WO2018048432A1 - Simulation et analyse de conception d'une pompe à chaleur géothermique - Google Patents

Simulation et analyse de conception d'une pompe à chaleur géothermique Download PDF

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Publication number
WO2018048432A1
WO2018048432A1 PCT/US2016/051184 US2016051184W WO2018048432A1 WO 2018048432 A1 WO2018048432 A1 WO 2018048432A1 US 2016051184 W US2016051184 W US 2016051184W WO 2018048432 A1 WO2018048432 A1 WO 2018048432A1
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Prior art keywords
data
building
heat pump
ground
design
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Application number
PCT/US2016/051184
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English (en)
Inventor
Dennis J. KOOP
Original Assignee
Koop Dennis J
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Koop Dennis J filed Critical Koop Dennis J
Priority to PCT/US2016/051184 priority Critical patent/WO2018048432A1/fr
Priority to CA3034210A priority patent/CA3034210A1/fr
Publication of WO2018048432A1 publication Critical patent/WO2018048432A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00—Computer-aided design [CAD]
    • G06F30/20—Design optimisation, verification or simulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
    • F24T2201/00—Prediction; Simulation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2111/00—Details relating to CAD techniques
    • G06F2111/10—Numerical modelling
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y02A30/272—Solar heating or cooling
    • 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
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/20—Solar thermal
    • 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
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/40—Geothermal heat-pumps
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/10—Geothermal energy

Definitions

  • GHP geothermal heat pump or ground source heat pump
  • the traditional heat and cooling equipment delivered from the manufacture uses air for cooling and heating operations.
  • GHP systems can use the earth as a heat source in cold winter climates or as a heat sink in warm summer climates. This design takes advantage of the moderate temperatures in the ground to boost efficiency and reduce the operational costs of heating and cooling systems, and may be combined with HVAC systems and energy conservation systems.
  • GHPs employ a heat exchanger in contact with the ground or groundwater to extract or dissipate heat. This component accounts for anywhere from a fifth to half of the total system cost, and would be the most cumbersome part to repair or replace.
  • the heat exchanger unit is in fluid communication with a loop of tubing buried in the ground, commonly referred to as a ground loop. A variety of ground loop configurations can be used
  • ground loop provides a closed circuit for the circulating heat exchange fluid
  • two known configurations are commonly employed, namely horizontal closed-loop and vertical closed- loop configurations.
  • horizontal closed-loop configuration the ground loop is typically laid horizontally, or in a directionally drilled borehole, in a shallow trench dug into the ground adjacent to a building structure that is to be serviced by the geothermal heat pump system.
  • vertical closed-loop configuration the ground loop is typically placed in a 100 foot to 400 foot deep borehole formed in the ground adjacent to the building structure to be serviced by the GHP system.
  • the heat exchanger unit must specifically be designed for the specific location and application. Correctly sizing the heat exchanger and loop configuration and design is necessary to assure long-term performance and energy efficiency of the whole system.
  • geothermal heat pump equipment is know to be very energy efficient, sales in the United State have been limited to generally about 1 .5% of the heating and cooling industry.
  • One of the main causes for limited sales is the lack of knowledgeable people in the industry that know how to accurately design the in-ground heat exchanger required.
  • Designing geothermal heat pump equipment for residential, commercial, and institutional buildings can be very complex especially for models that have a very high level of detail. GHP designers can easily be overwhelmed with the amount of information and variables for designing such GHP systems without the help of computer based design analysis and simulations.
  • an in-ground GHP design program (referred to hereinafter as "GHP application” or “GHP program”) is provided for designing, analyzing, and simulating a model of a detailed building energy analysis, using an in-ground geothermal heat pump system.
  • the GHP design program can reliably and efficiently predict the fluctuations of the GHP equipment performance in small increments. This enables the determination of energy consumption and demand information on a specific and unique hourly schedule basis. More specifically, the small increment method here can be used to eliminate overly broad approximations by evaluating GHP performance that is specific to building dynamics, constants, and variables for all of the building individual zones and the building's hourly operating schedule.
  • the small increment method of the disclosure described herein can be used for hybrid GHP systems, such as in combination with cooling towers. More specifically, in scenarios where cooling loads are very dominant, supplemental heat rejecters such as cooling towers can be used. Further, various operating strategies and conditions can be utilized in hybrid systems with the GHP design program of the disclosure described herein. For example, in order to reduce heat buildup in the ground, the GHP system can be simulated, modeled, and programmed to run during the winter, or consider running at night during the summer.
  • a method of simulating a ground geothermal heat pump design can include receiving location data, wherein the location data further includes climate data, receiving an operating schedule data for a building, receiving heating or cooling load condition data for the building, and calculating and determining the building's ground geothermal heat pump design borehole requirement, heat pump requirement, and a loop field configuration based on the location data, heating or cooling load condition data, and operating schedule data.
  • the method can further include calculating and determining the building's electric operating cost based on the location data, heating or cooling load conditions data, and operating schedule data.
  • the building operating schedule data is comprised of operating hours for the building in a given year.
  • climate condition data can include temperature data for each hour of the year based on the location data or for a specified location.
  • the method can further include receiving borehole data, wherein the borehole data can include one or more of: undisturbed earth temperature data, ground conductivity, ground diffusivity, grout conductivity, borehole diameter, pipe material, pipe diameter, and pipe configuration in the borehole.
  • the method can further include receiving zone data for one or more zones within the building.
  • the zone data can include one or more of: heat pump data, internal heat gain data, and maximum heating or cooling thermal loads.
  • the heat pump data can include one or more of: heat pump type, heat pump model, heat pump series, heat pump power, and heat pump capacity.
  • the method can further include receiving an inlet water temperature data for the heat pump.
  • the method can also include determining a hybrid design, wherein the hybrid design integrates with the ground geothermal heat pump design one or more of: a cooling tower, fluid cooler, chiller, boiler, furnace, hot water heater, and a secondary ground loop.
  • the method can further include receiving heat pump model data and retrieving manufacturer performance data based on the heat pump model data, and standardizing performance data based on one or more of: the operating schedule data, an entering water temperature data, flow rate data, capacity data, power data, air temperature data, and air flow data.
  • the standardizing can be based on one or more iterations of the performance data.
  • the method can also include determining the capacity of the heat pump based on the standardized heat pump performance data, and also simulating or modeling a benchmark comparison of another geothermal heat pump system having different heat pump data.
  • the method can also include receiving internal heat gain data for the building, wherein the heat gain data can include heat generated from one or more of: lighting, persons, occupancy, appliances, electronics, heat dissipating devices, windows, and building type.
  • a method of simulating a ground geothermal design can include receiving location data, wherein the location data further comprises temperature data, receiving an operating schedule data for a building, associating or mapping the operating schedule data with the temperature data, receiving earth condition data, receiving maximum heating or cooling load condition data for the building, receiving internal heat gain data for the building, receiving a first heat pump data, wherein the first heat pump data includes inlet water temperature, receiving a second heat pump data, wherein the second heat pump data includes manufacturer heat pump
  • the method further includes determining a third heat pump data, wherein the third heat pump data is at least partially based on iterating the first heat pump data with respect to the second heat pump data, wherein the third heat pump data includes calculated heat pump capacity and power.
  • the method further includes calculating and modeling borehole length, total building load, and ground loop configuration for the ground geothermal design based on the location data, temperature data, operating schedule data, earth condition data, heating or cooling load condition data, heat gain data, and heat pump data.
  • a computer program product embodied on a non-transitory computer readable medium for simulating an in-ground geothermal heat pump design
  • the computer program is implemented by one or more processors executing processor instructions
  • the computer program product including a first computer code for receiving location data, wherein the location data further comprises climate data, a second computer code for receiving an operating schedule data for a building, a third computer code for receiving heating or cooling load condition data for the building, and a fourth computer code for calculating and determining the building's ground geothermal heat pump design borehole requirement, heat pump requirement, and a loop field configuration based on the location data, heating or cooling load condition data, and operating schedule data.
  • a method of simulating a ground geothermal heat pump design can include receiving a geographical location, receiving temperature data based on the the geographical location, wherein the temperature data comprises a plurality of ambient temperature values for each of the 8760 hours in a year, receiving a building type, and receiving an operating schedule for the building type, wherein the operating schedule is comprised of operating hours for the building type for one or more days in a week.
  • the method can further include receiving one or more zones for the building type, receiving one or more internal heat conditions for each of the one or more zones, receiving a block heating or cooling load condition for each of the one or more zones.
  • the method can include determining a plurality of zone load conditions for each of the one or more zones from the block heating or cooling load condition, wherein the plurality of zone load conditions are determined for each of the ambient temperature values based on the operating hours in the operating schedule, applying the internal heat conditions to the plurality of zone load conditions, and determining a capacity type operation for a geothermal heat pump for each of the one or more zones based on the plurality of zone load conditions and the applied internal heat conditions for each of the ambient temperature values based on the operating hours in the operating schedule.
  • the capacity type operation for the geothermal heat pump can be further comprised of at least one of a single, dual, or variable capacity heat pump.
