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논문 기본 정보

자료유형
학술대회자료
저자정보
이호성 (자동차부품연구원) 원종필 (자동차부품연구원) 조중원 (자동차부품연구원) 임택규 (자동차부품연구원) 전한별 (자동차부품연구원) 남수병 (한온시스템) 김동균 (한온시스템) 김용찬 (고려대학교)
저널정보
한국자동차공학회 한국자동차공학회 춘계학술대회 2016 한국자동차공학회 춘계학술대회
발행연도
2016.5
수록면
589 - 595 (7page)

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초록· 키워드

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The objective of this study was to investigate performance characteristics of the triple fluids heat exchanger with different temperature levels of coolants as a condenser in electric-driven air conditioning system. Tested triple fluids heat exchanger to transfer heat between a refrigerant and two kinds of coolants applied to fuel cell electric vehicles, stack coolant with 35% portion and electric device coolant with 65.0% portion of whole area, was developed to use selectively and concurrently coolant sources along with operating conditions due to different temperature levels. In order to analyze performance characteristics of the triple fluids heat exchanger with respect to heat transfer rate and pressure drop, electric-driven air conditioning system with two kinds of coolants was installed and tested under various operating conditions for coolants, such as temperature and volume flow rate. In addition, since developed heat exchanger was used in electric-driven air conditioning system for a fuel cell vehicle, air conditioning system’s performance characteristics with respect to cooling capacity and coefficient of performance (COP) was analyzed after various experiments with inlet air conditions of evaporator and compressor speed. Performance characteristics of tested triple fluids heat exchanger were affected more by the refrigerant flow rate which reflected various air conditioning system operations, such as ambient temperature and compressor speed, than coolant’s. The heat capacity and pressure drop of tested triple fluids heat exchanger with respect to stack coolant operating conditions were about 7.0 ㎾ and 10.0 ㎪ along with stack coolant temperature, respectively. Like stack coolant operating conditions, performance characteristics with the variation of coolants operating conditions was analyzed and optimal operating conditions for coolants was proposed to have better efficiency of tested air conditioning system.

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Abstract
1. 서론
2. 실험 장치 및 방법
3. 실험 결과 및 고찰
4. 결론
References

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UCI(KEPA) : I410-ECN-0101-2017-556-002272535