한국수소및신에너지학회논문집 (Transactions of the Korean hydrogen and new energy society)

  • 제30권4호
  • /
  • Pages.369-375
  • /
  • 2019
  • /
  • 1738-7264(pISSN)
  • /
  • 2288-7407(eISSN)
한국수소및신에너지학회 (The Korean Hydrogen and New Energy Society)
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HFC32 냉매를 사용한 지열원 히트펌프의 성능 특성

Performance of the Geothermal Heat Pump Using HFC32 Refrigerant

  • 박용정 (대한공조(주)기술연구소) ;
  • 박병덕 (경북대학교 자동차공학부)
  • 투고 : 2019.07.22
  • 심사 : 2019.08.31
  • 발행 : 2019.08.31
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초록

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.

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참고문헌

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