CN111504517A - Heat exchange quantity testing method for water cooling equipment - Google Patents
Heat exchange quantity testing method for water cooling equipment Download PDFInfo
- Publication number
- CN111504517A CN111504517A CN202010329017.7A CN202010329017A CN111504517A CN 111504517 A CN111504517 A CN 111504517A CN 202010329017 A CN202010329017 A CN 202010329017A CN 111504517 A CN111504517 A CN 111504517A
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- heat
- water cooling
- cooling equipment
- thermometer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K17/00—Measuring quantity of heat
- G01K17/06—Measuring quantity of heat conveyed by flowing media, e.g. in heating systems e.g. the quantity of heat in a transporting medium, delivered to or consumed in an expenditure device
- G01K17/08—Measuring quantity of heat conveyed by flowing media, e.g. in heating systems e.g. the quantity of heat in a transporting medium, delivered to or consumed in an expenditure device based upon measurement of temperature difference or of a temperature
- G01K17/10—Measuring quantity of heat conveyed by flowing media, e.g. in heating systems e.g. the quantity of heat in a transporting medium, delivered to or consumed in an expenditure device based upon measurement of temperature difference or of a temperature between an inlet and an outlet point, combined with measurement of rate of flow of the medium if such, by integration during a certain time-interval
- G01K17/12—Indicating product of flow and temperature difference directly or temperature
Abstract
The invention discloses a method for testing the heat exchange capacity of water cooling equipment, which comprises a heat exchanger and a first thermometer, wherein the top of the right side of the heat exchanger is communicated with a water outlet pipe, the surface of the water outlet pipe is respectively communicated with a flow regulating valve, a second thermometer and a flowmeter, the right side of the water outlet pipe is communicated with a first self-sealing quick joint, the left side of the inner cavity of the heat exchanger is fixedly connected with an electric heater, and the inner cavity of the heat exchanger is a cooling medium channel. According to the measurement requirement of the heat exchange quantity of the water cooling equipment, the principle of energy conservation and heat balance state is utilized, the electric heater is adopted to heat a certain flow of cooling medium in the heat exchanger to increase the temperature of the cooling medium, the temperature is reduced after the cooling medium is forcibly radiated by the water cooling equipment, the heat balance state is achieved, the heating power in the state is equal to the heat exchange quantity of the water cooling equipment, and the test method can quickly detect and judge whether the design of the water cooling equipment meets the requirement specified by a design index.
Description
Technical Field
The invention relates to the technical field of heat exchange quantity testing of water cooling equipment, in particular to a heat exchange quantity testing method of water cooling equipment.
Background
The invention provides a simple and quick method for testing the heat exchange capacity of water cooling equipment under the condition that the air-conditioning break-difference laboratory is not provided or the heat exchange capacity of the water cooling equipment exceeds the measurement range of the experimental equipment, in order to solve the problem that the heat exchange capacity of the water cooling equipment is insufficient by the existing air-conditioning break-difference laboratory equipment, the heat exchange capacity test of the water cooling equipment is carried out in the air-conditioning break-difference laboratory, and the laboratory construction and the test equipment need large investment at present and is limited by the measurement range of the laboratory at present.
Disclosure of Invention
The invention aims to provide a method for testing the heat exchange capacity of water cooling equipment, which has the advantages of economical, simple and rapid detection of the water cooling equipment and solves the problem of high detection cost of the heat exchange capacity of the water cooling equipment caused by the limitation of the measurement range of a laboratory at present.
In order to achieve the purpose, the invention provides the following technical scheme: water-cooling equipment heat transfer volume test method, including heat exchanger and first thermometer, the top intercommunication on heat exchanger right side has the outlet pipe, the surface of outlet pipe communicates respectively has flow control valve, second thermometer and flowmeter, the right side intercommunication of outlet pipe has the first quick-operation joint of proclaiming oneself, the left side fixedly connected with electric heater of heat exchanger inner chamber, heat exchanger's inner chamber is the coolant passageway, heat exchanger's surface is provided with the heat preservation, the bottom intercommunication on heat exchanger right side has the inlet tube, quick-operation joint, third thermometer and filter are proclaimed oneself to one side difference fixedly connected with second of inlet tube, heat exchanger's below intercommunication has water-cooling equipment.
Preferably, the water inlet pipe and the water outlet pipe are connected with the heat exchanger through screws, and the electric heater is respectively connected with the ammeter and the contact voltage regulator through cables.
