Investigation of the effect of using various HFC refrigerants in geothermal heat pump with residential heating applications
作者： Mahdi Deymi-Dashtebayaz , Saeed Maddah , Marjan Goodarzi , Omid Maddah
DOI: 10.1007/S10973-020-09539-5
关键词: Refrigerant 、 Geothermal heat pump 、 Petroleum engineering 、 Exergy efficiency 、 Coefficient of performance 、 Exergy 、 Geothermal gradient 、 Gas compressor 、 Environmental science 、 Heat pump
摘要: In the present investigation, impact of various refrigerants on efficiency geothermal heat pump operation is investigated. Appropriate working range five HFC such as R125, R134A, R404A, R407C, and R507A for using a studied. Also, energy exergy analysis used to investigate influence varying temperatures exhaust fluid from source operation. The critical parameters, coefficient performance (COP), efficiency, destruction components, are calculated. results show that, in cycle, R134A R125 have highest lowest COP respectively. Moreover, enhancing temperature an enhancement COP. For mentioned refrigerants, due compressor, primary energy-consuming equipment, obtained between 26.7 27.3% relative overall system. outcomes achieved research may provide instructions design optimization efficient systems.
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