  • the method can include determining an amount of heat transfer into or out of the ground, a temperature ground effect, the building's ground geothermal borehole requirement and a ground loop field configuration.
  • a method of simulating a ground geothermal heat pump system can include receiving a geographical location, receiving temperature data based on the geographical location, wherein the temperature data comprises a plurality of ambient temperature values for each of the 8760 hours in a year, receiving a building type; receiving an operating schedule for the building type, wherein the operating schedule is comprised of operating hours for the building type for one or more days in a week.
  • the method can also include receiving one or more zones for the building type, receiving a geothermal heat pump system type for the one or more zones, receiving an amount to be directed to a supplemental cooling or heating component, receiving one or more internal heat conditions for each of the one or more zones, and receiving a block heating or cooling load condition for each of the one or more zones.
  • the method can include determining a plurality of zone load conditions for each of the one or more zones from the block heating or cooling load condition, wherein the plurality of zone load conditions are determined for each of the ambient temperature values based on the operating hours in the operating schedule, and applying the internal heat conditions to the plurality of zone load conditions.
  • the method can include determining an event wherein the plurality of zone load conditions for each of the ambient temperature values based on the operating hours in the operating schedule are at least partially split between the geothermal heat pump system and the supplemental cooling or heating component, wherein the event is further based on the received amount to be directed to the supplemental cooling or heating component, and determining a first operation capacity for the geothermal heat pump system and a second operation capacity for the supplemental heating or cooling component.
  • the method can further include wherein the event is comprised of a calculated or predefined entering water temperature to the geothermal heat pump system.
  • the event can be comprised of a calculated or pre-defined amount of heat transfer to the geothermal heat pump system.
  • the first operation capacity for the geothermal heat pump system comprises at least one of: a borehole length, number of boreholes, pipe length, or heat pump power capacity.
  • the second operation capacity for the supplemental heating or cooling equipment can comprise at least one of: one or more of hours of operation for the cooling or heating units, or power capacity for the cooling or heating units.
  • the method can also include determining a borehole requirement, wherein the borehole requirement is comprised of the number of boreholes and length per borehole.
  • the method can include
  • the supplemental heating or cooling component is comprised of one or more of: a cooling tower, fluid cooler, chiller, boiler, furnace, hot water heater, and secondary ground loop.
  • a method of simulating a hybrid ground geothermal heat pump system can include receiving a geographical location, receiving temperature data based on the geographical location, wherein the temperature data comprises a plurality of ambient temperature values for each of the 8760 hours in a year, receiving a building type, receiving an operating schedule for the building type, wherein the operating schedule is comprised of operating hours for the building type for one or more days in a week, and receiving one or more zones for the building type.
  • the method can further include receiving a geothermal heat pump system type for the one or more zones, receiving an amount to be directed to a cooling or heating component comprised of at least of one of: a cooling tower, fluid cooler, chiller, boiler, furnace, hot water heater, or secondary ground loop.
  • the method can also include receiving one or more internal heat conditions for each of the one or more zones, receiving a block heating or cooling load condition for each of the one or more zones, determining a plurality of zone load conditions for each of the one or more zones from the block heating or cooling load condition, wherein the plurality of zone load conditions are determined for each of the ambient temperature values based on the operating hours in the operating schedule.
  • the method can include applying the internal heat conditions to the plurality of zone load conditions, and determining a condition wherein the plurality of zone load conditions for each of the ambient temperature values based on the operating hours in the operating schedule are at least partially split between the geothermal heat pump system and the cooling or heating component, wherein the condition is further based on the received amount to be directed to the supplemental cooling or heating component. Also, the method can include determining a first operation capacity for the geothermal heat pump system and a second operation capacity for the heating or cooling component.
  • the method can further include wherein the condition can be comprised of a calculated or pre-defined entering water temperature to the geothermal heat pump system.
  • the condition can be comprised of a calculated or pre-defined amount of heat transfer to the geothermal heat pump system.
  • the first operation capacity for the geothermal heat pump system comprises at least one of: a borehole length, number of boreholes, pipe length, or heat pump power capacity.
  • the second operation capacity for the supplemental heating or cooling equipment comprises at least one of: one or more of hours of operation for the cooling or heating units, or power capacity for the cooling or heating units.
  • the method can further include determining a borehole requirement, wherein the borehole requirement is comprised of the number of boreholes and length per borehole.
  • the method can include automatically adjusting the borehole requirement based on the amount to be directed to a supplemental cooling or heating component.
  • a method of simulating a ground geothermal heat pump design can include receiving a first array having a plurality of temperature data values each assigned to plurality of keys, receiving a second array having a plurality of heat pump data values each assigned to a plurality of keys, determining the last key in the first array having the highest temperature data value; receiving a first temperature input variable, defining a first variable to be the first temperature input variable, and determining if the first variable or the first temperature input variable is greater than or equal to the last key from the first array.
  • the method can further include re-defining the first variable, wherein the re-defined first variable is the number one subtracted from the last key from the first array, subtracting the re-defined first variable from the last key in the first array and determining if the result is greater than or equal to zero, assigning a second variable with a key to a value from the second array having the same key, assigning a third variable with a key to a value from first array having the same key, assigning a fourth variable to a last value from the second array, and assigning a fifth variable to the last key from the first array.
  • the method can further include interpolating or extrapolating the received first temperature input variable, the assigned second variable, the assigned third variable, the assigned fourth variable, and the assigned fifth variable to calculate a sixth variable.
  • the method can also include executing a loop operation, wherein the loop operation is comprised of re-assigning the last key from the first array with the highest temperature value that resulted in subtracting the re-defined first variable from the re-assigned last key not being greater than or equal to zero.
  • the loop operation can further comprise assigning a last value from the second array with the highest heat pump value that resulted in subtracting the re-defined first variable from the re-assigned last key not being greater than or equal to zero.
  • the plurality of temperature data values in the first array are comprised of entering water temperatures.
  • the plurality of heat pump data values in the second array are comprised of heat pump capacity.
  • the plurality of heat pump data values in the second array are comprised of heat pump power.
  • a method of simulating a ground geothermal heat pump design can include receiving a first array having a plurality of temperature data values each assigned to plurality of keys, receiving a second array having a plurality of heat pump data values each assigned to a plurality of keys, determining the last key in the first array having the highest temperature data value, and receiving a first temperature input variable.
  • the method can further include defining a first variable to be the first temperature input variable, determining if the first variable or the first temperature input variable is greater than or equal to the last key from the first array, determining if the first temperature input variable is less than or equal to the value assigned to the starting key in the first array, and subtracting the first variable from the last key in the first array and determining if the result is greater than or equal to zero.
  • the method can further include assigning a second variable with a key to a value from the second array having the same key, assigning a third variable with a key to a value from first array having the same key, assigning a fourth variable to a value from the second array, assigning a fifth variable to a value from the first array, and interpolating or extrapolating the received first temperature input variable, the assigned second variable, the assigned third variable, the assigned fourth variable, and the assigned fifth variable to calculate a sixth variable.
  • the method can further include executing a loop operation, wherein the loop operation is comprised of re-assigning the last key from the first array with the highest temperature value that resulted in subtracting the first variable from the re-assigned last key not being greater than or equal to zero.
  • the loop operation can further comprise assigning a last value from the second array with the highest heat pump value that resulted in subtracting the first variable from the re-assigned last key not being greater than or equal to zero.
  • the plurality of temperature data values in the first array are comprised of entering water temperatures
  • the plurality of heat pump data values in the second array can be comprised of heat pump capacity.
  • the plurality of heat pump data values in the second array can be comprised of heat pump power.
  • a method of simulating a ground geothermal heat pump design can include receiving a first array having a plurality of temperature data values each assigned to plurality of keys, receiving a second array having a plurality of heat pump data values each assigned to a plurality of keys, determining the last key in the first array having the highest temperature data value, receiving a first temperature input variable, defining a first variable to be the first temperature input variable, determining if the first variable or the first temperature input variable is greater than or equal to the last key from the first array, determining if the first temperature input variable is less than or equal to the value assigned to the starting in the first array, and re-defining the first variable, wherein the re-defined first variable is the number one added to the starting key from the first array.
  • the method can further include wherein the loop operation can further comprise assigning a last value from the second array with the highest heat pump data value that resulted in subtracting the re-defined first variable from the re-assigned last key not being greater than or equal to zero.
  • the plurality of temperature data values in the first array are comprised of entering water temperatures
  • the plurality of heat pump data values in the second array are comprised of heat pump capacity.
  • the the plurality of heat pump data values in the second array can be comprised of heat pump power.
  • FIG. 1 A illustrates one non-limiting embodiment of a general network architecture system for the GHP application.
  • FIG. 1 illustrates one non-limiting embodiment of a flow chart diagram illustrating a process for simulating and modeling within the GHP application.
  • FIG. 2 illustrates a more detailed flow chart diagram of the embodiment of FIG. 1 , further illustrating the transmitting to and/or reading of received data from various databases and to and from building zone module 2160.
