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논문 기본 정보

자료유형
학술대회자료
저자정보
이해준 (한라비스테온 공조) 안용남 (한라비스테온 공조) 정춘식 (한라비스테온 공조) 왕윤호 (한라비스테온 공조) 김재연 (현대자동차)
저널정보
한국자동차공학회 한국자동차공학회 춘계학술대회 2013 KSAE 부문 종합학술대회
발행연도
2013.5
수록면
689 - 697 (9page)

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초록· 키워드

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In many countries, Regulations regarding CO2 emission reduction are recently being released. It is becoming more and more important to improve the fuel efficiency of vehicles in the automotive industry. Due to these circumstances, advanced technologies improving the efficiency of the air conditioning system which affects actual fuel efficiency of vehicles have been developing for many years. In this paper, two-zone separated evaporation system which can maximize evaporator & expansion valve`s efficiency is studied. Two-zone separated evaporation system consists of two key technology, dual evaporator and dual expansion valve. Unlike the typical evaporator, the dual evaporator has parallel flow in two rows independently. In 1st row, it is necessary to supply more refrigerant flow rate to 1st row, as higher portion of the cooling is done. In 2nd row, to further cool the air, the refrigerant which is less pressure & temperature than that of the 1st row has to be supplied to the 2nd row. Dual expansion valve expands into the two phase regions and distributes refrigerant to each row of the dual evaporator. This paper presents experimental results of cooling performance in test mode to simulate vehicle cabin cooling evaluation. The conventional system & two zone separated evaporation system were compared in bench and
vehicle test mode. As a result, two-zone evaporation system has 10% higher A/C efficiency than conventional system. It is identified that applying two-zone evaporation system to vehicles can improve fuel efficiency.

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Abstract
1. 서론
2. 2중 증발 시스템
3. 실험 장치 및 방법
4. 실험결과 및 고찰
5. 향후 과제
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