 28.0 28.0 28.0 GWP — 2 2 2 2 2 2 2 2 COP ratio % (relative 97.9 98.2 98.4 95.6 95.8 96.0 96.2 96.3 to 410A) Refrigerating % (relative 90.3 90.1 89.8 92.1 91.9 91.7 91.5 91.3 capacity ratio to 410A) Condensation ° C. 2.42 2.35 2.27 3.10 3.09 3.06 3.04 3.01 glide Discharge % (relative 94.7 94.1 93.6 99.7 99.3 98.8 98.4 97.9 pressure to 410A) RCL g/m3 41.7 41.0 40.3 53.6 52.5 51.4 50.3 49.3 -
TABLE 26 Example Example Example Example Example Example Example Example Item Unit 162 163 164 165 166 167 168 169 HFO-1132(E) mass % 40.0 42.0 44.0 46.0 48.0 50.0 52.0 54.0 HFO-1123 mass % 32.0 30.0 28.0 26.0 24.0 22.0 20.0 18.0 R1234yf mass % 28.0 28.0 28.0 28.0 28.0 28.0 28.0 28.0 GWP — 2 2 2 2 2 2 2 2 COP ratio % (relative 96.5 96.7 96.9 97.2 97.4 97.6 97.8 98.0 to 410A) Refrigerating % (relative 91.1 90.9 90.7 90.4 90.2 89.9 89.7 89.4 capacity ratio to 410A) Condensation ° C. 2.98 2.94 2.90 2.85 2.80 2.75 2.68 2.62 glide Discharge % (relative 97.4 96.9 96.4 95.9 95.4 94.9 94.3 93.8 pressure to 410A) RCL g/m3 48.3 47.4 46.4 45.6 44.7 43.9 43.1 42.4 -
TABLE 27 Example Example Example Example Example Example Example Example Item Unit 170 171 172 173 174 175 176 177 HFO-1132(E) mass % 56.0 58.0 60.0 32.0 34.0 36.0 38.0 42.0 HFO-1123 mass % 16.0 14.0 12.0 38.0 36.0 34.0 32.0 28.0 R1234yf mass % 28.0 28.0 28.0 30.0 30.0 30.0 30.0 30.0 GWP — 2 2 2 2 2 2 2 2 COP ratio % (relative 98.2 98.4 98.6 96.1 96.2 96.4 96.6 97.0 to 410A) Refrigerating % (relative 89.1 88.8 88.5 90.7 90.5 90.3 90.1 89.7 capacity ratio to 410A) Condensation ° C. 2.54 2.46 2.38 3.32 3.30 3.26 3.22 3.14 glide Discharge % (relative 93.2 92.6 92.1 97.7 97.3 96.8 96.4 95.4 pressure to 410A) RCL g/m3 41.7 41.0 40.3 52.4 51.3 50.2 49.2 47.3 -
TABLE 28 Example Example Example Example Example Example Example Example Item Unit 178 179 180 181 182 183 184 185 HFO-1132(E) mass % 44.0 46.0 48.0 50.0 52.0 54.0 56.0 58.0 HFO-1123 mass % 26.0 24.0 22.0 20.0 18.0 16.0 14.0 12.0 R1234yf mass % 30.0 30.0 30.0 30.0 30.0 30.0 30.0 30.0 GWP — 2 2 2 2 2 2 2 2 COP ratio % (relative 97.2 97.4 97.6 97.8 98.0 98.3 98.5 98.7 to 410A) Refrigerating % (relative 89.4 89.2 89.0 88.7 88.4 88.2 87.9 87.6 capacity ratio to 410A) Condensation ° C. 3.08 3.03 2.97 2.90 2.83 2.75 2.66 2.57 glide Discharge % (relative 94.9 94.4 93.9 93.3 92.8 92.3 91.7 91.1 pressure to 410A) RCL g/m3 46.4 45.5 44.7 43.9 43.1 42.3 41.6 40.9 -
TABLE 29 Example Example Example Example Example Example Example Example Item Unit 186 187 188 189 190 191 192 193 HFO-1132(E) mass % 30.0 32.0 34.0 36.0 38.0 40.0 42.0 44.0 HFO-1123 mass % 38.0 36.0 34.0 32.0 30.0 28.0 26.0 24.0 R1234yf mass % 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 GWP — 2 2 2 2 2 2 2 2 COP ratio % (relative 96.2 96.3 96.5 96.7 96.9 97.1 97.3 97.5 to 410A) Refrigerating % (relative 89.6 89.5 89.3 89.1 88.9 88.7 88.4 88.2 capacity ratio to 410A) Condensation ° C. 3.60 3.56 3.52 3.48 3.43 3.38 3.33 3.26 glide Discharge % (relative 96.6 96.2 95.7 95.3 94.8 94.3 93.9 93.4 pressure to 410A) RCL g/m3 53.4 52.3 51.2 50.1 49.1 48.1 47.2 46.3 -
TABLE 30 Example Example Example Example Example Example Example Example Item Unit 194 195 196 197 198 199 200 201 HFO-1132(E) mass % 46.0 48.0 50.0 52.0 54.0 56.0 58.0 60.0 HFO-1123 mass % 22.0 20.0 18.0 16.0 14.0 12.0 10.0 8.0 R1234yf mass % 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 GWP — 2 2 2 2 2 2 2 2 COP ratio % (relative 97.7 97.9 98.1 98.3 98.5 98.7 98.9 99.2 to 410A) Refrigerating % (relative 88.0 87.7 87.5 87.2 86.9 86.6 86.3 86.0 capacity ratio to 410A) Condensation ° C. 3.20 3.12 3.04 2.96 2.87 2.77 2.66 2.55 glide Discharge % (relative 92.8 92.3 91.8 91.3 90.7 90.2 89.6 89.1 pressure to 410A) RCL g/m3 45.4 44.6 43.8 43.0 42.3 41.5 40.8 40.2 -
TABLE 31 Example Example Example Example Example Example Example Example Item Unit 202 203 204 205 206 207 208 209 HFO-1132(E) mass % 30.0 32.0 34.0 36.0 38.0 40.0 42.0 44.0 HFO-1123 mass % 36.0 34.0 32.0 30.0 28.0 26.0 24.0 22.0 R1234yf mass % 34.0 34.0 34.0 34.0 34.0 34.0 34.0 34.0 GWP — 2 2 2 2 2 2 2 2 COP ratio % (relative 96.5 96.6 96.8 97.0 97.2 97.4 97.6 97.8 to 410A) Refrigerating % (relative 88.4 88.2 88.0 87.8 87.6 87.4 87.2 87.0 capacity ratio to 410A) Condensation ° C. 3.84 3.80 3.75 3.70 3.64 3.58 3.51 3.43 glide Discharge % (relative 95.0 94.6 94.2 93.7 93.3 92.8 92.3 91.8 pressure to 410A) RCL g/m3 53.3 52.2 51.1 50.0 49.0 48.0 47.1 46.2 -
TABLE 32 Example Example Example Example Example Example Example Example Item Unit 210 211 212 213 214 215 216 217 HFO-1132(E) mass % 46.0 48.0 50.0 52.0 54.0 30.0 32.0 34.0 HFO-1123 mass % 20.0 18.0 16.0 14.0 12.0 34.0 32.0 30.0 R1234yf mass % 34.0 34.0 34.0 34.0 34.0 36.0 36.0 36.0 GWP — 2 2 2 2 2 2 2 2 COP ratio % (relative 98.0 98.2 98.4 98.6 98.8 96.8 96.9 97.1 to 410A) Refrigerating % (relative 86.7 86.5 86.2 85.9 85.6 87.2 87.0 86.8 capacity ratio to 410A) Condensation ° C. 3.36 3.27 3.18 3.08 2.97 4.08 4.03 3.97 glide Discharge % (relative 91.3 90.8 90.3 89.7 89.2 93.4 93.0 92.6 pressure to 410A) RCL g/m3 45.3 44.5 43.7 42.9 42.2 53.2 52.1 51.0 -
TABLE 33 Example Example Example Example Example Example Example Example Item Unit 218 219 220 221 222 223 224 225 HFO-1132(E) mass % 36.0 38.0 40.0 42.0 44.0 46.0 30.0 32.0 HFO-1123 mass % 28.0 26.0 24.0 22.0 20.0 18.0 32.0 30.0 R1234yf mass % 36.0 36.0 36.0 36.0 36.0 36.0 38.0 38.0 GWP — 2 2 2 2 2 2 2 2 COP ratio % (relative 97.3 97.5 97.7 97.9 98.1 98.3 97.1 97.2 to 410A) Refrigerating % (relative 86.6 86.4 86.2 85.9 85.7 85.5 85.9 85.7 capacity ratio to 410A) Condensation ° C. 3.91 3.84 3.76 3.68 3.60 3.50 4.32 4.25 glide Discharge % (relative 92.1 91.7 91.2 90.7 90.3 89.8 91.9 91.4 pressure to 410A) RCL g/m3 49.9 48.9 47.9 47.0 46.1 45.3 53.1 52.0 -
TABLE 34 Example Example Item Unit 226 227 HFO-1132(E) mass % 34.0 36.0 HFO-1123 mass % 28.0 26.0 R1234yf mass% 38.0 38.0 GWP — 2 2 COP ratio % (relative to 97.4 97.6 410A) Refrigerating % (relative to 85.6 85.3 capacity ratio 410A) Condensation glide ° C. 4.18 4.11 Discharge pressure % (relative to 91.0 90.6 410A) RCL g/m3 50.9 49.8 - These results indicate that under the condition that the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum is respectively represented by x, y, and z, when coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments AA′, A′B, BD, DC′, C′C, CO, and OA that connect the following 7 points:
- point A (68.6, 0.0, 31.4),
point A′(30.6, 30.0, 39.4),
point B (0.0, 58.7, 41.3),
point D (0.0, 80.4, 19.6),
point C′ (19.5, 70.5, 10.0),
point C (32.9, 67.1, 0.0), and
point O (100.0, 0.0, 0.0),
or on the above line segments (excluding the points on the line segment CO);
the line segment AA′ is represented by coordinates (x, 0.0016x2−0.9473x+57.497, −0.0016x2−0.0527x+42.503),
the line segment A′B is represented by coordinates (x, 0.0029x2−1.0268x+58.7, −0.0029x2+0.0268x+41.3,
the line segment DC′ is represented by coordinates (x, 0.0082x2−0.6671x+80.4, −0.0082x2−0.3329x+19.6),
the line segment C′C is represented by coordinates (x, 0.0067x2−0.6034x+79.729, −0.0067x2−0.3966x+20.271), and
the line segments BD, CO, and OA are straight lines,
the refrigerant has a refrigerating capacity ratio of 85% or more relative to that of R410A, and a COP of 92.5% or more relative to that of R410A. - The point on the line segment AA′ was determined by obtaining an approximate curve connecting point A, Example 1, and point A′ by the least square method.
- The point on the line segment A′B was determined by obtaining an approximate curve connecting point A′, Example 3, and point B by the least square method.
- The point on the line segment DC′ was determined by obtaining an approximate curve connecting point D, Example 6, and point C′ by the least square method.
- The point on the line segment C′C was determined by obtaining an approximate curve connecting point C′, Example 4, and point C by the least square method.
- Likewise, the results indicate that when coordinates (x,y,z) are within the range of a figure surrounded by line segments AA′, A′B, BF, FT, TE, EO, and OA that connect the following 7 points:
- point A (68.6, 0.0, 31.4),
point A′ (30.6, 30.0, 39.4),
point B (0.0, 58.7, 41.3),
point F (0.0, 61.8, 38.2),
point T (35.8, 44.9, 19.3),
point E (58.0, 42.0, 0.0) and
point O (100.0, 0.0, 0.0),
or on the above line segments (excluding the points on the line EO);
the line segment AA′ is represented by coordinates (x, 0.0016x2−0.9473x+57.497, −0.0016x2−0.0527x+42.503),
the line segment A′B is represented by coordinates (x, 0.0029x2−1.0268x+58.7, −0.0029x2+0.0268x+41.3),
the line segment FT is represented by coordinates (x, 0.0078x2−0.7501x+61.8, −0.0078x2−0.2499x+38.2), and
the line segment TE is represented by coordinates (x, 0.0067x2−0.7607x+63.525, −0.0067x2−0.2393x+36.475), and
the line segments BF, FO, and OA are straight lines,
the refrigerant has a refrigerating capacity ratio of 85% or more relative to that of R410A, and a COP of 95% or more relative to that of R410A. - The point on the line segment FT was determined by obtaining an approximate curve connecting three points, i.e., points T, E′, and F, by the least square method.
- The point on the line segment TE was determined by obtaining an approximate curve connecting three points, i.e., points E, R, and T, by the least square method.
- The results in Tables 1 to 34 clearly indicate that in a ternary composition diagram of the mixed refrigerant of HFO-1132(E), HFO-1123, and R1234yf in which the sum of these components is 100 mass %, a line segment connecting a point (0.0, 100.0, 0.0) and a point (0.0, 0.0, 100.0) is the base, the point (0.0, 100.0, 0.0) is on the left side, and the point (0.0, 0.0, 100.0) is on the right side, when coordinates (x,y,z) are on or below the line segment LM connecting point L (63.1, 31.9, 5.0) and point M (60.3, 6.2, 33.5), the refrigerant has an RCL of 40 g/m3 or more.
- The results in Tables 1 to 34 clearly indicate that in a ternary composition diagram of the mixed refrigerant of HFO-1132(E), HFO-1123 and R1234yf in which their sum is 100 mass %, a line segment connecting a point (0.0, 100.0, 0.0) and a point (0.0, 0.0, 100.0) is the base, the point (0.0, 100.0, 0.0) is on the left side, and the point (0.0, 0.0, 100.0) is on the right side, when coordinates (x,y,z) are on the line segment QR connecting point Q (62.8, 29.6, 7.6) and point R (49.8, 42.3, 7.9) or on the left side of the line segment, the refrigerant has a temperature glide of 1° C. or less.
- The results in Tables 1 to 34 clearly indicate that in a ternary composition diagram of the mixed refrigerant of HFO-1132(E), HFO-1123, and R1234yf in which their sum is 100 mass %, a line segment connecting a point (0.0, 100.0, 0.0) and a point (0.0, 0.0, 100.0) is the base, the point (0.0, 100.0, 0.0) is on the left side, and the point (0.0, 0.0, 100.0) is on the right side, when coordinates (x,y,z) are on the line segment ST connecting point S (62.6, 28.3, 9.1) and point T (35.8, 44.9, 19.3) or on the right side of the line segment, the refrigerant has a discharge pressure of 105% or less relative to that of 410A.
- In these compositions, R1234yf contributes to reducing flammability, and suppressing deterioration of polymerization etc. Therefore, the composition preferably contains R1234yf.
- Further, the burning velocity of these mixed refrigerants whose mixed formulations were adjusted to WCF concentrations was measured according to the ANSI/ASHRAE Standard 34-2013. Compositions having a burning velocity of 10 cm/s or less were determined to be classified as “Class 2L (lower flammability).”
- A burning velocity test was performed using the apparatus shown in
FIG. 1 in the following manner. InFIG. 1 , reference numeral 901 refers to a sample cell, 902 refers to a high-speed camera, 903 refers to a xenon lamp, 904 refers to a collimating lens, 905 refers to a collimating lens, and 906 refers to a ring filter. First, the mixed refrigerants used had a purity of 99.5% or more, and were degassed by repeating a cycle of freezing, pumping, and thawing until no traces of air were observed on the vacuum gauge. The burning velocity was measured by the closed method. The initial temperature was ambient temperature. Ignition was performed by generating an electric spark between the electrodes in the center of a sample cell. The duration of the discharge was 1.0 to 9.9 ms, and the ignition energy was typically about 0.1 to 1.0 J. The spread of the flame was visualized using schlieren photographs. A cylindrical container (inner diameter: 155 mm, length: 198 mm) equipped with two light transmission acrylic windows was used as the sample cell, and a xenon lamp was used as the light source. Schlieren images of the flame were recorded by a high-speed digital video camera at a frame rate of 600 fps and stored on a PC. - Each WCFF concentration was obtained by using the WCF concentration as the initial concentration and performing a leak simulation using NIST Standard Reference Database REFLEAK Version 4.0.
- Tables 35 and 36 show the results.
-
TABLE 35 Item Unit G H I WCF HFO-1132(E) mass % 72.0 72.0 72.0 HFO-1123 mass % 28.0 9.6 0.0 R1234yf mass % 0.0 18.4 28.0 Burning velocity (WCF) cm/s 10 10 10 -
TABLE 36 Item Unit J P L N N′ K WCF HFO-1132 mass % 47.1 55.8 63.1 68.6 65.0 61.3 (E) HFO-1123 mass % 52.9 42.0 31.9 16.3 7.7 5.4 R1234yf mass % 0.0 2.2 5.0 15.1 27.3 33.3 Leak condition that results Storage/ Storage/ Storage/ Storage/ Storage/ Storage/ in WCFF Shipping Shipping Shipping Shipping Shipping Shipping −40° C., −40° C., −40° C., −40° C., −40° C., −40° C., 92% 90% 90% 66% 12% 2% release, release, release, release, release, release, liquid liquid gas gas gas gas phase phase phase phase phase phase side side side side side side WCFF HFO-1132 mass % 72.0 72.0 72.0 72.0 72.0 72.0 (E) HFO-1123 mass % 28.0 17.8 17.4 13.6 12.3 9.8 R1234yf mass % 0.0 10.2 10.6 14.4 15.7 18.2 Burning velocity cm/ s 8 or less 8 or less 8 or less 9 9 8 or less (WCF) Burning velocity cm/s 10 10 10 10 10 10 (WCFF) - The results in Table 35 clearly indicate that when a mixed refrigerant of HFO-1132(E), HFO-1123, and R1234yf contains HFO-1132(E) in a proportion of 72.0 mass % or less based on their sum, the refrigerant can be determined to have a WCF lower flammability.
- The results in Tables 36 clearly indicate that in a ternary composition diagram of a mixed refrigerant of HFO-1132(E), HFO-1123, and R1234yf in which their sum is 100 mass %, and a line segment connecting a point (0.0, 100.0, 0.0) and a point (0.0, 0.0, 100.0) is the base,
- when coordinates (x,y,z) are on or below the line segments JP, PN, and NK connecting the following 6 points:
point J (47.1, 52.9, 0.0),
point P (55.8, 42.0, 2.2),
point L (63.1, 31.9, 5.0)
point N (68.6, 16.3, 15.1)
point N′ (65.0, 7.7, 27.3) and
point K (61.3, 5.4, 33.3),
the refrigerant can be determined to have a WCF lower flammability, and a WCFF lower flammability.
In the diagram, the line segment PN is represented by coordinates (x, −0.1135x2+12.112x−280.43, 0.1135x2−13.112x+380.43),
and the line segment NK is represented by coordinates (x, 0.2421x2−29.955x+931.91, −0.2421x2+28.955x−831.91). - The point on the line segment PN was determined by obtaining an approximate curve connecting three points, i.e., points P, L, and N, by the least square method.
- The point on the line segment NK was determined by obtaining an approximate curve connecting three points, i.e., points N, N′, and K, by the least square method.
- The refrigerant B according to the present disclosure is
- a mixed refrigerant comprising trans-1,2-difluoroethylene (HFO-1132(E)) and trifluoroethylene (HFO-1123) in a total amount of 99.5 mass % or more based on the entire refrigerant, and the refrigerant comprising 62.0 mass % to 72.0 mass % or 45.1 mass % to 47.1 mass % of HFO-1132(E) based on the entire refrigerant, or
- a mixed refrigerant comprising HFO-1132(E) and HFO-1123 in a total amount of 99.5 mass % or more based on the entire refrigerant, and the refrigerant comprising 45.1 mass % to 47.1 mass % of HFO-1132(E) based on the entire refrigerant.
- The refrigerant B according to the present disclosure has various properties that are desirable as an R410A-alternative refrigerant, i.e., (1) a coefficient of performance equivalent to that of R410A, (2) a refrigerating capacity equivalent to that of R410A, (3) a sufficiently low GWP, and (4) a lower flammability (Class 2L) according to the ASHRAE standard.
- When the refrigerant B according to the present disclosure is a mixed refrigerant comprising 72.0 mass % or less of HFO-1132(E), it has WCF lower flammability. When the refrigerant B according to the present disclosure is a composition comprising 47.1% or less of HFO-1132(E), it has WCF lower flammability and WCFF lower flammability, and is determined to be “Class 2L,” which is a lower flammable refrigerant according to the ASHRAE standard, and which is further easier to handle.
- When the refrigerant B according to the present disclosure comprises 62.0 mass % or more of HFO-1132(E), it becomes superior with a coefficient of performance of 95% or more relative to that of R410A, the polymerization reaction of HFO-1132(E) and/or HFO-1123 is further suppressed, and the stability is further improved. When the refrigerant B according to the present disclosure comprises 45.1 mass % or more of HFO-1132(E), it becomes superior with a coefficient of performance of 93% or more relative to that of R410A, the polymerization reaction of HFO-1132(E) and/or HFO-1123 is further suppressed, and the stability is further improved.
- The refrigerant B according to the present disclosure may further comprise other additional refrigerants in addition to HFO-1132(E) and HFO-1123, as long as the above properties and effects are not impaired. In this respect, the refrigerant according to the present disclosure preferably comprises HFO-1132(E) and HFO-1123 in a total amount of 99.75 mass % or more, and more preferably 99.9 mass % or more, based on the entire refrigerant.
- Such additional refrigerants are not limited, and can be selected from a wide range of refrigerants. The mixed refrigerant may comprise a single additional refrigerant, or two or more additional refrigerants.
- The present disclosure is described in more detail below with reference to Examples of refrigerant B. However, the refrigerant B is not limited to the Examples.
- Mixed refrigerants were prepared by mixing HFO-1132(E) and HFO-1123 at mass % based on their sum shown in Tables 37 and 38.
- The GWP of compositions each comprising a mixture of R410A (R32=50%/R125=50%) was evaluated based on the values stated in the Intergovernmental Panel on Climate Change (IPCC), fourth report. The GWP of HFO-1132(E), which was not stated therein, was assumed to be 1 from HFO-1132a (GWP=1 or less) and HFO-1123 (GWP=0.3, described in WO2015/141678). The refrigerating capacity of compositions each comprising R410A and a mixture of HFO-1132(E) and HFO-1123 was determined by performing theoretical refrigeration cycle calculations for the mixed refrigerants using the National Institute of Science and Technology (NIST) and Reference Fluid Thermodynamic and Transport Properties Database (Refprop 9.0) under the following conditions.
- Evaporating temperature: 5° C.
Condensation temperature: 45° C.
Superheating temperature: 5 K
Subcooling temperature: 5 K
Compressor efficiency: 70% - The composition of each mixture was defined as WCF. A leak simulation was performed using NIST Standard Reference Data Base Refleak Version 4.0 under the conditions of Equipment, Storage, Shipping, Leak, and Recharge according to the ASHRAE Standard 34-2013. The most flammable fraction was defined as WCFF.
- Tables 1 and 2 show GWP, COP, and refrigerating capacity, which were calculated based on these results. The COP and refrigerating capacity are ratios relative to R410A.
- The coefficient of performance (COP) was determined by the following formula.
-
COP=(refrigerating capacity or heating capacity)/power consumption - For the flammability, the burning velocity was measured according to the ANSI/ASHRAE Standard 34-2013. Both WCF and WCFF having a burning velocity of 10 cm/s or less were determined to be “Class 2L (lower flammability).”
- A burning velocity test was performed using the apparatus shown in
FIG. 1 in the following manner. First, the mixed refrigerants used had a purity of 99.5% or more, and were degassed by repeating a cycle of freezing, pumping, and thawing until no traces of air were observed on the vacuum gauge. The burning velocity was measured by the closed method. The initial temperature was ambient temperature. Ignition was performed by generating an electric spark between the electrodes in the center of a sample cell. The duration of the discharge was 1.0 to 9.9 ms, and the ignition energy was typically about 0.1 to 1.0 J. The spread of the flame was visualized using schlieren photographs. A cylindrical container (inner diameter: 155 mm, length: 198 mm) equipped with two light transmission acrylic windows was used as the sample cell, and a xenon lamp was used as the light source. Schlieren images of the flame were recorded by a high-speed digital video camera at a frame rate of 600 fps and stored on a PC. -
TABLE 37 Comparative Comparative Example Example 2 Comparative Exam- Exam- Exam- Exam- Exam- Comparative 1 HFO- Example ple ple ple ple ple Example Item Unit R410A 1132E 3 1 2 3 4 5 4 HFO-1132E mass % — 100 80 72 70 68 65 62 60 (WCF) HFO-1123 mass % 0 20 28 30 32 35 38 40 (WCF) GWP — 2088 1 1 1 1 1 1 1 1 COP ratio % 100 99.7 97.5 96.6 96.3 96.1 95.8 95.4 95.2 (relative to R410A) Refrigerating % 100 98.3 101.9 103.1 103.4 103.8 104.1 104.5 104.8 capacity (relative ratio to R410A) Discharge Mpa 2.73 2.71 2.89 2.96 2.98 3.00 3.02 3.04 3.06 pressure Burning cm/sec Non- 20 13 10 9 9 8 8 or less 8 or velocity flammable less (WCF) -
TABLE 38 Comparative Comparative Comparative Exam- Exam- Exam- Exam- Exam- Comparative Comparative Comparative Example ple ple ple ple ple Example Example Example 10 Item Unit 5 6 7 8 9 7 8 9 HFO-1123 HFO-1132E mass % 50 48 47.1 46.1 45.1 43 40 25 0 (WCF) HFO-1123 mass % 50 52 52.9 53.9 54.9 57 60 75 100 (WCF) GWP — 1 1 1 1 1 1 1 1 1 COP % 94.1 93.9 93.8 93.7 93.6 93.4 93.1 91.9 90.6 ratio (relative to R410A) Refrigerating % 105.9 106.1 106.2 106.3 106.4 106.6 106.9 107.9 108.0 capacity (relative ratio to R410A) Discharge Mpa 3.14 3.16 3.16 3.17 3.18 3.20 3.21 3.31 3.39 pressure Leakage test Storage/ Storage/ Storage/ Storage/ Storage/ Storage/ Storage/ Storage/ — conditions Shipping Shipping Shipping Shipping Shipping Shipping Shipping Shipping (WCFF) −40° C., −40° C., −40° C., −40° C., −40° C., −40° C., −40° C., −40° C., 92% 92% 92% 92% 92% 92% 92% 90% release, release, release, release, release, release, release, release, liquid liquid liquid liquid liquid liquid liquid liquid phase phase phase phase phase phase phase phase side side side side side side side side HFO-1132E mass % 74 73 72 71 70 67 63 38 — (WCFF) HFO-1123 mass % 26 27 28 29 30 33 37 62 (WCFF) Burning cm/sec 8 or less 8 or less 8 or 8 or 8 or 8 or less 8 or less 8 or less 5 velocity less less less (WCF) Burning cm/sec 11 10.5 10.0 9.5 9.5 8.5 8 or less 8 or less velocity (WCFF) ASHRAE flammability 2 2 2 L 2 L 2 L 2 L 2 L 2 L 2 L classification - The compositions each comprising 62.0 mass % to 72.0 mass % of HFO-1132(E) based on the entire composition are stable while having a low GWP (GWP=1), and they ensure WCF lower flammability. Further, surprisingly, they can ensure performance equivalent to that of R410A. Moreover, compositions each comprising 45.1 mass % to 47.1 mass % of HFO-1132(E) based on the entire composition are stable while having a low GWP (GWP=1), and they ensure WCFF lower flammability. Further, surprisingly, they can ensure performance equivalent to that of R410A.
- The refrigerant C according to the present disclosure is a composition comprising trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), 2,3,3,3-tetrafluoro-1-propene (R1234yf), and difluoromethane (R32), and satisfies the following requirements. The refrigerant C according to the present disclosure has various properties that are desirable as an alternative refrigerant for R410A; i.e. it has a coefficient of performance and a refrigerating capacity that are equivalent to those of R410A, and a sufficiently low GWP.
- Preferable refrigerant C is as follows:
- When the mass % of HFO-1132(E), HFO-1123, R1234yf, and R32 based on their sum is respectively represented by x, y, z, and a,
- if 0<a≤11.1, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is (100−a) mass % are within the range of a figure surrounded by straight lines GI, IA, AB, BD′, D′ C, and CG that connect the following 6 points:
- point G (0.026a2−1.7478a+72.0, −0.026a2+0.7478a+28.0, 0.0),
point I (0.026a2−1.7478a+72.0, 0.0, −0.026a2+0.7478a+28.0),
point A (0.0134a2−1.9681a+68.6, 0.0, −0.0134a2+0.9681a+31.4),
point B (0.0, 0.0144a2−1.6377a+58.7, −0.0144a2+0.6377a+41.3),
point D′ (0.0, 0.0224a2+0.968a+75.4, −0.0224a2−1.968a+24.6), and
point C (−0.2304a2−0.4062a+32.9, 0.2304a2−0.5938a+67.1, 0.0),
or on the straight lines GI, AB, and D′C (excluding point G, point I, point A, point B, point D′, and point C); - if 11.1<a≤18.2, coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines GI, IA, AB, BW, and WG that connect the following 5 points:
- point G (0.02a2−1.6013a+71.105, −0.02a2+0.6013a+28.895, 0.0),
point I (0.02a2−1.6013a+71.105, 0.0, −0.02a2+0.6013a+28.895),
point A (0.0112a2−1.9337a+68.484, 0.0, −0.0112a2+0.9337a+31.516),
point B (0.0, 0.0075a2−1.5156a+58.199, −0.0075a2+0.5156a+41.801) and
point W (0.0, 100.0−a, 0.0),
or on the straight lines GI and AB (excluding point G, point I, point A, point B, and point W); - if 18.2<a≤26.7, coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines GI, IA, AB, BW, and WG that connect the following 5 points:
- point G (0.0135a2−1.4068a+69.727, −0.0135a2+0.4068a+30.273, 0.0),
point I (0.0135a2−1.4068a+69.727, 0.0, −0.0135a2+0.4068a+30.273),
point A (0.0107a2−1.9142a+68.305, 0.0, −0.0107a2+0.9142a+31.695),
point B (0.0, 0.009a2−1.6045a+59.318, −0.009a2+0.6045a+40.682) and
point W (0.0, 100.0−a, 0.0),
or on the straight lines GI and AB (excluding point G, point I, point A, point B, and point W); - if 26.7<a≤36.7, coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines GI, IA, AB, BW, and WG that connect the following 5 points:
- point G (0.0111a2−1.3152a+68.986, −0.0111a2+0.3152a+31.014, 0.0),
point I (0.0111a2−1.3152a+68.986, 0.0, −0.0111a2+0.3152a+31.014),
point A (0.0103a2−1.9225a+68.793, 0.0, −0.0103a2+0.9225a+31.207),
point B (0.0, 0.0046a2−1.41a+57.286, −0.0046a2+0.41a+42.714) and
point W (0.0, 100.0−a, 0.0),
or on the straight lines GI and AB (excluding point G, point I, point A, point B, and point W); and - if 36.7<a≤46.7, coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines GI, IA, AB, BW, and WG that connect the following 5 points:
- point G (0.0061a2−0.9918a+63.902, −0.0061a2−0.0082a+36.098, 0.0),
point I (0.0061a2−0.9918a+63.902, 0.0, −0.0061a2−0.0082a+36.098),
point A (0.0085a2−1.8102a+67.1, 0.0, −0.0085a2+0.8102a+32.9),
point B (0.0, 0.0012a2−1.1659a+52.95, −0.0012a2+0.1659a+47.05) and
point W (0.0, 100.0−a, 0.0),
or on the straight lines GI and AB (excluding point G, point I, point A, point B, and point W). When the refrigerant according to the present disclosure satisfies the above requirements, it has a refrigerating capacity ratio of 85% or more relative to that of R410A, and a COP ratio of 92.5% or more relative to that of R410A, and further ensures a WCF lower flammability. - The refrigerant C according to the present disclosure is preferably a refrigerant wherein
- when the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum is respectively represented by x, y, and z,
- if 0<a≤11.1, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is (100−a) mass % are within the range of a figure surrounded by straight lines JK′, K′B, BD′, D′C, and CJ that connect the following 5 points:
- point J (0.0049a2−0.9645a+47.1, −0.0049a2−0.0355a+52.9, 0.0),
point K′ (0.0514a2−2.4353a+61.7, −0.0323a2+0.4122a+5.9, −0.0191a2+1.0231a+32.4),
point B (0.0, 0.0144a2−1.6377a+58.7, −0.0144a2+0.6377a+41.3),
point D′ (0.0, 0.0224a2+0.968a+75.4, −0.0224a2−1.968a+24.6), and
point C (−0.2304a2−0.4062a+32.9, 0.2304a2−0.5938a+67.1, 0.0),
or on the straight lines JK′, K′B, and D′C (excluding point J, point B, point D′, and point C); - if 11.1<a≤18.2, coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines JK′, K′B, BW, and WJ that connect the following 4 points:
- point J (0.0243a2−1.4161a+49.725, −0.0243a2+0.4161a+50.275, 0.0),
point K′ (0.0341a2−2.1977a+61.187, −0.0236a2+0.34a+5.636, −0.0105a2+0.8577a+33.177),
point B (0.0, 0.0075a2−1.5156a+58.199, −0.0075a2+0.5156a+41.801) and
point W (0.0, 100.0−a, 0.0),
or on the straight lines JK′ and K′B (excluding point J, point B, and point W); - if 18.2<a≤26.7, coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines JK′, K′B, BW, and WJ that connect the following 4 points:
- point J (0.0246a2−1.4476a+50.184, −0.0246a2+0.4476a+49.816, 0.0),
point K′ (0.0196a2−1.7863a+58.515, −0.0079a2−0.1136a+8.702, −0.0117a2+0.8999a+32.783),
point B (0.0, 0.009a2−1.6045a+59.318, −0.009a2+0.6045a+40.682) and
point W (0.0, 100.0−a, 0.0),
or on the straight lines JK′ and K′B (excluding point J, point B, and point W); - if 26.7<a≤36.7, coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines JK′, K′A, AB, BW, and WJ that connect the following 5 points:
- point J (0.0183a2−1.1399a+46.493, −0.0183a2+0.1399a+53.507, 0.0),
point K′ (−0.0051a2+0.0929a+25.95, 0.0, 0.0051a2−1.0929a+74.05),
point A (0.0103a2−1.9225a+68.793, 0.0, −0.0103a2+0.9225a+31.207),
point B (0.0, 0.0046a2−1.41a+57.286, −0.0046a2+0.41a+42.714) and
point W (0.0, 100.0−a, 0.0),
or on the straight lines JK′, K′A, and AB (excluding point J, point B, and point W); and - if 36.7<a≤46.7, coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines JK′, K′A, AB, BW, and WJ that connect the following 5 points:
- point J (−0.0134a2+1.0956a+7.13, 0.0134a2−2.0956a+92.87, 0.0),
point K′ (−1.892a+29.443, 0.0, 0.892a+70.557),
point A (0.0085a2−1.8102a+67.1, 0.0, −0.0085a2+0.8102a+32.9),
point B (0.0, 0.0012a2−1.1659a+52.95, −0.0012a2+0.1659a+47.05) and
point W (0.0, 100.0−a, 0.0),
or on the straight lines JK′, K′A, and AB (excluding point J, point B, and point W). When the refrigerant according to the present disclosure satisfies the above requirements, it has a refrigerating capacity ratio of 85% or more relative to that of R410A, and a COP ratio of 92.5% or more relative to that of R410A. Additionally, the refrigerant has a WCF lower flammability and a WCFF lower flammability, and is classified as “Class 2L,” which is a lower flammable refrigerant according to the ASHRAE standard. - When the refrigerant C according to the present disclosure further contains R32 in addition to HFO-1132 (E), HFO-1123, and R1234yf, the refrigerant may be a refrigerant wherein when the mass % of HFO-1132(E), HFO-1123, R1234yf, and R32 based on their sum is respectively represented by x, y, z, and a,
- if 0<a≤10.0, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is (100−a) mass % are within the range of a figure surrounded by straight lines that connect the following 4 points:
- point a (0.02a2−2.46a+93.4, 0, −0.02a2+2.46a+6.6),
point b′ (−0.008a2−1.38a+56, 0.018a2−0.53a+26.3, −0.01a2+1.91a+17.7),
point c (−0.016a2+1.02a+77.6, 0.016a2−1.02a+22.4, 0), and
point o (100.0−a, 0.0, 0.0)
or on the straight lines oa, ab′, and b′c (excluding point o and point c); - if 10.0<a≤16.5, coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines that connect the following 4 points:
- point a (0.0244a2−2.5695a+94.056, 0, −0.0244a2+2.5695a+5.944),
point b′ (0.1161a2−1.9959a+59.749, 0.014a2−0.3399a+24.8, −0.1301a2+2.3358a+15.451),
point c (−0.0161a2+1.02a+77.6, 0.0161a2−1.02a+22.4, 0), and
point o (100.0−a, 0.0, 0.0),
or on the straight lines oa, ab′, and b′c (excluding point o and point c); or - if 16.5<a≤21.8, coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines that connect the following 4 points:
- point a (0.0161a2−2.3535a+92.742, 0, −0.0161a2+2.3535a+7.258),
point b′ (−0.0435a2−0.0435a+50.406, 0.0304a2+1.8991a−0.0661, 0.0739a2−1.8556a+49.6601),
point c (−0.0161a2+0.9959a+77.851, 0.0161a2−0.9959a+22.149, 0), and
point o (100.0−a, 0.0, 0.0),
or on the straight lines oa, ab′, and b′c (excluding point o and point c). Note that when point b in the ternary composition diagram is defined as a point where a refrigerating capacity ratio of 95% relative to that of R410A and a COP ratio of 95% relative to that of R410A are both achieved, point b′ is the intersection of straight line ab and an approximate line formed by connecting the points where the COP ratio relative to that of R410A is 95%. When the refrigerant according to the present disclosure meets the above requirements, the refrigerant has a refrigerating capacity ratio of 95% or more relative to that of R410A, and a COP ratio of 95% or more relative to that of R410A. - The refrigerant C according to the present disclosure may further comprise other additional refrigerants in addition to HFO-1132(E), HFO-1123, R1234yf, and R32 as long as the above properties and effects are not impaired. In this respect, the refrigerant according to the present disclosure preferably comprises HFO-1132(E), HFO-1123, R1234yf, and R32 in a total amount of 99.5 mass % or more, more preferably 99.75 mass % or more, and still more preferably 99.9 mass % or more, based on the entire refrigerant.