  • FIG. 3 illustrates a more detailed flow chart diagram of FIG. 1 , further illustrating the process for processing and calculating borehole resistance at step 2152.
  • FIG. 4 illustrates a more detailed flow chart diagram of FIG. 1 , further illustrating the process for processing and calculating ground resistance at step 2154.
  • FIG. 5 illustrates a more detailed flow chart diagram of FIG. 1 , further illustrating the process for inputting the building cooling and heating loads for each zone at step 2180.
  • FIG. 5A illustrates a more detailed flow chart diagram of FIG. 5, further illustrating one non-limiting embodiment for processing, standardizing, and correcting individual zone heat pump performance data for a GHP design.
  • FIG. 5B further illustrates the embodiments of FIG. 5 and 5A flow chart for processing individual zone heat pump performance for maximum building zone thermal loads and standardizing the flow rate.
  • FIG. 6 illustrates a more detailed flow chart diagram of FIG. 1 , further illustrating the process for calculating heat pump capacity and demand data at step 2178.
  • FIG. 6A illustrates one non-limiting embodiment of a flow chart for processing, standardizing, and correcting individual zone heat pump performance data in each step for the building zone thermal loads, further based on FIG. 6.
  • FIG. 7 illustrates a more detailed flow chart diagram of FIG. 1 , further illustrating the process for calculating the zone monthly operating rate and process the building hourly operating schedule.
  • FIG. 8 illustrates a flow chart diagram continuation of FIG. 7, further illustrating the process for calculating the zone operation cost and BTUs transferred to and from the ground.
  • FIG. 9 illustrates one non-limiting embodiment and example scenario for calculated and simulated cooling operating costs for one zone, incorporating the operating hours scheduled within each discreet temperature increment for the building in a given year.
  • FIG. 9A illustrates one non-limiting embodiment and example scenario for calculated and simulated heating operating costs for one zone, incorporating the operating hours scheduled within each discreet temperature increment for the building in a given year.
  • FIG. 10 illustrates one non-limiting embodiment and example scenario for calculated and simulated cooling operating costs for one zone for a GHP benchmark having no hybrid design, incorporating the hourly operating schedule within each discreet temperature increment for the building in a given year.
  • FIG. 1 1 illustrates one non-limiting embodiment and example scenario of a chart for calculated and simulated cooling operating costs for one zone for GHP design having a 20% hybrid design, incorporating the number of hours spent within each discreet temperature increment for the building in a given year.
  • FIG. 12 further illustrates a flow chart diagram of the process for calculating the total building's monthly operating rate and process the building's hourly operating schedule for each iteration step.
  • FIG. 13 illustrates one non-limiting embodiment and example scenario for calculated and simulated cooling total building energy requirements (BTUs) for a GHP design having no hybrid design, incorporating the hourly operating schedule within each discreet temperature increment for the building in a given month and in a given year.
  • BTUs cooling total building energy requirements
  • FIGS. 14 and 15 illustrate one non-limiting embodiment of detailed flow charts for processing and calculating the GHP design simulation and modeling.
  • FIG. 16 illustrates one non-limiting embodiment of a detailed flow chart for processing and calculating a GHP benchmark simulation and modeling.
  • FIG. 1 7 illustrates a detailed flow chart for one non-limiting embodiment for processing and calculating EER and COP data and one non-limiting embodiment for calculating and modeling a GHP hybrid design.
  • FIG. 18 illustrates one non-limiting embodiment for a user interface device display screen 12 of detailed simulation and model for a GHP design for both cooling and heating having no hybrid design and including GHP benchmark data.
  • FIG. 19 illustrates one non-limiting embodiment for a user interface device display screen 12a and user device screen 14a of detailed simulation and model for a GHP design for both cooling and heating and having a GHP hybrid design.
  • FIG. 20 illustrates one non-limiting embodiment of a flow chart for a process of extracting array elements and processing universal interpolation and extrapolation data.
  • FIG. 20A illustrates one example scenario flow chart and non-limiting embodiment for the interpolation, iteration, or extrapolation method of FIG. 20.
  • FIG. 20B illustrates another example scenario flowchart and non-limiting embodiment for the interpolation, iteration, or extrapolation method of FIG. 20.
  • FIG. 20C illustrates another example scenario flowchart and non-limiting embodiment for the interpolation, iteration, or extrapolation method of FIG. 20.
  • FIG. 21 illustrates one non-limiting embodiment of a user interface device display screen 1 , another non-limiting embodiment of user interface device display screen 1 a, and one non-limiting embodiment of sample data within a Table 1 .
  • FIG. 22 illustrates one non-limiting embodiment of a user interface device display screen 2, one non-limiting embodiment of a user interface device display screen 3, and one non-limiting embodiment of sample data within a Table 2.
  • FIG. 23 illustrates one embodiment of non-limiting sample data within Table 3, and one embodiment of non-limiting sample data within a Table 4.
  • FIG. 24 illustrates one non-limiting embodiment of a user interface device display screen 4, and one non-limiting embodiment of sample data within a Table 5.
  • FIG. 25 illustrates one non-limiting embodiment of a user interface device display screen 5, and one non-limiting embodiment of sample data within a Table 6.
  • FIG. 26 illustrates one embodiment of non-limiting sample data within a Table 7, one embodiment of non-limiting sample data within a Table 8, and one non-limiting embodiment of sample data within a Table 9.
  • FIG. 27 illustrates one non-limiting embodiment of a user interface device display screen 6, and one non-limiting embodiment of sample data within a Table 10.
  • FIG. 28 illustrates one non-limiting embodiment of a user interface device display screen 7, and one non-limiting embodiment of sample data within a Table 1 1 .
  • FIG. 29 illustrates one non-limiting embodiment of a user interface device display screen 8, and one non-limiting embodiment of a user interface display screen 9.
  • FIG. 30 illustrates one non-limiting embodiment of a user interface device display screen 10, one non-limiting embodiment of sample data within a Table 12, and one non- limiting embodiment of sample data within a Table 13.
  • FIG. 31 illustrates one non-limiting embodiment of sample data within a Table 14, and one non-limiting embodiment of sample data within a Table 15.
  • FIG. 32 illustrates one non-limiting embodiment of sample data within a Table 16, and one non-limiting embodiment of sample data within a Table 17.
  • FIG. 33 illustrates one non-limiting embodiment of a user interface device display screen 1 1 , and one non-limiting embodiment of sample data within a Table 18.
  • FIG. 34 illustrates one non-limiting embodiment of sample data within a Table 19.
  • FIG. 35 illustrates one non-limiting embodiment of the user interface device display screen 12 without populated data.
  • FIG. 36 illustrates one non-limiting embodiment of the user interface device display screen 12a without populated data.
  • FIG. 37 illustrates one non-limiting embodiment of a user interface device display screen 13, and one non-limiting embodiment of sample data within a Table 20.
  • FIG. 38 illustrates one non-limiting embodiment of a user interface device display screen 14, and one non-limiting embodiment of sample data within a Table 21 .
  • Video displays may include devices upon which information may be displayed in a manner perceptible to a user, such as, for example, a computer monitor, cathode ray tube, liquid crystal display, light emitting diode display, touchpad or touch-screen display, and/or other means known in the art for emitting a visually perceptible output.
  • Video displays may be electronically connected to a mobile device according to hardware and software known in the art.
  • a display page may include information residing in the mobile device's memory, which may be transmitted from the mobile device over a network to a central center and vice versa.
  • the information may be stored in memory at each of the mobile device, a data storage resided at the edge of the network, or on the servers at the central center.
  • a server, computing device, or mobile device may receive non-transitory computer readable media, which may contain instructions, logic, data, or code that may be stored in persistent or temporary memory of the mobile device, or may somehow affect or initiate action by a mobile device.
  • one or more servers may communicate with one or more mobile devices across a network, and may transmit computer files residing in memory.
  • the network for example, can include the Internet, wireless communication network, or any other network for connecting one or more mobile devices to one or more servers.
  • Any discussion of a server, computing, or mobile device may also apply to any type of networked device, including but not limited to phones such as cellular phones (e.g., an iPhone®, Android®, Blackberry®, or any 'smart phone'), a personal computer, iPad®, server computer, or laptop computer; personal digital assistants (PDAs) such as a Palm-based device or Windows® CE device; a roaming device, such as a network-connected roaming device; a wireless device such as a wireless email device or other device capable of communicating wireless with a computer network; or any other type of network device that may communicate over a network and handle electronic transactions. Any discussion of any mobile device mentioned may also apply to other devices for operating, processing, using, or executing the GHP application.
  • phones such as cellular phones (e.g., an iPhone®, Android®, Blackberry®, or any 'smart phone'), a personal computer, iPad®, server computer, or laptop computer; personal digital assistants (PDAs) such as a Palm-based
  • the display page may be interpreted by software residing on a memory of the device, causing the computer file to be displayed on a video display in a manner perceivable by a user.
  • the display pages described herein may be created using a software language known in the art such as, for example, the hypertext mark up language (“HTML”), the dynamic hypertext mark up language (“DHTML”), the extensible hypertext mark up language (“XHTML”), the extensible mark up language (“XML”), Java, C/C#/C++, or another software language that may be used to create a computer file displayable on a video display in a manner perceivable by a user.
