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자연냉매 CO₂를 사용하는 자동차에어컨의 성능특성에 관한 실험적 연구
원종필(Jong phil Won),김용석(Yongseok Kim),이헌균(Hyunkyun Lee),이동혁(Donghyuk Lee) 한국자동차공학회 2004 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
This paper deals with the research for the operating parameters that could be used for transcritical CO₂ mobile air conditioning systems. It presents experimental results of the influence of the operating parameters to coefficient of performance and capacity of the mobile air conditioning system. A new, efficient, and environmentally safe automobile CO₂air conditioning system is introduced and it consists of 2-row microchannel type evaprorator, 1-row gas cooler, coaxial & microchannel type internal heat exchanger, manual expansion valve, accumulator and compressor. Experimental results shows good capacity of air conditioning system and coefficient of performance compared to the HFC-134a refrigerant system.