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http://dx.doi.org/10.7316/KHNES.2019.30.4.369

Performance of the Geothermal Heat Pump Using HFC32 Refrigerant  

PARK, YONG-JUNG (R&D Center, Daihan Climate Control Co.)
PARK, BYUNG-DUCK (School of Automotive Engineering, Kyungpook National University)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.30, no.4, 2019 , pp. 369-375 More about this Journal
Abstract
Air conditioners adopting high energy efficiency and low global warming potential (GWP) refrigerant are being developed globally. In case of commercial air conditioner, R32 with lower GWP than R410A is attracting industrial attentions. In this study, the performance of water-to-water geothermal heat pump adopting R32 is compared with that of the heat pump using R410A. By using R32 instead of R410A, heating capacity and COP in heating standard condition can be increased by 8.8% and 6.3% respectively. Also, cooling capacity and COP in cooling standard condition can be increased by 5.3% and 3.1% respectively by using R32. But in case of using R32, systemic improvements are required to decrease discharge temperature of compressor since discharge temperature rises abnormally in heating operations.
Keywords
Geothermal heat pump; Heating capacity; Cooling capacity; COP; GWP; R32;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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