  • HTML hypertext mark up language
  • DHTML dynamic hypertext mark up language
  • XHTML extensible hypertext mark up language
  • XML extensible mark up language
  • Java C/C#/C++
  • Any computer readable media with logic, code, data, instructions, may be used to implement any software or process flow or steps or methodology.
  • a display page may comprise a webpage of a type known in the art.
  • the computing device can operate with or work in conjunction with any content management software (CMS) or customer relations software (CRM) which can include but not limited to WordPress, any Java based software, Microsoft ASP.NET software, Perl based software, PHP based software, Python based software, Ruby on Rails based software, ColdFusion Markup Language (CFML), or other Software as a Service (SaaS) based software.
  • CMS content management software
  • CRM customer relations software
  • CFML ColdFusion Markup Language
  • a display page may include embedded functions comprising software programs stored on a memory, for example, Cocoa, VBScript routines, JScript routines, JavaScript routines, Java applets, ActiveX components, ASP.NET, AJAX, PHP, Flash applets, Silverlight applets, or AIR routines.
  • a display page may comprise well-known features of graphical user interface technology, for example, frames, windows, tabs, scroll bars, buttons, icons, menus, fields, and hyperlinks, and well-known features such as a touchscreen interface. Pointing to and touching on a graphical user interface button, link, icon, menu option, or hyperlink also is known as "selecting" the button, link, icon, option, or hyperlink.
  • a "point and gesture” interface may be utilized, such as a hand-gesture driven interface. Any other interface for interacting with a graphical user interface may be utilized, such as haptic feedback interfaces.
  • a display page according to the disclosure described herein also may incorporate multimedia features.
  • phrases and terms similar to "software”, “application”, and “firmware” may include any non-transitory computer readable medium storing thereon a program or algorithm, which when executed by a computer, causes the computer to perform a method, process, or function.
  • phrases and terms similar "network” may include one or more data links that enable the transport of electronic data between computer systems and/or modules.
  • a network or another communications connection either hardwired, wireless, or a combination of hardwired or wireless
  • computer-readable media can also comprise a network or data links which can be used to carry or store desired program code means in the form of computer-executable instructions or data structures and which can be accessed by a general purpose or special purpose computer.
  • phrases and terms similar to "portal" may include an intranet page, internet page, locally residing software or application, or digital presentation for a user of the present disclosure described herein.
  • the portal may also be any graphical user interface for accessing various modules, features, options, and/or attributes of the present disclosure described herein.
  • the portal can be a web page accessed with a web browser, mobile device application, or any application or software residing on a computing device.
  • FIG. 1 A illustrates an overview diagram of one non-limiting embodiment of the in- ground GHP design program (referred to hereinafter as "GHP application” or “GHP program”) of the disclosure described herein for designing, analyzing, modeling, and simulating an in- ground GHP system, including a ground loop design and simulation.
  • the GHP application system can include one or more central servers 100 or computing devices in bi-directional communication with one or more administrator 1 10, data source 120, user terminal 130, user terminal 140, and user terminal 150.
  • central server 100 can have the GHP application residing thereon, wherein any users of users 130-150 can access and interact with from their computing device via a network, using one or more portals (such as a web browser).
  • terminals 130-150 can have various access levels, privileges, and
  • GHP application functionalities within the GHP application, and can also share data among each other or with server 100. It is contemplated within the scope of the disclosure described herein that there may be any number of terminals or clients having various access privileges and functionalities within GHP application network. Administrator 1 10 can have various access functionalities to the GHP application residing on server 100, for example, modifying various parameters and settings of the GHP application and adding/deleting/editing users of the GHP application. Server 100 can further communicate with one or more data sources, such as data source 120, for either download/uploading third party data from one or more servers. For example, this data can include but is not limited to: geographic data, climate data, weather data,
  • FIG. 1 illustrates a general overview of a flowchart for one embodiment of the GHP application.
  • a user can visit a portal for the GHP application and be prompted to login or register with the GHP application network. If the user is not yet a registered user, then they can create a user profile having a username and password. Once registered, the user can enter their username and password for authentication with the GHP application. If authentication is successful at step 2020, then the process can proceed to step 2040.
  • the user can select one or more geographical or location data for a building design site.
  • the location data can be retrieved from anywhere in the world, or any map data available on Google® or online mapping or geographical service and the data can be retrieved from, read from, saved to, or written to database 2042.
  • geographical or location data can include weather data, temperature data, temperature profile data, climate data, environmental data, soil data, borehole data, ground condition, earth related data, and statistical data, among others. It is contemplated within the scope of the disclosure described herein that the GHP application can retrieve this from a database which can be residing locally on a server or retrieve this data from third party source either in realtime or previously downloaded at another time. Once geographical data from step 2040 has been received, then the process can proceed to step 2060. At step 2060, the user can be prompted to either manually input or select one or more types of buildings that the user will be designing.
  • these can include commercial, residential, house, office, retail, school, warehouse, high-rise, mid-rise, condominium, single family home, townhome, building capacity, building dimensions, building size, among others.
  • the user also has the option to go back to step 2040 to make any changes. Once a building type data is received, then the process can then proceed to step 2080.
  • the user can be prompted to manually input or select operating schedule data for the building, which can be retrieved from, read from, written to, or saved to database 2082.
  • the operating schedule data can include but is not limited to operating months/days/hours/minutes, open business months/days/hours/minutes, closed
  • the schedule data can be provided in database of the GHP application or retrieved via network from one or more remote sources.
  • the process can then proceed to step 2100.
  • the user also has the option to go back to step 2080.
  • the user can manually input or select design temperature and flow rate data (GPM/ton) for the building design which can be retrieved from, read from, saved to, or written to database 2102.
  • the design temperature and/or flow rate data can be automatically pre-populated by the GHP application based on the prior received location and climate data.
  • the building design temperature and flow rate data can include but is not limited to: design entering water and air temperatures for heating and cooling, thermostat inside of building for heating and cooling, flow rate (GPM/ton),
  • step 2120 the process can proceed to step 2120. At anytime, the user also has the option to go back to step 2100.
  • the process can automatically detect or ask the user if this is the first time they are inputting the design parameters of step 2100. If this is the first time, then the process can proceed to step 2120, if not, then the process can automatically direct the user to step 216. Alternatively, the user can manually move to step 2160 or proceed to step 2120.
  • the user can select or manually input borehole and grout data for the building design, including but not limited to: borehole diameter, HDPE pipe diameter, HDPE resin, SDR ratio, ground conductivity, and configurations for u-tube piping in the boreholes, among others. Once the borehole and grout data is received by the GHP application, then the process can then proceed to step 2140.
  • the user can manually input or select ground conditions, such as ground thermal resistance data.
  • the ground conditions can include but is not limited to: ground conductivity, ground diffusivity, thermal resistance, undisturbed earth temperature, ground density, ground moisture, long term ground effect forecast years, distance between boreholes, and loopfield grid layout, among others.
  • the process can process all prior inputted/selected and received data in combination with the borehole resistance data at step 2152 and ground resistance data at step 2154 and direct the user to the building zone module at step 2160, wherein the user can select or input data for individual zones 2180. Alternatively, the user may manually select to go to building zone module step 2160.
  • step 2160 the user can be presented with a building zone module hub, page, or portal, wherein one or more of the aforementioned user selected data and/or calculated and computer data can also be presented to the user for review, selection, or input.
  • the building zone module 2160 allows the user to enter, select, and input a variety of attributes related to a zone within the building.
  • zones can be a floor, room, open space, closed space, or any area in or around the building.
  • the building zone module data can include, but is not limited to: individual zone display loads, type of zone area (i.e. general office, conference, utility room, etc.), square footage of the zone, heat pump type/number, zone capacity, and electric operating costs, among others.
  • the user may input or select the internal heat gain data or accept the estimated heat gain data generated by the GHP application.
  • Heat gain data can include but is not limited to: heat gain parameters such heat generated from light, people, number and type of appliances, electronics, and heat dissipating devices in use, percentage of area comprised of windows/glass, type of building and use, lighting wattage/square footage, square footage occupied per person, and BTUs per person, among others.
  • step 2180 which can be performed within the building zone module portal 2160, the user can optionally revise prior input (such as prior heat gain parameters from step 2170) or enter new input for the zones in addition to inputting or selecting various other parameters, including but not limited to type of zone, square footage of the zone, heat pump type, make, or model, a hybrid design percentage, the building zone's current or anticipated peak/block cooling and heating loads, and the building zone's internal heat gain parameters such heat generated from light, people, number and type of appliances, electronics, and heat dissipating devices in use, percentage of area comprised of windows/glass, type of building and use, lighting wattage/square footage, square footage occupied per person, and BTUs per person, among others.
