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저압측 냉매 압력을 통한 자동차용 증발기 결빙 방지에 관한 실험적 연구
김성현(Seonghyun Kim),이남준(Namjun Lee),김용식(Yongsik Kim),김동균(Donggyun Kim),최의현 한국자동차공학회 2015 한국자동차공학회 학술대회 및 전시회 Vol.2015 No.11
User inconvenience due to the freezing evaporator is a chronic problem that occurs continuously in the automotive A/C systems. Currently in most automobile manufacturers adopted air temperature sensor to control compressor operation. But under frozen A/C system operating condition can make worse due to temperature sensor position blockage. So present study shows the possibility of compressor operation with the pressure of the low side refrigerant, which can prevent evaporator freezing problem in uniform air velocity channel duct. present study not only shows pressure control can avoid problem that temperature control have but also give some guidance of choose compressor off/on pressure value, control range on certain A/C system.