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4실린더 커먼레일 디젤엔진에서 바이오디젤 혼합연료와 EGR율에 따른 연소 및 배기특성

Title
4실린더 커먼레일 디젤엔진에서 바이오디젤 혼합연료와 EGR율에 따른 연소 및 배기특성
Other Titles
Combustion and Emission Characteristics of Biodiesel Blended Fuel by EGR Rate in a 4-cylinder CRDI Diesel Engine
Author
박성욱
Keywords
바이오디젤; 배기가스 재순환; 대체연료; 바이오디젤 30% 혼합연료; 함산소연료
Issue Date
2011-04
Publisher
한국자동차공학회
Citation
한국자동차공학회 논문집, 2011, 19(4), P.130-136
Abstract
This study describes the effect of EGR rate on the combustion and emissions characteristics of a four cylinder CRDI diesel engine using biodiesel (soybean oil) blended diesel fuel. The test fuel is composed of 30% biodiesel and 70% ULSD (ultra low sulfur diesel) by volumetric ratio. The experiment of engine emissions and performance characteristics were performed under the various EGR rates. The experimental results showed that ignition delay was extended, the maximum combustion pressure and heat release gradually were decreased with increasing EGR rate. Comparing biodiesel blended fuel to ULSD, the injection quantity of biodiesel blended fuel was further increased than ULSD. The emission results showed that $NO_x$ emission of biodiesel blended fuel becomes higher according to the increase of EGR rate. However, in the case of biodiesel blended fuel, HC, CO and soot emissions were decreased compared to ULSD.
URI
http://www.ndsl.kr/ndsl/search/detail/article/articleSearchResultDetail.do?cn=JAKO201113663904725
ISSN
1225-6382; 2234-0149
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MECHANICAL ENGINEERING(기계공학부) > Articles
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