Preferably, the surface thermocouple of the heat exchanger is connected with a fourth thermometer, the outer surface thermocouple of the heat insulation layer is connected with a fifth thermometer, and the first thermometer thermocouple is exposed in the air.
Preferably, the water cooling device is communicated with the heat exchanger through a water inlet pipe and a water outlet pipe, and the water cooling device comprises a liquid supply pump, a fan and an air-cooled heat exchanger.
Preferably, the test method comprises the following steps:
A. the water cooling equipment is connected with the testing device through a connecting pipe, the water cooling equipment is started to enable cooling media in the water cooling equipment to circulate through the connecting pipe, a power supply of the detecting device is connected, and the flow meter and the second thermometer display the flow and the temperature of the circulating cooling media in real time;
B. adjusting the flow meter and the flow adjusting valve to enable the flow of the cooling medium to reach the flow required by the heat exchange quantity test of the water cooling equipment;
C. the testing device is electrified to work, the power of the electric heater is adjusted and converted through the contact voltage regulator, when the heating power is equal to the heat dissipation capacity of the water cooling equipment, the surface temperature of the heat exchanger is not changed, the surface temperature of the heat preservation layer of the radiator is not larger than the ambient temperature, and after the heat balance state is achieved, the heat dissipation capacity of the water cooling equipment is the heat absorbed by the cooling medium and the electric heater in unit time.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the measurement requirement of the heat exchange quantity of the water cooling equipment, the principle of energy conservation and heat balance state is utilized, the electric heater is adopted to heat a certain flow of cooling medium in the heat exchanger to increase the temperature of the cooling medium, the temperature is reduced after the cooling medium is forcibly radiated by the water cooling equipment, the heat balance state is achieved, the heating power in the state is equal to the heat exchange quantity of the water cooling equipment, the test method can quickly detect and judge whether the design of the water cooling equipment meets the requirement specified by a design index, a basis is provided for product inspection and acceptance, and the detection and judgment can be carried out on the water cooling equipment with heat radiation quantity in different ranges by selecting different electric heaters, heat exchangers and flow meters, so that the structure is simple.
2. The invention achieves the specified flow rate of the water cooling equipment by adjusting the flow meter and the flow regulating valve, changes the heating value of the electric heater by adjusting the electric conversion input voltage of the contact pressure regulator, the heat generated by the electric heater exchanges heat with the cooling medium in the heat exchanger to increase the temperature of the cooling medium, flows into the air-cooled heat exchanger of the water cooling equipment under the action of the liquid supply pump of the water cooling equipment through the connecting pipeline, forcibly exchanges heat with the outside atmosphere under the action of the fan, the temperature of the cooling medium flowing out of the air-cooled heat exchanger is reduced, flows back into the heat exchanger to exchange heat with the electric heater, the heat radiation quantity of the water cooling equipment is the heat quantity absorbed by the cooling medium and the electric heater in unit time after reaching the heat balance state under the specified flow rate of the cooling medium and the environment temperature, the method detects that the heat radiation quantity is, the surface temperature of the heat exchanger does not change within 30min, and the temperature of the outer surface of the heat-insulating layer of the heat exchanger is not higher than the ambient temperature.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
In the figure: 1. a heat exchanger; 2. a first thermometer; 3. a water outlet pipe; 4. a flow regulating valve; 5. a second thermometer; 6. a flow meter; 7. a first self-sealing quick coupling; 8. an electric heater; 9. a heat-insulating layer; 10. a water inlet pipe; 11. a second self-sealing quick joint; 12. a third thermometer; 13. a filter; 14. water cooling equipment; 15. an ammeter; 16. contacting the voltage regulator; 17. a fourth thermometer; 18. and a fifth thermometer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The components used in the present invention are all standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experiments.