- The refrigerant C according to the present disclosure may comprise HFO-1132(E), HFO-1123, R1234yf, and R32 in a total amount of 99.5 mass % or more, 99.75 mass % or more, or 99.9 mass % or more, based on the entire refrigerant.
- Additional refrigerants are not particularly limited and can be widely selected. The mixed refrigerant may contain one additional refrigerant, or two or more additional refrigerants.
- The present disclosure is described in more detail below with reference to Examples of refrigerant C. However, the refrigerant C is not limited to the Examples.
- Mixed refrigerants were prepared by mixing HFO-1132(E), HFO-1123, R1234yf, and R32 at mass % based on their sum shown in Tables 39 to 96.
- The GWP of compositions each comprising a mixture of R410A (R32=50%/R125=50%) was evaluated based on the values stated in the Intergovernmental Panel on Climate Change (IPCC), fourth report. The GWP of HFO-1132(E), which was not stated therein, was assumed to be 1 from HFO-1132a (GWP=1 or less) and HFO-1123 (GWP=0.3, described in WO2015/141678). The refrigerating capacity of compositions each comprising R410A and a mixture of HFO-1132(E) and HFO-1123 was determined by performing theoretical refrigeration cycle calculations for the mixed refrigerants using the National Institute of Science and Technology (NIST) and Reference Fluid Thermodynamic and Transport Properties Database (Refprop 9.0) under the following conditions.
- For each of these mixed refrigerants, the COP ratio and the refrigerating capacity ratio relative to those of R410 were obtained. Calculation was conducted under the following conditions.
- Evaporating temperature: 5° C.
- Condensation temperature: 45° C.
- Superheating temperature: 5 K
- Subcooling temperature: 5 K
- Compressor efficiency: 70%
- Tables 39 to 96 show the resulting values together with the GWP of each mixed refrigerant. The COP and refrigerating capacity are ratios relative to R410A.
- The coefficient of performance (COP) was determined by the following formula.
-
COP=(refrigerating capacity or heating capacity)/power consumption -
TABLE 39 Comp. Comp. Comp. Comp. Comp. Comp. Comp. Comp. Ex. 2 Ex. 3 Ex. 4 Ex. 5 Ex. 6 Ex. 7 Ex. 8 Ex. 1 Item Unit Ex. 1 A B C D′ G I J K′ HFO-1132(E) Mass % R410A 68.6 0.0 32.9 0.0 72.0 72.0 47.1 61.7 HFO-1123 Mass % 0.0 58.7 67.1 75.4 28.0 0.0 52.9 5.9 R1234yf Mass % 31.4 41.3 0.0 24.6 0.0 28.0 0.0 32.4 R32 Mass % 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 GWP — 2088 2 2 1 2 1 2 1 2 COP ratio % (relative to 100 100.0 95.5 92.5 93.1 96.6 99.9 93.8 99.4 R410A) Refrigerating % (relative to 100 85.0 85.0 107.4 95.0 103.1 86.6 106.2 85.5 capacity ratio R410A) -
TABLE 40 Comp. Comp. Comp. Comp. Comp. Comp. Comp. Ex. 9 Ex. 10 Ex. 11 Ex. 12 Ex. 13 Ex. 14 Ex. 15 Ex. 2 Item Unit A B C D′ G I J K′ HFO-1132 Mass % 55.3 0.0 18.4 0.0 60.9 60.9 40.5 47.0 (E) HFO-1123 Mass % 0.0 47.8 74.5 83.4 32.0 0.0 52.4 7.2 R1234yf Mass % 37.6 45.1 0.0 9.5 0.0 32.0 0.0 38.7 R32 Mass % 7.1 7.1 7.1 7.1 7.1 7.1 7.1 7.1 GWP — 50 50 49 49 49 50 49 50 COP % 99.8 96.9 92.5 92.5 95.9 99.6 94.0 99.2 ratio (relative to R410A) Refrigerating % 85.0 85.0 110.5 106.0 106.5 87.7 108.9 85.5 capacity ratio (relative to R410A) -
TABLE 41 Comp. Comp. Comp. Ex. Comp. Comp. Comp. Ex. 16 Ex. 17 18 Ex. 19 Ex. 20 Ex. 21 Ex. 3 Item Unit A B C = D′ G I J K′ HEO-1132(E) Mass % 48.4 0.0 0.0 55.8 55.8 37.0 41.0 HFO-1123 Mass % 0.0 42.3 88.9 33.1 0.0 51.9 6.5 R1234yf Mass % 40.5 46.6 0.0 0.0 33.1 0.0 41.4 R32 Mass % 11.1 11.1 11.1 11.1 11.1 11.1 11.1 GWP — 77 77 76 76 77 76 77 COP % 99.8 97.6 92.5 95.8 99.5 94.2 99.3 ratio (relative to R410A) Refrigerating % 85.0 85.0 112.0 108.0 88.6 110.2 85.4 capacity ratio (relative to R410A) -
TABLE 42 Comp. Comp. Comp. Comp. Comp. Ex. 22 Ex. 23 Ex. 24 Ex. 25 Ex. 26 Item Unit A B G I J Ex. 4 K′ HFO-1132(E) Mass % 42.8 0.0 52.1 52.1 34.3 36.5 HFO-1123 Mass % 0.0 37.8 33.4 0.0 51.2 5.6 R1234yf Mass % 42.7 47.7 0.0 33.4 0.0 43.4 R32 Mass % 14.5 14.5 14.5 14.5 14.5 14.5 GWP — 100 100 99 100 99 100 COP ratio % (relative to R410A) 99.9 98.1 95.8 99.5 94.4 99.5 Refrigerating % (relative to 85.0 85.0 109.1 89.6 111.1 85.3 capacity ratio R410A) -
TABLE 43 Comp. Comp. Comp. Comp. Comp. Ex. 27 Ex. 28 Ex. 29 Ex. 30 Ex. 31 Item Unit A B G I J Ex. 5 K′ HFO-1132(E) Mass % 37.0 0.0 48.6 48.6 32.0 32.5 HFO-1123 Mass % 0.0 33.1 33.2 0.0 49.8 4.0 R1234yf Mass % 44.8 48.7 0.0 33.2 0.0 45.3 R32 Mass % 18.2 18.2 18.2 18.2 18.2 18.2 GWP — 125 125 124 125 124 125 COP ratio % (relative to R410A) 100.0 98.6 95.9 99.4 94.7 99.8 Refrigerating % (relative to 85.0 85.0 110.1 90.8 111.9 85.2 capacity ratio R410A) -
TABLE 44 Comp. Comp. Comp. Comp. Comp. Ex. Ex. 32 Ex. 33 Ex. 34 Ex. 35 Ex. 36 6 Item Unit A B G I J K′ HFO-1132(E) Mass % 31.5 0.0 45.4 45.4 30.3 28.8 HFO-1123 Mass % 0.0 28.5 32.7 0.0 47.8 2.4 R1234yf Mass % 46.6 49.6 0.0 32.7 0.0 46.9 R32 Mass % 21.9 21.9 21.9 21.9 21.9 21.9 GWP — 150 150 149 150 149 150 COP ratio % (relative to R410A) 100.2 99.1 96.0 99.4 95.1 100.0 Refrigerating capacity ratio % (relative to R410A) 85.0 85.0 111.0 92.1 112.6 85.1 -
TABLE 45 Comp. Comp. Comp. Comp. Comp. Comp. Ex. 37 Ex. 38 Ex. 39 Ex. 40 Ex. 41 Ex. 42 Item Unit A B G I J K′ HFO-1132(E) Mass % 24.8 0.0 41.8 41.8 29.1 24.8 HFO-1123 Mass % 0.0 22.9 31.5 0.0 44.2 0.0 R1234yf Mass % 48.5 50.4 0.0 31.5 0.0 48.5 R32 Mass % 26.7 26.7 26.7 26.7 26.7 26.7 GWP — 182 182 181 182 181 182 COP ratio % (relative to R410A) 100.4 99.8 96.3 99.4 95.6 100.4 Refrigerating capacity ratio % (relative to R410A) 85.0 85.0 111.9 93.8 113.2 85.0 -
TABLE 46 Comp. Comp. Comp. Comp. Comp. Comp. Ex. 43 Ex. 44 Ex. 45 Ex. 46 Ex. 47 Ex. 48 Item Unit A B G I J K′ HFO-1132(E) Mass % 21.3 0.0 40.0 40.0 28.8 24.3 HFO-1123 Mass % 0.0 19.9 30.7 0.0 41.9 0.0 R1234yf Mass % 49.4 50.8 0.0 30.7 0.0 46.4 R32 Mass % 29.3 29.3 29.3 29.3 29.3 29.3 GWP — 200 200 198 199 198 200 COP ratio % (relative to 100.6 100.1 96.6 99.5 96.1 100.4 R410A) Refrigerating capacity % (relative to 85.0 85.0 112.4 94.8 113.6 86.7 ratio R410A) -
TABLE 47 Comp. Comp. Comp. Comp. Comp. Comp. Ex. 49 Ex. 50 Ex. 51 Ex. 52 Ex. 53 Ex. 54 Item Unit A B G I J K′ HFO-1132(E) Mass % 12.1 0.0 35.7 35.7 29.3 22.5 HFO-1123 Mass % 0.0 11.7 27.6 0.0 34.0 0.0 R1234yf Mass % 51.2 51.6 0.0 27.6 0.0 40.8 R32 Mass % 36.7 36.7 36.7 36.7 36.7 36.7 GWP — 250 250 248 249 248 250 COP ratio % (relative to 101.2 101.0 96.4 99.6 97.0 100.4 R410A) Refrigerating capacity % (relative to 85.0 85.0 113.2 97.6 113.9 90.9 ratio R410A) -
TABLE 48 Comp. Comp. Comp. Comp. Comp. Comp. Ex. 55 Ex. 56 Ex. 57 Ex. 58 Ex. 59 Ex. 60 Item Unit A B G I J K′ HFO-1132(E) Mass % 3.8 0.0 32.0 32.0 29.4 21.1 HFO-1123 Mass % 0.0 3.9 23.9 0.0 26.5 0.0 R1234yf Mass % 52.1 52.0 0.0 23.9 0.0 34.8 R32 Mass % 44.1 44.1 44.1 44.1 44.1 44.1 GWP — 300 300 298 299 298 299 COP ratio % (relative to 101.8 101.8 97.9 99.8 97.8 100.5 R410A) Refrigerating capacity % (relative to 85.0 85.0 113.7 100.4 113.9 94.9 ratio R410A) -
TABLE 49 Comp. Comp. Comp. Comp. Comp. Ex. 61 Ex. 62 Ex. 63 Ex. 64 Ex. 65 Item Unit A = B G I J K′ HFO-1132(E) Mass % 0.0 30.4 30.4 28.9 20.4 HFO-1123 Mass % 0.0 21.8 0.0 23.3 0.0 R1234yf Mass % 52.2 0.0 21.8 0.0 31.8 R32 Mass % 47.8 47.8 47.8 47.8 47.8 GWP — 325 323 324 323 324 COP ratio % (relative to R410A) 102.1 98.2 100.0 98.2 100.6 Refrigerating capacity ratio % (relative to R410A) 85.0 113.8 101.8 113.9 96.8 -
TABLE 50 Comp. Ex. Ex. Ex. Ex. Item Unit Ex. 66 Ex. 7 Ex. 8 Ex. 9 10 11 12 13 HFO-1132(E) Mass % 5.0 10.0 15.0 20.0 25.0 30.0 35.0 40.0 HFO-1123 Mass % 82.9 77.9 72.9 67.9 62.9 57.9 52.9 47.9 R1234yf Mass % 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 R32 Mass % 7.1 7.1 7.1 7.1 7.1 7.1 7.1 7.1 GWP — 49 49 49 49 49 49 49 49 COP ratio % (relative to 92.4 92.6 92.8 93.1 93.4 93.7 94.1 94.5 R410A) Refrigerating capacity % (relative to 108.4 108.3 108.2 107.9 107.6 107.2 106.8 106.3 ratio R410A) -
TABLE 51 Ex. Ex. Ex. Ex. Comp. Ex. Ex. Ex. Item Unit 14 15 16 17 Ex. 67 18 19 20 HFO-1132(E) Mass % 45.0 50.0 55.0 60.0 65.0 10.0 15.0 20.0 HFO-1123 Mass % 42.9 37.9 32.9 27.9 22.9 72.9 67.9 62.9 R1234yf Mass % 5.0 5.0 5.0 5.0 5.0 10.0 10.0 10.0 R32 Mass % 7.1 7.1 7.1 7.1 7.1 7.1 7.1 7.1 GWP — 49 49 49 49 49 49 49 49 COP ratio % (relative to 95.0 95.4 95.9 96.4 96.9 93.0 93.3 93.6 R410A) Refrigerating capacity % (relative to 105.8 105.2 104.5 103.9 103.1 105.7 105.5 105.2 ratio R410A) -
TABLE 52 Item Unit Ex. 21 Ex. 22 Ex. 23 Ex. 24 Ex. 25 Ex. 26 Ex. 27 Ex. 28 HFO-1132(E) Mass % 25.0 30.0 35.0 40.0 45.0 50.0 55.0 60.0 HFO-1123 Mass % 57.9 52.9 47.9 42.9 37.9 32.9 27.9 22.9 R1234yf Mass % 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 R32 Mass % 7.1 7.1 7.1 7.1 7.1 7.1 7.1 7.1 GWP — 49 49 49 49 49 49 49 49 COP ratio % (relative to R410A) 93.9 94.2 94.6 95.0 95.5 96.0 96.4 96.9 Refrigerating capacity ratio % (relative to R410A) 104.9 104.5 104.1 103.6 103.0 102.4 101.7 101.0 -
TABLE 53 Comp. Item Unit Ex. 68 Ex. 29 Ex. 30 Ex. 31 Ex. 32 Ex. 33 Ex. 34 Ex. 35 HFO-1132(E) Mass % 65.0 10.0 15.0 20.0 25.0 30.0 35.0 40.0 HFO-1123 Mass % 17.9 67.9 62.9 57.9 52.9 47.9 42.9 37.9 R1234yf Mass % 10.0 15.0 15.0 15.0 15.0 15.0 15.0 15.0 R32 Mass % 7.1 7.1 7.1 7.1 7.1 7.1 7.1 7.1 GWP — 49 49 49 49 49 49 49 49 COP ratio % (relative to R410A) 97.4 93.5 93.8 94.1 94.4 94.8 95.2 95.6 Refrigerating capacity ratio % (relative to R410A) 100.3 102.9 102.7 102.5 102.1 101.7 101.2 100.7 -
TABLE 54 Comp. Item Unit Ex. 36 Ex. 37 Ex. 38 Ex. 39 Ex. 69 Ex. 40 Ex. 41 Ex. 42 HFO-1132(E) Mass % 45.0 50.0 55.0 60.0 65.0 10.0 15.0 20.0 HFO-1123 Mass % 32.9 27.9 22.9 17.9 12.9 62.9 57.9 52.9 R1234yf Mass % 15.0 15.0 15.0 15.0 15.0 20.0 20.0 20.0 R32 Mass % 7.1 7.1 7.1 7.1 7.1 7.1 7.1 7.1 GWP — 49 49 49 49 49 49 49 49 COP ratio % (relative to R410A) 96.0 96.5 97.0 97.5 98.0 94.0 94.3 94.6 Refrigerating capacity ratio % (relative to R410A) 100.1 99.5 98.9 98.1 97.4 100.1 99.9 99.6 -
TABLE 55 Item Unit Ex. 43 Ex. 44 Ex. 45 Ex. 46 Ex. 47 Ex. 48 Ex. 49 Ex. 50 HFO-1132(E) Mass % 25.0 30.0 35.0 40.0 45.0 50.0 55.0 60.0 HFO-1123 Mass % 47.9 42.9 37.9 32.9 27.9 22.9 17.9 12.9 R1234yf Mass % 20.0 20.0 20.0 20.0 20.0 20.0 20.0 20.0 R32 Mass % 7.1 7.1 7.1 7.1 7.1 7.1 7.1 7.1 GWP — 49 49 49 49 49 49 49 49 COP ratio % (relative to R410A) 95.0 95.3 95.7 96.2 96.6 97.1 97.6 98.1 Refrigerating capacity ratio % (relative to R410A) 99.2 98.8 98.3 97.8 97.2 96.6 95.9 95.2 -
TABLE 56 Comp. Item Unit Ex. 70 Ex. 51 Ex. 52 Ex. 53 Ex. 54 Ex. 55 Ex. 56 Ex. 57 HFO-1132(E) Mass % 65.0 10.0 15.0 20.0 25.0 30.0 35.0 40.0 HFO-1123 Mass % 7.9 57.9 52.9 47.9 42.9 37.9 32.9 27.9 R1234yf Mass % 20.0 25.0 25.0 25.0 25.0 25.0 25.0 25.0 R32 Mass % 7.1 7.1 7.1 7.1 7.1 7.1 7.1 7.1 GWP — 49 50 50 50 50 50 50 50 COP ratio % (relative to R410A) 98.6 94.6 94.9 95.2 95.5 95.9 96.3 96.8 Refrigerating capacity ratio % (relative to R410A) 94.4 97.1 96.9 96.7 96.3 95.9 95.4 94.8 -
TABLE 57 Comp Item Unit Ex. 58 Ex. 59 Ex. 60 Ex. 61 Ex. 71 Ex. 62 Ex. 63 Ex. 64 HFO-1132(E) Mass % 45.0 50.0 55.0 60.0 65.0 10.0 15.0 20.0 HFO-1123 Mass % 7.1 7.1 7.1 7.1 7.1 7.1 7.1 7.1 R1234yf Mass % 25.0 25.0 25.0 25.0 25.0 30.0 30.0 30.0 R32 Mass % 7.1 7.1 7.1 7.1 7.1 7.1 7.1 7.1 GWP — 50 50 50 50 50 50 50 50 COP ratio % (relative to R410A) 97.2 97.7 98.2 98.7 99.2 95.2 95.5 95.8 Refrigerating capacity ratio % (relative to R410A) 94.2 93.6 92.9 92.2 91.4 94.2 93.9 93.7 -
TABLE 58 Item Unit Ex. 65 Ex. 66 Ex. 67 Ex. 68 Ex. 69 Ex. 70 Ex. 71 Ex. 72 HFO-1132(E) Mass % 25.0 30.0 35.0 40.0 45.0 50.0 55.0 60.0 HFO-1123 Mass % 37.9 32.9 27.9 22.9 17.9 12.9 7.9 2.9 R1234yf Mass % 30.0 30.0 30.0 30.0 30.0 30.0 30.0 30.0 R32 Mass % 7.1 7.1 7.1 7.1 7.1 7.1 7.1 7.1 GWP — 50 50 50 50 50 50 50 50 COP ratio % (relative to R410A) 96.2 96.6 97.0 97.4 97.9 98.3 98.8 99.3 Refrigerating capacity ratio % (relative to R410A) 93.3 92.9 92.4 91.8 91.2 90.5 89.8 89.1 -
TABLE 59 Item Unit Ex. 73 Ex. 74 Ex. 75 Ex. 76 Ex. 77 Ex. 78 Ex. 79 Ex. 80 HFO-1132(E) Mass % 10.0 15.0 20.0 25.0 30.0 35.0 40.0 45.0 HFO-1123 Mass % 47.9 42.9 37.9 32.9 27.9 22.9 17.9 12.9 R1234yf Mass % 35.0 35.0 35.0 35.0 35.0 35.0 35.0 35.0 R32 Mass % 7.1 7.1 7.1 7.1 7.1 7.1 7.1 7.1 GWP — 50 50 50 50 50 50 50 50 COP ratio % (relative to R410A) 95.9 96.2 96.5 96.9 97.2 97.7 98.1 98.5 Refrigerating capacity ratio % (relative to R410A) 91.1 90.9 90.6 90.2 89.8 89.3 88.7 88.1 -
TABLE 60 Item Unit Ex. 81 Ex. 82 Ex. 83 Ex. 84 Ex. 85 Ex. 86 Ex. 87 Ex. 88 HFO-1132(E) Mass % 50.0 55.0 10.0 15.0 20.0 25.0 30.0 35.0 HFO-1123 Mass % 7.9 2.9 42.9 37.9 32.9 27.9 22.9 17.9 R1234yf Mass % 35.0 35.0 40.0 40.0 40.0 40.0 40.0 40.0 R32 Mass % 7.1 7.1 7.1 7.1 7.1 7.1 7.1 7.1 GWP — 50 50 50 50 50 50 50 50 COP ratio % (relative to R410A) 99.0 99.4 96.6 96.9 97.2 97.6 98.0 98.4 Refrigerating capacity ratio % (relative to R410A) 87.4 86.7 88.0 87.8 87.5 87.1 86.6 86.1 -
TABLE 61 Comp. Comp. Comp. Comp. Comp. Comp. Comp. Comp. Item Unit Ex. 72 Ex. 73 Ex. 74 Ex. 75 Ex. 76 Ex. 77 Ex. 78 Ex. 79 HFO-1132(E) Mass % 40.0 45.0 50.0 10.0 15.0 20.0 25.0 30.0 HFO-1123 Mass % 12.9 7.9 2.9 37.9 32.9 27.9 22.9 17.9 R1234yf Mass % 40.0 40.0 40.0 45.0 45.0 45.0 45.0 45.0 R32 Mass % 7.1 7.1 7.1 7.1 7.1 7.1 7.1 7.1 GWP — 50 50 50 50 50 50 50 50 COP ratio % (relative to R410A) 98.8 99.2 99.6 97.4 97.7 98.0 98.3 98.7 Refrigerating capacity ratio % (relative to R410A) 85.5 84.9 84.2 84.9 84.6 84.3 83.9 83.5 -
TABLE 62 Comp. Comp. Comp. Item Unit Ex. 80 Ex. 81 Ex. 82 HFO-1132(E) Mass % 35.0 40.0 45.0 HFO-1123 Mass % 12.9 7.9 2.9 R1234yf Mass % 45.0 45.0 45.0 R32 Mass % 7.1 7.1 7.1 GWP — 50 50 50 COP ratio % (relative to R410A) 99.1 99.5 99.9 Refrigerating % (relative to R410A) 82.9 82.3 81.7 capacity ratio -
TABLE 63 Item Unit Ex. 89 Ex. 90 Ex. 91 Ex. 92 Ex. 93 Ex. 94 Ex. 95 Ex. 96 HFO-1132(E) Mass % 10.0 15.0 20.0 25.0 30.0 35.0 40.0 45.0 HFO-1123 Mass % 70.5 65.5 60.5 55.5 50.5 45.5 40.5 35.5 R1234yf Mass % 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 R32 Mass % 14.5 14.5 14.5 14.5 14.5 14.5 14.5 14.5 GWP — 99 99 99 99 99 99 99 99 COP ratio % (relative to R410A) 93.7 93.9 94.1 94.4 94.7 95.0 95.4 95.8 Refrigerating capacity ratio % (relative to R410A) 110.2 110.0 109.7 109.3 108.9 108.4 107.9 107.3 -
TABLE 64 Comp. Item Unit Ex. 97 Ex. 83 Ex. 98 Ex. 99 Ex. 100 Ex. 101 Ex. 102 Ex. 103 HFO-1132(E) Mass % 50.0 55.0 10.0 15.0 20.0 25.0 30.0 35.0 HFO-1123 Mass % 30.5 25.5 65.5 60.5 55.5 50.5 45.5 40.5 R1234yf Mass % 5.0 5.0 10.0 10.0 10.0 10.0 10.0 10.0 R32 Mass % 14.5 14.5 14.5 14.5 14.5 14.5 14.5 14.5 GWP — 99 99 99 99 99 99 99 99 COP ratio % (relative to R410A) 96.2 96.6 94.2 94.4 94.6 94.9 95.2 95.5 Refrigerating capacity ratio % (relative to R410A) 106.6 106.0 107.5 107.3 107.0 106.6 106.1 105.6 -
TABLE 65 Comp. Item Unit Ex. 104 Ex. 105 Ex. 106 Ex. 84 Ex. 107 Ex. 108 Ex. 109 Ex. 110 HFO-1132(E) Mass % 40.0 45.0 50.0 55.0 10.0 15.0 20.0 25.0 HFO-1123 Mass % 35.5 30.5 25.5 20.5 60.5 55.5 50.5 45.5 R1234yf Mass % 10.0 10.0 10.0 10.0 15.0 15.0 15.0 15.0 R32 Mass % 14.5 14.5 14.5 14.5 14.5 14.5 14.5 14.5 GWP — 99 99 99 99 99 99 99 99 COP ratio % (relative to R410A) 95.9 96.3 96.7 97.1 94.6 94.8 95.1 95.4 Refrigerating capacity ratio % (relative to R410A) 105.1 104.5 103.8 103.1 104.7 104.5 104.1 103.7 -
TABLE 66 Comp. Item Unit Ex. 111 Ex. 112 Ex. 113 Ex. 114 Ex. 115 Ex. 85 Ex. 116 Ex. 117 HFO-1132(E) Mass % 30.0 35.0 40.0 45.0 50.0 55.0 10.0 15.0 HFO-1123 Mass % 40.5 35.5 30.5 25.5 20.5 15.5 55.5 50.5 R1234yf Mass % 15.0 15.0 15.0 15.0 15.0 15.0 20.0 20.0 R32 Mass % 14.5 14.5 14.5 14.5 14.5 14.5 14.5 14.5 GWP — 99 99 99 99 99 99 99 99 COP ratio % (relative to R410A) 95.7 96.0 96.4 96.8 97.2 97.6 95.1 95.3 Refrigerating capacity ratio % (relative to R410A) 103.3 102.8 102.2 101.6 101.0 100.3 101.8 101.6 -
TABLE 67 Comp. Item Unit Ex. 118 Ex. 119 Ex. 120 Ex. 121 Ex. 122 Ex. 123 Ex. 124 Ex. 86 HFO-1132(E) Mass % 20.0 25.0 30.0 35.0 40.0 45.0 50.0 55.0 HFO-1123 Mass % 45.5 40.5 35.5 30.5 25.5 20.5 15.5 10.5 R1234yf Mass % 20.0 20.0 20.0 20.0 20.0 20.0 20.0 20.0 R32 Mass % 14.5 14.5 14.5 14.5 14.5 14.5 14.5 14.5 GWP — 99 99 99 99 99 99 99 99 COP ratio % (relative to R410A) 95.6 95.9 96.2 96.5 96.9 97.3 97.7 98.2 Refrigerating capacity ratio % (relative to R410A) 101.2 100.8 100.4 99.9 99.3 98.7 98.0 97.3 -
TABLE 68 Ex. Ex. Ex. Ex. Ex. Ex. Ex. Ex. Item Unit 125 126 127 128 129 130 131 132 HFO-1132(E) Mass % 10.0 15.0 20.0 25.0 30.0 35.0 40.0 45.0 HFO-1123 Mass % 50.5 45.5 40.5 35.5 30.5 25.5 20.5 15.5 R1234yf Mass % 25.0 25.0 25.0 25.0 25.0 25.0 25.0 25.0 R32 Mass % 14.5 14.5 14.5 14.5 14.5 14.5 14.5 14.5 GWP — 99 99 99 99 99 99 99 99 COP ratio % (relative to 95.6 95.9 96.1 96.4 96.7 97.1 97.5 97.9 R410A) Refrigerating capacity % (relative to 98.9 98.6 98.3 97.9 97.4 96.9 96.3 95.7 ratio R410A) -
TABLE 69 Comp. Ex. Ex. Ex. Ex. Ex. Ex. Ex. Ex. Item Unit 133 87 134 135 136 137 138 139 HFO-1132(E) Mass % 50.0 55.0 10.0 15.0 20.0 25.0 30.0 35.0 HFO-1123 Mass % 10.5 5.5 45.5 40.5 35.5 30.5 25.5 20.5 R1234yf Mass % 25.0 25.0 30.0 30.0 30.0 30.0 30.0 30.0 R32 Mass % 14.5 14.5 14.5 14.5 14.5 14.5 14.5 14.5 GWP — 99 99 100 100 100 100 100 100 COP ratio % (relative to 98.3 98.7 96.2 96.4 96.7 97.0 97.3 97.7 R410A) Refrigerating capacity % (relative to 95.0 94.3 95.8 95.6 95.2 94.8 94.4 93.8 ratio R410A) -
TABLE 70 Ex. Ex. Ex. Ex. Ex. Ex. Ex. Ex. Item Unit 140 141 142 143 144 145 146 147 HFO-1132(E) Mass % 40.0 45.0 50.0 10.0 15.0 20.0 25.0 30.0 HFO-1123 Mass % 15.5 10.5 5.5 40.5 35.5 30.5 25.5 20.5 R1234yf Mass % 30.0 30.0 30.0 35.0 35.0 35.0 35.0 35.0 R32 Mass % 14.5 14.5 14.5 14.5 14.5 14.5 14.5 14.5 GWP — 100 100 100 100 100 100 100 100 COP ratio % (relative to 98.1 98.5 98.9 96.8 97.0 97.3 97.6 97.9 R410A) Refrigerating capacity % (relative to 93.3 92.6 92.0 92.8 92.5 92.2 91.8 91.3 ratio R410A) -
TABLE 71 Ex. Ex. Ex. Ex. Ex. Ex. Ex. Ex. Item Unit 148 149 150 151 152 153 154 155 HFO-1132(E) Mass % 35.0 40.0 45.0 10.0 15.0 20.0 25.0 30.0 HFO-1123 Mass % 15.5 10.5 5.5 35.5 30.5 25.5 20.5 15.5 R1234yf Mass % 35.0 35.0 35.0 40.0 40.0 40.0 40.0 40.0 R32 Mass % 14.5 14.5 14.5 14.5 14.5 14.5 14.5 14.5 GWP — 100 100 100 100 100 100 100 100 COP ratio % (relative to 98.3 98.7 99.1 97.4 97.7 98.0 98.3 98.6 R410A) Refrigerating capacity % (relative to 90.8 90.2 89.6 89.6 89.4 89.0 88.6 88.2 ratio R410A) -
TABLE 72 Comp. Comp. Comp. Ex. Ex. Ex. Ex. Ex. Ex. Ex. Ex. Item Unit 156 157 158 159 160 88 89 90 HFO-1132(E) Mass % 35.0 40.0 10.0 15.0 20.0 25.0 30.0 35.0 HFO-1123 Mass % 10.5 5.5 30.5 25.5 20.5 15.5 10.5 5.5 R1234yf Mass % 40.0 40.0 45.0 45.0 45.0 45.0 45.0 45.0 R32 Mass % 14.5 14.5 14.5 14.5 14.5 14.5 14.5 14.5 GWP — 100 100 100 100 100 100 100 100 COP ratio % (relative to 98.9 99.3 98.1 98.4 98.7 98.9 99.3 99.6 R410A) Refrigerating capacity % (relative to 87.6 87.1 86.5 86.2 85.9 85.5 85.0 84.5 ratio R410A) -
TABLE 73 Comp. Comp. Comp. Comp. Comp. Item Unit Ex. 91 Ex. 92 Ex. 93 Ex. 94 Ex. 95 HFO-1132(E) Mass % 10.0 15.0 20.0 25.0 30.0 HFO-1123 Mass % 25.5 20.5 15.5 10.5 5.5 R1234yf Mass % 50.0 50.0 50.0 50.0 50.0 R32 Mass % 14.5 14.5 14.5 14.5 14.5 GWP — 100 100 100 100 100 COP ratio % (relative to 98.9 99.1 99.4 99.7 100.0 R410A) Refrigerating capacity % (relative to 83.3 83.0 82.7 82.2 81.8 ratio R410A) -
TABLE 74 Ex. Ex. Ex. Ex. Ex. Ex. Ex. Ex. Item Unit 161 162 163 164 165 166 167 168 HFO-1132(E) Mass % 10.0 15.0 20.0 25.0 30.0 35.0 40.0 45.0 HFO-1123 Mass % 63.1 58.1 53.1 48.1 43.1 38.1 33.1 28.1 R1234yf Mass % 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 R32 Mass % 21.9 21.9 21.9 21.9 21.9 21.9 21.9 21.9 GWP — 149 149 149 149 149 149 149 149 COP ratio % (relative to 94.8 95.0 95.2 95.4 95.7 95.9 96.2 96.6 R410A) Refrigerating capacity % (relative to 111.5 111.2 110.9 110.5 110.0 109.5 108.9 108.3 ratio R410A) -
TABLE 75 Comp. Ex. Ex. Ex. Ex. Ex. Ex. Ex. Ex. Item Unit 96 169 170 171 172 173 174 175 HFO-1132(E) Mass % 50.0 10.0 15.0 20.0 25.0 30.0 35.0 40.0 HFO-1123 Mass % 23.1 58.1 53.1 48.1 43.1 38.1 33.1 28.1 R1234yf Mass % 5.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 R32 Mass % 21.9 21.9 21.9 21.9 21.9 21.9 21.9 21.9 GWP — 149 149 149 149 149 149 149 149 COP ratio % (relative to 96.9 95.3 95.4 95.6 95.8 96.1 96.4 96.7 R410A) Refrigerating capacity % (relative to 107.7 108.7 108.5 108.1 107.7 107.2 106.7 106.1 ratio R410A) -
TABLE 76 Comp. Ex. Ex. Ex. Ex. Ex. Ex. Ex. Ex. Item Unit 176 97 177 178 179 180 181 182 HFO-1132(E) Mass % 45.0 50.0 10.0 15.0 20.0 25.0 30.0 35.0 HFO-1123 Mass % 23.1 18.1 53.1 48.1 43.1 38.1 33.1 28.1 R1234yf Mass % 10.0 10.0 15.0 15.0 15.0 15.0 15.0 15.0 R32 Mass % 21.9 21.9 21.9 21.9 21.9 21.9 21.9 21.9 GWP — 149 149 149 149 149 149 149 149 COP ratio % (relative to 97.0 97.4 95.7 95.9 96.1 96.3 96.6 96.9 R410A) Refrigerating capacity % (relative to 105.5 104.9 105.9 105.6 105.3 104.8 104.4 103.8 ratio R410A) -
TABLE 77 Comp. Ex. Ex. Ex. Ex. Ex. Ex. Ex. Ex. Item Unit 183 184 98 185 186 187 188 189 HFO-1132(E) Mass % 40.0 45.0 50.0 10.0 15.0 20.0 25.0 30.0 HFO-1123 Mass % 23.1 18.1 13.1 48.1 43.1 38.1 33.1 28.1 R1234yf Mass % 15.0 15.0 15.0 20.0 20.0 20.0 20.0 20.0 R32 Mass % 21.9 21.9 21.9 21.9 21.9 21.9 21.9 21.9 GWP — 149 149 149 149 149 149 149 149 COP ratio % (relative to 97.2 97.5 97.9 96.1 96.3 96.5 96.8 97.1 R410A) Refrigerating capacity % (relative to 103.3 102.6 102.0 103.0 102.7 102.3 101.9 101.4 ratio R410A) -
