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바이오디젤 연료 압축착화 엔진의 당량비 변화가 연소 및 배출물특성에 미치는 영향

Title
바이오디젤 연료 압축착화 엔진의 당량비 변화가 연소 및 배출물특성에 미치는 영향
Other Titles
Effect of Equivalence Ratio on the Combustion Characteristics in a CI Engine Fueled with Biodiesel
Author
박성욱
Keywords
Air/fuel ratio; Equivalence ratio; Exhaust gas recirculation; Stoichiometric combustion; Particulate matter; Biodiesel
Issue Date
2011-09
Publisher
한국연소학회
Citation
한국연소학회지, 2011, 16(3), P.52-58
Abstract
The purpose of this paper is to investigate the effect of equivalence ratio on the combustion and emission characteristics of a compression ignition engine fueled with biodiesel. In this research, a single-cylinder direct injection engine with 373.3 cc of displacement volume was tested on DC dynamometer. In order to investigate the effect of biodiesel equivalence ratio on combustion characteristics, the experiments were conducted at various equivalence ratios and injection pressures of 40~120 MPa. For investigating engine performance, lambda meter was connected and equivalence ratios was varied from 0.6 to 1.0. In addition, the exhaust emissions such as oxides of nitrogen($NO_X$), hydrocarbon(HC) and carbon monoxide(CO) were measured by exhaust gas analyzer under the various air/fuel ratios. The experimental results show that maximum IMEP was measured at the 0.8 of equivalence ratio. Furthermore, $NO_X$ emission was rapidly decreased as the increase of equivalence ratio. However soot emission was significantly increased according to the increase of equivalence ratio.
URI
https://www.kci.go.kr/kciportal/ci/sereArticleSearch/ciSereArtiView.kci?sereArticleSearchBean.artiId=ART001586992
ISSN
1226-0959
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MECHANICAL ENGINEERING(기계공학부) > Articles
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