Effect of EGR and injection timing on combustion and emission characteristics of split injection strategy DI-diesel engine fueled with biodiesel

被引：129
|
作者：
Qi, Donghui [1 ]
Leick, Michael [2 ]
Liu, Yu [3 ]
Lee, Chia-fon F. [2 ]
机构：
[1] Changan Univ, Key Lab Automot Transportat Safety Technol, Minist Commun, Xian 710064, Peoples R China
[2] Univ Illinois, Dept Mech Sci & Engn, Urbana, IL 61801 USA
[3] Jilin Univ, Sch Automot Engn, Changchun 130012, Peoples R China
来源：
FUEL | 2011年 / 90卷 / 05期
关键词：
Biodiesel; Exhaust gas recirculation; Split injection strategy; Combustion; Emission; METHYL-ESTER; NOX EMISSIONS; PERFORMANCE; OIL; IMPACT; BLENDS; SOOT;
D O I：
10.1016/j.fuel.2011.01.016
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
In this study, the effect of injection timing and EGR rate on the combustion and emissions of a Ford Lion V6 split injection strategy direct injection diesel engine has been experimentally investigated by using neat biodiesel produced from soybean oil. The results showed that, with the increasing of EGR rate, the brake specific fuel combustion (BSFC) and soot emission were slightly increased, and nitrogen oxide (NOx) emission was evidently decreased. Under higher EGR rate, the peak pressure was slightly lower, and the peak heat release rate kept almost identical at lower engine load, and was higher at higher engine load. With the main injection timing retarded, BSFC was slightly increased, NOx emission was evidently decreased, and soot emission hardly varied. The second peak pressure was evidently decreased and the heat release rate was slightly increased. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1884 / 1891
页数：8
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