Referring to fig. 1, the method for testing the heat exchange capacity of the water cooling equipment comprises a heat exchanger 1 and a first thermometer 2, wherein a surface thermocouple of the heat exchanger 1 is connected with a fourth thermometer 17, an outer surface thermocouple of a heat preservation layer 9 is connected with a fifth thermometer 18, the thermocouple of the first thermometer 2 is exposed in the air, the top of the right side of the heat exchanger 1 is communicated with a water outlet pipe 3, the surface of the water outlet pipe 3 is respectively communicated with a flow regulating valve 4, a second thermometer 5 and a flowmeter 6, the right side of the water outlet pipe 3 is communicated with a first self-sealing quick joint 7, the left side of the inner cavity of the heat exchanger 1 is fixedly connected with an electric heater 8, the inner cavity of the heat exchanger 1 is a cooling medium channel, the surface of the heat exchanger 1 is provided with the heat preservation layer 9, the bottom of the right side of the heat exchanger 1 is communicated with a water inlet pipe 10, one side of the water inlet pipe 10 is fixedly connected with a second self-sealing quick connector 11, a third thermometer 12 and a filter 13 respectively, the lower part of the heat exchanger 1 is communicated with a water cooling device 14, the water cooling device 14 is communicated with the heat exchanger 1 through the water inlet pipe 10 and the water outlet pipe 3, the water cooling device 14 comprises a liquid supply pump, a fan and an air-cooled heat exchanger 1, the flow rate specified by the water cooling device 14 is achieved through adjusting a flow meter 6 and a flow regulating valve 4, the input voltage is electrically converted through adjusting a contact voltage regulator 16, the calorific value of the electric heater 8 is changed, the heat generated by the electric heater 8 exchanges heat with cooling medium in the heat exchanger 1 to increase the temperature of the cooling medium, the cooling medium flows into the air-cooled heat exchanger 1 of the water cooling device 14 under the action of the liquid supply pump of the water cooling device 14 through a connecting pipeline, the, the heat flows back into the heat exchanger 1 to exchange heat with the electric heater 8, after reaching a heat balance state under the specified flow rate and the ambient temperature of the cooling medium, the heat dissipation capacity of the water cooling equipment 14 is the heat absorbed by the cooling medium and the electric heater 8 in unit time, the method is carried out under the specified ambient temperature condition, when reaching the heat balance state, the surface temperature of the heat exchanger 1 does not change within 30min, the temperature of the outer surface of the heat preservation layer 9 of the heat exchanger 1 is not more than the ambient temperature, according to the measurement requirement of the heat transfer capacity of the water cooling equipment 14, the principle of energy conservation and the heat balance state is utilized, the electric heater 8 heats the cooling medium with certain flow rate in the heat exchanger 1 to increase the temperature, the temperature is reduced after the forced heat dissipation through the water cooling equipment 14 to reach the heat balance state, the heating power under the state is equal to the heat transfer capacity of the water cooling equipment 14, the test method, the device provides basis for product inspection and acceptance, can detect and judge the water cooling equipment 14 with heat dissipating capacity in different ranges by selecting different electric heaters 8, heat exchangers 1 and flowmeters 6, and has simple structure and low cost.
The test method comprises the following steps:
A. the water cooling equipment 14 is connected with the testing device through a connecting pipe, the water cooling equipment 14 is started to enable cooling media in the water cooling equipment 14 to circulate through the connecting pipe, the power supply of the testing device is connected, and the flow meter 6 and the second thermometer 5 display the flow and the temperature of the circulating cooling media in real time;
B. the flow meter 6 and the flow regulating valve 4 are regulated to enable the flow of the cooling medium to reach the flow required by the heat exchange quantity test of the water cooling equipment 14;
C. the testing device is electrified to work, the power of the electric heater 8 is adjusted through the contact pressure regulator 16, when the heating power is equal to the heat dissipation capacity of the water cooling equipment 14, the surface temperature of the heat exchanger 1 is not changed, the surface temperature of the heat preservation layer 9 of the heat radiator is not larger than the ambient temperature, and after the heat balance state is achieved, the heat dissipation capacity of the water cooling equipment 14 is the heat absorbed by the cooling medium and the electric heater 8 in unit time.
