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CI 엔진에서 공연비 변화가 바이오디젤의 연소 특성에 미치는 영향

Title
CI 엔진에서 공연비 변화가 바이오디젤의 연소 특성에 미치는 영향
Author
박성욱
Keywords
Equivalence ratio(당량비); Exhaust gas recirculation(배기재순환); Stoichiometric combustion(이론 연소); Particulate matter(입자상물질); Biodiesel(바이오디젤)
Issue Date
2011-05
Publisher
한국연소학회
Citation
KOSCOSYMPOSIUM논문집, Vol.- No.42 [2011], 325-330(6쪽)
Abstract
The effect of air/fuel ratio on combustion characteristics was investigated in a compression ignition engine fueled with biodiesel. For investigating the effect of biodiesel air/fuel ratio on combustion characteristics, the experiments were performed at various equivalence ratios and 120㎫ of injection pressure. In addition, lambda meter were equipped to measure air/fuel ratio, which is varied from 0.6 to 1.0 as using various EGR ratio. The results were compared with those results without EGR. For analyzing exhaust emission characteristics, nitrogen oxidies(NOx), hydrocarbon(HC), and carbon monoxide(CO) are measured under the various air/fuel ratios. The experimental results show that NOx emission gradually decreased according to the decrease of equivalence ratio, and HC and soot emissions significantly increased as advanced injection timing. The soot and HC emissions generally decreased and NOx emission was almost zero level according to retarded injection timing cases.
URI
http://www.dbpia.co.kr/Journal/ArticleDetail/NODE01648934
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MECHANICAL ENGINEERING(기계공학부) > Articles
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