Domestic Journal

PCM 유닛을 적용한 공기 열원 히트펌프의 연속난방 성능 특성에 관한 실험적 연구
Year of publication 2015
Title of paper PCM 유닛을 적용한 공기 열원 히트펌프의 연속난방 성능 특성에 관한 실험적 연구
Author 장민 , 정동일 , 정종호 , 김용찬
Publication in journal 설비공학논문집
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Abstract Air-source heat pumps are widely used in winter as heating units due to their higher efficiency compared to electronic heaters or gas fired equipment. However, the air-source heat pump can cause discomfort during periodic defrosting operations. In this study, a PCM unit for continuous heating was adopted to solve this problem. The PCM unit consisted of a PCM, a heat exchanger, and control valves. It was installed between the outdoor and indoor units. The performance of the proposed system was measured during both defrosting and heating operations. The indoor unit showed an average leaving temperature of 26℃ after adopting the PCM unit for continuous heating during the defrosting operation.
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