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An Experimental Study on Performance of Heat Pump System Using Hydrocarbon Refrigerants by Changing Indoor Load  

Kim, Jae-Dol (동명대학교 환경설비공학과)
Seong, Gwang-Hoon (부경대학교 대학원 냉동공조공학과)
Jeong, Seok-Kwon (부경대학교 기계공학부)
Yoon, Jung-In (부경대학교 기계공학부)
Lee, Ho-Saeng (부경대학교 대학원 냉동공조공학과)
Publication Information
Journal of Advanced Marine Engineering and Technology / v.30, no.2, 2006 , pp. 204-210 More about this Journal
Abstract
This study presents heat pump system characteristics using hydrocarbon refrigerants as alternative refrigerant for R-22 with respect to the variation of indoor load. Pure R-22 and R-290. R-600a, R-1270 were considered as working fluids The experimental apparatus was constructed to investigate the performance of heat pump using the air as a heat source. The performance were calculated based on compression shaft work. refrigeration capacity. pressure ratio, discharge temperature and COP. The experimental results show that the COP and refrigeration capacity of hydrocarbon refrigerants were higher than that of R-22. Through the above. hydrocarbon refrigerants are good alternatives in the heat pump system for R-22.
Keywords
Indoor load; Coefficient of performance; Heat pump;
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