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〈학술논문〉가온공기 분사를 통한 실외기 코일 착상지연 효과
박철승(C. S. Park),전창덕(C. D. Jeon) 대한기계학회 2011 대한기계학회 춘추학술대회 Vol.2011 No.5
The object of this experimental study is to investigate the effect on frost delay by injecting the warm air on outdoor coil surfaces at frost conditions (2℃/1℃). The heat pump with the injection of warm air makes frost delay time longer. Maximum COP in case of injecting warm air is 7.1% higher than that in case of no warm air injection. Also in case of moving air injection duct faster, the frost delay time is lengthened and its COP is enhanced more.