TABLE 78 Comp. Ex. Ex. Ex. Ex. Ex. Ex. Ex. Ex. Item Unit 190 191 192 99 193 194 195 196 HFO-1132(E) Mass % 35.0 40.0 45.0 50.0 10.0 15.0 20.0 25.0 HFO-1123 Mass % 23.1 18.1 13.1 8.1 43.1 38.1 33.1 28.1 R1234yf Mass % 20.0 20.0 20.0 20.0 25.0 25.0 25.0 25.0 R32 Mass % 21.9 21.9 21.9 21.9 21.9 21.9 21.9 21.9 GWP — 149 149 149 149 149 149 149 149 COP ratio % (relative to 97.4 97.7 98.0 98.4 96.6 96.8 97.0 97.3 R410A) Refrigerating capacity % (relative to 100.9 100.3 99.7 99.1 100.0 99.7 99.4 98.9 ratio R410A) -
TABLE 79 Comp. Ex. Ex. Ex. Ex. Ex. Ex. Ex. Ex. Item Unit 197 198 199 200 100 201 202 203 HFO-1132(E) Mass % 30.0 35.0 40.0 45.0 50.0 10.0 15.0 20.0 HFO-1123 Mass % 23.1 18.1 13.1 8.1 3.1 38.1 33.1 28.1 R1234yf Mass % 25.0 25.0 25.0 25.0 25.0 30.0 30.0 30.0 R32 Mass % 21.9 21.9 21.9 21.9 21.9 21.9 21.9 21.9 GWP — 149 149 149 149 149 150 150 150 COP ratio % (relative to 97.6 97.9 98.2 98.5 98.9 97.1 97.3 97.6 R410A) Refrigerating capacity % (relative to 98.5 97.9 97.4 96.8 96.1 97.0 96.7 96.3 ratio R410A) -
TABLE 80 Ex. Ex. Ex. Ex. Ex. Ex. Ex. Ex. Item Unit 204 205 206 207 208 209 210 211 HFO-1132(E) Mass % 25.0 30.0 35.0 40.0 45.0 10.0 15.0 20.0 HFO-1123 Mass % 23.1 18.1 13.1 8.1 3.1 33.1 28.1 23.1 R1234yf Mass % 30.0 30.0 30.0 30.0 30.0 35.0 35.0 35.0 R32 Mass % 21.9 21.9 21.9 21.9 21.9 21.9 21.9 21.9 GWP — 150 150 150 150 150 150 150 150 COP ratio % (relative to 97.8 98.1 98.4 98.7 99.1 97.7 97.9 98.1 R410A) Refrigerating capacity % (relative to 95.9 95.4 94.9 94.4 93.8 93.9 93.6 93.3 ratio R410A) -
TABLE 81 Ex. Ex. Ex. Ex. Ex. Ex. Ex. Ex. Item Unit 212 213 214 215 216 217 218 219 HFO-1132(E) Mass % 25.0 30.0 35.0 40.0 10.0 15.0 20.0 25.0 HFO-1123 Mass % 18.1 13.1 8.1 3.1 28.1 23.1 18.1 13.1 R1234yf Mass % 35.0 35.0 35.0 35.0 40.0 40.0 40.0 40.0 R32 Mass % 21.9 21.9 21.9 21.9 21.9 21.9 21.9 21.9 GWP — 150 150 150 150 150 150 150 150 COP ratio % (relative to 98.4 98.7 99.0 99.3 98.3 98.5 98.7 99.0 R410A) Refrigerating capacity % (relative to 92.9 92.4 91.9 91.3 90.8 90.5 90.2 89.7 ratio R410A) -
TABLE 82 Comp. Ex. Ex. Ex. Ex. Ex. Ex. Ex. Ex. Item Unit 220 221 222 223 224 225 226 101 HFO-1132(E) Mass % 30.0 35.0 10.0 15.0 20.0 25.0 30.0 10.0 HFO-1123 Mass % 8.1 3.1 23.1 18.1 13.1 8.1 3.1 18.1 R1234yf Mass % 40.0 40.0 45.0 45.0 45.0 45.0 45.0 50.0 R32 Mass % 21.9 21.9 21.9 21.9 21.9 21.9 21.9 21.9 GWP — 150 150 150 150 150 150 150 150 COP ratio % (relative to 99.3 99.6 98.9 99.1 99.3 99.6 99.9 99.6 R410A) Refrigerating capacity % (relative to 89.3 88.8 87.6 87.3 87.0 86.6 86.2 84.4 ratio R410A) -
TABLE 83 Comp. Comp. Comp. Item Unit Ex. 102 Ex. 103 Ex. 104 HFO-1132(E) Mass % 15.0 20.0 25.0 HFO-1123 Mass % 13.1 8.1 3.1 R1234yf Mass % 50.0 50.0 50.0 R32 Mass % 21.9 21.9 21.9 GWP — 150 150 150 COP ratio % (relative to R410A) 99.8 100.0 100.2 Refrigerating % (relative to R410A) 84.1 83.8 83.4 capacity ratio -
TABLE 84 Ex. Ex. Ex. Ex. Ex. Ex. Ex. Comp. Ex. Item Unit 227 228 229 230 231 232 233 105 HFO-1132 (E) Mass % 10.0 15.0 20.0 25.0 30.0 35.0 40.0 45.0 HFO-1123 Mass % 55.7 50.7 45.7 40.7 35.7 30.7 25.7 20.7 R1234yf Mass % 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 R32 Mass % 29.3 29.3 29.3 29.3 29.3 29.3 29.3 29.3 GWP — 199 199 199 199 199 199 199 199 COP ratio % (relative to 95.9 96.0 96.2 96.3 96.6 96.8 97.1 97.3 R410A) Refrigerating % (relative to 112.2 111.9 111.6 111.2 110.7 110.2 109.6 109.0 capacity ratio R410A) -
TABLE 85 Ex. Ex. Ex. Ex. Ex. Ex. Ex. Comp. Ex. Item Unit 234 235 236 237 238 239 240 106 HFO-1132 (E) Mass % 10.0 15.0 20.0 25.0 30.0 35.0 40.0 45.0 HFO-1123 Mass % 50.7 45.7 40.7 35.7 30.7 25.7 20.7 15.7 R1234yf Mass % 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 R32 Mass % 29.3 29.3 29.3 29.3 29.3 29.3 29.3 29.3 GWP — 199 199 199 199 199 199 199 199 COP ratio % (relative to 96.3 96.4 96.6 96.8 97.0 97.2 97.5 97.8 R410A) Refrigerating % (relative to 109.4 109.2 108.8 108.4 107.9 107.4 106.8 106.2 capacity ratio R410A) -
TABLE 86 Ex. Ex. Ex. Ex. Ex. Ex. Ex. Comp. Ex. Item Unit 241 242 243 244 245 246 247 107 HFO-1132 (E) Mass % 10.0 15.0 20.0 25.0 30.0 35.0 40.0 45.0 HFO-1123 Mass % 45.7 40.7 35.7 30.7 25.7 20.7 15.7 10.7 R1234yf Mass % 15.0 15.0 15.0 15.0 15.0 15.0 15.0 15.0 R32 Mass % 29.3 29.3 29.3 29.3 29.3 29.3 29.3 29.3 GWP — 199 199 199 199 199 199 199 199 COP ratio % (relative to 96.7 96.8 97.0 97.2 97.4 97.7 97.9 98.2 R410A) Refrigerating % (relative to 106.6 106.3 106.0 105.5 105.1 104.5 104.0 103.4 capacity ratio R410A) -
TABLE 87 Ex. Ex. Ex. Ex. Ex. Ex. Ex. Comp. Ex. Item Unit 248 249 250 251 252 253 254 108 HFO-1132 (E) Mass % 10.0 15.0 20.0 25.0 30.0 35.0 40.0 45.0 HFO-1123 Mass % 40.7 35.7 30.7 25.7 20.7 15.7 10.7 5.7 R1234yf Mass % 20.0 20.0 20.0 20.0 20.0 20.0 20.0 20.0 R32 Mass % 29.3 29.3 29.3 29.3 29.3 29.3 29.3 29.3 GWP — 199 199 199 199 199 199 199 199 COP ratio % (relative to 97.1 97.3 97.5 97.7 97.9 98.1 98.4 98.7 R410A) Refrigerating % (relative to 103.7 103.4 103.0 102.6 102.2 101.6 101.1 100.5 capacity ratio R410A) -
TABLE 88 Ex. Ex. Ex. Ex. Ex. Ex. Ex. Ex. Item Unit 255 256 257 258 259 260 261 262 HFO-1132 (E) Mass % 10.0 15.0 20.0 25.0 30.0 35.0 40.0 10.0 HFO-1123 Mass % 35.7 30.7 25.7 20.7 15.7 10.7 5.7 30.7 R1234yf Mass % 25.0 25.0 25.0 25.0 25.0 25.0 25.0 30.0 R32 Mass % 29.3 29.3 29.3 29.3 29.3 29.3 29.3 29.3 GWP — 199 199 199 199 199 199 199 199 COP ratio % (relative to 97.6 97.7 97.9 98.1 98.4 98.6 98.9 98.1 R410A) Refrigerating % (relative to 100.7 100.4 100.1 99.7 99.2 98.7 98.2 97.7 capacity ratio R410A) -
TABLE 89 Ex. Ex. Ex. Ex. Ex. Ex. Ex. Ex. Item Unit 263 264 265 266 267 268 269 270 HFO-1132 (E) Mass % 15.0 20.0 25.0 30.0 35.0 10.0 15.0 20.0 HFO-1123 Mass % 25.7 20.7 15.7 10.7 5.7 25.7 20.7 15.7 R1234yf Mass % 30.0 30.0 30.0 30.0 30.0 35.0 35.0 35.0 R32 Mass % 29.3 29.3 29.3 29.3 29.3 29.3 29.3 29.3 GWP — 199 199 199 199 199 200 200 200 COP ratio % (relative to 98.2 98.4 98.6 98.9 99.1 98.6 98.7 98.9 R410A) Refrigerating % (relative to 97.4 97.1 96.7 96.2 95.7 94.7 94.4 94.0 capacity ratio R410A) -
TABLE 90 Ex. Ex. Ex. Ex. Ex. Ex. Ex. Ex. Item Unit 271 272 273 274 275 276 277 278 HFO-1132 (E) Mass % 25.0 30.0 10.0 15.0 20.0 25.0 10.0 15.0 HFO-1123 Mass % 10.7 5.7 20.7 15.7 10.7 5.7 15.7 10.7 R1234yf Mass % 35.0 35.0 40.0 40.0 40.0 40.0 45.0 45.0 R32 Mass % 29.3 29.3 29.3 29.3 29.3 29.3 29.3 29.3 GWP — 200 200 200 200 200 200 200 200 COP ratio % (relative to 99.2 99.4 99.1 99.3 99.5 99.7 99.7 99.8 R410A) Refrigerating % (relative to 93.6 93.2 91.5 91.3 90.9 90.6 88.4 88.1 capacity ratio R410A) -
TABLE 91 Comp. Comp. Item Unit Ex. 279 Ex. 280 Ex. 109 Ex. 110 HFO-1132(E) Mass % 20.0 10.0 15.0 10.0 HFO-1123 Mass % 5.7 10.7 5.7 5.7 R1234yf Mass % 45.0 50.0 50.0 55.0 R32 Mass % 29.3 29.3 29.3 29.3 GWP — 200 200 200 200 COP ratio % (relative 100.0 100.3 100.4 100.9 to R410A) Refrigerating % (relative 87.8 85.2 85.0 82.0 capacity ratio to R410A) -
TABLE 92 Ex. Ex. Ex. Ex. Ex. Comp. Ex. Ex. Ex. Item Unit 281 282 283 284 285 111 286 287 HFO-1132 (E) Mass % 10.0 15.0 20.0 25.0 30.0 35.0 10.0 15.0 HFO-1123 Mass % 40.9 35.9 30.9 25.9 20.9 15.9 35.9 30.9 R1234yf Mass % 5.0 5.0 5.0 5.0 5.0 5.0 10.0 10.0 R32 Mass % 44.1 44.1 44.1 44.1 44.1 44.1 44.1 44.1 GWP — 298 298 298 298 298 298 299 299 COP ratio % (relative to 97.8 97.9 97.9 98.1 98.2 98.4 98.2 98.2 R410A) Refrigerating % (relative to 112.5 112.3 111.9 111.6 111.2 110.7 109.8 109.5 capacity ratio R410A) -
TABLE 93 Ex. Ex. Ex. Comp. Ex. Ex. Ex. Ex. Ex. Item Unit 288 289 290 112 291 292 293 294 HFO-1132 (E) Mass % 20.0 25.0 30.0 35.0 10.0 15.0 20.0 25.0 HFO-1123 Mass % 25.9 20.9 15.9 10.9 30.9 25.9 20.9 15.9 R1234yf Mass % 10.0 10.0 10.0 10.0 15.0 15.0 15.0 15.0 R32 Mass % 44.1 44.1 44.1 44.1 44.1 44.1 44.1 44.1 GWP — 299 299 299 299 299 299 299 299 COP ratio % (relative to 98.3 98.5 98.6 98.8 98.6 98.6 98.7 98.9 R410A) Refrigerating % (relative to 109.2 108.8 108.4 108.0 107.0 106.7 106.4 106.0 capacity ratio R410A) -
TABLE 94 Ex. Comp. Ex. Ex. Ex. Ex. Ex. Ex. Ex. Item Unit 295 113 296 297 298 299 300 301 HFO-1132 (E) Mass % 30.0 35.0 10.0 15.0 20.0 25.0 30.0 10.0 HFO-1123 Mass % 10.9 5.9 25.9 20.9 15.9 10.9 5.9 20.9 R1234yf Mass % 15.0 15.0 20.0 20.0 20.0 20.0 20.0 25.0 R32 Mass % 44.1 44.1 44.1 44.1 44.1 44.1 44.1 44.1 GWP — 299 299 299 299 299 299 299 299 COP ratio % (relative to 99.0 99.2 99.0 99.0 99.2 99.3 99.4 99.4 R410A) Refrigerating % (relative to 105.6 105.2 104.1 103.9 103.6 103.2 102.8 101.2 capacity ratio R410A) -
TABLE 95 Ex. Ex. Ex. Ex. Ex. Ex. Ex. Ex. Item Unit 302 303 304 305 306 307 308 309 HFO-1132 (E) Mass % 15.0 20.0 25.0 10.0 15.0 20.0 10.0 15.0 HFO-1123 Mass % 15.9 10.9 5.9 15.9 10.9 5.9 10.9 5.9 R1234yf Mass % 25.0 25.0 25.0 30.0 30.0 30.0 35.0 35.0 R32 Mass % 44.1 44.1 44.1 44.1 44.1 44.1 44.1 44.1 GWP — 299 299 299 299 299 299 299 299 COP ratio % (relative to 99.5 99.6 99.7 99.8 99.9 100.0 100.3 100.4 R410A) Refrigerating % (relative to 101.0 100.7 100.3 98.3 98.0 97.8 95.3 95.1 capacity ratio R410A) -
TABLE 96 Item Unit Ex. 400 HFO-1132(E) Mass % 10.0 HFO-1123 Mass % 5.9 R1234yf Mass % 40.0 R32 Mass % 44.1 GWP — 299 COP ratio % (relative to R410A) 100.7 Refrigerating capacity % (relative to R410A) 92.3 ratio - The above results indicate that the refrigerating capacity ratio relative to R410A is 85% or more in the following cases:
- When the mass % of HFO-1132(E), HFO-1123, R1234yf, and R32 based on their sum is respectively represented by x, y, z, and a, in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is (100−a) mass %, a straight line connecting a point (0.0, 100.0−a, 0.0) and a point (0.0, 0.0, 100.0−a) is the base, and the point (0.0, 100.0−a, 0.0) is on the left side, if 0<a≤11.1, coordinates (x,y,z) in the ternary composition diagram are on, or on the left side of, a straight line AB that connects point A (0.0134a2−1.9681a+68.6, 0.0, −0.0134a2+0.9681a+31.4) and point B (0.0, 0.0144a2−1.6377a+58.7, −0.0144a2+0.6377a+41.3);
- if 11.1<a≤18.2, coordinates (x,y,z) in the ternary composition diagram are on, or on the left side of, a straight line AB that connects point A (0.0112a2−1.9337a+68.484, 0.0, −0.0112a2+0.9337a+31.516) and point B (0.0, 0.0075a2−1.5156a+58.199, −0.0075a2+0.5156a+41.801);
- if 18.2a<a≤26.7, coordinates (x,y,z) in the ternary composition diagram are on, or on the left side of, a straight line AB that connects point A (0.0107a2−1.9142a+68.305, 0.0, −0.0107a2+0.9142a+31.695) and point B (0.0, 0.009a2−1.6045a+59.318, −0.009a2+0.6045a+40.682);
- if 26.7<a≤36.7, coordinates (x,y,z) in the ternary composition diagram are on, or on the left side of, a straight line AB that connects point A (0.0103a2−1.9225a+68.793, 0.0, −0.0103a2+0.9225a+31.207) and point B (0.0, 0.0046a2−1.41a+57.286, −0.0046a2+0.41a+42.714); and
- if 36.7<a≤46.7, coordinates (x,y,z) in the ternary composition diagram are on, or on the left side of, a straight line AB that connects point A (0.0085a2−1.8102a+67.1, 0.0, −0.0085a2+0.8102a+32.9) and point B (0.0, 0.0012a2−1.1659a+52.95, −0.0012a2+0.1659a+47.05).
- Actual points having a refrigerating capacity ratio of 85% or more form a curved line that connects point A and point B in
FIG. 3 , and that extends toward the 1234yf side. Accordingly, when coordinates are on, or on the left side of, the straight line AB, the refrigerating capacity ratio relative to R410A is 85% or more. - Similarly, it was also found that in the ternary composition diagram, if 0<a≤11.1, when coordinates (x,y,z) are on, or on the left side of, a straight line D′C that connects point D′ (0.0, 0.0224a2+0.968a+75.4, −0.0224a2−1.968a+24.6) and point C (−0.2304a2−0.4062a+32.9, 0.2304a2−0.5938a+67.1, 0.0); or if 11.1<a≤46.7, when coordinates are in the entire region, the COP ratio relative to that of R410A is 92.5% or more.
- In
FIG. 3 , the COP ratio of 92.5% or more forms a curved line CD. InFIG. 3 , an approximate line formed by connecting three points: point C (32.9, 67.1, 0.0) and points (26.6, 68.4, 5) (19.5, 70.5, 10) where the COP ratio is 92.5% when the concentration of R1234yf is 5 mass % and 10 mass was obtained, and a straight line that connects point C and point D′ (0, 75.4, 24.6), which is the intersection of the approximate line and a point where the concentration of HFO-1132(E) is 0.0 mass % was defined as a line segment D′C. InFIG. 4 , point D′(0, 83.4, 9.5) was similarly obtained from an approximate curve formed by connecting point C (18.4, 74.5, 0) and points (13.9, 76.5, 2.5) (8.7, 79.2, 5) where the COP ratio is 92.5%, and a straight line that connects point C and point D′ was defined as the straight line D′C. - The composition of each mixture was defined as WCF. A leak simulation was performed using NIST Standard Reference Database REFLEAK Version 4.0 under the conditions of Equipment, Storage, Shipping, Leak, and Recharge according to the ASHRAE Standard 34-2013. The most flammable fraction was defined as WCFF.
- For the flammability, the burning velocity was measured according to the ANSI/ASHRAE Standard 34-2013. Both WCF and WCFF having a burning velocity of 10 cm/s or less were determined to be classified as “Class 2L (lower flammability).”
- A burning velocity test was performed using the apparatus shown in
FIG. 1 in the following manner. First, the mixed refrigerants used had a purity of 99.5% or more, and were degassed by repeating a cycle of freezing, pumping, and thawing until no traces of air were observed on the vacuum gauge. The burning velocity was measured by the closed method. The initial temperature was ambient temperature. Ignition was performed by generating an electric spark between the electrodes in the center of a sample cell. The duration of the discharge was 1.0 to 9.9 ms, and the ignition energy was typically about 0.1 to 1.0 J. The spread of the flame was visualized using schlieren photographs. A cylindrical container (inner diameter: 155 mm, length: 198 mm) equipped with two light transmission acrylic windows was used as the sample cell, and a xenon lamp was used as the light source. Schlieren images of the flame were recorded by a high-speed digital video camera at a frame rate of 600 fps and stored on a PC. - The results are shown in Tables 97 to 104.
-
TABLE 97 Comp. Ex. Comp. Ex. Comp. Ex. Comp. Ex. Comp. Ex. Comp. Ex. Item 6 13 19 24 29 34 WCF HFO-1132 (E) Mass % 72.0 60.9 55.8 52.1 48.6 45.4 HFO-1123 Mass % 28.0 32.0 33.1 33.4 33.2 32.7 R1234yf Mass % 0.0 0.0 0.0 0 0 0 R32 Mass % 0.0 7.1 11.1 14.5 18.2 21.9 Burning velocity (WCF) cm/s 10 10 10 10 10 10 -
TABLE 98 Item Comp. Ex. 39 Comp. Ex. 45 Comp. Ex. 51 Comp. Ex. 57 Comp. Ex. 62 WCF HFO-1132 (E) Mass % 41.8 40 35.7 32 30.4 HFO-1123 Mass % 31.5 30.7 23.6 23.9 21.8 R1234yf Mass % 0 0 0 0 0 R32 Mass % 26.7 29.3 36.7 44.1 47.8 Burning velocity (WCF) cm/s 10 10 10 10 10 -
TABLE 99 Comp. Ex. Comp. Ex. Comp. Ex. Comp. Ex. Comp. Ex. Comp. Ex. Item 7 14 20 25 30 35 WCF HFO-1132 (E) Mass % 72.0 60.9 55.8 52.1 48.6 45.4 HFO-1123 Mass % 0.0 0.0 0.0 0 0 0 R1234yf Mass % 28.0 32.0 33.1 33.4 33.2 32.7 R32 Mass % 0.0 7.1 11.1 14.5 18.2 21.9 Burning velocity (WCF) cm/s 10 10 10 10 10 10 -
TABLE 100 Item Comp. Ex. 40 Comp. Ex. 46 Comp. Ex. 52 Comp. Ex. 58 Comp. Ex. 63 WCF HFO-1132 (E) Mass % 41.8 40 35.7 32 30.4 HFO-1123 Mass % 0 0 0 0 0 R1234yf Mass % 31.5 30.7 23.6 23.9 21.8 R32 Mass % 26.7 29.3 36.7 44.1 47.8 Burning velocity (WCF) cm/s 10 10 10 10 10 -
TABLE 101 Item Comp. Ex. 8 Comp. Ex. 15 Comp. Ex. 21 Comp. Ex. 26 Comp. Ex. 31 Comp. Ex. 36 WCF HFO-1132(E) Mass % 47.1 40.5 37.0 34.3 32.0 30.3 HFO-1123 Mass % 52.9 52.4 51.9 51.2 49.8 47.8 R1234yf Mass % 0.0 0.0 0.0 0.0 0.0 0.0 R32 Mass % 0.0 7.1 11.1 14.5 18.2 21.9 Leak Storage/ Storage/ Storage/ Storage/ Storage/ Storage/ condition Shipping Shipping Shipping Shipping Shipping Shipping that −40° C., −40° C., −40° C., −40° C., −40° C., −40° C., results 92% 92% 92% 92% 92% 92% in release, release, release, release, release, release, WCFF liquid liquid liquid liquid liquid liquid phase phase phase phase phase phase side side side side side side WCFF HFO-1132(E) Mass % 72.0 62.4 56.2 50.6 45.1 40.0 HFO-1123 Mass % 28.0 31.6 33.0 33.4 32.5 30.5 R1234yf Mass % 0.0 0.0 0.0 20.4 0.0 0.0 R32 Mass % 0.0 50.9 10.8 16.0 22.4 29.5 Burning velocity (WCF) cm/ s 8 or less 8 or less 8 or less 8 or less 8 or less 8 or less Burning velocity (WCFF) cm/s 10 10 10 10 10 10 -
TABLE 102 Item Comp. Ex. 41 Comp. Ex. 47 Comp. Ex. 53 Comp. Ex. 59 Comp. Ex. 64 WCF HFO-1132(E) Mass % 29.1 28.8 29.3 29.4 28.9 HFO-1123 Mass % 44.2 41.9 34.0 26.5 23.3 R1234yf Mass % 0.0 0.0 0.0 0.0 0.0 R32 Mass % 26.7 29.3 36.7 44.1 47.8 Leak Storage/ Storage/ Storage/ Storage/ Storage/ condition Shipping Shipping Shipping Shipping Shipping that −40° C., −40° C., −40° C., −40° C., −40° C., results 92% 92% 92% 90% 86% in release, release, release, release, release, WCFF liquid liquid liquid gas gas phase phase phase phase phase side side side side side WCFF HFO-1132(E) Mass % 34.6 32.2 27.7 28.3 27.5 HFO-1123 Mass % 26.5 23.9 17.5 18.2 16.7 R1234yf Mass % 0.0 0.0 0.0 20.4 0.0 R32 Mass % 38.9 43.9 54.8 53.5 55.8 Burning velocity (WCF) cm/ s 8 or less 8 or less 8.3 9.3 9.6 Burning velocity (WCFF) cm/s 10 10 10 10 10 -
TABLE 103 Item Comp. Ex. 9 Comp. Ex. 16 Comp. Ex. 22 Comp. Ex. 27 Comp. Ex. 32 Comp. Ex. 37 WCF HFO-1132(E) Mass % 61.7 47.0 41.0 36.5 32.5 28.8 HFO-1123 Mass % 5.9 7.2 6.5 5.6 4.0 2.4 R1234yf Mass % 32.4 38.7 41.4 43.4 45.3 46.9 R32 Mass % 0.0 7.1 11.1 14.5 18.2 21.9 Leak Storage/ Storage/ Storage/ Storage/ Storage/ Storage/ condition Shipping Shipping Shipping Shipping Shipping Shipping that −40° C., −40° C., −40° C., −40° C., −40° C., −40° C., results 0% 0% 0% 92% 0% 0% in release, release, release, release, release, release, WCFF gas gas gas gas gas gas phase phase phase phase phase phase side side side side side side WCFF HFO-1132(E) Mass % 72.0 56.2 50.4 46.0 42.4 39.1 HFO-1123 Mass % 10.5 12.6 11.4 10.1 7.4 4.4 R1234yf Mass % 17.5 20.4 21.8 22.9 24.3 25.7 R32 Mass % 0.0 10.8 16.3 21.0 25.9 30.8 Burning velocity (WCF) cm/ s 8 or less 8 or less 8 or less 8 or less 8 or less 8 or less Burning velocity (WCFF) cm/s 10 10 10 10 10 10 -
TABLE 104 Item Comp. Ex. 41 Comp. Ex. 47 Comp. Ex. 53 Comp. Ex. 59 Comp. Ex. 64 WCF HFO-1132(E) Mass % 24.8 24.3 22.5 21.1 20.4 HFO-1123 Mass % 0.0 0.0 0.0 0.0 0.0 R1234yf Mass % 48.5 46.4 40.8 34.8 31.8 R32 Mass % 26.7 29.3 36.7 44.1 47.8 Leak Storage/ Storage/ Storage/ Storage/ Storage/ condition Shipping Shipping Shipping Shipping Shipping that −40° C., −40° C., −40° C., −40° C., −40° C., results 0% 0% 0% 0% 0% in release, release, release, release, release, WCFF gas gas gas gas gas phase phase phase phase phase side side side side side WCFF HFO-1132(E) Mass % 35.3 34.3 31.3 29.1 28.1 HFO-1123 Mass % 0.0 0.0 0.0 0.0 0.0 R1234yf Mass % 27.4 26.2 23.1 19.8 18.2 R32 Mass % 37.3 39.6 45.6 51.1 53.7 Burning velocity (WCF) cm/ s 8 or less 8 or less 8 or less 8 or less 8 or less Burning velocity (WCFF) cm/s 10 10 10 10 10 - The results in Tables 97 to 100 indicate that the refrigerant has a WCF lower flammability in the following cases:
- When the mass % of HFO-1132(E), HFO-1123, R1234yf, and R32 based on their sum in the mixed refrigerant of HFO-1132(E), HFO-1123, R1234yf, and R32 is respectively represented by x, y, z, and a, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is (100−a) mass % and a straight line connecting a point (0.0, 100.0−a, 0.0) and a point (0.0, 0.0, 100.0−a) is the base, if 0<a≤11.1, coordinates (x,y,z) in the ternary composition diagram are on or below a straight line GI that connects point G (0.026a2−1.7478a+72.0, −0.026a2+0.7478a+28.0, 0.0) and point I (0.026a2−1.7478a+72.0, 0.0, −0.026a2+0.7478a+28.0);
- if 11.1<a≤18.2, coordinates (x,y,z) in the ternary composition diagram are on or below a straight line GI that connects point G (0.02a2−1.6013a+71.105, −0.02a2+0.6013a+28.895, 0.0) and point I (0.02a2−1.6013a+71.105, 0.0, −0.02a2+0.6013a+28.895); if 18.2<a≤26.7, coordinates (x,y,z) in the ternary composition diagram are on or below a straight line GI that connects point G (0.0135a2−1.4068a+69.727, −0.0135a2+0.4068a+30.273, 0.0) and point I (0.0135a2−1.4068a+69.727, 0.0, −0.0135a2+0.4068a+30.273); if 26.7<a≤36.7, coordinates (x,y,z) in the ternary composition diagram are on or below a straight line GI that connects point G (0.0111a2−1.3152a+68.986, −0.0111a2+0.3152a+31.014, 0.0) and point I (0.0111a2−1.3152a+68.986, 0.0, −0.0111a2+0.3152a+31.014); and if 36.7<a≤46.7, coordinates (x,y,z) in the ternary composition diagram are on or below a straight line GI that connects point G (0.0061a2−0.9918a+63.902, −0.0061a2−0.0082a+36.098, 0.0) and point I (0.0061a2−0.9918a+63.902, 0.0, −0.0061a2−0.0082a+36.098).
- Three points corresponding to point G (Table 105) and point I (Table 106) were individually obtained in each of the following five ranges by calculation, and their approximate expressions were obtained.
