지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2011.5
- 수록면
- 303 - 308 (6page)
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초록· 키워드
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This experimental study investigated the effect of pilot injection on combustion characteristics ; specifically combustion noise and soot emission in the low temperature diesel combustion.
Preliminary experiments under wide range of exhaust gas recirculation rate and injection timing were performed to find experimental condition which shows near zero nitrogen oxides emission and maximum indicated mean effective pressure.
In the pilot injection experiment, pilot injection ratio and timing were varied. with fixed pilot injection quantity, more retarded pilot injection timing caused vigorous heat release prior to start of the main injection. It accelerated combustion start of the fuel injected at main injection timing while decreased peak of heat release rate.
Soot emission was increased as pilot injection quantity and timing was increased and retarded, respectively. Maximum pressure rise rate was decreased when the small pilot injection quantity was injected. However, when pilot injection quantity and timing were increased and retarded respectively, maximum pressure rise rate increased even higher than single injection case.
Preliminary experiments under wide range of exhaust gas recirculation rate and injection timing were performed to find experimental condition which shows near zero nitrogen oxides emission and maximum indicated mean effective pressure.
In the pilot injection experiment, pilot injection ratio and timing were varied. with fixed pilot injection quantity, more retarded pilot injection timing caused vigorous heat release prior to start of the main injection. It accelerated combustion start of the fuel injected at main injection timing while decreased peak of heat release rate.
Soot emission was increased as pilot injection quantity and timing was increased and retarded, respectively. Maximum pressure rise rate was decreased when the small pilot injection quantity was injected. However, when pilot injection quantity and timing were increased and retarded respectively, maximum pressure rise rate increased even higher than single injection case.
목차
ABSTRACT
1. 서론
2. 실험 장치 및 방법
3. 실험 결과
4. 결론
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UCI(KEPA) : I410-ECN-0101-2013-431-000555931