  • prior input such as prior heat gain parameters from step 2170
  • enter new input for the zones in addition to inputting or selecting various other parameters, including but not limited to type of zone, square footage of the zone, heat pump type, make, or model, a hybrid design percentage, the building zone's current or anticipated peak/block
  • step 2182 which can also be within the building zone module portal, the user can input and select one or more types of heat pumps for the selected zone, and the GHP application can later determine and simulate the quantity of the selected heat pumps are required for the GHP design and at what operating capacity they are to run, such as part, full, or variable capacity.
  • the heat pump types can be include the brand, model, and series, wherein the model or series can indicate the heat pump's capacity/tonnage, among others, and wherein the brands can be from a variety of manufacturers including but not limited to Carrier®, Bosch®, climateMaster®, DaikinApplied®, FHP_mfg, GeoComfort®, GeoExcel®, HydronModule®, Tetco®, WaterFurnace®, among others.
  • the technical specifications and performance data for each heat pump type, model, and series can be saved and retrieved from one or more tables within database 2176.
  • the heat pump technical and performance data within database 21 76 can be also be automatically updated when new heat pump types and/or performance data is available.
  • the heat pump performance data can include but is not limited to size, power, capacity, flow rate, airflow data, entering water temperatures, air temperatures, anti-freeze type, and freeze points, among others. More specifically, the heat pump performance data can include minimum and
  • step 2182 the user is prompted or required to input or select a maximum or peak/block BTU heating and cooling loads for the selected zone, more specifically, the maximum or peak load conditions for the heat pump(s).
  • the user can input or select an internal average heat gain.
  • the GHP application can provide an estimated heat gain value for the individual selected zone that is based on prior received data about the building, zone, and GHP design. Further, it is noted that the internal heat gain values should be entered independently of the heating and cooling loads. The entered and received maximum heating, cooling, and internal heat gain parameters are then written and saved to database 2172, where they will be retrieved by the GHP application for further processing.
  • the previously received zone data can be stored to and/or retrieved from tables within database 2172, wherein step 2180 can also store data to and/or retrieve data from database 2176 and further send this data to step 2174 and 21 78 for processing (or back to zone module 2160), wherein the processed data of steps 21 74 and 21 78 can be transmitted back to the building zone module at step 2160, thereby providing updated GHP design data for the selected zone.
  • the user has the option of running a hybrid GHP design simulation.
  • the GHP application can calculate and simulate a hybrid design at step 2220 and present the hybrid design data model and simulation at step 2240.
  • the process can calculate and simulate benchmark parameter design parameters entered at step 2250 and model at step 2200 and present this data to the simulation and model step 2240.
  • the hybrid design can be for heating or cooling.
  • a cooling tower, fluid cooler, condenser, or chiller alone or in combination, may be incorporated into the GHP simulation.
  • a boiler, furnace, hot water heater, or secondary ground loop may be incorporated into the GHP simulation.
  • the one or more hybrid heating or cooling apparatuses can be activated at a pre-defined operating schedule or pre-set temperature threshold, when a maximum heat pump load is reached, or when an entering water temperature threshold is reached, or combination of the one or more aforementioned conditions.
  • the hybrid apparatuses can work in combination, and/or simultaneously, with the GHP heat pumps and system, thereby handling a percentage of the overage load/capacity that has exceeded the threshold maximum load/capacity for the ground loop.
  • step 2250 the user can optionally select or manually input benchmark or comparison data at step 2250, including but not limited to benchmark inputting or selecting entering water temp for cooling and heating, a cost for ground loop or borehole installation, and utility electric rate, among others.
  • benchmark data is received at step 2250, then process can proceed to step 2200 and subsequently step 2240 for simulating and modeling the GHP system with the benchmark data.
  • the user selects the previously aforementioned hybrid design (step 2220), then the user can select or input various hybrid design parameters including but not limited to the type of hybrid apparatus (i.e.
  • step 2240 for modeling and simulating the GHP system having a hybrid design, such as a GHP system in combination with one or more cooling or heating systems, as previously described.
  • the user can be presented with one or more portals, user interfaces, or screens for illustrating one or more models and simulations based on the computations and/or calculations performed using the one or more user selected data in one or more of steps 2040-2220.
  • the simulation data can include but is not limited to borehole length, borehole length for a 5-25 year period, number of boreholes, length per borehole, long term ground effect, borehole length for a 1 year period, design heat pump inlet, design heat pump outlet, all zones building Btu load, total heat pump capacity, hybrid design data, all zones peak demand, all zones flow rate, annual EER/COP, electric operating costs, benchmark heat pump inlet, excess length, excess length payout, undisturbed earth temperature, ground conductivity, ground diffusivity, pipe diameter, borehole diameter, grout conductivity, borehole resistance, ground moisture, building operational schedule/hours, distance between boreholes, grid across field, and grid down, among others.
  • the user further has the option to go back to any one or more of steps 2040, 2060, 2080, 2100, 2120, 2140, 2160, 2170, 2180, 2182, 2200, 2200, and 2250, among others, in order to modify, add, or remove selections or data, thus instantly, simultaneously, or in realtime modifying and updating the design simulation at step 224.
  • all of the portals or screen for steps 2040, 2060, 2080, 2100, 2120, 2140, 2160, 21 70, 2180, 2182, 2200, 2200, 2250, and 2240 can be presented to the user on one display screen, tab, page, web page, or user interface wherein the user can move, scroll, or swipe up, down, left, or right in order to simply switch from one portal or screen to another, thus allowing the user to run several simulations without much effort in a simple and easy use user interface.
  • FIG. 2 illustrates a more detailed flow chart diagram of the embodiment of FIG. 1 , further illustrating the transmitting to and/or reading of data from databases 2042, 2062, 2082, and 2102 to and from zone summary portal 2160.
  • FIG. 2 also further illustrates the transmitting to and/or reading of user selected data from data selection input portals 2062, 2084, and 2104 to and from building zone module portal 2160 for each zone within the building.
  • FIG. 3 illustrates a more detailed flow chart diagram of FIG. 1 , further illustrating the process for processing and calculating borehole resistance at step 2152. More specifically, once borehole grout and ground condition data is received at steps 2120 and 2140, the process of the GHP application can extract data from a plurality of array tables, such as Tables 7, 8, 9 (which receive data from table 6), and received from steps 2120 and 2140.
  • the process will begin by extracting elements and values for the pipe, resin, u-tube geometry coefficients.
  • FIG. 4 illustrates a more detailed flow chart diagram of FIG. 1 , further illustrating the process for processing and calculating ground resistance at step 2154. More specifically, once borehole grout and ground condition data is received at steps 2120 and 2140, the process of the GHP application can extract data from one or more array tables, such as Tables 10 and 1 1 , and received data from steps 2120 and 2140. More specifically, the process will calculate ground resistance elements or variables years, months, and 1/4 of a day for three separate solutions for the temporal variations in heat flux by superposition of incremental integral expressions for when each interval of the time elements began or ended.
  • FIG. 5 illustrates a more detailed flow chart diagram of FIG. 1 , further illustrating the process for inputting the maximum peak/block building cooling and heating loads for each zone at step 2180.
  • step 2180 which can be performed within the building zone module 2160, can receive the internal heat gain data and heat pump equipment data.
  • the process can determine if the received heat pump equipment data is a single, dual, or variable capacity heat pump and standardizing/iterating the manufacturer published performance data for the various capacity heat pumps based on cooling and heating inlet temperatures and flow rate.
  • the heat pump is a single or dual capacity, then the heat pump performance data within database 21 76, and more specifically database 2176A for full capacity operation will be retrieved. The performance data will then be processed for the received maximum peak/block heat pump load for that particular zone.
  • the description for the processing and heat pump performance data and standardizing flow rate for GPM/ton for single or dual capacity or stage heat pump at full capacity can include the following process: Applying GPM/ton from a table array of data and extract the adjacent elements for Cooling & Heating design temperature and flow rate; then interpolating the elements for capacity and power (kW) and correcting the manufacturer published capacity and power (kW) data for air flow, air temperature, antifreeze in circulating water; and finding the number of heat pumps that meet the loads.
  • Tables 13, 14, 15, 16, and 17 show sample data, elements, and units for the heat pump data retrieved from a database, such as database 21 76, for the aforementioned heat pump performance, correction, and standardization process.
  • an embodiment for the obtaining the variable nominal capacity data in one embodiment can include the following process: Applying GPM/ton from a table array of data and extract the adjacent elements for Cooling & Heating design temperature and flow rate; then interpolating the elements for capacity and power (kW) and correcting the manufacturer published capacity and power (kW) data for air flow, air temperature, antifreeze in circulating water.
  • variable maximum and variable nominal data will then be interpolated/iterated to obtain another set of data that includes corrected and standardized heat pump performance data, such as capacity and power.
  • Tables 13, 14, 15, 16, and 1 7 show sample data, elements, and units for the heat pump data retrieved from a database, such as database 2176, for the aforementioned heat pump performance, correction, and standardization process.
  • the variable capacity is interpolated for the variable full capacity (maximum) and nominal capacity (nominal) for the maximum load, then the standardized data can be sent back to the building summary module 2160.
  • FIG. 5A and 5B For a more detailed process flow chart for processing the heat pump performance data for the maximum load and standardize the flow rate for GPM/ton we can refer to FIG. 5A and 5B, wherein FIG. 5A and 5B will later be described in detail in the disclosure described herein.