-
TABLE 105 Item 11.1 ≥ R32 > 0 18.2 ≥ R32 ≥11.1 26.7 ≥R32 ≥18.2 R32 0 7.1 11.1 11.1 14.5 18.2 18.2 21.9 26.7 HFO-1132(E) 72.0 60.9 55.8 55.8 52.1 48.6 48.6 45.4 41.8 HFO-1123 28.0 32.0 33.1 33.1 33.4 33.2 33.2 32.7 31.5 R1234yf 0 0 0 0 0 0 0 0 0 R32 a a a HFO-1132(E) 0.026a2 − 1.7478a + 72.0 0.02a2 − 1.6013a + 71.105 0.0135a2 − 1.4068a + 69.727 Approximate expression HFO-1123 −0.026a2 + 0..7478a + 28.0 −0.02a2 + 0..6013a + 28.895 −0.0135a2 + 0.4068a + 30.273 Approximate expression R1234yf 0 0 0 Approximate expression Item 36.7 ≥ R32 ≥ 26.7 46.7 ≥ R32 ≥ 36.7 R32 26.7 29.3 36.7 36.7 44.1 47.8 HFO-1132(E) 41.8 40.0 35.7 35.7 32.0 30.4 HFO-1123 31.5 30.7 27.6 27.6 23.9 21.8 R1234yf 0 0 0 0 0 0 R32 a a HFO-1132(E) 0.0111a2 − 1.3152a + 68.986 0.0061a2 − 0.9918a + 63.902 Approximate expression HFO-1123 −0.0111a2 + 0.3152a + 31.014 −0.0061a2 − 0.0082a + 36.098 Approximate expression R1234yf 0 0 Approximate expression -
TABLE 106 Item 11.1 ≥ R32 > 0 18.2 ≥ R32 ≥11.1 26.7 ≥R32 ≥ 18.2 R32 0 7.1 11.1 11.1 14.5 18.2 18.2 21.9 26.7 HFO-1132(E) 72.0 60.9 55.8 55.8 52.1 48.6 48.6 45.4 41.8 HFO-1123 0 0 0 0 0 0 0 0 0 R1234yf 28.0 32.0 33.1 33.1 33.4 33.2 33.2 32.7 31.5 R32 a a a HFO-1132(E) 0.026a2 − 1.7478a + 72.0 0.02a2 − 1.6013a + 71.105 0.0135a2 − 1.4068a + 69.727 Approximate expression HFO-1123 0 0 0 Approximate expression R1234yf −0.026a2 + 0.7478a + 28.0 −0.02a2 + 0.6013a + 28.895 −0.0135a2 + 0.4068a + 30.273 Approximate expression Item 36.7 ≥ R32 ≥ 26.7 46.7 ≥ R32 ≥ 36.7 R32 26.7 29.3 36.7 36.7 44.1 47.8 HFO-1132(E) 41.8 40.0 35.7 35.7 32.0 30.4 HFO-1123 31.5 30.7 27.6 27.6 23.9 21.8 R1234yf 0 0 0 0 0 0 R32 x x HFO-1132(E) 0.0111a2 − 1.3152a + 68.986 0.0061a2 − 0.9918a + 63.902 Approximate expression HFO-1123 0 0 Approximate expression R1234yf −0.0111a2 + 0.3152a + 31.014 −0.0061a2 − 0.0082a + 36.098 Approximate expression - The results in Tables 101 to 104 indicate that the refrigerant is determined to have a WCFF lower flammability, and the flammability classification according to the ASHRAE Standard is “2L (flammability)” in the following cases:
- When the mass % of HFO-1132(E), HFO-1123, R1234yf, and R32 based on their sum in the mixed refrigerant of HFO-1132(E), HFO-1123, R1234yf, and R32 is respectively represented by x, y, z, and a, in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is (100−a) mass % and a straight line connecting a point (0.0, 100.0−a, 0.0) and a point (0.0, 0.0, 100.0−a) is the base, if 0<a≤11.1, coordinates (x,y,z) in the ternary composition diagram are on or below a straight line JK′ that connects point J (0.0049a2−0.9645a+47.1, −0.0049a2−0.0355a+52.9, 0.0) and point K′(0.0514a2−2.4353a+61.7, −0.0323a2+0.4122a+5.9, −0.0191a2+1.0231a+32.4); if 11.1<a≤18.2, coordinates are on a straight line JK′ that connects point J (0.0243a2−1.4161a+49.725, −0.0243a2+0.4161a+50.275, 0.0) and point K′(0.0341a2−2.1977a+61.187, −0.0236a2+0.34a+5.636, −0.0105a2+0.8577a+33.177); if 18.2<a≤26.7, coordinates are on or below a straight line JK′ that connects point J (0.0246a2−1.4476a+50.184, −0.0246a2+0.4476a+49.816, 0.0) and point K′ (0.0196a2−1.7863a+58.515, −0.0079a2−0.1136a+8.702, −0.0117a2+0.8999a+32.783); if 26.7<a≤36.7, coordinates are on or below a straight line JK′ that connects point J (0.0183a2−1.1399a+46.493, −0.0183a2+0.1399a+53.507, 0.0) and point K′ (−0.0051a2+0.0929a+25.95, 0.0, 0.0051a2−1.0929a+74.05); and if 36.7<a≤46.7, coordinates are on or below a straight line JK′ that connects point J (−0.0134a2+1.0956a+7.13, 0.0134a2−2.0956a+92.87, 0.0) and point K′(−1.892a+29.443, 0.0, 0.892a+70.557).
- Actual points having a WCFF lower flammability form a curved line that connects point J and point K′ (on the straight line AB) in
FIG. 3 and extends toward the HFO-1132(E) side. Accordingly, when coordinates are on or below the straight line JK′, WCFF lower flammability is achieved. - Three points corresponding to point J (Table 107) and point K′ (Table 108) were individually obtained in each of the following five ranges by calculation, and their approximate expressions were obtained.
-
TABLE 107 Item 11.1 ≥ R32 > 0 18.2 ≥ R32 ≥11.1 26.7 ≥R32 ≥ 18.2 R32 0 7.1 11.1 11.1 14.5 18.2 18.2 21.9 26.7 HFO-1132(E) 47.1 40.5 37 37.0 34.3 32.0 32.0 30.3 29.1 HFO-1123 52.9 52.4 51.9 51.9 51.2 49.8 49.8 47.8 44.2 R1234yf 0 0 0 0 0 0 0 0 0 R32 a a a HFO-1132(E) 0.0049a2 − 0.9645a + 47.1 0.0243a2 − 1.4161a + 49.725 0.0246a2 − 1.4476a + 50.184 Approximate expression HFO-1123 −0.0049a2 − 0.0355a + 52.9 −0.0243a2 + 0.4161a + 50.275 −0.0246a2 + 0.4476a + 49.816 Approximate expression R1234yf 0 0 0 Approximate expression Item 36.7 ≥ R32 ≥ 26.7 46.7 ≥ R32 ≥ 36.7 R32 26.7 29.3 36.7 36.7 44.1 47.8 HFO-1132(E) 29.1 28.8 29.3 29.3 29.4 28.9 HFO-1123 44.2 41.9 34.0 34.0 26.5 23.3 R1234yf 0 0 0 0 0 0 R32 a a HFO-1132(E) 0.0183a2 − 1.1399a + 46.493 −0.0134a2 + 1.0956a + 7.13 Approximate expression HFO-1123 −0.0183a2 + 0.1399a + 53.507 0.0134a2 − 2.0956a + 92.87 Approximate expression R1234yf 0 0 Approximate expression -
TABLE 108 Item 11.1 ≥ R32 > 0 18.2 ≥ R32 ≥ 11.1 26.7 ≥ R32 ≥ 18.2 R32 0 7.1 11.1 11.1 14.5 18.2 18.2 21.9 26.7 HFO-1132(E) 61.7 47.0 41.0 41.0 36.5 32.5 32.5 28.8 24.8 HFO-1123 5.9 7.2 6.5 6.5 5.6 4.0 4.0 2.4 0 R1234yf 32.4 38.7 41.4 41.4 43.4 45.3 45.3 46.9 48.5 R32 x x x HFO-1132(E) 0.0514a2 − 2.4353a + 61.7 0.0341a2 − 2.1977a + 61.187 0.0196a2 − 1.7863a + 58.515 Approximate expression HFO-1123 −0.0323a2 + 0.4122a + 5.9 −0.0236a2 + 0.34a + 5.636 −0.0079a2 − 0.1136a + 8.702 Approximate expression R1234yf −0.0191a2 + 1.0231a + 32.4 −0.0105a2 + 0.8577a + 33.177 −0.0117a2 + 0.8999a + 32.783 Approximate expression Item 36.7 ≥ R32 ≥ 26.7 46.7 ≥ R32 ≥ 36.7 R32 26.7 29.3 36.7 36.7 44.1 47.8 HFO-1132(E) 24.8 24.3 22.5 22.5 21.1 20.4 HFO-1123 0 0 0 0 0 0 R1234yf 48.5 46.4 40.8 40.8 34.8 31.8 R32 x x HFO-1132(E) −0.0051a2 + 0.0929a + 25.95 −1.892a + 29.443 Approximate expression HFO-1123 0 0 Approximate expression R1234yf 0.0051a2 − 1.0929a + 74.05 0.892a + 70.557 Approximate expression -
FIGS. 3 to 13 show compositions whose R32 content a (mass %) is 0 mass %, 7.1 mass %, 11.1 mass %, 14.5 mass %, 18.2 mass %, 21.9 mass %, 26.7 mass %, 29.3 mass %, 36.7 mass %, 44.1 mass %, and 47.8 mass %, respectively. - Points A, B, C, and D′ were obtained in the following manner according to approximate calculation.
- Point A is a point where the content of HFO-1123 is 0 mass %, and a refrigerating capacity ratio of 85% relative to that of R410A is achieved. Three points corresponding to point A were obtained in each of the following five ranges by calculation, and their approximate expressions were obtained (Table 109).
-
TABLE 109 Item 11.1 ≥ R32 > 0 18.2 ≥ R32 ≥ 11.1 26.7 ≥ R32 ≥ 18.2 R32 0 7.1 11.1 11.1 14.5 18.2 18.2 21.9 26.7 HFO-1132(E) 68.6 55.3 48.4 48.4 42.8 37 37 31.5 24.8 HFO-1123 0 0 0 0 0 0 0 0 0 R1234yf 31.4 37.6 40.5 40.5 42.7 44.8 44.8 46.6 48.5 R32 a a a HFO-1132(E) 0.0314a2 − 1.9681a + 68.6 0.0112a2 − 1.9337a + 68.484 0.0107a2 − 1.9142a + 68.305 Approximate expression HFO-1123 0 0 0 Approximate expression R1234yf −0.0134a2 + 0.9681a + 31.4 −0.0112a2 + 0.9337a + 31.516 −0.0107a2 + 0.9142a + 31.695 Approximate expression Item 36.7 ≥ R32 ≥ 26.7 46.7 ≥ R32 ≥ 36.7 R32 26.7 29.3 36.7 36.7 44.1 47.8 HFO-1132(E) 24.8 21.3 12.1 12.1 3.8 0 HFO-1123 0 0 0 0 0 0 R1234yf 48.5 49.4 51.2 51.2 52.1 52.2 R32 a a HFO-1132(E) 0.0103a2 − 1.9225a + 68.793 0.0085a2 − 1.8102a + 67.1 Approximate expression HFO-1123 0 0 Approximate expression R1234yf −0.0103a2 + 1.0929a + 31..207 −0.0085a2 + 0.8102a + 32.9 Approximate expression - Point B is a point where the content of HFO-1132(E) is 0 mass %, and a refrigerating capacity ratio of 85% relative to that of R410A is achieved.
- Three points corresponding to point B were obtained in each of the following five ranges by calculation, and their approximate expressions were obtained (Table 110).
-
TABLE 110 Item 11.1 ≥ R32 > 0 18.2 ≥ R32 ≥ 11.1 26.7 ≥ R32 ≥ 18.2 R32 0 7.1 11.1 11.1 14.5 18.2 18.2 21.9 26.7 HFO-1132(E) 0 0 0 0 0 0 0 0 0 HFO-1123 58.7 47.8 42.3 42.3 37.8 33.1 33.1 28.5 22.9 R1234yf 41.3 45.1 46.6 46.6 47.7 48.7 48.7 49.6 50.4 R32 a a a HFO-1132(E) 0 0 0 Approximate expression HFO-1123 0.0144a2 − 1.6377a + 58.7 0.0075a2 − 1.5156a + 58.199 0.009a2 − 1.6045a + 59.318 Approximate expression R1234yf −0.0144a2 + 0.6377a + 41.3 −0.0075a2 + 0.5156a + 41.801 −0.009a2 + 0.6045a + 40.682 Approximate expression Item 36.7 ≥ R32 ≥ 26.7 46.7 ≥ R32 ≥ 36.7 R32 26.7 29.3 36.7 36.7 44.1 47.8 HFO-1132(E) 0 0 0 0 0 0 HFO-1123 22.9 19.9 11.7 11.8 3.9 0 R1234yf 50.4 50.8 51.6 51.5 52.0 52.2 R32 a a HFO-1132(E) 0 0 Approximate expression HFO-1123 0.0046a2 − 1.41a + 57.286 0.0012a2 − 1.1659a + 52.95 Approximate expression R1234yf −0.0046a2 + 0.41a + 42.714 −0.0012a2 + 0.1659a + 47.05 Approximate expression - Point D′ is a point where the content of HFO-1132(E) is 0 mass %, and a COP ratio of 95.5% relative to that of R410A is achieved.
- Three points corresponding to point D′ were obtained in each of the following by calculation, and their approximate expressions were obtained (Table 111).
-
TABLE 111 Item 11.1 ≥ R32 > 0 R32 0 7.1 11.1 HFO-1132(E) 0 0 0 HFO-1123 75.4 83.4 88.9 R1234yf 24.6 9.5 0 R32 a HFO-1132(E) 0 Approximate expression HFO-1123 Approximate 0.0224a2 + 0.968a + 75.4 expression R1234yf Approximate −0.0224a2 − 1.968a + 24.6 expression - Point C is a point where the content of R1234yf is 0 mass %, and a COP ratio of 95.5% relative to that of R410A is achieved.
- Three points corresponding to point C were obtained in each of the following by calculation, and their approximate expressions were obtained (Table 112).
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TABLE 112 Item 11.1 ≥ R32 > 0 R32 0 7.1 11.1 HFO-1132(E) 32.9 18.4 0 HFO-1123 67.1 74.5 88.9 R1234yf 0 0 0 R32 a HFO-1132(E) −0.2304a2 − 0.4062a + 32.9 Approximate expression HFO-1123 0.2304a2 − 0.5938a + 67.1 Approximate expression R1234yf 0 Approximate expression - The refrigerant D according to the present disclosure is a mixed refrigerant comprising trans-1,2-difluoroethylene (HFO-1132(E)), difluoromethane (R32), and 2,3,3,3-tetrafluoro-1-propene (R1234yf).
- The refrigerant D according to the present disclosure has various properties that are desirable as an R410A-alternative refrigerant; i.e., a refrigerating capacity equivalent to that of R410A, a sufficiently low GWP, and a lower flammability (Class 2L) according to the ASHRAE standard.
- The refrigerant D according to the present disclosure is preferably a refrigerant wherein
- when the mass % of HFO-1132(E), R32, and R1234yf based on their sum is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), R32, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments IJ, JN, NE, and EI that connect the following 4 points:
- point I (72.0, 0.0, 28.0),
point J (48.5, 18.3, 33.2),
point N (27.7, 18.2, 54.1), and
point E (58.3, 0.0, 41.7),
or on these line segments (excluding the points on the line segment EI); - the line segment IJ is represented by coordinates (0.0236y2−1.7616y+72.0, y, −0.0236y2+0.7616y+28.0);
- the line segment NE is represented by coordinates (0.012y2−1.9003y+58.3, y, −0.012y2+0.9003y+41.7); and
- the line segments JN and EI are straight lines. When the requirements above are satisfied, the refrigerant according to the present disclosure has a refrigerating capacity ratio of 80% or more relative to R410A, a GWP of 125 or less, and a WCF lower flammability.
- The refrigerant D according to the present disclosure is preferably a refrigerant wherein
- when the mass % of HFO-1132(E), R32, and R1234yf based on their sum is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), R32, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments MINI′, M′N, NV, VG, and GM that connect the following 5 points:
- point M (52.6, 0.0, 47.4),
point M′ (39.2, 5.0, 55.8),
point N (27.7, 18.2, 54.1),
point V (11.0, 18.1, 70.9), and
point G (39.6, 0.0, 60.4),
or on these line segments (excluding the points on the line segment GM); - the line segment MM′ is represented by coordinates (0.132y2−3.34y+52.6, y, −0.132y2+2.34y+47.4);
- the line segment M′N is represented by coordinates (0.0596y2−2.2541y+48.98, y, −0.0596y2+1.2541y+51.02);
- the line segment VG is represented by coordinates (0.0123y2−1.8033y+39.6, y, −0.0123y2+0.8033y+60.4); and
- the line segments NV and GM are straight lines. When the requirements above are satisfied, the refrigerant according to the present disclosure has a refrigerating capacity ratio of 70% or more relative to R410A, a GWP of 125 or less, and an ASHRAE lower flammability.
- The refrigerant D according to the present disclosure is preferably a refrigerant wherein
- when the mass % of HFO-1132(E), R32, and R1234yf based on their sum is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), R32, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments ON, NU, and UO that connect the following 3 points:
- point O (22.6, 36.8, 40.6),
point N (27.7, 18.2, 54.1), and
point U (3.9, 36.7, 59.4),
or on these line segments; - the line segment ON is represented by coordinates (0.0072y2−0.6701y+37.512, y, −0.0072y2−0.3299y+62.488);
- the line segment NU is represented by coordinates (0.0083y2−1.7403y+56.635, y, −0.0083y2+0.7403y+43.365); and
- the line segment UO is a straight line. When the requirements above are satisfied, the refrigerant according to the present disclosure has a refrigerating capacity ratio of 80% or more relative to R410A, a GWP of 250 or less, and an ASHRAE lower flammability.
- The refrigerant D according to the present disclosure is preferably a refrigerant wherein
- when the mass % of HFO-1132(E), R32, and R1234yf based on their sum is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), R32, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments QR, RT, TL, LK, and KQ that connect the following 5 points:
- point Q (44.6, 23.0, 32.4),
point R (25.5, 36.8, 37.7),
point T (8.6, 51.6, 39.8),
point L (28.9, 51.7, 19.4), and
point K (35.6, 36.8, 27.6),
or on these line segments; - the line segment QR is represented by coordinates (0.0099y2−1.975y+84.765, y, −0.0099y2+0.975y+15.235);
- the line segment RT is represented by coordinates (0.0082y2−1.8683y+83.126, y, −0.0082y2+0.8683y+16.874);
- the line segment LK is represented by coordinates (0.0049y2−0.8842y+61.488, y, −0.0049y2−0.1158y+38.512);
- the line segment KQ is represented by coordinates (0.0095y2−1.2222y+67.676, y, −0.0095y2+0.2222y+32.324); and
- the line segment TL is a straight line. When the requirements above are satisfied, the refrigerant according to the present disclosure has a refrigerating capacity ratio of 92.5% or more relative to R410A, a GWP of 350 or less, and a WCF lower flammability.
- The refrigerant D according to the present disclosure is preferably a refrigerant wherein
- when the mass % of HFO-1132(E), R32, and R1234yf based on their sum is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), R32, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments PS, ST, and TP that connect the following 3 points:
- point P (20.5, 51.7, 27.8),
point S (21.9, 39.7, 38.4), and
point T (8.6, 51.6, 39.8),
or on these line segments; - the line segment PS is represented by coordinates (0.0064y2−0.7103y+40.1, y, −0.0064y2−0.2897y+59.9);
- the line segment ST is represented by coordinates (0.0082y2−1.8683y+83.126, y, −0.0082y2+0.8683y+16.874); and
- the line segment TP is a straight line. When the requirements above are satisfied, the refrigerant according to the present disclosure has a refrigerating capacity ratio of 92.5% or more relative to R410A, a GWP of 350 or less, and an ASHRAE lower flammability.
- The refrigerant D according to the present disclosure is preferably a refrigerant wherein
- when the mass % of HFO-1132(E), R32, and R1234yf based on their sum is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), R32, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments ac, cf, fd, and da that connect the following 4 points:
- point a (71.1, 0.0, 28.9),
point c (36.5, 18.2, 45.3),
point f (47.6, 18.3, 34.1), and
point d (72.0, 0.0, 28.0),
or on these line segments; - the line segment ac is represented by coordinates (0.0181y2−2.2288y+71.096, y, −0.0181y2+1.2288y+28.904);
- the line segment fd is represented by coordinates (0.02y2−1.7y+72, y, −0.02y2+0.7y+28); and
- the line segments cf and da are straight lines. When the requirements above are satisfied, the refrigerant according to the present disclosure has a refrigerating capacity ratio of 85% or more relative to R410A, a GWP of 125 or less, and a lower flammability (Class 2L) according to the ASHRAE standard.
- The refrigerant D according to the present disclosure is preferably a refrigerant wherein
- when the mass % of HFO-1132(E), R32, and R1234yf based on their sum is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), R32, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments ab, be, ed, and da that connect the following 4 points:
- point a (71.1, 0.0, 28.9),
point b (42.6, 14.5, 42.9),
point e (51.4, 14.6, 34.0), and
point d (72.0, 0.0, 28.0),
or on these line segments; - the line segment ab is represented by coordinates (0.0181y2−2.2288y+71.096, y, −0.0181y2+1.2288y+28.904);
- the line segment ed is represented by coordinates (0.02y2−1.7y+72, y, −0.02y2+0.7y+28); and
- the line segments be and da are straight lines. When the requirements above are satisfied, the refrigerant according to the present disclosure has a refrigerating capacity ratio of 85% or more relative to R410A, a GWP of 100 or less, and a lower flammability (Class 2L) according to the ASHRAE standard.
- The refrigerant D according to the present disclosure is preferably a refrigerant wherein
- when the mass % of HFO-1132(E), R32, and R1234yf based on their sum is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), R32, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments gi, ij, and jg that connect the following 3 points:
- point g (77.5, 6.9, 15.6),
point i (55.1, 18.3, 26.6), and
point j (77.5. 18.4, 4.1),
or on these line segments; - the line segment gi is represented by coordinates (0.02y2−2.4583y+93.396, y, −0.02y2+1.4583y+6.604); and
- the line segments ij and jg are straight lines. When the requirements above are satisfied, the refrigerant according to the present disclosure has a refrigerating capacity ratio of 95% or more relative to R410A and a GWP of 100 or less, undergoes fewer or no changes such as polymerization or decomposition, and also has excellent stability.
- The refrigerant D according to the present disclosure is preferably a refrigerant wherein
- when the mass % of HFO-1132(E), R32, and R1234yf based on their sum is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), R32, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments gh, hk, and kg that connect the following 3 points:
- point g (77.5, 6.9, 15.6),
point h (61.8, 14.6, 23.6), and
point k (77.5, 14.6, 7.9),
or on these line segments; - the line segment gh is represented by coordinates (0.02y2−2.4583y+93.396, y, −0.02y2+1.4583y+6.604); and
- the line segments hk and kg are straight lines. When the requirements above are satisfied, the refrigerant according to the present disclosure has a refrigerating capacity ratio of 95% or more relative to R410A and a GWP of 100 or less, undergoes fewer or no changes such as polymerization or decomposition, and also has excellent stability.
- The refrigerant D according to the present disclosure may further comprise other additional refrigerants in addition to HFO-1132(E), R32, and R1234yf, as long as the above properties and effects are not impaired. In this respect, the refrigerant according to the present disclosure preferably comprises HFO-1132(E), R32, and R1234yf in a total amount of 99.5 mass % or more, more preferably 99.75 mass % or more, and still more preferably 99.9 mass % or more based on the entire refrigerant.
- Such additional refrigerants are not limited, and can be selected from a wide range of refrigerants. The mixed refrigerant may comprise a single additional refrigerant, or two or more additional refrigerants.
- The present disclosure is described in more detail below with reference to Examples of refrigerant D. However, the refrigerant D is not limited to the Examples.
- The composition of each mixed refrigerant of HFO-1132(E), R32, and R1234yf was defined as WCF. A leak simulation was performed using the NIST Standard Reference Database REFLEAK Version 4.0 under the conditions of Equipment, Storage, Shipping, Leak, and Recharge according to the ASHRAE Standard 34-2013. The most flammable fraction was defined as WCFF.
- A burning velocity test was performed using the apparatus shown in
FIG. 1 in the following manner. First, the mixed refrigerants used had a purity of 99.5% or more, and were degassed by repeating a cycle of freezing, pumping, and thawing until no traces of air were observed on the vacuum gauge. The burning velocity was measured by the closed method. The initial temperature was ambient temperature. Ignition was performed by generating an electric spark between the electrodes in the center of a sample cell. The duration of the discharge was 1.0 to 9.9 ms, and the ignition energy was typically about 0.1 to 1.0 J. The spread of the flame was visualized using schlieren photographs. A cylindrical container (inner diameter: 155 mm, length: 198 mm) equipped with two light transmission acrylic windows was used as the sample cell, and a xenon lamp was used as the light source. Schlieren images of the flame were recorded by a high-speed digital video camera at a frame rate of 600 fps and stored on a PC. Tables 113 to 115 show the results. -
TABLE 113 Comparative Example Example Example Example 13 Example 12 Example 14 Example 16 Item Unit I 11 J 13 K 15 L WCF HFO-1132(E) Mass % 72 57.2 48.5 41.2 35.6 32 28.9 R32 Mass % 0 10 18.3 27.6 36.8 44.2 51.7 R1234yf Mass % 28 32.8 33.2 31.2 27.6 23.8 19.4 Burning Velocity (WCF) cm/s 10 10 10 10 10 10 10 -
TABLE 114 Comparative Example 14 Example 19 Example 21 Item Unit M Example 18 W Example 20 N Example 22 WCF HFO-1132(E) Mass % 52.6 39.2 32.4 29.3 27.7 24.6 R32 Mass % 0.0 5.0 10.0 14.5 18.2 27.6 R1234yf Mass % 47.4 55.8 57.6 56.2 54.1 47.8 Leak Storage, Storage, Storage, Storage, Storage, Storage, condition Shipping, Shipping, Shipping, Shipping, Shipping, Shipping, that −40° C., −40° C., −40° C., −40° C., −40° C., −40° C., results 0% release, 0% release, 0% release, 0% release, 0% release, 0% release, in on the gas on the gas on the gas on the gas on the gas on the gas WCFF phase side phase side phase side phase side phase side phase side WCF HFO-1132(E) Mass % 72.0 57.8 48.7 43.6 40.6 34.9 R32 Mass % 0.0 9.5 17.9 24.2 28.7 38.1 R1234yf Mass % 28.0 32.7 33.4 32.2 30.7 27.0 Burning Velocity(WCF) cm/ s 8 or less 8 or less 8 or less 8 or less 8 or less 8 or less Burning Velocity(WCFF) cm/s 10 10 10 10 10 10 -
TABLE 115 Example Example 23 Example 25 Item Unit O 24 P WCF HFO-1132 (E) Mass % 22.6 21.2 20.5 HFO-1123 Mass % 36.8 44.2 51.7 R1234yf Mass % 40.6 34.6 27.8 Leak condition that results Storage, Storage, Storage, in WCFF Shipping, Shipping, Shipping, −40° C., −40° C., −40° C., 0% release, 0% release, 0% release, on the gas on the gas on the gas phase side phase side phase side WCFF HFO-1132 (E) Mass % 31.4 29.2 27.1 HFO-1123 Mass % 45.7 51.1 56.4 R1234yf Mass % 23.0 19.7 16.5 Burning Velocity (WCF) cm/ s 8 or less 8 or less 8 or less Burning Velocity (WCFF) cm/s 10 10 10 - The results indicate that under the condition that the mass % of HFO-1132(E), R32, and R1234yf based on their sum is respectively represented by x, y, and z, when coordinates (x,y,z) in the ternary composition diagram shown in
FIG. 14 in which the sum of HFO-1132(E), R32, and R1234yf is 100 mass % are on the line segment that connects point I, point J, point K, and point L, or below these line segments, the refrigerant has a WCF lower flammability. - The results also indicate that when coordinates (x,y,z) in the ternary composition diagram shown in
FIG. 14 are on the line segments that connect point M, point M′, point W, point J, point N, and point P, or below these line segments, the refrigerant has an ASHRAE lower flammability. - Mixed refrigerants were prepared by mixing HFO-1132(E), R32, and R1234yf in amounts (mass %) shown in Tables 116 to 144 based on the sum of HFO-1132(E), R32, and R1234yf. The coefficient of performance (COP) ratio and the refrigerating capacity ratio relative to R410 of the mixed refrigerants shown in Tables 116 to 144 were determined. The conditions for calculation were as described below.
- Evaporating temperature: 5° C.
- Condensation temperature: 45° C.
- Degree of superheating: 5 K
- Degree of subcooling: 5 K
- Compressor efficiency: 70%
- Tables 116 to 144 show these values together with the GWP of each mixed refrigerant.