When the heat exchanger is used, a cooling medium in the heat exchanger 1 is heated by the electric heater 8, flows into the water cooling equipment 14 to forcibly exchange heat with outside air, the third thermometer 12 on the water inlet pipe 10 measures the return liquid temperature t1, the filter 13 filters the cooling medium to eliminate the influence of impurities in the cooling medium on a measured value, the cooling medium is heated by the electric heater 8, the flow regulating valve 4 is regulated to enable the flow value of the flowmeter 6 to reach the flow Q to be tested, and the second thermometer 5 measures the liquid supply temperature t 2;
the contact voltage regulator 16 is regulated to regulate the voltage U value of the electric heater 8, the value indicated by the ammeter 15 is the working current I of the electric heater 8, and after the operation is stable, the second thermometer 5, the fourth thermometer 17, the fifth thermometer 18 and the third thermometer 12 are not changed any more, and the value indicated by the fifth thermometer 18 is not greater than the value indicated by the first thermometer 2;
and the heat exchange quantity P of the water cooling equipment 14 is cmt2-t1, wherein c is the specific heat capacity of the cooling medium, and m is the flow rate in unit time.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The method for testing the heat exchange capacity of the water cooling equipment comprises a heat exchanger (1) and a first thermometer (2), and is characterized in that: the utility model discloses a heat exchanger, including heat exchanger (1), heat exchanger, water-cooling equipment (14), heat exchanger (1) and heat exchanger (10), the top intercommunication on heat exchanger (1) right side has outlet pipe (3), the surface of outlet pipe (3) communicates respectively has flow control valve (4), second thermometer (5) and flowmeter (6), the right side intercommunication of outlet pipe (3) has first self-sealing quick-operation joint (7), the left side fixedly connected with electric heater (8) of heat exchanger (1) inner chamber, the inner chamber of heat exchanger (1) is the coolant passageway, the surface of heat exchanger (1) is provided with heat preservation (9), the bottom intercommunication on heat exchanger (1) right side has inlet tube (10), one side difference fixedly connected with second of inlet tube (10) proclaims oneself quick-operation joint (11), third thermometer (12) and filter (.
2. The method for testing the heat exchange capacity of the water cooling equipment according to claim 1, characterized by comprising the following steps: the water inlet pipe (10) and the water outlet pipe (3) are connected with the heat exchanger (1) through screws, and the electric heater (8) is connected with an ammeter (15) and a contact voltage regulator (16) through cables respectively.
3. The method for testing the heat exchange capacity of the water cooling equipment according to claim 1, characterized by comprising the following steps: the surface thermocouple of the heat exchanger (1) is connected with a fourth thermometer (17), the outer surface thermocouple of the heat preservation layer (9) is connected with a fifth thermometer (18), and the thermocouple of the first thermometer (2) is exposed in the air.
4. The method for testing the heat exchange capacity of the water cooling equipment according to claim 1, characterized by comprising the following steps: the water cooling device (14) is communicated with the heat exchanger (1) through the water inlet pipe (10) and the water outlet pipe (3), and the water cooling device (14) comprises a liquid supply pump, a fan and the air-cooled heat exchanger (1).
5. The method for testing the heat exchange capacity of the water cooling equipment as recited in claims 1 to 4, characterized in that: the test method comprises the following steps:
A. the water cooling equipment (14) is connected with the testing device through a connecting pipe, the water cooling equipment (14) is started to enable cooling media in the water cooling equipment (14) to circulate through the connecting pipe, a power supply of the testing device is connected, and the flow meter (6) and the second thermometer (5) display the flow and the temperature of the circulating cooling media in real time;
B. the flow meter (6) and the flow regulating valve (4) are regulated to enable the flow of the cooling medium to reach the flow required by the heat exchange quantity test of the water cooling equipment (14);
C. the testing device is electrified to work, the power of the electric heater (8) is adjusted and converted through the contact voltage regulator (16), when the heating power is equal to the heat dissipation capacity of the water cooling equipment (14), the surface temperature of the heat exchanger (1) is not changed, the surface temperature of the heat insulation layer (9) of the heat radiator is not larger than the ambient temperature, and after the heat balance state is achieved, the heat dissipation capacity of the water cooling equipment (14) is the heat absorbed by the cooling medium and the electric heater (8) in unit time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010329017.7A CN111504517A (en) | 2020-04-23 | 2020-04-23 | Heat exchange quantity testing method for water cooling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010329017.7A CN111504517A (en) | 2020-04-23 | 2020-04-23 | Heat exchange quantity testing method for water cooling equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111504517A true CN111504517A (en) | 2020-08-07 |
