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논문 기본 정보

자료유형
학술저널
저자정보
정수진 (자동차부품연구원) 박정권 (자동차부품연구원) 오창복 (태원물산) 조용석 (국민대학교)
저널정보
한국자동차공학회 한국자동차공학회논문집 한국자동차공학회논문집 제20권 제2호
발행연도
2012.3
수록면
123 - 134 (12page)

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초록· 키워드

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A typical cooling system of an engine relies on a water pump that circulates the coolant through the system. The pump is typically driven by the crankshaft through a mechanical link with engine starting. In order to reduce the friction and warm-up time of an engine, the clutch-type water pump (CWP) was applied in 2.0 liter diesel vehicle. The clutch-type water pump can force cooling water to supply into an engine by the operation of an electromagnetic clutch equipped as the inner part of pump system. The onset of CWP is decided by temperature of cooling water and engine oil. And, the control logic for an optimal operation of the clutch-type water pump was developed and applied in engine and vehicle tests. In this study, the warm-up time was measured with the conventional water pump and clutch-type water pump in engine tests. And the emission and the fuel consumption were evaluated under NEDC mode in vehicle tests. Also, tests were carried out for the various temperature conditions starting the operation of CWP. From the results of the study, the application of CWP can improve the fuel consumption and CO₂ reduction by about 3%.

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Abstract
1. 서론
2. 실험장치 및 방법
3. 결과 및 분석
4. 결론
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UCI(KEPA) : I410-ECN-0101-2013-556-001308332