-
TABLE116 Comparative Comparative Comparative Comparative Comparative Comparative Comparative Example 2 Example 3 Example 4 Example 5 Example 6 Example 7 Item Unit Example 1 A B A′ B′ A″ B″ HFO-1132 (E) Mass % R410A 81.6 0.0 63.1 0.0 48.2 0.0 R32 Mass % 18.4 18.1 36.9 36.7 51.8 51.5 R1234yf Mass % 0.0 81.9 0.0 63.3 0.0 48.5 GWP — 2088 125 125 250 250 350 350 COP Ratio % (relative 100 98.7 103.6 98.7 102.3 99.2 102.2 to R410A) Refrigerating Capacity % (relative 100 105.3 62.5 109.9 77.5 112.1 87.3 Ratio to R410A) -
TABLE 117 Comparative Comparative Example 8 Comparative Example 10 Example 2 Example 4 Item Unit C Example 9 C′ Example 1 R Example 3 T HFO-1132 (E) Mass % 85.5 66.1 52.1 37.8 25.5 16.6 8.6 R32 Mass % 0.0 10.0 18.2 27.6 36.8 44.2 51.6 R1234yf Mass % 14.5 23.9 29.7 34.6 37.7 39.2 39.8 GWP — 1 69 125 188 250 300 350 COP Ratio % (relative 99.8 99.3 99.3 99.6 100.2 100.8 101.4 to R410A) Refrigerating Capacity % (relative 92.5 92.5 92.5 92.5 92.5 92.5 92.5 Ratio to R410A) -
TABLE 118 Comparative Comparative Example 11 Example 6 Example 8 Example 12 Example 10 Item Unit E Example 5 N Example 7 U G Example 9 V HFO-1132 (E) Mass % 58.3 40.5 27.7 14.9 3.9 39.6 22.8 11.0 R32 Mass % 0.0 10.0 18.2 27.6 36.7 0.0 10.0 18.1 R1234yf Mass % 41.7 49.5 54.1 57.5 59.4 60.4 67.2 70.9 GWP — 2 70 125 189 250 3 70 125 COP Ratio % (relative 100.3 100.3 100.7 101.2 101.9 101.4 101.8 102.3 to R410A) Refrigerating Capacity % (relative 80.0 80.0 80.0 80.0 80.0 70.0 70.0 70.0 Ratio to R410A) -
TABLE 119 Comparative Example 13 Example 12 Example 14 Example 16 Example 17 Item Unit I Example 11 J Example 13 K Example 15 L Q HFO-1132(E) Mass % 72.0 57.2 48.5 41.2 35.6 32.0 28.9 44.6 R32 Mass % 0.0 10.0 18.3 27.6 36.8 44.2 51.7 23.0 R1234yf Mass % 28.0 32.8 33.2 31.2 27.6 23.8 19.4 32.4 GWP — 2 69 125 188 250 300 350 157 COP Ratio % (relative to 99.9 99.5 99.4 99.5 99.6 99.8 100.1 99.4 R410A) Refrigerating % (relative to 86.6 88.4 90.9 94.2 97.7 100.5 103.3 92.5 Capacity R410A) Ratio -
TABLE 120 Comparative Example 14 Example 19 Example 21 Item Unit M Example 18 W Example 20 N Example 22 HFO-1132(E) Mass % 52.6 39.2 32.4 29.3 27.7 24.5 R32 Mass % 0.0 5.0 10.0 14.5 18.2 27.6 R1234yf Mass % 47.4 55.8 57.6 56.2 54.1 47.9 GWP — 2 36 70 100 125 188 COP Ratio % (relative to 100.5 100.9 100.9 100.8 100.7 100.4 R410A) Refrigerating Capacity % (relative to 77.1 74.8 75.6 77.8 80.0 85.5 Ratio R410A) -
TABLE 121 Example Example Example 23 Example 25 26 Item Unit O 24 P S HFO-1132(E) Mass % 22.6 21.2 20.5 21.9 R32 Mass % 36.8 44.2 51.7 39.7 R1234yf Mass % 40.6 34.6 27.8 38.4 GWP — 250 300 350 270 COP Ratio % (relative to 100.4 100.5 100.6 100.4 R410A) Refrigerating % (relative to 91.0 95.0 99.1 92.5 Capacity Ratio R410A) -
TABLE 122 Comparative Comparative Comparative Comparative Comparative Comparative Item Unit Example 15 Example 16 Example 17 Example 18 Example 27 Example 28 Example 19 Example 20 HFO-1132(E) Mass % 10.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0 R32 Mass % 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 R1234yf Mass % 85.0 75.0 65.0 55.0 45.0 35.0 25.0 15.0 GWP — 37 37 37 36 36 36 35 35 COP Ratio % (relative to 103.4 102.6 101.6 100.8 100.2 99.8 99.6 99.4 R410A) Refrigerating % (relative to 56.4 63.3 69.5 75.2 80.5 85.4 90.1 94.4 Capacity R410A) Ratio -
TABLE 123 Comparative Comparative Comparative Comparative Comparative Comparative Item Unit Example 21 Example 22 Example 29 Example 23 Example 30 Example 24 Example 25 Example 26 HFO-1132(E) Mass % 10.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0 R32 Mass % 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 R1234yf Mass % 80.0 70.0 60.0 50.0 40.0 30.0 20.0 10.0 GWP — 71 71 70 70 70 69 69 69 COP Ratio % (relative to 103.1 102.1 101.1 100.4 99.8 99.5 99.2 99.1 R410A) Refrigerating % (relative to 61.8 68.3 74.3 79.7 84.9 89.7 94.2 98.4 Capacity R410A) Ratio -
TABLE 124 Comparative Comparative Comparative Comparative Comparative Item Unit Example 27 Example 31 Example 28 Example 32 Example 33 Example 29 Example 30 Example 31 HFO-1132(E) Mass % 10.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0 R32 Mass % 15.0 15.0 15.0 15.0 15.0 15.0 15.0 15.0 R1234yf Mass % 75.0 65.0 55.0 45.0 35.0 25.0 15.0 5.0 GWP — 104 104 104 103 103 103 103 102 COP Ratio % (relative to 102.7 101.6 100.7 100.0 99.5 99.2 99.0 98.9 R410A) Refrigerating % (relative to 66.6 72.9 78.6 84.0 89.0 93.7 98.1 102.2 Capacity R410A) Ratio -
TABLE 125 Comparative Comparative Comparative Comparative Comparative Comparative Comparative Comparative Item Unit Example 32 Example 33 Example 34 Example 35 Example 36 Example 37 Example 38 Example 39 HFO-1132(E) Mass % 10.0 20.0 30.0 40.0 50.0 60.0 70.0 10.0 R32 Mass % 20.0 20.0 20.0 20.0 20.0 20.0 20.0 25.0 R1234yf Mass % 70.0 60.0 50.0 40.0 30.0 20.0 10.0 65.0 GWP — 138 138 137 137 137 136 136 171 COP Ratio % (relative to 102.3 101.2 100.4 99.7 99.3 99.0 98.8 101.9 R410A) Refrigerating % (relative to 71.0 77.1 82.7 88.0 92.9 97.5 101.7 75.0 Capacity R410A) Ratio -
TABLE 126 Comparative Comparative Comparative Comparative Comparative Comparative Item Unit Example 34 Example 40 Example 41 Example 42 Example 43 Example 44 Example 45 Example 35 HFO-1132(E) Mass % 20.0 30.0 40.0 50.0 60.0 70.0 10.0 20.0 R32 Mass % 25.0 25.0 25.0 25.0 25.0 25.0 30.0 30.0 R1234yf Mass % 55.0 45.0 35.0 25.0 15.0 5.0 60.0 50.0 GWP — 171 171 171 170 170 170 205 205 COP Ratio % (relative to 100.9 100.1 99.6 99.2 98.9 98.7 101.6 100.7 R410A) Refrigerating % (relative to 81.0 86.6 91.7 96.5 101.0 105.2 78.9 84.8 Capacity R410A) Ratio -
TABLE 127 Comparative Comparative Comparative Comparative Comparative Item Unit Example 46 Example 47 Example 48 Example 49 Example 36 Example 37 Example 38 Example 50 HFO-1132(E) Mass % 30.0 40.0 50.0 60.0 10.0 20.0 30.0 40.0 R32 Mass % 30.0 30.0 30.0 30.0 35.0 35.0 35.0 35.0 R1234yf Mass % 40.0 30.0 20.0 10.0 55.0 45.0 35.0 25.0 GWP — 204 204 204 204 239 238 238 238 COP Ratio % (relative to 100.0 99.5 99.1 98.8 101.4 100.6 99.9 99.4 R410A) Refrigerating % (relative to 90.2 95.3 100.0 104.4 82.5 88.3 93.7 98.6 Capacity R410A) Ratio -
TABLE 128 Comparative Comparative Comparative Comparative Comparative Comparative Comparative Item Unit Example 51 Example 52 Example 53 Example 54 Example 39 Example 55 Example 56 Example 57 HFO-1132(E) Mass % 50.0 60.0 10.0 20.0 30.0 40.0 50.0 10.0 R32 Mass % 35.0 35.0 40.0 40.0 40.0 40.0 40.0 45.0 R1234yf Mass % 15.0 5.0 50.0 40.0 30.0 20.0 10.0 45.0 GWP — 237 237 272 272 272 271 271 306 COP Ratio % (relative to 99.0 98.8 101.3 100.6 99.9 99.4 99.0 101.3 R410A) Refrigerating % (relative to 103.2 107.5 86.0 91.7 96.9 101.8 106.3 89.3 Capacity R410A) Ratio -
TABLE 129 Comparative Comparative Comparative Comparative Comparative Item Unit Example 40 Example 41 Example 58 Example 59 Example 60 Example 42 Example 61 Example 62 HFO-1132(E) Mass % 20.0 30.0 40.0 50.0 10.0 20.0 30.0 40.0 R32 Mass % 45.0 45.0 45.0 45.0 50.0 50.0 50.0 50.0 R1234yf Mass % 35.0 25.0 15.0 5.0 40.0 30.0 20.0 10.0 GWP — 305 305 305 304 339 339 339 338 COP Ratio % (relative to 100.6 100.0 99.5 99.1 101.3 100.6 100.0 99.5 R410A) Refrigerating % (relative to 94.9 100.0 104.7 109.2 92.4 97.8 102.9 107.5 Capacity R410A) Ratio -
TABLE 130 Comparative Comparative Comparative Comparative Item Unit Example 63 Example 64 Example 65 Example 66 Example 43 Example 44 Example 45 Example 46 HFO-1132(E) Mass % 10.0 20.0 30.0 40.0 56.0 59.0 62.0 65.0 R32 Mass % 55.0 55.0 55.0 55.0 3.0 3.0 3.0 3.0 R1234yf Mass % 35.0 25.0 15.0 5.0 41.0 38.0 35.0 32.0 GWP — 373 372 372 372 22 22 22 22 COP Ratio % (relative to 101.4 100.7 100.1 99.6 100.1 100.0 99.9 99.8 R410A) Refrigerating % (relative to 95.3 100.6 105.6 110.2 81.7 83.2 84.6 86.0 Capacity R410A) Ratio -
TABLE 131 Item Unit Example 47 Example 48 Example 49 Example 50 Example 51 Example 52 Example 53 Example 54 HFO-1132(E) Mass % 49.0 52.0 55.0 58.0 61.0 43.0 46.0 49.0 R32 Mass % 6.0 6.0 6.0 6.0 6.0 9.0 9.0 9.0 R1234yf Mass % 45.0 42.0 39.0 36.0 33.0 48.0 45.0 42.0 GWP — 43 43 43 43 42 63 63 63 COP Ratio % (relative to 100.2 100.0 99.9 99.8 99.7 100.3 100.1 99.9 R410A) Refrigerating % (relative to 80.9 82.4 83.9 85.4 86.8 80.4 82.0 83.5 Capacity R410A) Ratio -
TABLE 132 Item Unit Example 55 Example 56 Example 57 Example 58 Example 59 Example 60 Example 61 Example 62 HFO-1132(E) Mass % 52.0 55.0 58.0 38.0 41.0 44.0 47.0 50.0 R32 Mass % 9.0 9.0 9.0 12.0 12.0 12.0 12.0 12.0 R1234yf Mass % 39.0 36.0 33.0 50.0 47.0 44.0 41.0 38.0 GWP — 63 63 63 83 83 83 83 83 COP Ratio % (relative to 99.8 99.7 99.6 100.3 100.1 100.0 99.8 99.7 R410A) Refrigerating % (relative to 85.0 86.5 87.9 80.4 82.0 83.5 85.1 86.6 Capacity R410A) Ratio -
TABLE 133 Item Unit Example 63 Example 64 Example 65 Example 66 Example 67 Example 68 Example 69 Example 70 HFO-1132(E) Mass % 53.0 33.0 36.0 39.0 42.0 45.0 48.0 51.0 R32 Mass % 12.0 15.0 15.0 15.0 15.0 15.0 15.0 15.0 R1234yf Mass % 35.0 52.0 49.0 46.0 43.0 40.0 37.0 34.0 GWP — 83 104 104 103 103 103 103 103 COP Ratio % (relative to 99.6 100.5 100.3 100.1 99.9 99.7 99.6 99.5 R410A) Refrigerating % (relative to 88.0 80.3 81.9 83.5 85.0 86.5 88.0 89.5 Capacity R410A) Ratio -
TABLE 134 Item Unit Example 71 Example 72 Example 73 Example 74 Example 75 Example 76 Example 77 Example 78 HFO-1132(E) Mass % 29.0 32.0 35.0 38.0 41.0 44.0 47.0 36.0 R32 Mass % 18.0 18.0 18.0 18.0 18.0 18.0 18.0 3.0 R1234yf Mass % 53.0 50.0 47.0 44.0 41.0 38.0 35.0 61.0 GWP — 124 124 124 124 124 123 123 23 COP Ratio % (relative to 100.6 100.3 100.1 99.9 99.8 99.6 99.5 101.3 R410A) Refrigerating % (relative to 80.6 82.2 83.8 85.4 86.9 88.4 89.9 71.0 Capacity R410A) Ratio -
TABLE 135 Example Example Example Example Item Unit 79 Example 80 Example 81 82 Example 83 84 Example 85 86 HFO-1132(E) Mass % 39.0 42.0 30.0 33.0 36.0 26.0 29.0 32.0 R32 Mass % 3.0 3.0 6.0 6.0 6.0 9.0 9.0 9.0 R1234yf Mass % 58.0 55.0 64.0 61.0 58.0 65.0 62.0 59.0 GWP — 23 23 43 43 43 64 64 63 COP Ratio %(relative to R410A) 101.1 100.9 101.5 101.3 101.0 101.6 101.3 101.1 Refrigerating %(relative to 72.7 74.4 70.5 72.2 73.9 71.0 72.8 74.5 Capacity R410A) Ratio -
TABLE 136 Example Example Example Example Item Unit 87 Example 88 Example 89 90 Example 91 92 Example 93 94 HFO-1132(E) Mass % 21.0 24.0 27.0 30.0 16.0 19.0 22.0 25.0 R32 Mass % 12.0 12.0 12.0 12.0 15.0 15.0 15.0 15.0 R1234yf Mass % 67.0 64.0 61.0 58.0 69.0 66.0 63.0 60.0 GWP — 84 84 84 84 104 104 104 104 COP Ratio %(relative to 101.8 101.5 101.2 101.0 102.1 101.8 101.4 101.2 R410A) Refrigerating %(relative to 70.8 72.6 74.3 76.0 70.4 72.3 74.0 75.8 Capacity R410A) Ratio -
TABLE 137 Example Example Example Example Item Unit 95 Example 96 97 Example 98 99 Example 100 Example 101 102 HFO-1132(E) Mass % 28.0 12.0 15.0 18.0 21.0 24.0 27.0 25.0 R32 Mass % 15.0 18.0 18.0 18.0 18.0 18.0 18.0 21.0 R1234yf Mass % 57.0 70.0 67.0 64.0 61.0 58.0 55.0 54.0 GWP — 104 124 124 124 124 124 124 144 COP Ratio %(relative to 100.9 102.2 101.9 101.6 101.3 101.0 100.7 100.7 R410A) Refrigerating %(relative to Capacity R410A) 77.5 70.5 72.4 74.2 76.0 77.7 79.4 80.7 Ratio -
TABLE 138 Example Example Example Example Item Unit 103 Example 104 105 Example 106 Example 107 108 Example 109 110 HFO-1132(E) Mass % 21.0 24.0 17.0 20.0 23.0 13.0 16.0 19.0 R32 Mass % 24.0 24.0 27.0 27.0 27.0 30.0 30.0 30.0 R1234yf Mass % 55.0 52.0 56.0 53.0 50.0 57.0 54.0 51.0 GWP — 164 164 185 185 184 205 205 205 COP Ratio %(relative to 100.9 100.6 101.1 100.8 100.6 101.3 101.0 100.8 R410A) Refrigerating %(relative to 80.8 82.5 80.8 82.5 84.2 80.7 82.5 84.2 Capacity R410A) Ratio -
TABLE 139 Example Example Example Example Item Unit 111 Example 112 113 Example 114 Example 115 116 Example 117 118 HFO-1132(E) Mass % 22.0 9.0 12.0 15.0 18.0 21.0 8.0 12.0 R32 Mass % 30.0 33.0 33.0 33.0 33.0 33.0 36.0 36.0 R1234yf Mass % 48.0 58.0 55.0 52.0 49.0 46.0 56.0 52.0 GWP — 205 225 225 225 225 225 245 245 COP Ratio %(relative to 100.5 101.6 101.3 101.0 100.8 100.5 101.6 101.2 R410A) Refrigerating %(relative to 85.9 80.5 82.3 84.1 85.8 87.5 82.0 84.4 Capacity R410A) Ratio -
TABLE 140 Example Example Example Example Example Item Unit 119 120 121 122 Example 123 Example 124 Example 125 126 HFO-1132(E) Mass % 15.0 18.0 21.0 42.0 39.0 34.0 37.0 30.0 R32 Mass % 36.0 36.0 36.0 25.0 28.0 31.0 31.0 34.0 R1234yf Mass % 49.0 46.0 43.0 33.0 33.0 35.0 32.0 36.0 GWP — 245 245 245 170 191 211 211 231 COP Ratio %(relative to 101.0 100.7 100.5 99.5 99.5 99.8 99.6 99.9 R410A) Refrigerating %(relative to 86.2 87.9 89.6 92.7 93.4 93.0 94.5 93.0 Capacity R410A) Ratio -
TABLE 141 Example Example Example Example Item Unit 127 Example 128 129 Example 130 Example 131 132 Example 133 134 HFO-1132(E) Mass % 33.0 36.0 24.0 27.0 30.0 33.0 23.0 26.0 R32 Mass % 34.0 34.0 37.0 37.0 37.0 37.0 40.0 40.0 R1234yf Mass % 33.0 30.0 39.0 36.0 33.0 30.0 37.0 34.0 GWP — 231 231 252 251 251 251 272 272 COP Ratio %(relative to 99.8 99.6 100.3 100.1 99.9 99.8 100.4 100.2 R410A) Refrigerating %(relative to 94.5 96.0 91.9 93.4 95.0 96.5 93.3 94.9 Capacity R410A) Ratio -
TABLE 142 Example Example Example Example Item Unit 135 Example 136 137 Example 138 139 Example 140 Example 141 142 HFO-1132(E) Mass % 29.0 32.0 19.0 22.0 25.0 28.0 31.0 18.0 R32 Mass % 40.0 40.0 43.0 43.0 43.0 43.0 43.0 46.0 R1234yf Mass % 31.0 28.0 38.0 35.0 32.0 29.0 26.0 36.0 GWP — 272 271 292 292 292 292 292 312 COP Ratio %(relative to 100.0 99.8 100.6 100.4 100.2 100.1 99.9 100.7 R410A) Refrigerating %(relative to 96.4 97.9 93.1 94.7 96.2 97.8 99.3 94.4 Capacity R410A) Ratio -
TABLE 143 Example Example Example Example Item Unit 143 Example 144 145 Example 146 147 Example 148 149 Example 150 HFO-1132(E) Mass % 21.0 23.0 26.0 29.0 13.0 16.0 19.0 22.0 R32 Mass % 46.0 46.0 46.0 46.0 49.0 49.0 49.0 49.0 R1234yf Mass % 33.0 31.0 28.0 25.0 38.0 35.0 32.0 29.0 GWP — 312 312 312 312 332 332 332 332 COP Ratio %(relative to 100.5 100.4 100.2 100.0 101.1 100.9 100.7 100.5 R410A) Refrigerating %(relative to 96.0 97.0 98.6 100.1 93.5 95.1 96.7 98.3 Capacity R410A) Ratio -
TABLE 144 Item Unit Example 151 Example 152 HFO-1132(E) Mass % 25.0 28.0 R32 Mass % 49.0 49.0 R1234yf Mass % 26.0 23.0 GWP — 332 332 COP Ratio % (relative to 100.3 100.1 R410A) Refrigerating % (relative to 99.8 101.3 Capacity Ratio R410A) - The results also indicate that under the condition that the mass % of HFO-1132(E), R32, and R1234yf based on their sum is respectively represented by x, y, and z, when coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), R32, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments IJ, JN, NE, and EI that connect the following 4 points:
- point I (72.0, 0.0, 28.0),
point J (48.5, 18.3, 33.2),
point N (27.7, 18.2, 54.1), and
point E (58.3, 0.0, 41.7),
or on these line segments (excluding the points on the line segment EI), - the line segment IJ is represented by coordinates (0.0236y2−1.7616y+72.0, y, −0.0236y2+0.7616y+28.0),
- the line segment NE is represented by coordinates (0.012y2−1.9003y+58.3, y, −0.012y2+0.9003y+41.7), and
- the line segments JN and EI are straight lines, the refrigerant D has a refrigerating capacity ratio of 80% or more relative to R410A, a GWP of 125 or less, and a WCF lower flammability.
- The results also indicate that under the condition that the mass % of HFO-1132(E), R32, and R1234yf based on their sum is respectively represented by x, y, and z, when coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), R32, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments MM′, M′N, NV, VG, and GM that connect the following 5 points:
- point M (52.6, 0.0, 47.4),
point M′ (39.2, 5.0, 55.8),
point N (27.7, 18.2, 54.1),
point V (11.0, 18.1, 70.9), and
point G (39.6, 0.0, 60.4),
or on these line segments (excluding the points on the line segment GM), - the line segment MM′ is represented by coordinates (0.132y2−3.34y+52.6, y, −0.132y2+2.34y+47.4),
- the line segment M′N is represented by coordinates (0.0596y2−2.2541y+48.98, y, −0.0596y2+1.2541y+51.02),
- the line segment VG is represented by coordinates (0.0123y2−1.8033y+39.6, y, −0.0123y2+0.8033y+60.4), and
- the line segments NV and GM are straight lines, the refrigerant D according to the present disclosure has a refrigerating capacity ratio of 70% or more relative to R410A, a GWP of 125 or less, and an ASHRAE lower flammability.
- The results also indicate that under the condition that the mass % of HFO-1132(E), R32, and R1234yf based on their sum is respectively represented by x, y, and z, when coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), R32, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments ON, NU, and UO that connect the following 3 points:
- point O (22.6, 36.8, 40.6),
point N (27.7, 18.2, 54.1), and
point U (3.9, 36.7, 59.4),
or on these line segments, - the line segment ON is represented by coordinates (0.0072y2−0.6701y+37.512, y, −0.0072y2−0.3299y+62.488),
- the line segment NU is represented by coordinates (0.0083y2−1.7403y+56.635, y, −0.0083y2+0.7403y+43.365), and
- the line segment UO is a straight line, the refrigerant D according to the present disclosure has a refrigerating capacity ratio of 80% or more relative to R410A, a GWP of 250 or less, and an ASHRAE lower flammability.
- The results also indicate that under the condition that the mass % of HFO-1132(E), R32, and R1234yf based on their sum is respectively represented by x, y, and z, when coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), R32, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments QR, RT, TL, LK, and KQ that connect the following 5 points:
- point Q (44.6, 23.0, 32.4),
point R (25.5, 36.8, 37.7),
point T (8.6, 51.6, 39.8),
point L (28.9, 51.7, 19.4), and
point K (35.6, 36.8, 27.6),
or on these line segments, - the line segment QR is represented by coordinates (0.0099y2−1.975y+84.765, y, −0.0099y2+0.975y+15.235),
- the line segment RT is represented by coordinates (0.0082y2−1.8683y+83.126, y, −0.0082y2+0.8683y+16.874),
- the line segment LK is represented by coordinates (0.0049y2−0.8842y+61.488, y, −0.0049y2−0.1158y+38.512),
- the line segment KQ is represented by coordinates (0.0095y2−1.2222y+67.676, y, −0.0095y2+0.2222y+32.324), and
- the line segment TL is a straight line, the refrigerant D according to the present disclosure has a refrigerating capacity ratio of 92.5% or more relative to R410A, a GWP of 350 or less, and a WCF lower flammability.
- The results further indicate that under the condition that the mass % of HFO-1132(E), R32, and R1234yf based on their sum is respectively represented by x, y, and z, when coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), R32, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments PS, ST, and TP that connect the following 3 points:
- point P (20.5, 51.7, 27.8),
point S (21.9, 39.7, 38.4), and
point T (8.6, 51.6, 39.8),
or on these line segments, - the line segment PS is represented by coordinates (0.0064y2−0.7103y+40.1, y, −0.0064y2−0.2897y+59.9),
- the line segment ST is represented by coordinates (0.0082y2−1.8683y+83.126, y, −0.0082y2+0.8683y+16.874), and
- the line segment TP is a straight line, the refrigerant D according to the present disclosure has a refrigerating capacity ratio of 92.5% or more relative to R410A, a GWP of 350 or less, and an ASHRAE lower flammability.
- The refrigerant E according to the present disclosure is a mixed refrigerant comprising trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), and difluoromethane (R32).
- The refrigerant E according to the present disclosure has various properties that are desirable as an R410A-alternative refrigerant, i.e., a coefficient of performance equivalent to that of R410A and a sufficiently low GWP.
- The refrigerant E according to the present disclosure is preferably a refrigerant wherein
- when the mass % of HFO-1132(E), HFO-1123, and R32 based on their sum is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R32 is 100 mass % are within the range of a figure surrounded by line segments IK, KB′, B′H, HR, RG, and GI that connect the following 6 points:
- point I (72.0, 28.0, 0.0),
point K (48.4, 33.2, 18.4),
point B′ (0.0, 81.6, 18.4),
point H (0.0, 84.2, 15.8),
point R (23.1, 67.4, 9.5), and
point G (38.5, 61.5, 0.0),
or on these line segments (excluding the points on the line segments B′H and GI); - the line segment IK is represented by coordinates (0.025z2−1.7429z+72.00, −0.025z2+0.7429z+28.0, z),
- the line segment HR is represented by coordinates (−0.3123z2+4.234z+11.06, 0.3123z2−5.234z+88.94, z),
- the line segment RG is represented by coordinates (−0.0491z2−1.1544z+38.5, 0.0491z2+0.1544z+61.5, z), and
- the line segments KB′ and GI are straight lines. When the requirements above are satisfied, the refrigerant according to the present disclosure has WCF lower flammability, a COP ratio of 93% or more relative to that of R410A, and a GWP of 125 or less.
- The refrigerant E according to the present disclosure is preferably a refrigerant wherein
- when the mass % of HFO-1132(E), HFO-1123, and R32 based on their sum is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R32 is 100 mass % are within the range of a figure surrounded by line segments IJ, JR, RG, and GI that connect the following 4 points:
- point I (72.0, 28.0, 0.0),
point J (57.7, 32.8, 9.5),
point R (23.1, 67.4, 9.5), and
point G (38.5, 61.5, 0.0),
or on these line segments (excluding the points on the line segment GI); - the line segment IJ is represented by coordinates (0.025z2−1.7429z+72.0, −0.025z2+0.7429z+28.0, z),
- the line segment RG is represented by coordinates (−0.0491z2−1.1544z+38.5, 0.0491z2+0.1544z+61.5, z), and
- the line segments JR and GI are straight lines. When the requirements above are satisfied, the refrigerant according to the present disclosure has WCF lower flammability, a COP ratio of 93% or more relative to that of R410A, and a GWP of 125 or less.
- The refrigerant E according to the present disclosure is preferably a refrigerant wherein
- when the mass % of HFO-1132(E), HFO-1123, and R32 based on their sum is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R32 is 100 mass % are within the range of a figure surrounded by line segments MP, PB′, B′H, HR, RG, and GM that connect the following 6 points:
- point M (47.1, 52.9, 0.0),
point P (31.8, 49.8, 18.4),
point B′ (0.0, 81.6, 18.4),
point H (0.0, 84.2, 15.8),
point R (23.1, 67.4, 9.5), and
point G (38.5, 61.5, 0.0),
or on these line segments (excluding the points on the line segments B′H and GM); - the line segment MP is represented by coordinates (0.0083z2−0.984z+47.1, −0.0083z2−0.016z+52.9, z),
- the line segment HR is represented by coordinates (−0.3123z2+4.234z+11.06, 0.3123z2−5.234z+88.94, z),
- the line segment RG is represented by coordinates (−0.0491z2−1.1544z+38.5, 0.0491z2+0.1544z+61.5, z), and
- the line segments PB′ and GM are straight lines. When the requirements above are satisfied, the refrigerant according to the present disclosure has ASHRAE lower flammability, a COP ratio of 93% or more relative to that of R410A, and a GWP of 125 or less.
- The refrigerant E according to the present disclosure is preferably a refrigerant wherein
- when the mass % of HFO-1132(E), HFO-1123, and R32 based on their sum is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R32 is 100 mass % are within the range of a figure surrounded by line segments MN, NR, RG, and GM that connect the following 4 points:
- point M (47.1, 52.9, 0.0),
point N (38.5, 52.1, 9.5),
point R (23.1, 67.4, 9.5), and
point G (38.5, 61.5, 0.0),
or on these line segments (excluding the points on the line segment GM); - the line segment MN is represented by coordinates (0.0083z2−0.984z+47.1, −0.0083z2−0.016z+52.9, z),
- the line segment RG is represented by coordinates (−0.0491z2−1.1544z+38.5, 0.0491z2+0.1544z+61.5, z),
- the line segments NR and GM are straight lines. When the requirements above are satisfied, the refrigerant according to the present disclosure has ASHRAE lower flammability, a COP ratio of 93% or more relative to that of R410A, and a GWP of 65 or less.
- The refrigerant E according to the present disclosure is preferably a refrigerant wherein
- when the mass % of HFO-1132(E), HFO-1123, and R32 based on their sum is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R32 is 100 mass % are within the range of a figure surrounded by line segments PS, ST, and TP that connect the following 3 points:
- point P (31.8, 49.8, 18.4),
point S (25.4, 56.2, 18.4), and
point T (34.8, 51.0, 14.2),
or on these line segments; - the line segment ST is represented by coordinates (−0.0982z2+0.9622z+40.931, 0.0982z2−1.9622z+59.069, z),
- the line segment TP is represented by coordinates (0.0083z2−0.984z+47.1, −0.0083z2−0.016z+52.9, z), and
- the line segment PS is a straight line. When the requirements above are satisfied, the refrigerant according to the present disclosure has ASHRAE lower flammability, a COP ratio of 94.5% or more relative to that of R410A, and a GWP of 125 or less.
- The refrigerant E according to the present disclosure is preferably a refrigerant wherein
- when the mass % of HFO-1132(E), HFO-1123, and R32 based on their sum is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R32 is 100 mass % are within the range of a figure surrounded by line segments QB″, B″D, DU, and UQ that connect the following 4 points:
- point Q (28.6, 34.4, 37.0),
point B″ (0.0, 63.0, 37.0),
point D (0.0, 67.0, 33.0), and
point U (28.7, 41.2, 30.1),
or on these line segments (excluding the points on the line segment B″D); - the line segment DU is represented by coordinates (−3.4962z2+210.71z−3146.1, 3.4962z2−211.71z+3246.1, z),
- the line segment UQ is represented by coordinates (0.0135z2−0.9181z+44.133, −0.0135z2−0.0819z+55.867, z), and
- the line segments QB″ and B″D are straight lines. When the requirements above are satisfied, the refrigerant according to the present disclosure has ASHRAE lower flammability, a COP ratio of 96% or more relative to that of R410A, and a GWP of 250 or less.
- The refrigerant E according to the present disclosure is preferably a refrigerant wherein
- when the mass % of HFO-1132(E), HFO-1123, and R32 based on their sum is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R32 is 100 mass % are within the range of a figure surrounded by line segments Oc′, c′d′, d′e′, e′a′, and a′0 that connect the following 5 points:
- point O (100.0, 0.0, 0.0),
point c′ (56.7, 43.3, 0.0),
point d′ (52.2, 38.3, 9.5),
point e′ (41.8, 39.8, 18.4), and
point a′ (81.6, 0.0, 18.4),
or on the line segments c′d′, d′e′, and e′a′ (excluding the points c′ and a′); - the line segment c′d′ is represented by coordinates (−0.0297z2−0.1915z+56.7, 0.0297z2+1.1915z+43.3, z),
- the line segment d′e′ is represented by coordinates (−0.0535z2+0.3229z+53.957, 0.0535z2+0.6771z+46.043, z), and
- the line segments Oc′, e′a′, and a′O are straight lines. When the requirements above are satisfied, the refrigerant according to the present disclosure has a COP ratio of 92.5% or more relative to that of R410A, and a GWP of 125 or less.
- The refrigerant E according to the present disclosure is preferably a refrigerant wherein
- when the mass % of HFO-1132(E), HFO-1123, and R32 based on their sum is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R32 is 100 mass % are within the range of a figure surrounded by line segments Oc, cd, de, ea′, and a′O that connect the following 5 points:
- point O (100.0, 0.0, 0.0),
point c (77.7, 22.3, 0.0),
point d (76.3, 14.2, 9.5),
point e (72.2, 9.4, 18.4), and
point a′ (81.6, 0.0, 18.4),
or on the line segments cd, de, and ea′ (excluding the points c and a′); - the line segment cde is represented by coordinates (−0.017z2+0.0148z+77.684, 0.017z2+0.9852z+22.316, z), and
- the line segments Oc, ea′, and a′O are straight lines. When the requirements above are satisfied, the refrigerant according to the present disclosure has a COP ratio of 95% or more relative to that of R410A, and a GWP of 125 or less.
- The refrigerant E according to the present disclosure is preferably a refrigerant wherein
- when the mass % of HFO-1132(E), HFO-1123, and R32 based on their sum is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R32 is 100 mass % are within the range of a figure surrounded by line segments Oc′, c′d′, d′a, and aO that connect the following 5 points:
- point O (100.0, 0.0, 0.0),
point c′ (56.7, 43.3, 0.0),
point d′ (52.2, 38.3, 9.5), and
point a (90.5, 0.0, 9.5),
or on the line segments c′d′ and d′a (excluding the points c′ and a); - the line segment c′d′ is represented by coordinates (−0.0297z2−0.1915z+56.7, 0.0297z2+1.1915z+43.3, z), and
- the line segments Oc′, d′a, and aO are straight lines. When the requirements above are satisfied, the refrigerant according to the present disclosure has a COP ratio of 93.5% or more relative to that of R410A, and a GWP of 65 or less.
- The refrigerant E according to the present disclosure is preferably a refrigerant wherein
- when the mass % of HFO-1132(E), HFO-1123, and R32 based on their sum is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R32 is 100 mass % are within the range of a figure surrounded by line segments Oc, cd, da, and aO that connect the following 4 points:
- point O (100.0, 0.0, 0.0),
point c (77.7, 22.3, 0.0),
point d (76.3, 14.2, 9.5), and
point a (90.5, 0.0, 9.5),
or on the line segments cd and da (excluding the points c and a); - the line segment cd is represented by coordinates (−0.017z2+0.0148z+77.684, 0.017z2+0.9852z+22.316, z), and
- the line segments Oc, da, and aO are straight lines. When the requirements above are satisfied, the refrigerant according to the present disclosure has a COP ratio of 95% or more relative to that of R410A, and a GWP of 65 or less.
- The refrigerant E according to the present disclosure may further comprise other additional refrigerants in addition to HFO-1132(E), HFO-1123, and R32, as long as the above properties and effects are not impaired. In this respect, the refrigerant according to the present disclosure preferably comprises HFO-1132(E), HFO-1123, and R32 in a total amount of 99.5 mass % or more, more preferably 99.75 mass % or more, and even more preferably 99.9 mass % or more, based on the entire refrigerant.
- Such additional refrigerants are not limited, and can be selected from a wide range of refrigerants. The mixed refrigerant may comprise a single additional refrigerant, or two or more additional refrigerants.
- The present disclosure is described in more detail below with reference to Examples of refrigerant E. However, the refrigerant E is not limited to the Examples.
- Mixed refrigerants were prepared by mixing HFO-1132(E), HFO-1123, and R32 at mass % based on their sum shown in Tables 145 and 146.
- The composition of each mixture was defined as WCF. A leak simulation was performed using National Institute of Science and Technology (NIST) Standard Reference Data Base Refleak Version 4.0 under the conditions for equipment, storage, shipping, leak, and recharge according to the ASHRAE Standard 34-2013. The most flammable fraction was defined as WCFF.
- For each mixed refrigerant, the burning velocity was measured according to the ANSI/ASHRAE Standard 34-2013. When the burning velocities of the WCF composition and the WCFF composition are 10 cm/s or less, the flammability of such a refrigerant is classified as Class 2L (lower flammability) in the ASHRAE flammability classification.
- A burning velocity test was performed using the apparatus shown in
FIG. 1 in the following manner. First, the mixed refrigerants used had a purity of 99.5% or more, and were degassed by repeating a cycle of freezing, pumping, and thawing until no traces of air were observed on the vacuum gauge. The burning velocity was measured by the closed method. The initial temperature was ambient temperature. Ignition was performed by generating an electric spark between the electrodes in the center of a sample cell. The duration of the discharge was 1.0 to 9.9 ms, and the ignition energy was typically about 0.1 to 1.0 J. The spread of the flame was visualized using schlieren photographs. A cylindrical container (inner diameter: 155 mm, length: 198 mm) equipped with two light transmission acrylic windows was used as the sample cell, and a xenon lamp was used as the light source. Schlieren images of the flame were recorded by a high-speed digital video camera at a frame rate of 600 fps and stored on a PC. - Tables 145 and 146 show the results.
-
TABLE 145 Item Unit I J K L WCF HFO-1132(E) mass % 72.0 57.7 48.4 35.5 HFO-1123 mass % 28.0 32.8 33.2 27.5 R32 mass % 0.0 9.5 18.4 37.0 Burning velocity (WCF) cm/s 10 10 10 10 -
TABLE 146 Item Unit M N T P U Q WCF HFO- mass 47.1 38.5 34.8 31.8 28.7 28.6 1132(E) % HFO-1123 mass 52.9 52.1 51.0 49.8 41.2 34.4 % R32 mass 0.0 9.5 14.2 18.4 30.1 37.0 % Storage, Storage, Storage, Storage, Storage, Storage, Shipping, Shipping, Shipping, Shipping, Shipping, Shipping, −40° C., −40° C., −40° C., −40° C., −40° C., −40° C., 92%, 92%, 92%, 92%, 92%, 92%, release, release, release, release, release, release, on the on the on the on the on the on the Leak condition that results in liquid liquid liquid liquid liquid liquid WCFF phase side phase side phase side phase side phase side phase side WCF HFO- mass 72.0 58.9 51.5 44.6 31.4 27.1 F 1132(E) % HFO-1123 mass 28.0 32.4 33.1 32.6 23.2 18.3 % R32 mass 0.0 8.7 15.4 22.8 45.4 54.6 % Burning velocity cm/ s 8 or less 8 or less 8 or less 8 or less 8 or less 8 or less (WCF) Burning velocity cm/s 10 10 10 10 10 10 (WCFF) - The results in Table 1 indicate that in a ternary composition diagram of a mixed refrigerant of HFO-1132(E), HFO-1123, and R32 in which their sum is 100 mass %, a line segment connecting a point (0.0, 100.0, 0.0) and a point (0.0, 0.0, 100.0) is the base, the point (0.0, 100.0, 0.0) is on the left side, and the point (0.0, 0.0, 100.0) is on the right side, when coordinates (x,y,z) are on or below line segments IK and KL that connect the following 3 points:
- point I (72.0, 28.0, 0.0),
point K (48.4, 33.2, 18.4), and
point L (35.5, 27.5, 37.0);
the line segment IK is represented by coordinates (0.025z2−1.7429z+72.00, −0.025z2+0.7429z+28.00, z), and
the line segment KL is represented by coordinates (0.0098z2−1.238z+67.852, −0.0098z2+0.238z+32.148, z),
it can be determined that the refrigerant has WCF lower flammability. - For the points on the line segment 1K, an approximate curve (x=0.025z2−1.7429z+72.00) was obtained from three points, i.e., I (72.0, 28.0, 0.0), J (57.7, 32.8, 9.5), and K (48.4, 33.2, 18.4) by using the least-square method to determine coordinates (x=0.025z2−1.7429z+72.00, y=100−z−x=−0.00922z2+0.2114z+32.443, z).
- Likewise, for the points on the line segment KL, an approximate curve was determined from three points, i.e., K (48.4, 33.2, 18.4), Example 10 (41.1, 31.2, 27.7), and L (35.5, 27.5, 37.0) by using the least-square method to determine coordinates.
- The results in Table 146 indicate that in a ternary composition diagram of a mixed refrigerant of HFO-1132(E), HFO-1123, and R32 in which their sum is 100 mass %, a line segment connecting a point (0.0, 100.0, 0.0) and a point (0.0, 0.0, 100.0) is the base, the point (0.0, 100.0, 0.0) is on the left side, and the point (0.0, 0.0, 100.0) is on the right side, when coordinates (x,y,z) are on or below line segments MP and PQ that connect the following 3 points:
- point M (47.1, 52.9, 0.0),
point P (31.8, 49.8, 18.4), and
point Q (28.6, 34.4, 37.0),
it can be determined that the refrigerant has ASHRAE lower flammability. - In the above, the line segment MP is represented by coordinates (0.0083z2−0.984z+47.1, −0.0083z2−0.016z+52.9, z), and the line segment PQ is represented by coordinates
- (0.0135z2−0.9181z+44.133, −0.0135z2−0.0819z+55.867, z).
- For the points on the line segment MP, an approximate curve was obtained from three points, i.e., points M, N, and P, by using the least-square method to determine coordinates. For the points on the line segment PQ, an approximate curve was obtained from three points, i.e., points P, U, and Q, by using the least-square method to determine coordinates.
- The GWP of compositions each comprising a mixture of R410A (R32=50%/R125=50%) was evaluated based on the values stated in the Intergovernmental Panel on Climate Change (IPCC), fourth report. The GWP of HFO-1132(E), which was not stated therein, was assumed to be 1 from HFO-1132a (GWP=1 or less) and HFO-1123 (GWP=0.3, described in WO2015/141678). The refrigerating capacity of compositions each comprising R410A and a mixture of HFO-1132(E) and HFO-1123 was determined by performing theoretical refrigeration cycle calculations for the mixed refrigerants using the National Institute of Science and Technology (NIST) and Reference Fluid Thermodynamic and Transport Properties Database (Refprop 9.0) under the following conditions.