Family
ID=71869771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010329017.7A Pending CN111504517A (en) | 2020-04-23 | 2020-04-23 | Heat exchange quantity testing method for water cooling equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111504517A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113873849A (en) * | 2021-10-12 | 2021-12-31 | 西北工业大学 | Self-adaptive adjustment semi-immersed liquid cooling heat dissipation cavity, circulation system and application |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5697738A (en) * | 1980-01-07 | 1981-08-06 | Hitachi Ltd | Air conditioner |
| US4928751A (en) * | 1988-05-25 | 1990-05-29 | The Eldon Corporation | Computer controlled waste heat reclaimer |
| CN101299000A (en) * | 2008-07-03 | 2008-11-05 | 重庆大学 | Heat exchange tester of ground source heat pump underground heat exchanger |
| CN105548260A (en) * | 2016-01-12 | 2016-05-04 | 上海理工大学 | Warm air core testing device |
| CN105928639A (en) * | 2016-04-27 | 2016-09-07 | 深圳市博恩实业有限公司 | Server, communication cabinet or air conditioner heat-dissipation billing system |
| CN206573302U (en) * | 2016-09-29 | 2017-10-20 | 青岛科技大学 | A kind of testing stand of computer water-cooling radiator heat exchange property test |
| CN108915958A (en) * | 2018-06-13 | 2018-11-30 | 四川川润液压润滑设备有限公司 | Wind-power electricity generation water-cooling system performance test platform and its test method |
-
2020
- 2020-04-23 CN CN202010329017.7A patent/CN111504517A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5697738A (en) * | 1980-01-07 | 1981-08-06 | Hitachi Ltd | Air conditioner |
| US4928751A (en) * | 1988-05-25 | 1990-05-29 | The Eldon Corporation | Computer controlled waste heat reclaimer |
| CN101299000A (en) * | 2008-07-03 | 2008-11-05 | 重庆大学 | Heat exchange tester of ground source heat pump underground heat exchanger |
| CN105548260A (en) * | 2016-01-12 | 2016-05-04 | 上海理工大学 | Warm air core testing device |
| CN105928639A (en) * | 2016-04-27 | 2016-09-07 | 深圳市博恩实业有限公司 | Server, communication cabinet or air conditioner heat-dissipation billing system |
| CN206573302U (en) * | 2016-09-29 | 2017-10-20 | 青岛科技大学 | A kind of testing stand of computer water-cooling radiator heat exchange property test |
| CN108915958A (en) * | 2018-06-13 | 2018-11-30 | 四川川润液压润滑设备有限公司 | Wind-power electricity generation water-cooling system performance test platform and its test method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113873849A (en) * | 2021-10-12 | 2021-12-31 | 西北工业大学 | Self-adaptive adjustment semi-immersed liquid cooling heat dissipation cavity, circulation system and application |
| CN113873849B (en) * | 2021-10-12 | 2022-10-11 | 西北工业大学 | Self-adaptive adjustment semi-immersed liquid cooling heat dissipation cavity, circulation system and application |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104966536A (en) | High-temperature working medium heat exchange test system using heat conducting oil as hot fluid and test method | |
| CN109738223A (en) | Fuel cell heat management testboard bay and fuel cell heat management monitoring system | |
| CN107389299B (en) | Assess the device and method of flow transition point in miniature scale pipeline | |
| CN202793994U (en) | Cooling liquid multifunctional simulated use evaluation device for high-power diesel engine | |
| CN109030557B (en) | Device and method for testing heat transfer performance of temperature control plate of power battery of electric automobile | |
| CN107632042B (en) | Single-phase heat exchange experiment test platform and test method for shell-and-tube heat exchanger | |
| CN109781782A (en) | A kind of desktop type self-water-supplying heat exchanger performance test device | |
| CN205333553U (en) | Capability test device of heat pipe exchanger spare | |
| CN107085010A (en) | A kind of refrigerant radiator test device and method | |
| CN111504517A (en) | Heat exchange quantity testing method for water cooling equipment | |
| CN110346158A (en) | The quantitative measurement method of shell-and-tube heat exchanger efficiency | |
| CN201307046Y (en) | Pipeline differential pressure detecting device of water cooling system | |
| CN107678462A (en) | Constant speed groove and constant speed groove constant speed cooling system and constant speed groove constant speed cool-down method | |
| CN105301046B (en) | Exchanger heat device for detecting performance | |
| CN209311114U (en) | Fuel cell heat management testboard bay and fuel cell heat management monitoring system | |
| CN206583619U (en) | A kind of heater test platform | |
| CN207317239U (en) | Electric heat accumulation hot-water supply system | |
| CN206725241U (en) | A kind of large-scale water-hydrothermal exchange equipment test device | |
| TWI718985B (en) | Multi-stage heat pump performance test system | |
| CN209355497U (en) | Fluid management system | |
| CN115597302A (en) | Constant-temperature circulation waterway system and constant-temperature circulation water tank | |
| CN208702621U (en) | One kind being used for wind-driven generator cooler comprehensive performance test device | |
| CN103091119B (en) | A kind of liquid cavitation firing equipment heat outputting Efficiency test method and device | |
| CN207367079U (en) | Constant speed groove and constant speed groove constant speed cooling system | |
| CN113514491A (en) | Bionic topology microchannel heat exchanger and fluid heat exchange experimental system thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200807 |