  • the GHP application process must perform the heat pump performance correction and standardization processes for a maximum peak/block heat pump load for the particular zone first before running the same process again (performing the heat pump performance, correction, and standardization) according to the hourly building operating schedule data in order to obtain the most accurate data, which will be described later in the disclosure described herein.
  • heat pump performance correction and standardization processes can also be incorporated in lieu of or in combination with the aforementioned processes.
  • FIG. 6 illustrates a more detailed flow chart diagram of FIG. 1 , further illustrating the process for calculating heat pump capacity and demand data at step 2178, and more specifically an iteration process for calculating, normalizing, standardizing, or correcting the heat pump performance data in each step for the building zone thermal loads based on the hourly building operating schedule data.
  • the process flow illustrated in FIG. 6 follows a similar methodology as illustrated in FIGS. 5, 5A, and 5B, with the exception of the processing of the heat pump data for each iteration step for the hourly building operating schedule data and additional processing for variable capacity heat pumps.
  • FIG. 6A illustrates a more detailed flow chart process for the embodiment illustrated in FIG. 6, wherein FIG. 6A will later be described in detail in the disclosure described herein.
  • the GHP application process will again determine which heat pump capacity was selected by the user, or received by the GHP application, and whether the received heat pump data is a single, dual, or variable speed.
  • the process will retrieve corresponding heat pump data from database 21 76. More specifically, if a single capacity heat pump is selected, then full capacity data will only be retrieved from database 21 76, and the process proceed to step 21 78, wherein the heat pump performance data is processed, corrected, and standardized for full capacity at each step for each hourly building operating schedule data for an individual zone.
  • step 2178 wherein the heat pump performance data is processed, corrected, and standardized for part capacity at each step for each hourly building operating schedule data for an individual zone. More specifically, each iteration step is calculated and for each iteration step load (i.e. the zone BTU/hr) if the calculated step load value is less than the part capacity value, then the process will send the calculated step load value to the building zone module 2160 for the heat pump operating at part capacity. If the calculated step load value is greater than the party capacity, then the calculated step load value is sent to the building zone module 2160 for the heat pump operating and full capacity.
  • step 2178 wherein the full capacity, nominal capacity, and minimum capacity data is iterated, interpolated, and standardized. More specifically, the process can first interpolate/iterate the full and nominal heat pump capacity and power (kW) data. The process can then determine if the calculated step load value is greater than the nominal capacity value and send the heat pump data for full and nominal capacity to building zone module 2160 for each calculated step data for each hourly building operating schedule for the heat pump operating at full and nominal capacity.
  • the process can interpolate and iterate the nominal and minimum heat pump capacity and power (kW) data.
  • the process can then determine if the calculated step load value is less than the interpolated nominal and minimum capacity value and send the heat pump data for nominal minimum capacity to building zone module 2160 for each calculated iteration step data for each hourly building operating schedule for the heat pump operating at nominal and minimum conditions.
  • FIG. 7 illustrates a more detailed flow chart diagram of FIG. 1 , further illustrating the process for calculating the zone monthly operating rate and processing the building hourly operating schedule.
  • the GHP application will process the building hourly operating schedule for each zone and set iteration steps by transposing the received hourly climate data by each degree of ambient temperature, wherein the process will iterate each step by each degree of temperature.
  • FIG. 8 further illustrating the process for calculating the zone monthly operating rate and processing the building hourly operating schedule, and BTUs transferred to and from the ground. [000105]Referring now to FIG. 8, for each iteration step temperature in the ambient range beginning with the highest temperature, the process applies the hours of the operating schedule data at each step temperature.
  • Step Zone Btu/hr Design zone btu/hr / (design max temp - beginning step temp) * (step temp - beginning step temp).
  • the process will calculate the zone heat pump equipment for the step zone thermal loads with the appropriate heat pump capacity type that adapts the BTU/hr capacity and Power (kW) for each step.
  • Step Kilowatt Hours step zone btu/hr / step heat pump Btu/hr / (1 -.25 * (1 - step zone btu/hr / step heat pump btu/hr)) * step heat pump kW * step operating hours.
  • Step Ground Btu Transfer (-step heat pump Btu/hr - (step heat pump kW * 3412)) * (step zone btu/hr / step heat pump Btu/hr / 1 -.10 * (1 - step zone btu/hr / step heat pump btu/hr)) * step operating hours).
  • the process will iterate all the steps and summarize the kilowatt hours and ground BTUs transferred to and from the ground and multiply the total kilowatt hours by the electric utility rate for the zone operating cost, wherein this data is sent to the simulation module/portal or simulation step 2240.
  • FIG. 9 illustrates one example scenario and output/simulation for calculated and simulated cooling operating costs for one zone and FIG. 9A for heating, both incorporating the operating hours scheduled within each discreet temperature increment for the building in a given year.
  • FIG. 9 and 9A illustrate one scenario with sample data for one location with its corresponding climate data and having pre-defined building operating hours, building type, design temperatures and flow rate, borehole/pipe data, ground conditions, heat pump data, and thermal heating/cooling loads, among others.
  • this scenario illustrates simulated data for a non-hybrid cooling mode GHP design simulation.
  • the output includes the total operating zone operating cost and BTUs transferred to the ground for one year based on the received user inputted GHP design and calculated values with respect to FIGS. 1 -8 and 20 and previously described processes within the disclosure described herein.
  • FIG. 10 illustrates one example scenario for calculated and simulated output for cooling operating costs for one zone for a GHP benchmark having no hybrid design, incorporating the hourly operating schedule within each discreet temperature increment for the building in a given year, wherein the GHP benchmark output data of FIG. 10 can be compared to the GHP design output of FIG. 9.
  • the GHP benchmark output can be simulated using a different entering water temperature with respect to the GHP design entering water temperature.
  • the GHP design total zone operating cost does not fluctuate much with respect to the GHP benchmark total zone operating cost, even though the entering water temperature for the GHP design is higher than the entering water temperature for the GHP benchmark.
  • FIG. 1 1 illustrates one example scenario for calculated and simulated cooling operating costs for one zone for GHP design having a 20% hybrid design, incorporating the hourly building operating schedule data for each discreet temperature increment for the building in a given year.
  • the output of FIG. 1 1 differs from that of FIG. 9, in that a percentage of the GHP design is hybrid.
  • up to 20% of the load for the GHP system is transferred to a cooling tower.
  • the GHP design can initiate the hybrid apparatus (in this case the cooling tower) to handle the excess load.
  • a pre-defined or pre-set threshold such as temperature, zone BTU/hr, or enter water temperature
  • the GHP design initiates the hybrid apparatus (cooling tower) when the ambient or outside temperature reaches 95 degrees Fahrenheit and the GHP design ground loop system has reached its maximum design load of 273,600 BTUs/hr for that zone, wherein the GHP heat pump system will continue to operate with the cooling tower handling the load over 273,600 BTUs/hr in each iteration step.
  • FIG. 12 further illustrates the process for calculating the total building's monthly operating rate and process the building's hourly operating schedule for each iteration step. More specifically, FIG. 12 follows a similar process and methodology as FIG. 9 for the zones, whereas FIG. 12 illustrates a process for calculating the total or entire building's monthly operate based on the calculated, simulated, and outputted GHP design and the total year building BTUs.
  • FIG. 13 illustrates one example scenario of output for a total building's calculated and simulated cooling total building energy requirements (BTUs) for a GHP design having no hybrid design, incorporating the hourly operating schedule data within each discreet temperature increment for the building in a given month and in a given year.
  • BTUs cooling total building energy requirements
  • FIGS. 14, 15, and 16 illustrate detailed flow charts for processing and calculating the GHP design and benchmark of step 2200 for simulation and modeling. More specifically, FIGS. 14 and 15 are for a GHP design and FIG. 16 is for a GHP benchmark design.
  • FIG. 14 one embodiment for simulating at step 2240 additional parameters for the GHP design, such as borehole lengths and payouts, among others, can begin by applying and calculating the heat pump's outlet temperatures for a total system heat pump cooling and heating.
  • Geo Design Outlet Cooling design entering water temp cooling- ((((total building cooling btu/hr * -1 )-(3.412 * total heat pump kW)) * 1000) / (500 * gpm cooling));
  • Geo Design Outlet Heating design entering water temp heating-((((total building cooling btu/hr)- (3.412 * total heat pump kW)) * 1000) / (500 * gpm Heating)).
  • the process can include calculating a borehole length for the first year.
  • Cooling Load w/ Compression total cooling btu/hr+(3.412 * total heat pump kW);
  • Total Bore Resistance borehole resistance + (cooling monthly operating rate * Rm ground resistance) + (Rd ground resistance * 1 .04);
  • Total Heat Rate ((net ground annual heat rate * -1 ) + cooling load w/ compression * total bore resistance)) * 1000;
  • the process will then calculate heat storage for each hollow cylinder (third step).