- The COP ratio and the refrigerating capacity (which may be referred to as “cooling capacity” or “capacity”) ratio relative to those of R410 of the mixed refrigerants were determined. The conditions for calculation were as described below.
- Evaporating temperature: 5° C.
Condensation temperature: 45° C.
Degree of superheating: 5K
Degree of subcooling: 5K
Compressor efficiency: 70% - Tables 147 to 166 show these values together with the GWP of each mixed refrigerant.
-
TABLE 147 Comparative Comparative Comparative Comparative Comparative Comparative Comparative Example Example Example Example Example Example 2 Example 3 4 5 6 7 Item Unit 1 A B A′ B′ A″ B″ HFO-1132(E) mass % R410A 90.5 0.0 81.6 0.0 63.0 0.0 HFO-1123 mass % 0.0 90.5 0.0 81.6 0.0 63.0 R32 mass % 9.5 9.5 18.4 18.4 37.0 37.0 GWP — 2088 65 65 125 125 250 250 COP ratio % 100 99.1 92.0 98.7 93.4 98.7 96.1 (relative to R410A) % Refrigerating (relative 100 102.2 111.6 105.3 113.7 110.0 115.4 capacity to ratio R410A) -
TABLE 148 Com- Com- Com- Com- par- par- par- par- ative ative ative ative Ex- Ex- Ex- Ex- Ex- am- am- am- am- Ex- am- ple 8ple 9ple ple 1 am- ple 11 Item Unit O C 10 U ple 2 D HFO-1132(E) mass % 100.0 50.0 41.1 28.7 15.2 0.0 HFO-1123 mass % 0.0 31.6 34.6 41.2 52.7 67.0 R32 mass % 0.0 18.4 24.3 30.1 32.1 33.0 GWP — 1 125 165 204 217 228 COP ratio % (relative 99.7 96.0 96.0 96.0 96.0 96.0 to R410A) Refrigerating % (relative 98.3 109.9 111.7 113.5 114.8 115.4 capacity ratio to R410A) -
TABLE 149 Com- Com- parative Com- parative Example parative Exam- Exam- Exam- 12 Exam- ple 3ple 4ple 14 Item Unit E ple 13 T S F HFO-1132(E) mass % 53.4 43.4 34.8 25.4 0.0 HFO-1123 mass % 46.6 47.1 51.0 56.2 74.1 R32 mass % 0.0 9.5 14.2 18.4 25.9 GWP — 1 65 97 125 176 COP ratio % (relative 94.5 94.5 94.5 94.5 94.5 to R410A) Refrigerating % (relative 105.6 109.2 110.8 112.3 114.8 capacity ratio to R410A) -
TABLE 150 Com- Com- parative par- Exam- Ex- ative ple Ex- am- Ex- Exam- 15 am- ple 6 am- ple 16 Item Unit G ple 5 R ple 7 H HFO-1132(E) mass % 38.5 31.5 23.1 16.9 0.0 HFO-1123 mass % 61.5 63.5 67.4 71.1 84.2 R32 mass % 0.0 5.0 9.5 12.0 15.8 GWP — 1 35 65 82 107 COP ratio % (relative 93.0 93.0 93.0 93.0 93.0 to R410A) Refrigerating % (relative 107.0 109.1 110.9 111.9 113.2 capacity ratio to R410A) -
TABLE 151 Comparative Comparative Example 17 Example 8 Example 9 Comparative Example 19 Item Unit I J K Example 18 L HFO-1132(E) mass % 72.0 57.7 48.4 41.1 35.5 HFO-1123 mass % 28.0 32.8 33.2 31.2 27.5 R32 mass % 0.0 9.5 18.4 27.7 37.0 GWP — 1 65 125 188 250 COP ratio % (relative 96.6 95.8 95.9 96.4 97.1 to R410A) Refrigerating % (relative 103.1 107.4 110.1 112.1 113.2 capacity ratio to R410A) -
TABLE 152 Compara- tive Example Example Example Example 20 10 11 12 Item Unit M N P Q HFO-1132(E) mass % 47.1 38.5 31.8 28.6 HFO-1123 mass % 52.9 52.1 49.8 34.4 R32 mass % 0.0 9.5 18.4 37.0 GWP — 1 65 125 250 COP ratio % (relative to 93.9 94.1 94.7 96.9 R410A) Refrigerating % (relative to 106.2 109.7 112.0 114.1 capacity ratio R410A) -
TABLE 153 Comparative Comparative Comparative Example Example Example Comparative Comparative Item Unit Example 22 Example 23 Example 24 14 15 16 Example 25 Example 26 HFO-1132(E) mass % 10.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0 HFO-1123 mass % 85.0 75.0 65.0 55.0 45.0 35.0 25.0 15.0 R32 mass % 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 GWP — 35 35 35 35 35 35 35 35 COP ratio % (relative 91.7 92.2 92.9 93.7 94.6 95.6 96.7 97.7 to R410A) Refrigerating % (relative 110.1 109.8 109.2 108.4 107.4 106.1 104.7 103.1 capacity ratio to R410A) -
TABLE 154 Comparative Comparative Comparative Comparative Comparative Example Example Example Example Example Example Example Example Item Unit 27 28 29 17 18 19 30 31 HFO-1132(E) mass % 90.0 10.0 20.0 30.0 40.0 50.0 60.0 70.0 HFO-1123 mass % 5.0 80.0 70.0 60.0 50.0 40.0 30.0 20.0 R32 mass % 5.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 GWP — 35 68 68 68 68 68 68 68 COP ratio % (relative 98.8 92.4 92.9 93.5 94.3 95.1 96.1 97.0 to R410A) Refrigerating % (relative 101.4 111.7 111.3 110.6 109.6 108.5 107.2 105.7 capacity ratio to R410A) -
TABLE 155 Comparative Comparative Comparative Example Example Example Example Example Example Example Example Item Unit 32 20 21 22 23 24 33 34 HFO-1132(E) mass % 80.0 10.0 20.0 30.0 40.0 50.0 60.0 70.0 HFO-1123 mass % 10.0 75.0 65.0 55.0 45.0 35.0 25.0 15.0 R32 mass % 10.0 15.0 15.0 15.0 15.0 15.0 15.0 15.0 GWP — 68 102 102 102 102 102 102 102 COP ratio % (relative 98.0 93.1 93.6 94.2 94.9 95.6 96.5 97.4 to R410A) Refrigerating % (relative 104.1 112.9 112.4 111.6 110.6 109.4 108.1 106.6 capacity ratio to R410A) -
TABLE 156 Comparative Comparative Comparative Comparative Comparative Comparative Comparative Comparative Example Example Example Example Example Example Example Example Item Unit 35 36 37 38 39 40 41 42 HFO-1132(E) mass % 80.0 10.0 20.0 30.0 40.0 50.0 60.0 70.0 HFO-1123 mass % 5.0 70.0 60.0 50.0 40.0 30.0 20.0 10.0 R32 mass % 15.0 20.0 20.0 20.0 20.0 20.0 20.0 20.0 GWP — 102 136 136 136 136 136 136 136 COP ratio % (relative 98.3 93.9 94.3 94.8 95.4 96.2 97.0 97.8 to R410A) Refrigerating % (relative 105.0 113.8 113.2 112.4 111.4 110.2 108.8 107.3 capacity ratio to R410A) -
TABLE 157 Comparative Comparative Comparative Comparative Comparative Comparative Comparative Comparative Example Example Example Example Example Example Example Example Item Unit 43 44 45 46 47 48 49 50 HFO-1132(E) mass % 10.0 20.0 30.0 40.0 50.0 60.0 70.0 10.0 HFO-1123 mass % 65.0 55.0 45.0 35.0 25.0 15.0 5.0 60.0 R32 mass % 25.0 25.0 25.0 25.0 25.0 25.0 25.0 30.0 GWP — 170 170 170 170 170 170 170 203 COP ratio % (relative 94.6 94.9 95.4 96.0 96.7 97.4 98.2 95.3 to R410A) Refrigerating (relative 114.4 113.8 113.0 111.9 110.7 109.4 107.9 114.8 capacity ratio to R410A) -
TABLE 158 Comparative Comparative Comparative Comparative Comparative Comparative Example Example Example Example Example Example Example Example Item Unit 51 52 53 54 55 25 26 56 HFO-1132(E) mass % 20.0 30.0 40.0 50.0 60.0 10.0 20.0 30.0 HFO-1123 mass % 50.0 40.0 30.0 20.0 10.0 55.0 45.0 35.0 R32 mass % 30.0 30.0 30.0 30.0 30.0 35.0 35.0 35.0 GWP — 203 203 203 203 203 237 237 237 COP ratio % (relative 95.6 96.0 96.6 97.2 97.9 96.0 96.3 96.6 to R410A) Refrigerating (relative 114.2 113.4 112.4 111.2 109.8 115.1 114.5 113.6 capacity ratio to R410A) -
TABLE 159 Comparative Comparative Comparative Comparative Comparative Comparative Comparative Comparative Example Example Example Example Example Example Example Example Item Unit 57 58 59 60 61 62 63 64 HFO-1132(E) mass % 40.0 50.0 60.0 10.0 20.0 30.0 40.0 50.0 HFO-1123 mass % 25.0 15.0 5.0 50.0 40.0 30.0 20.0 10.0 R32 mass % 35.0 35.0 35.0 40.0 40.0 40.0 40.0 40.0 GWP — 237 237 237 271 271 271 271 271 COP ratio % (relative 97.1 97.7 98.3 96.6 96.9 97.2 97.7 98.2 to R410A) Refrigerating (relative 112.6 111.5 110.2 115.1 114.6 113.8 112.8 111.7 capacity ratio to R410A) -
TABLE 160 Example Example Example Example Example Example Example Example Item Unit 27 28 29 30 31 32 33 34 HFO-1132(E) mass % 38.0 40.0 42.0 44.0 35.0 37.0 39.0 41.0 HFO-1123 mass % 60.0 58.0 56.0 54.0 61.0 59.0 57.0 55.0 R32 mass % 2.0 2.0 2.0 2.0 4.0 4.0 4.0 4.0 GWP — 14 14 14 14 28 28 28 28 COP ratio % (relative 93.2 93.4 93.6 93.7 93.2 93.3 93.5 93.7 to R410A) Refrigerating % (relative 107.7 107.5 107.3 107.2 108.6 108.4 108.2 108.0 capacity ratio to R410A) -
TABLE 161 Example Example Example Example Example Example Example Example Item Unit 35 36 37 38 39 40 41 42 HFO-1132(E) mass % 43.0 31.0 33.0 35.0 37.0 39.0 41.0 27.0 HFO-1123 mass % 53.0 63.0 61.0 59.0 57.0 55.0 53.0 65.0 R32 mass % 4.0 6.0 6.0 6.0 6.0 6.0 6.0 8.0 GWP — 28 41 41 41 41 41 41 55 COP ratio % (relative 93.9 93.1 93.2 93.4 93.6 93.7 93.9 93.0 to R410A) Refrigerating % (relative 107.8 109.5 109.3 109.1 109.0 108.8 108.6 110.3 capacity ratio to R410A) -
TABLE 162 Example Example Example Example Example Example Example Example Item Unit 43 44 45 46 47 48 49 50 HFO-1132(E) mass % 29.0 31.0 33.0 35.0 37.0 39.0 32.0 32.0 HFO-1123 mass % 63.0 61.0 59.0 57.0 55.0 53.0 51.0 50.0 R32 mass % 8.0 8.0 8.0 8.0 8.0 8.0 17.0 18.0 GWP — 55 55 55 55 55 55 116 122 COP ratio % (relative 93.2 93.3 93.5 93.6 93.8 94.0 94.5 94.7 to R410A) Refrigerating % (relative 110.1 110.0 109.8 109.6 109.5 109.3 111.8 111.9 capacity ratio to R410A) -
TABLE 163 Example Example Example Example Example Example Example Example Item Unit 51 52 53 54 55 56 57 58 HFO-1132(E) mass % 30.0 27.0 21.0 23.0 25.0 27.0 11.0 13.0 HFO-1123 mass % 52.0 42.0 46.0 44.0 42.0 40.0 54.0 52.0 R32 mass % 18.0 31.0 33.0 33.0 33.0 33.0 35.0 35.0 GWP — 122 210 223 223 223 223 237 237 COP ratio % (relative 94.5 96.0 96.0 96.1 96.2 96.3 96.0 96.0 to R410A) Refrigerating % (relative 112.1 113.7 114.3 114.2 114.0 113.8 115.0 114.9 capacity ratio to R410A) -
TABLE 164 Example Example Example Example Example Example Example Example Item Unit 59 60 61 62 63 64 65 66 HFO-1132(E) mass % 15.0 17.0 19.0 21.0 23.0 25.0 27.0 11.0 HFO-1123 mass % 50.0 48.0 46.0 44.0 42.0 40.0 38.0 52.0 R32 mass % 35.0 35.0 35.0 35.0 35.0 35.0 35.0 37.0 GWP — 237 237 237 237 237 237 237 250 COP ratio % (relative 96.1 96.2 96.2 96.3 96.4 96.4 96.5 96.2 to R410A) Refrigerating % (relative 114.8 114.7 114.5 114.4 114.2 114.1 113.9 115.1 capacity ratio to R410A) -
TABLE 165 Example Example Example Example Example Example Example Example Item Unit 67 68 69 70 71 72 73 74 HFO-1132(E) mass % 13.0 15.0 17.0 15.0 17.0 19.0 21.0 23.0 HFO-1123 mass % 50.0 48.0 46.0 50.0 48.0 46.0 44.0 42.0 R32 mass % 37.0 37.0 37.0 0.0 0.0 0.0 0.0 0.0 GWP — 250 250 250 237 237 237 237 237 COP ratio % (relative 96.3 96.4 96.4 96.1 96.2 96.2 96.3 96.4 to R410A) Refrigerating % (relative 115.0 114.9 114.7 114.8 114.7 114.5 114.4 114.2 capacity ratio to R410A) -
TABLE 166 Example Example Example Example Example Example Example Example Item Unit 75 76 77 78 79 80 81 82 HFO-1132(E) mass % 25.0 27.0 11.0 19.0 21.0 23.0 25.0 27.0 HFO-1123 mass % 40.0 38.0 52.0 44.0 42.0 40.0 38.0 36.0 R32 mass % 0.0 0.0 0.0 37.0 37.0 37.0 37.0 37.0 GWP — 237 237 250 250 250 250 250 250 COP ratio % (relative 96.4 96.5 96.2 96.5 96.5 96.6 96.7 96.8 to R410A) Refrigerating % (relative 114.1 113.9 115.1 114.6 114.5 114.3 114.1 114.0 capacity ratio to R410A) - The above results indicate that under the condition that the mass % of HFO-1132(E), HFO-1123, and R32 based on their sum is respectively represented by x, y, and z, when coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R32 is 100 mass %, a line segment connecting a point (0.0, 100.0, 0.0) and a point (0.0, 0.0, 100.0) is the base, and the point (0.0, 100.0, 0.0) is on the left side are within the range of a figure surrounded by line segments that connect the following 4 points:
- point O (100.0, 0.0, 0.0),
point A″ (63.0, 0.0, 37.0),
point B″ (0.0, 63.0, 37.0), and
point (0.0, 100.0, 0.0),
or on these line segments,
the refrigerant has a GWP of 250 or less. - The results also indicate that when coordinates (x,y,z) are within the range of a figure surrounded by line segments that connect the following 4 points:
- point O (100.0, 0.0, 0.0),
point A′ (81.6, 0.0, 18.4),
point B′ (0.0, 81.6, 18.4), and
point (0.0, 100.0, 0.0),
or on these line segments,
the refrigerant has a GWP of 125 or less. - The results also indicate that when coordinates (x,y,z) are within the range of a figure surrounded by line segments that connect the following 4 points:
- point O (100.0, 0.0, 0.0),
point A (90.5, 0.0, 9.5),
point B (0.0, 90.5, 9.5), and
point (0.0, 100.0, 0.0),
or on these line segments,
the refrigerant has a GWP of 65 or less. - The results also indicate that when coordinates (x,y,z) are on the left side of line segments that connect the following 3 points:
- point C (50.0, 31.6, 18.4),
point U (28.7, 41.2, 30.1), and
point D (52.2, 38.3, 9.5),
or on these line segments,
the refrigerant has a COP ratio of 96% or more relative to that of R410A. - In the above, the line segment CU is represented by coordinates (−0.0538z2+0.7888z+53.701, 0.0538z2−1.7888z+46.299, z), and the line segment UD is represented by coordinates
- (−3.4962z2+210.71z−3146.1, 3.4962z2−211.71z+3246.1, z).
- The points on the line segment CU are determined from three points, i.e., point C, Comparative Example 10, and point U, by using the least-square method.
- The points on the line segment UD are determined from three points, i.e., point U, Example 2, and point D, by using the least-square method.
- The results also indicate that when coordinates (x,y,z) are on the left side of line segments that connect the following 3 points:
- point E (55.2, 44.8, 0.0),
point T (34.8, 51.0, 14.2), and
point F (0.0, 76.7, 23.3),
or on these line segments,
the refrigerant has a COP ratio of 94.5% or more relative to that of R410A. - In the above, the line segment ET is represented by coordinates (−0.0547z2−0.5327z+53.4, 0.0547z2−0.4673z+46.6, z), and the line segment TF is represented by coordinates
- (−0.0982z2+0.9622z+40.931, 0.0982z2−1.9622z+59.069, z).
- The points on the line segment ET are determined from three points, i.e., point E, Example 2, and point T, by using the least-square method.
- The points on the line segment TF are determined from three points, i.e., points T, S, and F, by using the least-square method.
- The results also indicate that when coordinates (x,y,z) are on the left side of line segments that connect the following 3 points:
- point G (0.0, 76.7, 23.3),
point R (21.0, 69.5, 9.5), and
point H (0.0, 85.9, 14.1),
or on these line segments,
the refrigerant has a COP ratio of 93% or more relative to that of R410A. - In the above, the line segment GR is represented by coordinates (−0.0491z2−1.1544z+38.5, 0.0491z2+0.1544z+61.5, z), and the line segment RH is represented by coordinates
- (−0.3123z2+4.234z+11.06, 0.3123z2−5.234z+88.94, z).
- The points on the line segment GR are determined from three points, i.e., point G, Example 5, and point R, by using the least-square method.
- The points on the line segment RH are determined from three points, i.e., point R, Example 7, and point H, by using the least-square method.
- In contrast, as shown in, for example, Comparative Examples 8, 9, 13, 15, 17, and 18, when R32 is not contained, the concentrations of HFO-1132(E) and HFO-1123, which have a double bond, become relatively high; this undesirably leads to deterioration, such as decomposition, or polymerization in the refrigerant compound.
- A refrigeration cycle illustrated in
FIG. 16 is a vapor compression refrigeration cycle using a nonazeotropic mixed refrigerant. InFIG. 16 ,reference sign 1 denotes a compressor, 2 denotes a use-side heat exchanger, 3 denotes a heat-source-side heat exchanger, and 4 denotes a first capillary tube that acts as an expansion mechanism. The devices are connected via a four-way switching valve 5 to constitute a reversible cycle.Reference sign 6 denotes an accumulator. - In the present embodiment, the refrigeration cycle is filled with a refrigerant for performing a vapor compression refrigeration cycle. The refrigerant is a mixed refrigerant containing 1,2-difluoroethylene, and can use any one of the above-described refrigerants A to E.
- In the refrigeration cycle, the heat-source-
side heat exchanger 3 is divided into a firstheat exchange section 31 and a secondheat exchange section 32. The first and secondheat exchange sections capillary tube 7 serving as a decompression mechanism. During heating operation, the secondcapillary tube 7 decreases the evaporation pressure of the mixed refrigerant while the mixed refrigerant flows through the heat-source-side heat exchanger 3.Reference sign 8 denotes a check valve provided to cause the mixed refrigerant to bypass the secondcapillary tube 7 during cooling operation. - The
compressor 1, the heat-source-side heat exchanger 3, the firstcapillary tube 4, the four-way switching valve 5, theaccumulator 6, and the secondcapillary tube 7 are disposed in aheat source unit 50 situated outside a room. The use-side heat exchanger 2 is disposed in ause unit 60 situated inside the room. - As illustrated in
FIG. 17 , theuse unit 60 has a rear surface that is fixed to a side wall WL in the room. The indoor air flows into the use-side heat exchanger 2 from the front-surface side (the left side inFIG. 17 ) and the upper-surface side of theuse unit 60. The use-side heat exchanger 2 includes a thirdheat exchange section 21 located on the front-surface side of theuse unit 60, and a fourthheat exchange section 22 located on the rear-surface side of theuse unit 60. An upper portion of the fourthheat exchange section 22 is located near an upper portion of the thirdheat exchange section 21. The thirdheat exchange section 21 extends obliquely downward from the upper portion thereof toward the front-surface side of theuse unit 60. The fourthheat exchange section 22 extends obliquely downward from the upper portion thereof toward the rear-surface side of theuse unit 60. The capacity of the refrigerant flow path of the thirdheat exchange section 21 is larger than the capacity of the refrigerant flow path of the fourthheat exchange section 22. The air velocity of the air passing through the thirdheat exchange section 21 is fast and the air velocity of the air passing through the fourthheat exchange section 22 is slow. The thirdheat exchange section 21 and the fourth heat exchange section are designed to have the capacities of the refrigerant flow paths in accordance with the air velocities. Thus, the efficiency of heat exchange of the use-side heat exchanger 2 is increased. - Next, setting of the decompression amount of each of the
capillary tubes FIG. 18 . - In
FIG. 18 , T1 is an isotherm indicating a frost limit temperature (for example, −3° C.) and T2 is an isotherm indicating a standard outside air temperature (for example, 7° C.) during heating operation. - The decompression amount of the first
capillary tube 4 on the inlet side of the firstheat exchange section 31 is set to a pressure P1 with which the evaporation temperature of the refrigerant at the inlet of the firstheat exchange section 31 becomes a temperature T3 that is slightly higher than the frost limit temperature T1 during heating operation. - The decompression amount of the second
capillary tube 7 disposed between the first and secondheat exchange sections capillary tube 7 is set to attain decompression to a pressure P2 with which the evaporation temperature at the inlet of the secondheat exchange section 32 becomes a temperature T5 that is equal to or higher than the frost limit temperature T1 and the evaporation temperature at the outlet of the secondheat exchange section 32 becomes a temperature T6 that is lower than the standard outside air temperature T2. - Next, the operation of the refrigeration cycle is described.
- During heating operation, the four-way switching valve (5) is switched to the state indicated by solid lines in
FIG. 16 , thereby forming a heating cycle. When thecompressor 1 is driven, the mixed refrigerant circulates through thecompressor 1, the use-side heat exchanger 2, the firstcapillary tube 4, the heat-source-side heat exchanger 3, and theaccumulator 6 in that order. A change in state of the mixed refrigerant due to the circulation is described using the Mollier diagram inFIG. 18 . - The mixed refrigerant is discharged as a high-temperature high-pressure gas with a pressure P0 from the compressor 1 (point C1 in
FIG. 18 ). Then, the gas refrigerant is condensed under the same pressure in the use-side heat exchanger 2, and hence the refrigerant is turned into the refrigerant in a liquid state (C2). Next, the refrigerant is expanded (decompressed) in the firstcapillary tube 4, the refrigerant becomes a state with the pressure P1, and the refrigerant flows into the firstheat exchange section 31 of the heat-source-side heat exchanger 3 (C3). - The refrigerant which has flowed into the first
heat exchange section 31 starts evaporating at a temperature T3 that is higher than the frost limit temperature T1 near the inlet of the firstheat exchange section 31. Due to the evaporation, the evaporation temperature near the outlet of the firstheat exchange section 31 increases to T4 (however, T2 or less) (C4). The mixed refrigerant which has flowed out from the firstheat exchange section 31 is decompressed in the secondcapillary tube 7 again and the pressure thereof becomes the pressure P2. By this, the evaporation temperature at the inlet of the secondheat exchange section 32 decreases to a temperature T5 that is lower than the evaporation temperature at the outlet of the firstheat exchange section 31 and that is higher than the frost limit temperature T1 (C5). - By the evaporation in the second
heat exchange section 32, the evaporation temperature of the refrigerant increases, and the refrigerant becomes the gas refrigerant at a temperature T6 that is lower than the standard outside air temperature T2 near the outlet of the secondheat exchange section 32. Then, the refrigerant returns to thecompressor 1 and is compressed again. - In this way, since the second
capillary tube 7 serving as a decompression mechanism is provided between the firstheat exchange section 31 and the secondheat exchange section 32 of the heat-source-side heat exchanger 3, the difference in the evaporation temperature between the inlet and the outlet of the heat-source-side heat exchanger 3 decreases. In other words, in the refrigeration cycle, the degree of increase in the evaporation temperature in the heat-source-side heat exchanger 3 decreases. Accordingly, the evaporation temperature can be shifted within a proper evaporation temperature. The difference between the outside air temperature and the evaporation temperature can be ensured while frost (frosting) in the heat-source-side heat exchanger 3 is avoided. With the advantageous effects, in the refrigeration cycle, the efficiency of heat exchange of the heat-source-side heat exchanger 3 increases. - Moreover, in the refrigeration cycle, even when a mixed refrigerant having a large temperature gradient of the evaporation temperature is used, a decrease in the capacity of the heat-source-
side heat exchanger 3 is suppressed. - When the four-
way switching valve 5 is switched to a state indicated by broken lines, a cooling operation can be performed. This is, however, like related art, and the description is omitted. - A refrigeration cycle illustrated in
FIG. 19 is a heat pump refrigeration apparatus using a nonazeotropic refrigerant similarly to the above-described refrigeration cycle according to the first embodiment. The different point from the first embodiment is that the composition of the mixed refrigerant is changed to allow the capacity to be increased or decreased in accordance with the load. Specifically, a gas-liquid separator 9 is provided between third and fourthcapillary tubes container 11 for storing a refrigerant is provided in asuction gas pipe 10. One end of thecontainer 11 is connected to a gas region of the gas-liquid separator 9 via a first open-close valve 12. The other end of thecontainer 11 is connected to thesuction gas pipe 10 via the second open-close valve 13. - Bringing the second open-
close valve 13 into a closed state and the first open-close valve 12 into an open state allows the mixed refrigerant with a large proportion of a low-boiling-point refrigerant to flow into thecontainer 11 from the gas-liquid separator 9, and hence the refrigerant can be condensed and stored. Accordingly, the composition ratio of a high-boiling-point refrigerant in the circulating mixed refrigerant increases, and the capacity can be decreased. - Moreover, bringing the second open-
close valve 13 into an open state and the first open-close valve 12 into a closed state allows the composition ratio of the mixed refrigerant to be returned to the original state and the capacity is increased. - The other configurations are similar to those of the first embodiment, and hence the same reference sign as that of the configuration according to the first embodiment is applied in
FIG. 19 and the description is omitted. - In each embodiment described above, the evaporation pressure in the heating operation has two steps; however, the heat-source-
side heat exchanger 3 may be divided into three or more sections, decompression mechanisms may be provided between the divided heat exchange sections, and the evaporation pressure may be changed by three or more steps. - In each embodiment described above, the
capillary tube 7 is provided as a decompression mechanism; however, a decompression mechanism may be constituted by determining the inner diameter of the heat transfer tube of the heat-source-side heat exchanger 3 so as to obtain a proper decompression gradient. - Moreover, the decompression amount of the decompression mechanism may not be set such that the evaporation temperature at the inlet of the heat-source-
side heat exchanger 3 is equal to or higher than the frost limit temperature during heating operation. - The embodiments of the present disclosure have been described above, and it is understood that the embodiments and details can be modified in various ways without departing from the idea and scope of the present disclosure described in the claims.
-
-
- 1 compressor
- 2 use-side heat exchanger
- 3 heat-source-side heat exchanger
- 4 first capillary tube (expansion mechanism)
- 7 second capillary tube (decompression mechanism)
- 21 third heat exchange section
- 22 fourth heat exchange section
- 31 first heat exchange section
- 32 second heat exchange section
- 41 third capillary tube (expansion mechanism)
- 42 fourth capillary tube (expansion mechanism)
- 60 use unit
- PTL 1: Japanese Unexamined Patent Application Publication No. 57-198968
Claims (27)
1. A refrigeration cycle using a refrigerant which is a flammable refrigerant and which contains at least 1,2-difluoroethylene (HFO-1132(E)), comprising:
a compressor;
a heat-source-side heat exchanger;
an expansion mechanism;
a use-side heat exchanger; and
a decompression mechanism that decompresses, between an inlet and an outlet of the heat-source-side heat exchanger, the mixed refrigerant flowing through the heat-source-side heat exchanger that functions as an evaporator.
2. The refrigeration cycle according to claim 1 , wherein
the decompression mechanism decompresses the refrigerant flowing through the heat-source-side heat exchanger in accordance with a temperature gradient of the refrigerant.
3. The refrigeration cycle according to claim 1 , wherein
the heat-source-side heat exchanger includes a first heat exchange section and a second heat exchange section, and
the decompression mechanism is disposed between the first heat exchange section and the second heat exchange section.
4. The refrigeration cycle according to claim 1 , wherein
the use-side heat exchanger is disposed in a use unit, and includes a third heat exchange section located on a front-surface side of the use unit, and a fourth heat exchange section located on a rear-surface side of the use unit,
an upper portion of the fourth heat exchange section is located near an upper portion of the third heat exchange section,
the third heat exchange section extends obliquely downward from the upper portion thereof toward the front-surface side of the use unit,
the fourth heat exchange section extends obliquely downward from the upper portion thereof toward the rear-surface side of the use unit, and
a capacity of a refrigerant flow path of the third heat exchange section is larger than a capacity of a refrigerant flow path of the fourth heat exchange section.
5. The refrigeration cycle according to claim 1 ,
wherein
the refrigerant comprises trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), and 2,3,3,3-tetrafluoro-1-propene (R1234yf).
6. The refrigeration cycle according to claim 5 ,
wherein
when the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments AA′, A′B, BD, DC′, C′C, CO, and OA that connect the following 7 points:
point A (68.6, 0.0, 31.4),
point A′ (30.6, 30.0, 39.4),
point B (0.0, 58.7, 41.3),
point D (0.0, 80.4, 19.6),
point C′ (19.5, 70.5, 10.0),
point C (32.9, 67.1, 0.0), and
point O (100.0, 0.0, 0.0),
or on the above line segments (excluding the points on the line segments BD, CO, and OA);
the line segment AA′ is represented by coordinates (x, 0.0016x2−0.9473x+57.497, −0.0016x2−0.0527x+42.503),
the line segment A′B is represented by coordinates (x, 0.0029x2−1.0268x+58.7, −0.0029x2+0.0268x+41.3),
the line segment DC′ is represented by coordinates (x, 0.0082x2−0.6671x+80.4, −0.0082x2−0.3329x+19.6),
the line segment C′C is represented by coordinates (x, 0.0067x2−0.6034x+79.729, −0.0067x2−0.3966x+20.271), and
the line segments BD, CO, and OA are straight lines.
7. The refrigeration cycle according to claim 5 ,
wherein
when the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments GI, IA, AA′, A′B, BD, DC′, C′C, and CG that connect the following 8 points:
point G (72.0, 28.0, 0.0),
point I (72.0, 0.0, 28.0),
point A (68.6, 0.0, 31.4),
point A′ (30.6, 30.0, 39.4),
point B (0.0, 58.7, 41.3),
point D (0.0, 80.4, 19.6),
point C′ (19.5, 70.5, 10.0), and
point C (32.9, 67.1, 0.0),
or on the above line segments (excluding the points on the line segments IA, BD, and CG);
the line segment AA′ is represented by coordinates (x, 0.0016x2−0.9473x+57.497, −0.0016x2−0.0527x+42.503),
the line segment A′B is represented by coordinates (x, 0.0029x2−1.0268x+58.7, −0.0029x2+0.0268x+41.3),
the line segment DC′ is represented by coordinates (x, 0.0082x2−0.6671x+80.4, −0.0082x2−0.3329x+19.6),
the line segment C′C is represented by coordinates (x, 0.0067x2−0.6034x+79.729, −0.0067x2−0.3966x+20.271), and
the line segments GI, IA, BD, and CG are straight lines.
8. The refrigeration cycle according to claim 5 ,
wherein
when the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments JP, PN, NK, KA′, A′B, BD, DC′, C′C, and CJ that connect the following 9 points:
point J (47.1, 52.9, 0.0),
point P (55.8, 42.0, 2.2),
point N (68.6, 16.3, 15.1),
point K (61.3, 5.4, 33.3),
point A′ (30.6, 30.0, 39.4),
point B (0.0, 58.7, 41.3),
point D (0.0, 80.4, 19.6),
point C′ (19.5, 70.5, 10.0), and
point C (32.9, 67.1, 0.0),
or on the above line segments (excluding the points on the line segments BD and CJ);
the line segment PN is represented by coordinates (x, −0.1135x2+12.112x−280.43, 0.1135x2−13.112x+380.43),
the line segment NK is represented by coordinates (x, 0.2421x2−29.955x+931.91, −0.2421x2+28.955x−831.91),
the line segment KA′ is represented by coordinates (x, 0.0016x2−0.9473x+57.497, −0.0016x2−0.0527x+42.503),
the line segment A′B is represented by coordinates (x, 0.0029x2−1.0268x+58.7, −0.0029x2+0.0268x+41.3),
the line segment DC′ is represented by coordinates (x, 0.0082x2−0.6671x+80.4, −0.0082x2−0.3329x+19.6),
the line segment C′C is represented by coordinates (x, 0.0067x2−0.6034x+79.729, −0.0067x2−0.3966x+20.271), and
the line segments JP, BD, and CG are straight lines.
9. The refrigeration cycle according to claim 5 ,
wherein
when the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments JP, PL, LM, MA′, A′B, BD, DC′, C′C, and CJ that connect the following 9 points:
point J (47.1, 52.9, 0.0),
point P (55.8, 42.0, 2.2),
point L (63.1, 31.9, 5.0),
point M (60.3, 6.2, 33.5),
point A′ (30.6, 30.0, 39.4),
point B (0.0, 58.7, 41.3),
point D (0.0, 80.4, 19.6),
point C′ (19.5, 70.5, 10.0), and
point C (32.9, 67.1, 0.0),
or on the above line segments (excluding the points on the line segments BD and CJ);
the line segment PL is represented by coordinates (x, −0.1135x2+12.112x−280.43, 0.1135x2−13.112x+380.43)
the line segment MA′ is represented by coordinates (x, 0.0016x2−0.9473x+57.497, −0.0016x2−0.0527x+42.503),
the line segment A′B is represented by coordinates (x, 0.0029x2−1.0268x+58.7, −0.0029x2+0.0268x+41.3),
the line segment DC′ is represented by coordinates (x, 0.0082x2−0.6671x+80.4, −0.0082x2−0.3329x+19.6),
the line segment C′C is represented by coordinates (x, 0.0067x2−0.6034x+79.729, −0.0067x2−0.3966x+20.271), and
the line segments JP, LM, BD, and CG are straight lines.
