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논문 기본 정보

자료유형
학술대회자료
저자정보
오창훈 (한국과학기술원) 장진영 (한국과학기술원) 배충식 (한국과학기술원)
저널정보
한국자동차공학회 한국자동차공학회 추계학술대회 및 전시회 2009년 학술대회 및 전시회
발행연도
2009.11
수록면
412 - 419 (8page)

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초록· 키워드

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The effect of the composition(propane(C₃H?), butane(C₄H?)) and injection quantity of liquefied petroleum gas (LPG) was investigated in a di-methyl ether (DME)-LPG dual-fuel homogeneous charge compression ignition (HCCI) engine. The composition of LPG and injection quantity affects DME-LPG dual fuel HCCI combustion because LPG suppresses low temperature reaction of DME which results retardation of high temperature reaction. It was found that ignition delay was prolonged as injection quantity of LPG increased. Ignition delay was more prolonged when propane was used due to better anti-knock property compared to butane. Thus, high load operating regime was extended by addition of LPG, and further expanded when propane was used. However, at the same condition, amount of heat release rate per heating value of injected fuel was decreased because of suppression of low temperature reaction of DME, which affects heat release amount of entire combustion reaction. In terms of emissions, carbon monoxide (CO) and nitrogen oxide (NOx) emissions were strongly dependent on combustion temperature while hydrocarbon(HC) emission was proportional to amount of LPG injected compared to injected DME. In case that injected quantity of LPG was equal, there were disadvantages of HC and NOx emissions and advantage in CO emission when propane was used.

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Abstract
1. 서론
2. 실험 장치 및 조건
3. 실험 결과
4. 결론
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