  • the process will calculate and model/simulate the borehole length for heating and cooling designs based on a 10 year model. In one embodiment for a cooling design, this calculation can include: Cooling Load w/
  • Borehole Length Cooling 10yr total heat rate / net temp cooling.
  • any number of years may also be used for simulating and calculated the borehole length, such as from 1 -50 years.
  • FIG. 16 illustrates a similar process flow methodology for calculating and simulating a GHP benchmark using benchmark parameters, such as benchmark entering water
  • the process can begin by applying and calculating outlet temperatures for heating and cooling for the total heat pump system.
  • the process can calculate ground annual heat rate, which can be based on the transfer of BTUs for a cooling and heating GHP system.
  • the total ground BTU for cooling is a negative value.
  • the process can then calculate the borehole length for a first year model or simulation of the GHP benchmark.
  • FIG. 17 illustrates a detailed flow chart for processing and calculating EER and COP data and GHP hybrid design of step 2220.
  • each iteration step comprises determining if a step zone load BTU/hr is greater than a Geo or GHP (ground loop) design zone load BTU/hr (Step Zone Btu/hr >Geo Zone Btu/hr) and if the false then the step zone load BTU/hr calculed will be used. If true, then Zone Btu/hr is set to equal Geo Zone Btu/hr and Hybrid Hours is set to equal step hours.
  • GHP ground loop
  • hybrid cooling capacity and hybrid heating capacity are calculated.
  • this calculation can include:
  • FIG. 1 1 illustrates one scenario of output data for a GHP design with a hybrid system (20% hybrid).
  • FIG. 19 also illustrates an simulation/model output and portal for GHP design with a hybrid system (25% hybrid).
  • FIG. 18 illustrates one embodiment for a user interface display of detailed simulation and model for one example scenario of a GHP design for both cooling and heating having no hybrid design and including benchmark data.
  • the GHP design simulation and model can include cooling and heating data for parameters and properties including but not limited to: borehole length at 10 years; number of boreholes required or recommended; length of the boreholes; long term ground effect; borehole length at one (1 ) year; design heat pump inlet and outlet water temperatures; total building BTU loads; GHP design Building BTU load; GHP design heat pump capacity; GHP design peak demand; GHP design flow rate; GHP design annual EER and COR; GHP design annual electric operating cost; GHP benchmark heat pump entering water inlet and outlet temperatures; how much GHP benchmark exceeds GHP design based on the extra piping required for the GHP benchmark; excess feet payback period; ground conditions; undisturbed earth temperature; ground conductivity data; ground diffusivity data; pipe diameter; borehole diameter; grout conductivity; borehole resistance; building hourly operating
  • FIG. 20 illustrates a process flow for the interpolation and extrapolation of data with respect to the discussion of FIGS. 5, 5A, 5B, 6, and 6B.
  • FIGS. 20A, 20B, and 20C each illustrate example scenario flowcharts and non- limiting embodiment for the interpolation and extrapolation method of FIG. 20.
  • the process can at step 2174A retrieve from database 21 76 a table array of data (such as Table 14) of airflow correction data and extract the adjacent elements by heat pump model CFM and capacity and interpolate the CFM using the process in FIG. 20 for capacity air flow correction.
  • the process can retrieve from database 21 76 a table array of data (such as Table 14) of airflow correction data and extract the adjacent elements by heat pump model CFM and kW and interpolate the CFM using the process in FIG. 20 for power (kW) air flow correction.
  • the process can retrieve from database 21 76 a table array of data (such as Table 15) of air temperature correction data and extract the adjacent elements by entering air temp and capacity and interpolate the air temp using the process in FIG. 20 for capacity air temp correction.
  • the process can then retrieve from database 2176 a table array of data (such as Table 15) of air temperature correction data and extract the adjacent elements by entering air temp and power (kW) and interpolate the air temp using the process in FIG. 20 for power (kW) air temp correction.
  • the process can then retrieve from database 21 76 a table array of data (such as Table 16) of freeze point percent antifreeze data and extract the adjacent elements for type of antifreeze by percent antifreeze from freeze point and interpolate the freeze point using the process in FIG. 20 for percent antifreeze.
  • the process can then retrieve from database 2176 a table array of data (such as Table 1 7) of antifreeze correction data and extract the adjacent elements by percent antifreeze and capacity and interpolate the percent antifreeze using the process in FIG. 20 for capacity antifreeze.
  • the process can then retrieve from database 21 76 a table array of data (such as Table 17) of antifreeze correction data and extract the adjacent elements by percent antifreeze and power (kW) and interpolate percent antifreeze using the process in FIG. 20 for power (kW) and antifreeze correction.
  • a table array of data such as Table 17
  • FIG. 5B is a further illustration of FIG. 5 for processing heat pump performance data for maximum thermal loads for each and standardizing the flow rate in GPM/ton, for a cooling GHP design.
  • the process can retrieve from database 21 76 a table array of data (such as from Table 13) of lowest
  • the process can retrieve from database 21 76 a table array of data (such as from Table 13) of lowest performance data and extract the lowest closed loop flow rate data (A), entering water temperature (EWT), and power (kW) and interpolate the design EWT using the methodology technique of FIG. 20 for design power (kW).
  • a table array of data such as from Table 13
  • the process can then retrieve from database 21 76 a table array of data (such as Table 13) of highest performance data and extract the highest closed loop flow rate data (B) entering water temperature (EWT) and capacity and interpolate the design EWT using the methodology of FIG. 20 for design capacity.
  • the process can then retrieve from database 21 76 a table array of data (such as from Table 13) of highest performance data and extract the highest closed loop flow rate data (B) entering water temperature (EWT) and power (kW) and
  • the process can calculate the cooling power (kW).
  • FIG. 6A illustrates one embodiment of a flow chart for processing and standardizing individual zone heat pump performance data in each step for the building zone thermal loads, further based on FIG. 6.
  • step 2178A the process can retrieve from database 21 76 a table array of data (such as Table 13) of the lowest performance data and extract the lowest closed loop flow rate data (A) by entering water temperature (EWT) and capacity and interpolate the step EWT using the methodology of FIG. 20 for step capacity.
  • step 21 78B the process can retrieve from database 2176 a table array of data (such as Table 13) of the lowest performance data and extract the lowest closed loop flow rate data (A) by entering water temperature (EWT) and power (kW) and interpolate the step EWT using the methodology of FIG. 20 for step power (kW).
  • the process can then retrieve from database 21 76 a table array of data (such as Table 13) of the highest performance data and extract the highest closed loop flow rate data (B) by entering water temperature (EWT) and capacity and interpolate the step EWT using the methodology of FIG. 20 for step capacity.
  • the process can then retrieve from database 2176 a table array of data (such as Table 13) of the highest performance data and extract the highest closed loop flow rate data (B) by entering water temperature (EWT) and step power (kW) and interpolate the step EWT using the methodology of FIG. 20 for step power (kW).
  • Cooling Step Power kw corrected B pwr kw - ((( raw gpm B - (gpm/ton B)) / (raw gpm B - raw gpm A) * (corrected B pwr kw - corrected A pwr kw)).
  • FIGS. 20, 20A, 20B, and 20C which illustrate several embodiments for a process of extracting array elements and processing universal interpolation, iteration, extrapolation data
  • FIG. 20A which uses sample exemplary data from Table 13. More specifically, the iteration process can begin at step 300, wherein data from Table 13 can be used as an example.
  • the GHP application is attempting to solve for a variable x2, wherein the x2 can be GHP design entering or inlet water temperature (see FIG. 1 , step 2100).
  • variable Array A and Array B can be obtained from a table, such as Table 13, wherein in this embodiment Array A can correspond to manufacturer provided heat pump entering water temperature (EWT) and array B can correspond to manufacturer provided heat pump capacity data for each EWT from array A.
  • EWT manufacturer provided heat pump entering water temperature
  • the process will find the last key for variable A, and set the LASTKEY to equal END(A).
  • the process will then set a "Test" variable to equal to x2.
  • the process will then determine if x2 is greater than or equal to variable A[LASTKEY], and if false, then the process proceeds to step 408.
  • step 306 the decision is true, then the process will set at step 410 for Test to equal to "A[LASTKEY] -1 ".
  • step 408 if the decision is true, then the process will set at step 412 for Test to equal to "A[0] + 1 ". Still referring to step 408, if the decision is false, then the process will move to step 414. In addition, steps 410 and 412 also proceed to step 414.
  • y2 y3 - ((x3-x2) / (x3-x1) * (y3-y1)).
  • x2 was the GHP design heat pump EWT (95 deg. F) and y2 is the iterated, standardized, and calculated heat pump capacity (45.95 MBTU/hr).
  • any other variable arrays and data can be used to calculate, solve, standardize, iterate, correct data using the process of FIGS.
  • a method of simulating a ground geothermal heat pump design can include receiving or retrieving a first array having a plurality of temperature data values each assigned to plurality of keys, receiving or retrieving a second array having a plurality of heat pump data values each assigned to a plurality of keys, determining the last key in the first array having the highest temperature data value, receiving a first temperature input variable, receiving, retrieving, or defining a first variable to be the first temperature input variable, determining if the first variable or the first temperature input variable is greater than or equal to the last key from the first array, re-defining the first variable, wherein the re-defined first variable is the number one subtracted from the last key from the first array.