10. The refrigeration cycle according to claim 5 ,
wherein
when the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments PL, LM, MA′, A′B, BF, FT, and TP that connect the following 7 points:
point P (55.8, 42.0, 2.2),
point L (63.1, 31.9, 5.0),
point M (60.3, 6.2, 33.5),
point A′ (30.6, 30.0, 39.4),
point B (0.0, 58.7, 41.3),
point F (0.0, 61.8, 38.2), and
point T (35.8, 44.9, 19.3),
or on the above line segments (excluding the points on the line segment BF);
the line segment PL is represented by coordinates (x, −0.1135x2+12.112x−280.43, 0.1135x2−13.112x+380.43),
the line segment MA′ is represented by coordinates (x, 0.0016x2−0.9473x+57.497, −0.0016x2−0.0527x+42.503),
the line segment A′B is represented by coordinates (x, 0.0029x2−1.0268x+58.7, −0.0029x2+0.0268x+41.3),
the line segment FT is represented by coordinates (x, 0.0078x2−0.7501x+61.8, −0.0078x2−0.2499x+38.2),
the line segment TP is represented by coordinates (x, 0.00672x2−0.7607x+63.525, −0.00672x2−0.2393x+36.475), and
the line segments LM and BF are straight lines.
11. The refrigeration cycle according to claim 5 ,
wherein
when the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments PL, LQ, QR, and RP that connect the following 4 points:
point P (55.8, 42.0, 2.2),
point L (63.1, 31.9, 5.0),
point Q (62.8, 29.6, 7.6), and
point R (49.8, 42.3, 7.9),
or on the above line segments;
the line segment PL is represented by coordinates (x, −0.1135x2+12.112x−280.43, 0.1135x2−13.112x+380.43),
the line segment RP is represented by coordinates (x, 0.00672x2−0.7607x+63.525, −0.00672x2−0.2393x+36.475), and
the line segments LQ and QR are straight lines.
12. The refrigeration cycle according to claim 5 ,
wherein
when the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments SM, MA′, A′B, BF, FT, and TS that connect the following 6 points:
point S (62.6, 28.3, 9.1),
point M (60.3, 6.2, 33.5),
point A′ (30.6, 30.0, 39.4),
point B (0.0, 58.7, 41.3),
point F (0.0, 61.8, 38.2), and
point T (35.8, 44.9, 19.3),
or on the above line segments,
the line segment MA′ is represented by coordinates (x, 0.0016x2−0.9473x+57.497, −0.0016x2−0.0527x+42.503),
the line segment A′B is represented by coordinates (x, 0.0029x2−1.0268x+58.7, −0.0029x2+0.0268x+41.3),
the line segment FT is represented by coordinates (x, 0.0078x2−0.7501x+61.8, −0.0078x2−0.2499x+38.2),
the line segment TS is represented by coordinates (x, −0.0017x2−0.7869x+70.888, −0.0017x2−0.2131x+29.112), and
the line segments SM and BF are straight lines.
13. The refrigeration cycle according to claim 1 ,
wherein
the refrigerant comprises trans-1,2-difluoroethylene (HFO-1132(E)) and trifluoroethylene (HFO-1123) in a total amount of 99.5 mass % or more based on the entire refrigerant, and
the refrigerant comprises 62.0 mass % to 72.0 mass % of HFO-1132(E) based on the entire refrigerant.
14. The refrigeration cycle according to claim 1 ,
wherein
the refrigerant comprises trans-1,2-difluoroethylene (HFO-1132(E)) and trifluoroethylene (HFO-1123) in a total amount of 99.5 mass % or more based on the entire refrigerant, and
the refrigerant comprises 45.1 mass % to 47.1 mass % of HFO-1132(E) based on the entire refrigerant.
15. The refrigeration cycle according to claim 1 ,
wherein
the refrigerant comprises trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), 2,3,3,3-tetrafluoro-1-propene (R1234yf), and difluoromethane (R32),
wherein
when the mass % of HFO-1132(E), HFO-1123, R1234yf, and R32 based on their sum in the refrigerant is respectively represented by x, y, z, and a,
if 0<a≤11.1, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is (100−a) mass % are within the range of a figure surrounded by straight lines GI, IA, AB, BD′, D′ C, and CG that connect the following 6 points:
point G (0.026a2−1.7478a+72.0, −0.026a2+0.7478a+28.0, 0.0),
point I (0.026a2−1.7478a+72.0, 0.0, −0.026a2+0.7478a+28.0),
point A (0.0134a2−1.9681a+68.6, 0.0, −0.0134a2+0.9681a+31.4),
point B (0.0, 0.0144a2−1.6377a+58.7, −0.0144a2+0.6377a+41.3),
point D′ (0.0, 0.0224a2+0.968a+75.4, −0.0224a2−1.968a+24.6), and
point C (−0.2304a2−0.4062a+32.9, 0.2304a2−0.5938a+67.1, 0.0),
or on the straight lines GI, AB, and D′C (excluding point G, point I, point A, point B, point D′, and point C);
if 11.1<a≤18.2, coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines GI, IA, AB, BW, and WG that connect the following 5 points:
point G (0.02a2−1.6013a+71.105, −0.02a2+0.6013a+28.895, 0.0),
point I (0.02a2−1.6013a+71.105, 0.0, −0.02a2+0.6013a+28.895),
point A (0.0112a2−1.9337a+68.484, 0.0, −0.0112a2+0.9337a+31.516),
point B (0.0, 0.0075a2−1.5156a+58.199, −0.0075a2+0.5156a+41.801), and
point W (0.0, 100.0−a, 0.0),
or on the straight lines GI and AB (excluding point G, point I, point A, point B, and point W);
if 18.2<a≤26.7, coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines GI, IA, AB, BW, and WG that connect the following 5 points:
point G (0.0135a2−1.4068a+69.727, −0.0135a2+0.4068a+30.273, 0.0),
point I (0.0135a2−1.4068a+69.727, 0.0, −0.0135a2+0.4068a+30.273),
point A (0.0107a2−1.9142a+68.305, 0.0, −0.0107a2+0.9142a+31.695),
point B (0.0, 0.009a2−1.6045a+59.318, −0.009a2+0.6045a+40.682), and
point W (0.0, 100.0−a, 0.0),
or on the straight lines GI and AB (excluding point G, point I, point A, point B, and point W);
if 26.7<a≤36.7, coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines GI, IA, AB, BW, and WG that connect the following 5 points:
point G (0.0111a2−1.3152a+68.986, −0.0111a2+0.3152a+31.014, 0.0),
point I (0.0111a2−1.3152a+68.986, 0.0, −0.0111a2+0.3152a+31.014),
point A (0.0103a2−1.9225a+68.793, 0.0, −0.0103a2+0.9225a+31.207),
point B (0.0, 0.0046a2−1.41a+57.286, −0.0046a2+0.41a+42.714), and
point W (0.0, 100.0−a, 0.0),
or on the straight lines GI and AB (excluding point G, point I, point A, point B, and point W); and
if 36.7<a≤46.7, coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines GI, IA, AB, BW, and WG that connect the following 5 points:
point G (0.0061a2−0.9918a+63.902, −0.0061a2−0.0082a+36.098, 0.0),
point I (0.0061a2−0.9918a+63.902, 0.0, −0.0061a2−0.0082a+36.098),
point A (0.0085a2−1.8102a+67.1, 0.0, −0.0085a2+0.8102a+32.9),
point B (0.0, 0.0012a2−1.1659a+52.95, −0.0012a2+0.1659a+47.05), and
point W (0.0, 100.0−a, 0.0),
or on the straight lines GI and AB (excluding point G, point I, point A, point B, and point W).
16. The refrigeration cycle according to claim 1 ,
wherein
the refrigerant comprises trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), 2,3,3,3-tetrafluoro-1-propene (R1234yf), and difluoromethane (R32),
wherein
when the mass % of HFO-1132(E), HFO-1123, R1234yf, and R32 based on their sum in the refrigerant is respectively represented by x, y, z, and a,
if 0<a≤11.1, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is (100−a) mass % are within the range of a figure surrounded by straight lines JK′, K′B, BD′, D′C, and CJ that connect the following 5 points:
point J (0.0049a2−0.9645a+47.1, −0.0049a2−0.0355a+52.9, 0.0),
point K′ (0.0514a2−2.4353a+61.7, −0.0323a2+0.4122a+5.9, −0.0191a2+1.0231a+32.4),
point B (0.0, 0.0144a2−1.6377a+58.7, −0.0144a2+0.6377a+41.3),
point D′ (0.0, 0.0224a2+0.968a+75.4, −0.0224a2−1.968a+24.6), and
point C (−0.2304a2−0.4062a+32.9, 0.2304a2−0.5938a+67.1, 0.0),
or on the straight lines JK′, K′B, and D′C (excluding point J, point B, point D′, and point C);
if 11.1<a≤18.2, coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines JK′, K′B, BW, and WJ that connect the following 4 points:
point J (0.0243a2−1.4161a+49.725, −0.0243a2+0.4161a+50.275, 0.0),
point K′ (0.0341a2−2.1977a+61.187, −0.0236a2+0.34a+5.636, −0.0105a2+0.8577a+33.177),
point B (0.0, 0.0075a2−1.5156a+58.199, −0.0075a2+0.5156a+41.801), and
point W (0.0, 100.0−a, 0.0),
or on the straight lines JK′ and K′B (excluding point J, point B, and point W);
if 18.2<a≤26.7, coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines JK′, K′B, BW, and WJ that connect the following 4 points:
point J (0.0246a2−1.4476a+50.184, −0.0246a2+0.4476a+49.816, 0.0),
point K′ (0.0196a2−1.7863a+58.515, −0.0079a2−0.1136a+8.702, −0.0117a2+0.8999a+32.783),
point B (0.0, 0.009a2−1.6045a+59.318, −0.009a2+0.6045a+40.682), and
point W (0.0, 100.0−a, 0.0),
or on the straight lines JK′ and K′B (excluding point J, point B, and point W);
if 26.7<a≤36.7, coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines JK′, K′A, AB, BW, and WJ that connect the following 5 points:
point J (0.0183a2−1.1399a+46.493, −0.0183a2+0.1399a+53.507, 0.0),
point K′ (−0.0051a2+0.0929a+25.95, 0.0, 0.0051a2−1.0929a+74.05),
point A (0.0103a2−1.9225a+68.793, 0.0, −0.0103a2+0.9225a+31.207),
point B (0.0, 0.0046a2−1.41a+57.286, −0.0046a2+0.41a+42.714), and
point W (0.0, 100.0−a, 0.0),
or on the straight lines JK′, K′A, and AB (excluding point J, point B, and point W); and
if 36.7<a≤46.7, coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines JK′, K′A, AB, BW, and WJ that connect the following 5 points:
point J (−0.0134a2+1.0956a+7.13, 0.0134a2−2.0956a+92.87, 0.0),
point K′ (−1.892a+29.443, 0.0, 0.892a+70.557),
point A (0.0085a2−1.8102a+67.1, 0.0, −0.0085a2+0.8102a+32.9),
point B (0.0, 0.0012a2−1.1659a+52.95, −0.0012a2+0.1659a+47.05), and
point W (0.0, 100.0−a, 0.0),
or on the straight lines JK′, K′A, and AB (excluding point J, point B, and point W).
17. The refrigeration cycle according to claim 1 ,
wherein
the refrigerant comprises trans-1,2-difluoroethylene (HFO-1132(E)), difluoromethane (R32), and 2,3,3,3-tetrafluoro-1-propene (R1234yf), wherein
when the mass % of HFO-1132(E), R32, and R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), R32, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments IJ, JN, NE, and EI that connect the following 4 points:
point I (72.0, 0.0, 28.0),
point J (48.5, 18.3, 33.2),
point N (27.7, 18.2, 54.1), and
point E (58.3, 0.0, 41.7),
or on these line segments (excluding the points on the line segment EI;
the line segment IJ is represented by coordinates (0.0236y2−1.7616y+72.0, y, −0.0236y2+0.7616y+28.0);
the line segment NE is represented by coordinates (0.012y2−1.9003y+58.3, y, −0.012y2+0.9003y+41.7); and
the line segments JN and EI are straight lines.
18. The refrigeration cycle according to claim 1 ,
wherein
the refrigerant comprises trans-1,2-difluoroethylene (HFO-1132(E)), difluoromethane (R32), and 2,3,3,3-tetrafluoro-1-propene (R1234yf), wherein
when the mass % of HFO-1132(E), R32, and R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), R32, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments MM′, MN, NV, VG, and GM that connect the following 5 points:
point M (52.6, 0.0, 47.4),
point M′(39.2, 5.0, 55.8),
point N (27.7, 18.2, 54.1),
point V (11.0, 18.1, 70.9), and
point G (39.6, 0.0, 60.4),
or on these line segments (excluding the points on the line segment GM);
the line segment MM′ is represented by coordinates (0.132y2−3.34y+52.6, y, −0.132y2+2.34y+47.4);
the line segment M′N is represented by coordinates (0.0596y2−2.2541y+48.98, y, −0.0596y2+1.2541y+51.02);
the line segment VG is represented by coordinates (0.0123y2−1.8033y+39.6, y, −0.0123y2+0.8033y+60.4); and
the line segments NV and GM are straight lines.
19. The refrigeration cycle according to claim 1 ,
wherein
the refrigerant comprises trans-1,2-difluoroethylene (HFO-1132(E)), difluoromethane (R32), and 2,3,3,3-tetrafluoro-1-propene (R1234yf),
wherein
when the mass % of HFO-1132(E), R32, and R1234yf based on their sum in the refrigerant is respectively represented by x, y and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), R32, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments ON, NU, and UO that connect the following 3 points:
point O (22.6, 36.8, 40.6),
point N (27.7, 18.2, 54.1), and
point U (3.9, 36.7, 59.4),
or on these line segments;
the line segment ON is represented by coordinates (0.0072y2−0.6701y+37.512, y, −0.0072y2−0.3299y+62.488);
the line segment NU is represented by coordinates (0.0083y2−1.7403y+56.635, y, −0.0083y2+0.7403y+43.365); and
the line segment UO is a straight line.
20. The refrigeration cycle according to claim 1 ,
wherein
the refrigerant comprises trans-1,2-difluoroethylene (HFO-1132(E)), difluoromethane (R32), and 2,3,3,3-tetrafluoro-1-propene (R1234yf),
wherein
when the mass % of HFO-1132(E), R32, and R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), R32, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments QR, RT, TL, LK, and KQ that connect the following 5 points:
point Q (44.6, 23.0, 32.4),
point R (25.5, 36.8, 37.7),
point T (8.6, 51.6, 39.8),
point L (28.9, 51.7, 19.4), and
point K (35.6, 36.8, 27.6),
or on these line segments;
the line segment QR is represented by coordinates (0.0099y2−1.975y+84.765, y, −0.0099y2+0.975y+15.235);
the line segment RT is represented by coordinates (0.0082y2−1.8683y+83.126, y, −0.0082y2+0.8683y+16.874);
the line segment LK is represented by coordinates (0.0049y2−0.8842y+61.488, y, −0.0049y2−0.1158y+38.512);
the line segment KQ is represented by coordinates (0.0095y2−1.2222y+67.676, y, −0.0095y2+0.2222y+32.324); and
the line segment TL is a straight line.
21. The refrigeration cycle according to claim 1 ,
wherein
the refrigerant comprises trans-1,2-difluoroethylene (HFO-1132(E)), difluoromethane (R32), and 2,3,3,3-tetrafluoro-1-propene (R1234yf),
wherein
when the mass % of HFO-1132(E), R32, and R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), R32, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments PS, ST, and TP that connect the following 3 points:
point P (20.5, 51.7, 27.8),
point S (21.9, 39.7, 38.4), and
point T (8.6, 51.6, 39.8),
or on these line segments;
the line segment PS is represented by coordinates (0.0064y2−0.7103y+40.1, y, −0.0064y2−0.2897y+59.9);
the line segment ST is represented by coordinates (0.0082y2−1.8683y+83.126, y, −0.0082y2+0.8683y+16.874); and
the line segment TP is a straight line.
22. The refrigeration cycle according to claim 1 ,
wherein
the refrigerant comprises trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), and difluoromethane (R32),
wherein
when the mass % of HFO-1132(E), HFO-1123, and R32 based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R32 is 100 mass % are within the range of a figure surrounded by line segments IK, KB′, B′H, HR, RG, and GI that connect the following 6 points:
point I (72.0, 28.0, 0.0),
point K (48.4, 33.2, 18.4),
point B′ (0.0, 81.6, 18.4),
point H (0.0, 84.2, 15.8),
point R (23.1, 67.4, 9.5), and
point G (38.5, 61.5, 0.0),
or on these line segments (excluding the points on the line segments B′H and GI);
the line segment IK is represented by coordinates (0.025z2−1.7429z+72.00, −0.025z2+0.7429z+28.0, z),
the line segment HR is represented by coordinates (−0.3123z2+4.234z+11.06, 0.3123z2−5.234z+88.94, z),
the line segment RG is represented by coordinates (−0.0491z2−1.1544z+38.5, 0.0491z2+0.1544z+61.5, z), and
the line segments KB′ and GI are straight lines.
23. The refrigeration cycle according to claim 1 ,
wherein
the refrigerant comprises trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), and difluoromethane (R32),
wherein
when the mass % of HFO-1132(E), HFO-1123, and R32 based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R32 is 100 mass % are within the range of a figure surrounded by line segments IJ, JR, RG, and GI that connect the following 4 points:
point I (72.0, 28.0, 0.0),
point J (57.7, 32.8, 9.5),
point R (23.1, 67.4, 9.5), and
point G (38.5, 61.5, 0.0),
or on these line segments (excluding the points on the line segment GI);
the line segment IJ is represented by coordinates (0.025z2−1.7429z+72.0, −0.025z2+0.7429z+28.0, z),
the line segment RG is represented by coordinates (−0.0491z2−1.1544z+38.5, 0.0491z2+0.1544z+61.5, z), and
the line segments JR and GI are straight lines.
24. The refrigeration cycle according to claim 1 ,
wherein
the refrigerant comprises trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), and difluoromethane (R32),
wherein
when the mass % of HFO-1132(E), HFO-1123, and R32 based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R32 is 100 mass % are within the range of a figure surrounded by line segments MP, PB′, B′H, HR, RG, and GM that connect the following 6 points:
point M (47.1, 52.9, 0.0),
point P (31.8, 49.8, 18.4),
point B′ (0.0, 81.6, 18.4),
point H (0.0, 84.2, 15.8),
point R (23.1, 67.4, 9.5), and
point G (38.5, 61.5, 0.0),
or on these line segments (excluding the points on the line segments B′H and GM);
the line segment MP is represented by coordinates (0.0083z2−0.984z+47.1, −0.0083z2−0.016z+52.9, z),
the line segment HR is represented by coordinates (−0.3123z2+4.234z+11.06, 0.3123z2−5.234z+88.94, z),
the line segment RG is represented by coordinates (−0.0491z2−1.1544z+38.5, 0.0491z2+0.1544z+61.5, z), and
the line segments PB′ and GM are straight lines.
25. The refrigeration cycle according to claim 1 ,
wherein
the refrigerant comprises trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), and difluoromethane (R32),
wherein
when the mass % of HFO-1132(E), HFO-1123, and R32 based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R32 is 100 mass % are within the range of a figure surrounded by line segments MN, NR, RG, and GM that connect the following 4 points:
point M (47.1, 52.9, 0.0),
point N (38.5, 52.1, 9.5),
point R (23.1, 67.4, 9.5), and
point G (38.5, 61.5, 0.0),
or on these line segments (excluding the points on the line segment GM);
the line segment MN is represented by coordinates (0.0083z2−0.984z+47.1, −0.0083z2−0.016z+52.9, z),
the line segment RG is represented by coordinates (−0.0491z2−1.1544z+38.5, 0.0491z2+0.1544z+61.5, z), and
the line segments JR and GI are straight lines.
26. The refrigeration cycle according to claim 1 ,
wherein
the refrigerant comprises trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), and difluoromethane (R32),
wherein
when the mass % of HFO-1132(E), HFO-1123, and R32 based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R32 is 100 mass % are within the range of a figure surrounded by line segments PS, ST, and TP that connect the following 3 points:
point P (31.8, 49.8, 18.4),
point S (25.4, 56.2, 18.4), and
point T (34.8, 51.0, 14.2),
or on these line segments;
the line segment ST is represented by coordinates (−0.0982z2+0.9622z+40.931, 0.0982z2−1.9622z+59.069, z),
the line segment TP is represented by coordinates (0.0083z2−0.984z+47.1, −0.0083z2−0.016z+52.9, z), and
the line segment PS is a straight line.
27. The refrigeration cycle according to claim 1 ,
wherein
the refrigerant comprises trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), and difluoromethane (R32),
wherein
when the mass % of HFO-1132(E), HFO-1123, and R32 based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R32 is 100 mass % are within the range of a figure surrounded by line segments QB″, B″D, DU, and UQ that connect the following 4 points:
point Q (28.6, 34.4, 37.0),
point B″ (0.0, 63.0, 37.0),
point D (0.0, 67.0, 33.0), and
point U (28.7, 41.2, 30.1),
or on these line segments (excluding the points on the line segment B″D);
the line segment DU is represented by coordinates (−3.4962z2+210.71z−3146.1, 3.4962z2−211.71z+3246.1, z),
the line segment UQ is represented by coordinates (0.0135z2−0.9181z+44.133, −0.0135z2−0.0819z+55.867, z), and
the line segments QB″ and B″D are straight lines.
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JPPCT/JP2018/037483 | 2018-10-05 | ||
PCT/JP2018/037483 WO2019123782A1 (en) | 2017-12-18 | 2018-10-05 | Composition comprising refrigerant, use thereof, refrigerating machine having same, and method for operating said refrigerating machine |
PCT/JP2018/038749 WO2019123807A1 (en) | 2017-12-18 | 2018-10-17 | Composition containing refrigerant, use of said composition, refrigerator having said composition, and method for operating said refrigerator |
PCT/JP2018/038748 WO2019123806A1 (en) | 2017-12-18 | 2018-10-17 | Composition containing refrigerant, use of said composition, refrigerator having said composition, and method for operating said refrigerator |
PCT/JP2018/038747 WO2019123805A1 (en) | 2017-12-18 | 2018-10-17 | Composition containing refrigerant, use of said composition, refrigerator having said composition, and method for operating said refrigerator |
JPPCT/JP2018/038748 | 2018-10-17 | ||
PCT/JP2018/038746 WO2019123804A1 (en) | 2017-12-18 | 2018-10-17 | Refrigerant-containing composition, use thereof, refrigerating machine having same, and method for operating said refrigerating machine |
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JPPCT/JP2018/038749 | 2018-10-17 | ||
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US16/954,745 Abandoned US20210095897A1 (en) | 2017-12-18 | 2018-12-17 | Heat source unit and refrigeration cycle apparatus |
US16/772,927 Abandoned US20210163804A1 (en) | 2017-12-18 | 2018-12-17 | Refrigeration cycle apparatus |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US12031758B2 (en) | 2020-04-20 | 2024-07-09 | Mitsubishi Electric Corporation | Relay unit and air-conditioning apparatus including the same |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10119738B2 (en) | 2014-09-26 | 2018-11-06 | Waterfurnace International Inc. | Air conditioning system with vapor injection compressor |
US11839062B2 (en) | 2016-08-02 | 2023-12-05 | Munters Corporation | Active/passive cooling system |
EP3730593A4 (en) | 2017-12-18 | 2021-10-27 | Daikin Industries, Ltd. | Refrigeration machine oil for refrigerant or refrigerant composition, method for using refrigeration machine oil, and use of refrigeration machine oil |
US11506425B2 (en) | 2017-12-18 | 2022-11-22 | Daikin Industries, Ltd. | Refrigeration cycle apparatus |
US11441802B2 (en) | 2017-12-18 | 2022-09-13 | Daikin Industries, Ltd. | Air conditioning apparatus |
US11493244B2 (en) | 2017-12-18 | 2022-11-08 | Daikin Industries, Ltd. | Air-conditioning unit |
US11549041B2 (en) | 2017-12-18 | 2023-01-10 | Daikin Industries, Ltd. | Composition containing refrigerant, use of said composition, refrigerator having said composition, and method for operating said refrigerator |
US11906207B2 (en) | 2017-12-18 | 2024-02-20 | Daikin Industries, Ltd. | Refrigeration apparatus |
US11441819B2 (en) | 2017-12-18 | 2022-09-13 | Daikin Industries, Ltd. | Refrigeration cycle apparatus |
US11365335B2 (en) | 2017-12-18 | 2022-06-21 | Daikin Industries, Ltd. | Composition comprising refrigerant, use thereof, refrigerating machine having same, and method for operating said refrigerating machine |
BR112020010634A2 (en) * | 2017-12-18 | 2020-11-10 | Daikin Industries, Ltd. | composition comprising refrigerant, use of the same, refrigeration machine having the same, and method for operating said refrigeration machine |
US11820933B2 (en) | 2017-12-18 | 2023-11-21 | Daikin Industries, Ltd. | Refrigeration cycle apparatus |
BR112020010501A2 (en) * | 2017-12-18 | 2020-11-10 | Daikin Industries, Ltd. | composition containing refrigerant, use for the same, refrigeration machine having the same and method for operating the refrigeration machine |
US20220389299A1 (en) * | 2017-12-18 | 2022-12-08 | Daikin Industries, Ltd. | Refrigeration cycle apparatus |
US11549695B2 (en) | 2017-12-18 | 2023-01-10 | Daikin Industries, Ltd. | Heat exchange unit |
US11435118B2 (en) | 2017-12-18 | 2022-09-06 | Daikin Industries, Ltd. | Heat source unit and refrigeration cycle apparatus |
KR20240007721A (en) * | 2018-06-25 | 2024-01-16 | 미쓰비시덴키 가부시키가이샤 | Rotor, electric motor, fan, and air conditioner |
US11592215B2 (en) | 2018-08-29 | 2023-02-28 | Waterfurnace International, Inc. | Integrated demand water heating using a capacity modulated heat pump with desuperheater |
US12031760B2 (en) * | 2019-06-17 | 2024-07-09 | Mitsubishi Electric Corporation | Freezing device |
WO2020256126A1 (en) * | 2019-06-19 | 2020-12-24 | ダイキン工業株式会社 | Refrigerant-containing composition, use of same, refrigerator having same, operation method for said refrigerator, and refrigeration cycle device equipped with same |
US20210003322A1 (en) * | 2019-07-02 | 2021-01-07 | Heatcraft Refrigeration Products Llc | Cooling System |
EP3879207B1 (en) * | 2020-03-10 | 2023-09-06 | Trane International Inc. | Refrigeration apparatuses and operating method thereof |
CN111555480B (en) * | 2020-05-26 | 2021-04-30 | 安徽美芝精密制造有限公司 | Motor, compressor and refrigeration plant |
DE102020115275A1 (en) * | 2020-06-09 | 2021-12-09 | Stiebel Eltron Gmbh & Co. Kg | Method for operating a compression refrigeration system and compression refrigeration system |
CN112290783A (en) * | 2020-08-31 | 2021-01-29 | 海信(山东)空调有限公司 | Air conditioner and IPM module bootstrap circuit pre-charging control method |
JP7108208B2 (en) * | 2020-10-09 | 2022-07-28 | ダイキン工業株式会社 | Compositions containing refrigerants and methods of stabilizing compositions containing refrigerants |
CN112396818B (en) * | 2020-11-12 | 2021-09-24 | 贵州电网有限责任公司 | Portable mobile detection terminal |
US11913672B2 (en) * | 2020-12-21 | 2024-02-27 | Goodman Global Group, Inc. | Heating, ventilation, and air-conditioning system with dehumidification |
JP7174278B2 (en) * | 2021-01-13 | 2022-11-17 | ダイキン工業株式会社 | Air conditioner and method for replacing functional parts |
US11754316B2 (en) * | 2021-04-26 | 2023-09-12 | Villara Corporation | Providing domestic hot water from conventional residential split system heat pumps |
CN113294884B (en) * | 2021-06-21 | 2022-04-19 | 宁波奥克斯电气股份有限公司 | Heating control method and device and air conditioner |
CN113432196B (en) * | 2021-06-21 | 2022-10-18 | 深圳市科信通信技术股份有限公司 | Air conditioning system |
US11984838B2 (en) * | 2021-07-16 | 2024-05-14 | Haier Us Appliance Solutions, Inc. | Direct current load identification system |
CN113864984B (en) * | 2021-10-19 | 2022-11-18 | 宁波奥克斯电气股份有限公司 | APF automatic debugging method and device for air conditioner, computer equipment and storage medium |
CN114061143B (en) * | 2021-11-18 | 2023-05-30 | 深圳职业技术学院 | Direct heating type multifunctional heat pump water heater |
WO2023164101A1 (en) * | 2022-02-25 | 2023-08-31 | The Chemours Company Fc, Llc | Compositions of hfo-1234yf, hfo-1132e, and hfc-152a and systems for using the compositions |
KR102548607B1 (en) * | 2022-10-13 | 2023-06-28 | 지에스칼텍스 주식회사 | Base oil comprising polyol ester and refrigerating machine oil composition comprising the same |
CN115888163B (en) * | 2022-11-22 | 2024-03-01 | 常州东立冷冻科技有限公司 | Assembled full liquid evaporation cold all-in-one |
CN117111533B (en) * | 2023-10-09 | 2024-05-14 | 佛山市芯耀环保科技有限公司 | Control circuit of ice machine, PCB and ice machine |
Family Cites Families (275)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5190115A (en) | 1975-02-05 | 1976-08-07 | ||
FR2314456A1 (en) * | 1975-06-09 | 1977-01-07 | Inst Francais Du Petrole | COLD PRODUCTION PROCESS |
JPS5213025A (en) | 1975-07-18 | 1977-02-01 | Nissan Motor Co Ltd | Torch ignition engine |
JPS57198968A (en) | 1981-05-29 | 1982-12-06 | Hitachi Ltd | Heat pump type refrigerator |
JPS5939790A (en) | 1982-08-27 | 1984-03-05 | Agency Of Ind Science & Technol | Production of single crystal |
JPS6269066A (en) | 1985-09-24 | 1987-03-30 | 株式会社東芝 | Refrigeration cycle device |
JPS6369066A (en) | 1986-09-09 | 1988-03-29 | Nec Corp | Data correcting system on unrewritable medium |
JPH024163A (en) | 1988-03-08 | 1990-01-09 | Mitsubishi Electric Corp | Cooling device for semiconductor element for power |
DE69125518T2 (en) | 1990-01-31 | 1997-11-13 | Tonen Corp | Esters as lubricants for haloalkane freezers |
JP2803451B2 (en) | 1991-07-12 | 1998-09-24 | 三菱電機株式会社 | Refrigerant compressor, refrigerator, refrigerating air conditioner, and method of assembling refrigerant compressor |
JPH05149605A (en) | 1991-11-30 | 1993-06-15 | Toshiba Corp | Air conditioner |
JPH05264070A (en) | 1992-03-17 | 1993-10-12 | Mitsubishi Electric Corp | Outdoor apparatus of air conditioner |
JP3021947B2 (en) | 1992-03-24 | 2000-03-15 | ダイキン工業株式会社 | Control method of variable capacity air conditioner |
JPH0719627A (en) * | 1993-06-30 | 1995-01-20 | Daikin Ind Ltd | Heat exchanger for non-azeotrope refrigerant |
JPH07190571A (en) * | 1993-12-24 | 1995-07-28 | Matsushita Electric Ind Co Ltd | Refrigerator using non-azeotropic mixture refrigerant |
CA2191108C (en) | 1994-05-23 | 1999-09-28 | Nicholas E. Schnur | Method for increasing the electrical resistivity of hindered polyol ester refrigerant lubricants |
JPH08200273A (en) | 1995-01-30 | 1996-08-06 | Sanyo Electric Co Ltd | Scroll compressor |
CN1083474C (en) * | 1995-10-24 | 2002-04-24 | 顾雏军 | Improved non-azeotropic operating medium using in thermal circulation |
JPH10309050A (en) | 1996-05-16 | 1998-11-17 | Matsushita Electric Ind Co Ltd | Compressor |
JPH1046170A (en) * | 1996-08-06 | 1998-02-17 | Kao Corp | Working fluid composition for refrigerator |
JP3104642B2 (en) | 1997-04-25 | 2000-10-30 | ダイキン工業株式会社 | Refrigeration equipment |
JPH10318564A (en) | 1997-05-20 | 1998-12-04 | Fujitsu General Ltd | Outdoor unit for air conditioner |
JP3936027B2 (en) * | 1997-06-23 | 2007-06-27 | 松下電器産業株式会社 | Air conditioner |
JPH11206001A (en) | 1998-01-07 | 1999-07-30 | Meidensha Corp | Protector for motor |
