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
- 학술저널
- 저자정보
- 저널정보
- 한국마린엔지니어링학회 Journal of Advanced Marine Engineering and Technology (JAMET) 한국마린엔지니어링학회지 제46권 제2호
- 발행연도
- 2022.4
- 수록면
- 56 - 63 (8page)
- DOI
- 10.5916/jamet.2022.46.2.56
이용수
초록· 키워드
오류제보하기
〈도표 본문 참조〉
In this study, the effect of fuel-injection timing on ringing intensity and combustion noise level in a single-cylinder common-rail direct-injection diesel engine (CRDI) operating on biodiesel fuel is quantitatively investigated. Various combustion characteristics such as in-cylinder pressure, rate of heat release (ROHR), rate of pressure rise (ROPR), and in-cylinder temperature are analyzed. In addition, emissions such as carbon monoxide (CO) and nitrogen oxides (NOx) are analyzed based on different fuel-injection timings. It is observed that the peak in-cylinder pressure, ROHR, ROPR, and in-cylinder temperature levels increase as the fuel-injection timing is advanced. Advancing the injection timing deteriorates the engine performance, as indicated by the mean effective pressure, torque, and thermal efficiency. It is discovered that a more intense premixed combustion resulting from longer ignition delays during advanced fuel-injection timings results in increased ringing intensity (RI) and combustion noise levels (CNL). As the fuel-injection timing is advanced, the CO and NOx emission levels increase because of incomplete combustion and higher in-cylinder temperatures.
In this study, the effect of fuel-injection timing on ringing intensity and combustion noise level in a single-cylinder common-rail direct-injection diesel engine (CRDI) operating on biodiesel fuel is quantitatively investigated. Various combustion characteristics such as in-cylinder pressure, rate of heat release (ROHR), rate of pressure rise (ROPR), and in-cylinder temperature are analyzed. In addition, emissions such as carbon monoxide (CO) and nitrogen oxides (NOx) are analyzed based on different fuel-injection timings. It is observed that the peak in-cylinder pressure, ROHR, ROPR, and in-cylinder temperature levels increase as the fuel-injection timing is advanced. Advancing the injection timing deteriorates the engine performance, as indicated by the mean effective pressure, torque, and thermal efficiency. It is discovered that a more intense premixed combustion resulting from longer ignition delays during advanced fuel-injection timings results in increased ringing intensity (RI) and combustion noise levels (CNL). As the fuel-injection timing is advanced, the CO and NOx emission levels increase because of incomplete combustion and higher in-cylinder temperatures.
목차
Graphical Abstract
Abstract
1. Introduction
2. Experimental System
3. Results and Discussions
4. Conclusions
References
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