  • the method can include subtracting the re-defined first variable from the last key in the first array and determining if the result is greater than or equal to zero, assigning, defining, or retrieving a second variable with a key to a value from the second array having the same key, assigning, defining, or retrieving a third variable with a key to a value from first array having the same key, assigning, defining, or retrieving a fourth variable to a last value from the second array, assigning, defining, or retrieving a fifth variable to the last key from the first array.
  • the method can include calculating, interpolating, or extrapolating the received first
  • the method can further include executing a loop operation, wherein the loop operation is comprised of re-assigning the last key from the first array with the highest temperature value that resulted in subtracting the re-defined first variable from the re-assigned last key not being greater than or equal to zero.
  • the loop operation further comprises assigning a last value from the second array with the highest heat pump value that resulted in subtracting the re-defined first variable from the re-assigned last key not being greater than or equal to zero.
  • the plurality of temperature data values in the first array can include entering water temperatures.
  • the plurality of heat pump data values in the second array can include heat pump capacity.
  • the plurality of heat pump data values in the second array can include heat pump power.
  • FIGS. 20, 20A, 20B, and 20C another aspect of the disclosure described herein can include a method of simulating a ground geothermal heat pump design or a non- transitory computer readable-medium storing a program for simulating an in-ground geothermal heat pump design, wherein the program is implemented by one or more processors executing processor instructions.
  • the method or program can include receiving a first array having a plurality of temperature data values each assigned to plurality of keys, receiving a second array having a plurality of heat pump data values each assigned to a plurality of keys, finding or determining the last key in the first array having the highest temperature data value, receiving a first temperature input variable, defining a first variable to be the first temperature input variable, determining if the first variable or the first temperature input variable is greater than or equal to the last key from the first array, determining if the first temperature input variable is less than or equal to the value assigned to the starting key in the first array.
  • the method or program can further include subtracting the first variable from the last key in the first array and determining if the result is greater than or equal to zero, assigning a second variable with a key to a value from the second array having the same key, assigning a third variable with a key to a value from first array having the same key, assigning a fourth variable to a value from the second array, assigning a fifth variable to a value from the first array, and interpolating or extrapolating the received first temperature input variable, the assigned second variable, the assigned third variable, the assigned fourth variable, and the assigned fifth variable to calculate a sixth variable.
  • the method or program can also include wherein the loop operation is comprised of re-assigning the last key from the first array with the highest temperature value that resulted in subtracting the first variable from the re-assigned last key not being greater than or equal to zero. Further, the loop operation can also include assigning a last value from the second array with the highest heat pump value that resulted in subtracting the first variable from the re-assigned last key not being greater than or equal to zero.
  • the plurality of temperature data values in the first array can include entering water temperatures.
  • the plurality of heat pump data values in the second array can include heat pump capacity.
  • the plurality of heat pump data values in the second array can include heat pump power.
  • another aspect of the disclosure described herein can include a method of simulating a ground geothermal heat pump design or a non- transitory computer readable-medium storing a program for simulating an in-ground geothermal heat pump design, wherein the program is implemented by one or more processors executing processor instructions.
  • the method or program can include receiving a first array or list having a plurality of temperature data values each assigned or mapped to a plurality of keys, receiving a second array or list having a plurality of heat pump data values each assigned or mapped to a plurality of keys, determining the last key in the first array having the highest temperature data value, receiving a first temperature input variable, defining or assigning a first variable to be the first temperature input variable, determining if the first variable or the first temperature input variable is greater than or equal to the last key from the first array, determining if the first temperature input variable is less than or equal to the value assigned to the starting in the first array, re-defining the first variable, wherein the redefined first variable is the number one added to the starting key from the first array.
  • the method or program can include subtracting the re-defined first variable from the last key in the first array and determining if the result is greater than or equal to zero, executing a loop operation, wherein the loop operation is comprised of re-assigning the last key from the first array with the highest temperature value that resulted in subtracting the re-defined first variable from the re-assigned last key not being greater than or equal to zero.
  • the method or program can also include assigning a second variable with a key to a value from the second array having the same key, assigning a third variable with a key to a value from first array having the same key, assigning a fourth variable to a value from the second array, assigning a fifth variable to the re-assigned last key value from the first array, and interpolating or extrapolating the received first temperature input variable, the assigned second variable, the assigned third variable, the assigned fourth variable, and the assigned fifth variable to calculate a sixth variable.
  • the method or program can also include wherein the loop operation further includes assigning or retrieving a last value from the second array with the highest heat pump data value that resulted in subtracting the re-defined first variable from the re-assigned last key not being greater than or equal to zero.
  • the plurality of temperature data values in the first array can include entering water temperatures.
  • the the plurality of heat pump data values in the second array can include heat pump capacity data.
  • the plurality of heat pump data values in the second array can include heat pump power data.
  • the GHP application of the disclosure described herein can be applied for any type of loop field for an in-ground geothermal system, including but not limited to closed vertical ground loops, closed horizontal ground loops, closed slinky coil ground loops, closed pond ground loops, and open geothermal ground loops.
  • closed vertical ground loops closed horizontal ground loops
  • closed slinky coil ground loops closed pond ground loops
  • open geothermal ground loops open geothermal ground loops.
  • horizontal boreholes are similar to vertical boreholes with almost the same design parameters except horizontal boreholes are closer to the surface with most of the borehole running horizontal to the surface at a depth of about 15 to 45 ft. below the surface.
  • the entry into the ground is at an angle of about 18° and then levels off when reaching the level depth and then existing back to the surface with a similar angle.
  • up to three horizontal boreholes can be laid near the surface as long as they have a separation spacing of about 15 ft.
  • the header connections are nearly the same as the vertical borehole assembly.
  • horizontal trenches can also be used in the GHP application of the disclosure described herein using a flattened circular coil arrangement similar to a "slinky toy.”
  • extra length of piping is typically required to offset the climate condition at a minimum depth of about 6 ft. below the surface.
  • the GHP application can be for modeling or simulating a GHP design for any type of building, including but not limited to: residential, commercial, industrial, government, office building, high-rise building, mid-rise building, school building, college or university building, dormitory building, apartment/condominium building, manufacturing plant building, distribution building, warehouse, agricultural building, underground building, residential house, or any other type of building or enclosure.

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Abstract

L'invention concerne un programme de conception en boucle fermée de pompe à chaleur géothermique (GHP) dans le sol permettant d'effectuer la conception, l'analyse et la simulation d'un modèle détaillé et l'analyse d'un système de pompe à chaleur géothermique dans le sol d'un bâtiment proposé, y compris la longueur du trou de forage, le nombre de trous de forage, la capacité de la pompe à chaleur, la disposition du réseau, les coûts de fonctionnement électrique totaux, les rapports d'efficacité et les conceptions hybrides, entre autres.
PCT/US2016/051184 2016-09-10 2016-09-10 Simulation et analyse de conception d'une pompe à chaleur géothermique WO2018048432A1 (fr)

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US10204189B1 (en) 2014-03-28 2019-02-12 Dennis J. Koop Geothermal heat pump design simulation and analysis
FR3100606A1 (fr) * 2019-09-11 2021-03-12 Constance Energy Sas Aide à la réalisation d’une installation géothermique pour le confort thermique d’au moins un bâtiment
US11073850B2 (en) 2019-01-18 2021-07-27 Johnson Controls Technology Company HVAC selective zone setpoint scheduling systems and methods
CN116384009A (zh) * 2023-05-31 2023-07-04 安徽新沪屏蔽泵有限责任公司 一种屏蔽泵能效等级的仿真预测方法、装置及设备

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US20100294456A1 (en) * 2009-05-19 2010-11-25 Thermapan Industries Inc. Geothermal heat pump system
WO2012061929A1 (fr) * 2010-11-08 2012-05-18 Canadian Geoexchange Coalition Procédé et système pour une conception géothermale, analyse et certification d'installation
WO2014138102A1 (fr) * 2013-03-04 2014-09-12 Greensleeves, LLC Systèmes de gestion d'énergie et procédés d'utilisation
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Publication number Priority date Publication date Assignee Title
US10204189B1 (en) 2014-03-28 2019-02-12 Dennis J. Koop Geothermal heat pump design simulation and analysis
US11073850B2 (en) 2019-01-18 2021-07-27 Johnson Controls Technology Company HVAC selective zone setpoint scheduling systems and methods
FR3100606A1 (fr) * 2019-09-11 2021-03-12 Constance Energy Sas Aide à la réalisation d’une installation géothermique pour le confort thermique d’au moins un bâtiment
WO2021048501A1 (fr) 2019-09-11 2021-03-18 Constance Energy Sas Procédé de modélisation d'une installation géothermique pour la régulation thermique d'au moins un bâtiment
CN116384009A (zh) * 2023-05-31 2023-07-04 安徽新沪屏蔽泵有限责任公司 一种屏蔽泵能效等级的仿真预测方法、装置及设备
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