JPH11256358A (en) | 1998-03-09 | 1999-09-21 | Sanyo Electric Co Ltd | Corrosion resistance copper pipe for heat exchanger |
JP2000161805A (en) | 1998-11-27 | 2000-06-16 | Daikin Ind Ltd | Refrigerating apparatus |
JP2000220877A (en) | 1999-01-29 | 2000-08-08 | Daikin Ind Ltd | Ventilating air conditioner |
JP2000234767A (en) | 1999-02-10 | 2000-08-29 | Mitsubishi Electric Corp | Cooling device and cooling device of air-conditioner |
JP2000304302A (en) | 1999-04-19 | 2000-11-02 | Daikin Ind Ltd | Air conditioner |
CN1238442A (en) * | 1999-05-08 | 1999-12-15 | 三菱电机株式会社 | Compressor for closed-lorp refrigenation device and assembling method thereof |
US6667285B1 (en) | 1999-05-10 | 2003-12-23 | New Japan Chemical Co., Ltd. | Lubricating oil for refrigerator, hydraulic fluid composition for refrigerator and method for lubricating of refrigerator |
JP4312894B2 (en) | 1999-09-09 | 2009-08-12 | 東芝キヤリア株式会社 | Air conditioner indoor unit |
JP2001194016A (en) | 1999-10-18 | 2001-07-17 | Daikin Ind Ltd | Freezing apparatus |
JP3860942B2 (en) * | 1999-11-18 | 2006-12-20 | 株式会社ジャパンエナジー | Lubricating oil composition for refrigeration equipment, working fluid and refrigeration equipment |
KR100327551B1 (en) * | 1999-12-27 | 2002-03-15 | 황한규 | Airconditioner for vehicle with dual evaporator ASS'Y |
JP3763120B2 (en) | 2000-08-09 | 2006-04-05 | 三菱電機株式会社 | Air conditioner |
JP2002089978A (en) * | 2000-09-11 | 2002-03-27 | Daikin Ind Ltd | Paired refrigerating device and multiple refrigerating device |
JP3952769B2 (en) | 2001-02-19 | 2007-08-01 | 株式会社デンソー | Heat pump chiller |
JP2002257366A (en) | 2001-03-02 | 2002-09-11 | Sekisui Chem Co Ltd | Hot water supplying/heating system |
JP3518518B2 (en) * | 2001-03-05 | 2004-04-12 | 松下電器産業株式会社 | Banknote recognition device |
JP2002272043A (en) | 2001-03-05 | 2002-09-20 | Daikin Ind Ltd | Rotary compressor and air-conditioner provided with the compressor |
JP4410957B2 (en) * | 2001-03-26 | 2010-02-10 | 株式会社ラブアース・テクノロジー | Hybrid water heater and method |
ES2362171T3 (en) | 2001-03-30 | 2011-06-29 | Sanyo Electric Co., Ltd. | SYNCHRONOUS INDUCTION MOTOR, MANUFACTURING PROCEDURE AND DRIVE UNIT FOR THE SAME, AND HERMETIC ELECTRIC COMPRESSOR. |
JP2003018776A (en) | 2001-03-30 | 2003-01-17 | Sanyo Electric Co Ltd | Synchronous induction motor |
JP3885535B2 (en) | 2001-09-07 | 2007-02-21 | 株式会社デンソー | Water heater |
JP3690341B2 (en) | 2001-12-04 | 2005-08-31 | ダイキン工業株式会社 | Brushless DC motor driving method and apparatus |
TWI288519B (en) | 2002-03-27 | 2007-10-11 | Sanyo Electric Co | Synchronous induction motor |
JP2004028035A (en) | 2002-06-28 | 2004-01-29 | Fujitsu General Ltd | Enclosed compressor |
JP3925383B2 (en) * | 2002-10-11 | 2007-06-06 | ダイキン工業株式会社 | Hot water supply device, air conditioning hot water supply system, and hot water supply system |
JP2004215406A (en) | 2002-12-28 | 2004-07-29 | Daikin Ind Ltd | Motor driver for air conditioner |
JP2004251535A (en) | 2003-02-20 | 2004-09-09 | Aisin Seiki Co Ltd | Air conditioner |
JP2004361036A (en) | 2003-06-06 | 2004-12-24 | Daikin Ind Ltd | Air conditioning system |
JP2005061711A (en) | 2003-08-12 | 2005-03-10 | Osaka Gas Co Ltd | Exhaust heat recovering water heater |
JP2005241045A (en) | 2004-02-24 | 2005-09-08 | Sanyo Electric Co Ltd | Air conditioner |
JP4759226B2 (en) | 2004-03-31 | 2011-08-31 | 株式会社コベルコ マテリアル銅管 | Tube expansion tool and tube expansion method using the same |
US20070209373A1 (en) | 2004-04-15 | 2007-09-13 | Daikin Industries, Ltd. | Air Conditioner |
JP4222273B2 (en) * | 2004-08-03 | 2009-02-12 | パナソニック株式会社 | Heat pump water heater |
JP4555671B2 (en) | 2004-12-09 | 2010-10-06 | 東芝キヤリア株式会社 | Air conditioner |
JP2006211824A (en) | 2005-01-28 | 2006-08-10 | Mitsubishi Electric Corp | Compressor |
JP4591112B2 (en) | 2005-02-25 | 2010-12-01 | 株式会社日立製作所 | Permanent magnet rotating machine |
CN100575813C (en) | 2005-03-18 | 2009-12-30 | 开利商业冷藏公司 | Multi-part heat exchanger |
JP2006313027A (en) | 2005-05-06 | 2006-11-16 | Mitsubishi Electric Corp | Ventilation air conditioner |
JP2007084481A (en) * | 2005-09-22 | 2007-04-05 | Daikin Ind Ltd | Preparation method of pentafluoroethane |
JP3985834B2 (en) | 2005-11-07 | 2007-10-03 | ダイキン工業株式会社 | Electrical component assembly, outdoor unit of air conditioner including the same, and air conditioner |
CN1987264A (en) * | 2005-12-22 | 2007-06-27 | 乐金电子(天津)电器有限公司 | Air conditioner |
JP4893251B2 (en) | 2006-07-28 | 2012-03-07 | パナソニック株式会社 | Matrix converter and device equipped with the same |
JP2008039305A (en) * | 2006-08-07 | 2008-02-21 | Daikin Ind Ltd | Hot water circulation heating system performing heating by circulating hot water in building and water spraying device for evaporator |
RU2466979C2 (en) * | 2006-08-24 | 2012-11-20 | Е.И.Дюпон Де Немур Энд Компани | Method of separating fluorolefins from fluorohydrogen by azeotropic distillation |
JP4859694B2 (en) | 2007-02-02 | 2012-01-25 | 三菱重工業株式会社 | Multistage compressor |
US8672733B2 (en) | 2007-02-06 | 2014-03-18 | Nordyne Llc | Ventilation airflow rate control |
JP4840215B2 (en) | 2007-03-27 | 2011-12-21 | 株式会社日立製作所 | Permanent magnet type rotating electric machine and compressor using the same |
JP2008286422A (en) * | 2007-05-15 | 2008-11-27 | Panasonic Corp | Refrigerator |
JP2008295161A (en) * | 2007-05-23 | 2008-12-04 | Daikin Ind Ltd | Power conversion device |
JP2009063216A (en) * | 2007-09-06 | 2009-03-26 | Hitachi Appliances Inc | Heat exchanger and air conditioner using the same |
JP2009092274A (en) * | 2007-10-05 | 2009-04-30 | Hitachi Appliances Inc | Air conditioner |
JP5050763B2 (en) * | 2007-10-05 | 2012-10-17 | パナソニック株式会社 | Water heater |
JP5038105B2 (en) * | 2007-11-19 | 2012-10-03 | パナソニック株式会社 | Valve device and air conditioner having the same |
JP4738401B2 (en) | 2007-11-28 | 2011-08-03 | 三菱電機株式会社 | Air conditioner |
JP2009150620A (en) | 2007-12-21 | 2009-07-09 | Toshiba Carrier Corp | Dual heat pump type air conditioning system |
JP5130910B2 (en) * | 2007-12-28 | 2013-01-30 | ダイキン工業株式会社 | Air conditioner and refrigerant quantity determination method |
JP5079021B2 (en) | 2008-01-25 | 2012-11-21 | 三菱電機株式会社 | Induction motor and hermetic compressor |
RU2485086C2 (en) * | 2008-02-21 | 2013-06-20 | Е.И.Дюпон Де Немур Энд Компани | Azeotropic compositions containing 3,3,3-trifluoropropene and hydrogen fluoride and methods for separation thereof |
JP2009219268A (en) * | 2008-03-11 | 2009-09-24 | Daikin Ind Ltd | Power conversion apparatus |
JP5407157B2 (en) * | 2008-03-18 | 2014-02-05 | ダイキン工業株式会社 | Refrigeration equipment |
JP4931848B2 (en) * | 2008-03-31 | 2012-05-16 | 三菱電機株式会社 | Heat pump type outdoor unit for hot water supply |
JP4471023B2 (en) | 2008-06-12 | 2010-06-02 | ダイキン工業株式会社 | Air conditioner |
WO2010002014A1 (en) | 2008-07-01 | 2010-01-07 | Daikin Industries, Ltd. | REFRIGERANT COMPOSITION COMPRISING DIFLUOROMETHANE (HFC32), PENTAFLUOROETHANE (HFC125) AND 2,3,3,3-TETRAFLUOROPROPENE (HFO1234yf) |
JP4654423B2 (en) | 2008-07-22 | 2011-03-23 | 独立行政法人産業技術総合研究所 | Power converter |
JP5128424B2 (en) * | 2008-09-10 | 2013-01-23 | パナソニックヘルスケア株式会社 | Refrigeration equipment |
JP2010071530A (en) | 2008-09-17 | 2010-04-02 | Daikin Ind Ltd | Air conditioner |
US20100082162A1 (en) | 2008-09-29 | 2010-04-01 | Actron Air Pty Limited | Air conditioning system and method of control |
JP2010121927A (en) * | 2008-10-22 | 2010-06-03 | Panasonic Corp | Cooling cycle device |
JP2010103346A (en) | 2008-10-24 | 2010-05-06 | Daido Steel Co Ltd | Magnet for ipm type concentrated winding motor and method of manufacturing the same, and ipm type concentrated winding motor using the magnet |
JP2010119190A (en) | 2008-11-12 | 2010-05-27 | Toyota Motor Corp | Rotor for magnet-embedded motors and magnet-embedded motor |
US20100122545A1 (en) | 2008-11-19 | 2010-05-20 | E. I. Du Pont De Nemours And Company | Tetrafluoropropene compositions and uses thereof |
JP2010164222A (en) * | 2009-01-14 | 2010-07-29 | Panasonic Corp | Finned heat exchanger |
JP5136495B2 (en) | 2009-03-27 | 2013-02-06 | パナソニック株式会社 | Heat exchanger |
US8783050B2 (en) * | 2009-04-17 | 2014-07-22 | Daikin Industries, Ltd. | Heat source unit |
JP2011004449A (en) | 2009-06-16 | 2011-01-06 | Panasonic Corp | Matrix converter circuit |
US9250001B2 (en) | 2009-06-17 | 2016-02-02 | Emerson Electric Co. | Control of an expansion valve regulating refrigerant to an evaporator of a climate control system |
JP2011043304A (en) * | 2009-08-24 | 2011-03-03 | Hitachi Appliances Inc | Air conditioner |
JP5452138B2 (en) * | 2009-09-01 | 2014-03-26 | 三菱電機株式会社 | Refrigeration air conditioner |
CN101649189B (en) * | 2009-09-04 | 2012-05-23 | 西安交通大学 | Environmental mixed refrigerant with trifluoroiodomethane |
JP2011094841A (en) | 2009-10-28 | 2011-05-12 | Daikin Industries Ltd | Refrigerating device |
JP5542423B2 (en) * | 2009-12-22 | 2014-07-09 | 東芝産業機器システム株式会社 | Rotating electric machine rotor and rotating electric machine |
JP2011202738A (en) | 2010-03-25 | 2011-10-13 | Toshiba Carrier Corp | Air conditioner |
JP2011252636A (en) * | 2010-06-01 | 2011-12-15 | Panasonic Corp | Hot-water heating hot-water supply apparatus |
JP5388969B2 (en) | 2010-08-23 | 2014-01-15 | 三菱電機株式会社 | Heat exchanger and air conditioner equipped with this heat exchanger |
CN102401519B (en) * | 2010-09-16 | 2016-08-10 | 乐金电子(天津)电器有限公司 | The off-premises station of air-conditioner |
FR2964976B1 (en) * | 2010-09-20 | 2012-08-24 | Arkema France | COMPOSITION BASED ON 1,3,3,3-TETRAFLUOROPROPENE |
JP5595245B2 (en) * | 2010-11-26 | 2014-09-24 | 三菱電機株式会社 | Refrigeration equipment |
JP2012132637A (en) | 2010-12-22 | 2012-07-12 | Daikin Industries Ltd | Outdoor unit for air conditioner |
JP5716408B2 (en) | 2011-01-18 | 2015-05-13 | ダイキン工業株式会社 | Power converter |
JP5721480B2 (en) * | 2011-03-10 | 2015-05-20 | 三菱電機株式会社 | Refrigeration cycle equipment |
JP5821756B2 (en) * | 2011-04-21 | 2015-11-24 | 株式会社デンソー | Refrigeration cycle equipment |
BR112013029408A2 (en) | 2011-05-19 | 2017-01-31 | Asahi Glass Co Ltd | working medium and heat cycle system |
EP3854860A1 (en) * | 2011-05-19 | 2021-07-28 | Agc Inc. | Working medium and heat-cycle system |
WO2013084301A1 (en) * | 2011-12-06 | 2013-06-13 | 三菱電機株式会社 | Heat pump type heating/hot-water supply system |
JP6065429B2 (en) | 2011-12-08 | 2017-01-25 | パナソニック株式会社 | Air conditioner |
JP2013126281A (en) | 2011-12-14 | 2013-06-24 | Daikin Ind Ltd | Method for manufacturing field element, and end plate for field element |
JP5506770B2 (en) | 2011-12-16 | 2014-05-28 | 三菱電機株式会社 | Air conditioner |
JP5881435B2 (en) | 2012-01-27 | 2016-03-09 | 三菱電機株式会社 | Heat exchanger and air conditioner equipped with the same |
JP5867116B2 (en) | 2012-01-30 | 2016-02-24 | ダイキン工業株式会社 | Refrigeration unit outdoor unit |
JP6111520B2 (en) | 2012-02-22 | 2017-04-12 | ダイキン工業株式会社 | Power converter |
US9641032B2 (en) | 2012-03-23 | 2017-05-02 | Mitsubishi Heavy Industries Automotive Thermal Systems Co., Ltd. | Motor having magnets embedded in a rotor and electric compressor using same |
JP5536817B2 (en) | 2012-03-26 | 2014-07-02 | 日立アプライアンス株式会社 | Refrigeration cycle equipment |
JP2015111012A (en) * | 2012-03-26 | 2015-06-18 | 東芝キヤリア株式会社 | Refrigeration cycle device |
KR20130111186A (en) * | 2012-03-31 | 2013-10-10 | (주)코스모테크놀로지 | Hybrid heating apparatus and method thereof |
JPWO2013151043A1 (en) * | 2012-04-02 | 2015-12-17 | 東芝キヤリア株式会社 | Refrigeration cycle equipment |
JP5533926B2 (en) | 2012-04-16 | 2014-06-25 | ダイキン工業株式会社 | Air conditioner |
JP2015127593A (en) * | 2012-04-27 | 2015-07-09 | 東芝キヤリア株式会社 | Outdoor unit of air conditioner |
US20130283832A1 (en) * | 2012-04-30 | 2013-10-31 | Trane International Inc. | Refrigeration system with purge using enrivonmentally-suitable chiller refrigerant |
JP5500240B2 (en) * | 2012-05-23 | 2014-05-21 | ダイキン工業株式会社 | Refrigeration equipment |
JP5516712B2 (en) | 2012-05-28 | 2014-06-11 | ダイキン工業株式会社 | Refrigeration equipment |
JP5673612B2 (en) * | 2012-06-27 | 2015-02-18 | 三菱電機株式会社 | Refrigeration cycle equipment |
JP5805598B2 (en) * | 2012-09-12 | 2015-11-04 | 三菱電機株式会社 | Refrigeration cycle equipment |
WO2014045400A1 (en) | 2012-09-21 | 2014-03-27 | 三菱電機株式会社 | Refrigeration device and method for controlling same |
JP6044238B2 (en) | 2012-09-28 | 2016-12-14 | ダイキン工業株式会社 | Air conditioner |
WO2014068655A1 (en) | 2012-10-30 | 2014-05-08 | 三菱電機株式会社 | Electric motor with embedded permanent magnet, and refrigeration and air conditioning equipment equipped with same |
JP5516695B2 (en) | 2012-10-31 | 2014-06-11 | ダイキン工業株式会社 | Air conditioner |
CN103032996B (en) * | 2012-12-12 | 2015-03-11 | 宁波奥克斯电气有限公司 | Parallel compressor selection and configuration method for preventing compressor from being frequently started up and shut down |
JP5776746B2 (en) | 2013-01-29 | 2015-09-09 | ダイキン工業株式会社 | Air conditioner |
JP5964996B2 (en) * | 2013-01-31 | 2016-08-03 | ジョンソンコントロールズ ヒタチ エア コンディショニング テクノロジー(ホンコン)リミテッド | Refrigeration cycle equipment |
JP2014152999A (en) | 2013-02-08 | 2014-08-25 | Daikin Ind Ltd | Air conditioner |
WO2014128831A1 (en) * | 2013-02-19 | 2014-08-28 | 三菱電機株式会社 | Air conditioning device |
CN105102905B (en) | 2013-03-29 | 2017-05-10 | 松下健康医疗控股株式会社 | Dual refrigeration device |
JP6089912B2 (en) | 2013-04-17 | 2017-03-08 | 三菱電機株式会社 | Refrigerant compressor |
WO2014178353A1 (en) | 2013-04-30 | 2014-11-06 | 旭硝子株式会社 | Working medium for heat cycle |
EP2993213B1 (en) * | 2013-04-30 | 2020-07-15 | AGC Inc. | Composition containing trifluoroethylene |
CN103363705B (en) * | 2013-05-28 | 2015-05-13 | 广东美的制冷设备有限公司 | Refrigeration system, refrigeration equipment comprising refrigeration system and control method of refrigeration equipment |
WO2014203354A1 (en) * | 2013-06-19 | 2014-12-24 | 三菱電機株式会社 | Refrigeration cycle device |
WO2014203355A1 (en) | 2013-06-19 | 2014-12-24 | 三菱電機株式会社 | Refrigeration cycle device |
GB2530915C (en) * | 2013-06-19 | 2019-10-30 | Mitsubishi Electric Corp | Air-conditioning apparatus |
WO2014203356A1 (en) * | 2013-06-19 | 2014-12-24 | 三菱電機株式会社 | Refrigeration cycle device |
EP3470489B1 (en) * | 2013-07-12 | 2020-10-14 | AGC Inc. | Working fluid for heat cycle, a process for its preparation, composition for heat cycle system, and heat cycle system |
KR101525849B1 (en) * | 2013-07-16 | 2015-06-05 | 삼성전자 주식회사 | Compressor and air conditioning apparatus using the same |
JP2015023721A (en) * | 2013-07-22 | 2015-02-02 | ダイキン工業株式会社 | Rotor, motor and compressor |
WO2015015881A1 (en) * | 2013-07-29 | 2015-02-05 | 三菱電機株式会社 | Heat pump device |
GB2535383B (en) * | 2013-07-30 | 2016-10-19 | Mexichem Amanco Holding Sa | Heat transfer compositions |
JP6225548B2 (en) * | 2013-08-08 | 2017-11-08 | 株式会社富士通ゼネラル | Air conditioner |
JP2015055455A (en) * | 2013-09-13 | 2015-03-23 | 三菱電機株式会社 | Outdoor unit and air conditioner |
JP5963969B2 (en) * | 2013-09-27 | 2016-08-03 | パナソニックヘルスケアホールディングス株式会社 | Refrigeration equipment |
JP2015078789A (en) | 2013-10-16 | 2015-04-23 | 三菱電機株式会社 | Heat exchanger and air conditioning device including heat exchanger |
JP6118227B2 (en) * | 2013-10-22 | 2017-04-19 | 株式会社日立産機システム | Permanent magnet rotating electric machine and compressor using the same |
EP3070417A4 (en) | 2013-11-12 | 2017-09-27 | Mitsubishi Electric Corporation | Refrigeration system |
JP5661903B2 (en) | 2013-12-04 | 2015-01-28 | 三菱電機株式会社 | Compressor |
CN105794087B (en) | 2013-12-05 | 2019-01-08 | 三菱电机株式会社 | Permanent magnetic baried formula motor, compressor and refrigerating air conditioning device |
KR102135086B1 (en) * | 2013-12-10 | 2020-07-17 | 엘지전자 주식회사 | Motor driving device and air conditioner including the same |
JP2015114082A (en) | 2013-12-13 | 2015-06-22 | ダイキン工業株式会社 | Refrigerant pipeline connection body and manufacturing method thereof |
CN105939984B (en) * | 2014-01-30 | 2020-08-14 | Agc株式会社 | Method for producing trifluoroethylene |
EP3792330B1 (en) * | 2014-01-31 | 2024-04-24 | AGC Inc. | Working fluid for heat cycle, composition for heat cycle system, and heat cycle system |
JP6252211B2 (en) * | 2014-02-03 | 2017-12-27 | ダイキン工業株式会社 | Air conditioning system |
MY178665A (en) * | 2014-02-20 | 2020-10-20 | Asahi Glass Co Ltd | Composition for heat cycle system, and heat cycle system |
JP6354616B2 (en) * | 2014-02-20 | 2018-07-11 | 旭硝子株式会社 | Composition for thermal cycle system and thermal cycle system |
CN106062159B (en) | 2014-02-20 | 2019-04-16 | Agc株式会社 | Heat circulating system composition and heat circulating system |
JP6614128B2 (en) * | 2014-02-20 | 2019-12-04 | Agc株式会社 | Composition for thermal cycle system and thermal cycle system |
WO2015125874A1 (en) | 2014-02-20 | 2015-08-27 | 旭硝子株式会社 | Working medium for thermal cycle |
JP6375639B2 (en) | 2014-02-21 | 2018-08-22 | ダイキン工業株式会社 | Air conditioner |
JP6453849B2 (en) * | 2014-03-14 | 2019-01-16 | 三菱電機株式会社 | Refrigeration cycle equipment |
JP6293262B2 (en) * | 2014-03-14 | 2018-03-14 | 三菱電機株式会社 | Compressor and refrigeration cycle apparatus |
KR101935116B1 (en) * | 2014-03-17 | 2019-01-03 | 미쓰비시덴키 가부시키가이샤 | Refrigeration cycle apparatus |
WO2015140874A1 (en) * | 2014-03-17 | 2015-09-24 | 三菱電機株式会社 | Air conditioning device |
EP3128259A1 (en) | 2014-03-17 | 2017-02-08 | Mitsubishi Electric Corporation | Heat pump device |
JP6524995B2 (en) * | 2014-03-18 | 2019-06-05 | Agc株式会社 | Working medium for thermal cycling, composition for thermal cycling system and thermal cycling system |
JP6105511B2 (en) * | 2014-04-10 | 2017-03-29 | 三菱電機株式会社 | Heat pump equipment |
CN103940018A (en) * | 2014-05-06 | 2014-07-23 | 北京德能恒信科技有限公司 | Heat pipe air conditioner all-in-one machine with evaporative condenser |
JP5897062B2 (en) * | 2014-05-08 | 2016-03-30 | 三菱電機株式会社 | Compressor motor, compressor, refrigeration cycle apparatus, and compressor motor manufacturing method |
JP2015218912A (en) * | 2014-05-14 | 2015-12-07 | パナソニックIpマネジメント株式会社 | Air conditioner and load adjustment device used for the same |
JP2015218909A (en) * | 2014-05-14 | 2015-12-07 | パナソニックIpマネジメント株式会社 | Refrigeration cycle device and hot water generation device including the same |
WO2015186557A1 (en) * | 2014-06-06 | 2015-12-10 | 旭硝子株式会社 | Working medium for heat cycle, composition for heat cycle system, and heat cycle system |
EP3153561A4 (en) | 2014-06-06 | 2018-01-10 | Asahi Glass Company, Limited | Composition for heat cycle system and heat cycle system |
JP2015229767A (en) * | 2014-06-06 | 2015-12-21 | 旭硝子株式会社 | Actuation medium for heat cycle |
EP3153560A4 (en) * | 2014-06-06 | 2018-01-10 | Asahi Glass Company, Limited | Working medium for heat cycle, composition for heat cycle system, and heat cycle system |
WO2015186671A1 (en) | 2014-06-06 | 2015-12-10 | 旭硝子株式会社 | Composition for heat cycle system and heat cycle system |
JP2016011423A (en) * | 2014-06-06 | 2016-01-21 | 旭硝子株式会社 | Working medium for heat cycle, composition for heat cycle system and heat cycle system |
JP2016001062A (en) | 2014-06-11 | 2016-01-07 | パナソニックIpマネジメント株式会社 | Inverter control device |
JP6519909B2 (en) * | 2014-07-18 | 2019-05-29 | 出光興産株式会社 | Refrigerating machine oil composition and refrigerating apparatus |
JP2016033426A (en) * | 2014-07-31 | 2016-03-10 | 日立アプライアンス株式会社 | Air conditioner |
WO2016017460A1 (en) * | 2014-07-31 | 2016-02-04 | 三菱電機株式会社 | Refrigerant distributor, heat exchanger, and refrigeration cycle apparatus |
JP6504172B2 (en) * | 2014-08-12 | 2019-04-24 | Agc株式会社 | Thermal cycle system |
US10295236B2 (en) | 2014-08-13 | 2019-05-21 | Trane International Inc. | Compressor heating system |
JP6543450B2 (en) * | 2014-09-29 | 2019-07-10 | Phcホールディングス株式会社 | Refrigeration system |
AU2014408864B2 (en) | 2014-10-16 | 2018-01-18 | Mitsubishi Electric Corporation | Refrigeration cycle apparatus |
US9982904B2 (en) | 2014-11-07 | 2018-05-29 | Daikin Industries, Ltd. | Air conditioning system |
WO2016104418A1 (en) * | 2014-12-22 | 2016-06-30 | 三菱電機株式会社 | Rotor for rotary electrical machine |
JP6052380B2 (en) * | 2014-12-26 | 2016-12-27 | ダイキン工業株式会社 | Thermal storage air conditioner |
JP6028815B2 (en) | 2015-01-19 | 2016-11-24 | ダイキン工業株式会社 | Heat exchange unit of air conditioner |
WO2016129500A1 (en) * | 2015-02-09 | 2016-08-18 | 旭硝子株式会社 | Air conditioner working medium for electric car and air conditioner working medium composition for electric car |
MY182105A (en) * | 2015-02-19 | 2021-01-18 | Daikin Ind Ltd | Composition containing mixture of fluorinated hydrocarbons, and method for producing same |
CN106032955B (en) * | 2015-03-09 | 2020-06-16 | 大金工业株式会社 | Refrigerant recovery unit and outdoor unit connected to the same |
JP2016174461A (en) * | 2015-03-17 | 2016-09-29 | ダイキン工業株式会社 | Rotor |
JP6552851B2 (en) * | 2015-03-19 | 2019-07-31 | 三菱重工サーマルシステムズ株式会社 | Compressor driving motor and cooling method thereof |
CN204648544U (en) * | 2015-03-27 | 2015-09-16 | 中国建筑科学研究院 | Indoor environmental condition control unit and system and building system and passive type building |
JPWO2016157538A1 (en) * | 2015-04-03 | 2017-04-27 | 三菱電機株式会社 | Refrigeration cycle equipment |
WO2016182030A1 (en) | 2015-05-14 | 2016-11-17 | 旭硝子株式会社 | Fluid composition, refrigerant composition, and air conditioner |
WO2016190232A1 (en) * | 2015-05-22 | 2016-12-01 | ダイキン工業株式会社 | Fluid supplying device for temperature adjustment |
JP6582236B2 (en) | 2015-06-11 | 2019-10-02 | パナソニックIpマネジメント株式会社 | Refrigeration cycle equipment |
JP6604082B2 (en) * | 2015-08-07 | 2019-11-13 | ダイキン工業株式会社 | Refrigeration equipment |
US10630123B2 (en) | 2015-08-21 | 2020-04-21 | Mitsubishi Electric Corporation | Rotary electric machine and air conditioning apparatus |
JP2017046430A (en) | 2015-08-26 | 2017-03-02 | ジョンソンコントロールズ ヒタチ エア コンディショニング テクノロジー(ホンコン)リミテッド | Motor controller, fluid machinery, air conditioner, and program |
CN204943959U (en) * | 2015-09-01 | 2016-01-06 | 河北纳森空调有限公司 | Environmental protection refrigerant R410A low-temperature air energy heat pump water chiller-heater unit |
DE112016003983T5 (en) | 2015-09-01 | 2018-07-05 | Mitsubishi Electric Corporation | ROTOR, ROTATING ELECTRIC MACHINE, ELECTRICAL COMPRESSOR AND COOL / AIR CONDITIONING DEVICE |
JP2017053285A (en) | 2015-09-10 | 2017-03-16 | ジョンソンコントロールズ ヒタチ エア コンディショニング テクノロジー(ホンコン)リミテッド | Compressor |
JP6274277B2 (en) * | 2015-09-30 | 2018-02-07 | ダイキン工業株式会社 | Refrigeration equipment |
JP6733145B2 (en) | 2015-09-30 | 2020-07-29 | ダイキン工業株式会社 | Water heat exchanger housing unit |
CN205261858U (en) * | 2015-11-12 | 2016-05-25 | 珠海丽日帐篷有限公司 | Medium -and -large -sized integral covering or awning on a car, boat, etc. air conditioner for room |
CN108431414A (en) | 2015-12-28 | 2018-08-21 | 旭硝子株式会社 | Refrigerating circulatory device |
JP6169286B1 (en) | 2016-01-07 | 2017-07-26 | 三菱電機株式会社 | Permanent magnet embedded electric motor, compressor and refrigeration air conditioner |
JP6762719B2 (en) * | 2016-01-08 | 2020-09-30 | 株式会社デンソーエアクール | How to make a heat exchanger |
JPWO2017122517A1 (en) | 2016-01-12 | 2018-11-22 | Agc株式会社 | Refrigeration cycle apparatus and thermal cycle system |
EP3410041A4 (en) | 2016-01-29 | 2019-09-11 | Agc Inc. | Refrigeration cycle device |
JP2017145975A (en) * | 2016-02-15 | 2017-08-24 | 三菱電機株式会社 | Refrigeration cycle device, process of manufacture of refrigeration cycle device, drop-in method for refrigeration cycle device, and replace method for refrigeration cycle device |
WO2017145712A1 (en) | 2016-02-22 | 2017-08-31 | 旭硝子株式会社 | Compressor and heat cycle system |
WO2017145826A1 (en) * | 2016-02-24 | 2017-08-31 | 旭硝子株式会社 | Refrigeration cycle device |
US9976759B2 (en) | 2016-02-29 | 2018-05-22 | Johnson Controls Technology Company | Rain shield for a heat exchanger component |
JP2017192190A (en) * | 2016-04-12 | 2017-10-19 | 日立ジョンソンコントロールズ空調株式会社 | Permanent magnet motor, compressor and air conditioner using the same |
US11131490B2 (en) * | 2016-05-09 | 2021-09-28 | Mitsubishi Electric Corporation | Refrigeration device having condenser unit connected to compressor unit with on-site pipe interposed therebetween and remote from the compressor unit |
JP6723354B2 (en) | 2016-06-27 | 2020-07-15 | 三菱電機株式会社 | Refrigeration cycle equipment |
AU2017302766B2 (en) | 2016-07-28 | 2019-09-12 | Daikin Industries, Ltd. | Multi air conditioner |
JP6731865B2 (en) | 2017-02-06 | 2020-07-29 | 日立ジョンソンコントロールズ空調株式会社 | Air conditioner outdoor unit, air conditioner, and air conditioning management method |
WO2018203364A1 (en) | 2017-05-01 | 2018-11-08 | 三菱電機株式会社 | Rotor, electric motor, compressor, and air conditioning device |
JP6551571B2 (en) | 2017-07-24 | 2019-07-31 | ダイキン工業株式会社 | Refrigerant composition |
JP6873250B2 (en) | 2017-09-05 | 2021-05-19 | 三菱電機株式会社 | Consequent pole rotors, motors, compressors, blowers, and air conditioners |
EP3689591B1 (en) * | 2017-09-29 | 2023-01-25 | UBE Corporation | Layered tube |
WO2019108720A1 (en) * | 2017-11-30 | 2019-06-06 | The Lubrizol Corporation | Aromatic ester lubricant for use with low global warming potential refrigerants |
EP4246054A3 (en) | 2017-12-18 | 2023-12-06 | Daikin Industries, Ltd. | Composition containing refrigerant, use of said composition, refrigerator having said composition, and method for operating said refrigerator |
US20200333054A1 (en) | 2017-12-18 | 2020-10-22 | Daikin Industries, Ltd. | Compressor |
BR112020010501A2 (en) | 2017-12-18 | 2020-11-10 | Daikin Industries, Ltd. | composition containing refrigerant, use for the same, refrigeration machine having the same and method for operating the refrigeration machine |
US11506425B2 (en) | 2017-12-18 | 2022-11-22 | Daikin Industries, Ltd. | Refrigeration cycle apparatus |
US11549695B2 (en) | 2017-12-18 | 2023-01-10 | Daikin Industries, Ltd. | Heat exchange unit |
WO2019123805A1 (en) | 2017-12-18 | 2019-06-27 | ダイキン工業株式会社 | Composition containing refrigerant, use of said composition, refrigerator having said composition, and method for operating said refrigerator |
BR112020010634A2 (en) | 2017-12-18 | 2020-11-10 | Daikin Industries, Ltd. | composition comprising refrigerant, use of the same, refrigeration machine having the same, and method for operating said refrigeration machine |
US20200347283A1 (en) | 2017-12-18 | 2020-11-05 | Daikin Industries, Ltd. | Refrigerating oil for refrigerant or refrigerant composition, method for using refrigerating oil, and use of refrigerating oil |
US20200392388A1 (en) | 2017-12-18 | 2020-12-17 | Daikin Industries, Ltd. | Refrigerant-containing composition, use thereof and refrigerator comprising same, and method for operating said refrigerator |
US20200392387A1 (en) | 2017-12-18 | 2020-12-17 | Daikin Industries, Ltd. | Air conditioner |
US20200393178A1 (en) | 2017-12-18 | 2020-12-17 | Daikin Industries, Ltd. | Refrigeration cycle apparatus |
US11906207B2 (en) | 2017-12-18 | 2024-02-20 | Daikin Industries, Ltd. | Refrigeration apparatus |
US20200332164A1 (en) | 2017-12-18 | 2020-10-22 | Daikin Industries, Ltd. | Refrigeration cycle apparatus |
US20200325376A1 (en) | 2017-12-18 | 2020-10-15 | Daikin Industries, Ltd. | Refrigeration cycle apparatus |
EP3730593A4 (en) | 2017-12-18 | 2021-10-27 | Daikin Industries, Ltd. | Refrigeration machine oil for refrigerant or refrigerant composition, method for using refrigeration machine oil, and use of refrigeration machine oil |
US11820933B2 (en) | 2017-12-18 | 2023-11-21 | Daikin Industries, Ltd. | Refrigeration cycle apparatus |
US20200326103A1 (en) | 2017-12-18 | 2020-10-15 | Daikin Industries, Ltd. | Refrigeration cycle |
US20200326100A1 (en) | 2017-12-18 | 2020-10-15 | Daikin Industries, Ltd. | Warm-water generating apparatus |
US20200326110A1 (en) | 2017-12-18 | 2020-10-15 | Daikin Industries, Ltd. | Compressor |
US20200325375A1 (en) | 2017-12-18 | 2020-10-15 | Daikin Industries, Ltd. | Refrigeration cycle apparatus and method of determining refrigerant enclosure amount in refrigeration cycle apparatus |
US20200363106A1 (en) | 2017-12-18 | 2020-11-19 | Daikin Industries, Ltd. | Refrigeration cycle apparatus |
US11435118B2 (en) | 2017-12-18 | 2022-09-06 | Daikin Industries, Ltd. | Heat source unit and refrigeration cycle apparatus |
US11493244B2 (en) | 2017-12-18 | 2022-11-08 | Daikin Industries, Ltd. | Air-conditioning unit |
US11365335B2 (en) | 2017-12-18 | 2022-06-21 | Daikin Industries, Ltd. | Composition comprising refrigerant, use thereof, refrigerating machine having same, and method for operating said refrigerating machine |
US11441802B2 (en) | 2017-12-18 | 2022-09-13 | Daikin Industries, Ltd. | Air conditioning apparatus |
US20200363112A1 (en) | 2017-12-18 | 2020-11-19 | Daikin Industries, Ltd. | Air conditioner |
US11441819B2 (en) | 2017-12-18 | 2022-09-13 | Daikin Industries, Ltd. | Refrigeration cycle apparatus |
US10982863B2 (en) | 2018-04-10 | 2021-04-20 | Carrier Corporation | HVAC fan inlet |
CN115785910A (en) | 2018-10-01 | 2023-03-14 | Agc株式会社 | Composition for heat cycle system and heat cycle system |
EP3922922A4 (en) | 2019-02-05 | 2022-12-21 | Daikin Industries, Ltd. | Refrigerant-containing composition, and refrigerating method, refrigerating device operating method, and refrigerating device using said composition |
-
2018
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US12031758B2 (en) | 2020-04-20 | 2024-07-09 | Mitsubishi Electric Corporation | Relay unit and air-conditioning apparatus including the same |
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