바이오디젤 연료 압축착화 엔진의 당량비 변화가 연소 및 배출물특성에 미치는 영향Effect of equivalence ratio on the combustion characteristics in a CI engine fueled with biodiesel
- Other Titles
- Effect of equivalence ratio on the combustion characteristics in a CI engine fueled with biodiesel
- Authors
- 강민구; 권석주; 차준표; 임영관; 박성욱; 이창식
- Issue Date
- Sep-2011
- Publisher
- 한국연소학회
- Keywords
- 공연비; 당량비; 배기가스 재순환; 이론 연소; 입자상물질; 바이오디젤; Air/fuel ratio; Equivalence ratio; Exhaust gas recirculation; Stoichiometric combustion; Particulate matter; Biodiesel
- Citation
- 한국연소학회지, v.16, no.3, pp.52 - 58
- Indexed
- KCI
- Journal Title
- 한국연소학회지
- Volume
- 16
- Number
- 3
- Start Page
- 52
- End Page
- 58
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/27704
- ISSN
- 1226-0959
- 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 373.3cc 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 ~ 120MPa. 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 (NOX), 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, NOX emission was rapidly decreased as the increase of equivalence ratio. However soot emission was significantly increased according to the increase of equivalence ratio.
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