增压柴油机燃用不同掺比菜籽油甲酯的燃烧和排放的试验研究.pdfVIP

第28卷 第6期 Vol_28 NO．6 2007年 1 9月 Dec．2007 文章编号：1000一一092 5(200 7)06 024—04 280105 增压柴油机燃用不同掺比菜籽油甲酯的 燃烧和排放的试验研究 张丽坤，张武高，张利静，朱 磊。黄 震 (上海交通大学 机械与动力工程学院．上海 200030) Study on Combustion and Emission Characteristics of a Turbocharged Diesel ^v ∽ Engine Fuelled with Different Blends of Rapeseed Oil Methyl Ester and Diesel Oil 燃㈣ 内_垂 C 盯 ZHANG Li—kun，ZHANG Wu—gao。ZHANG Li-jing，ZHU Lei，HUANG Zhen b (School of Mechanical and Power Engineering．Shanghai Jiaotong University．Shanghai 200030，China) 机 O Abstract：An experimental study on combustion，fuel economy and emission characteristics was conducted in 工 n a turbocharged diesel engine fuelled with blends of rapeseed oil methyl ester(RME)and diesel oil ． The results show 程 e that the combustion process of the engine is very similar to that of the engine fuelled with pure diesel oil when the g 卧 proportion of RME is no more than 1 5 ．Compared with diesel engine．smoke。HC and CO emissions of the engine M fuelled with blend could be reduced effectively；meanwhile，the NO emission increaseds slightly．The blend fuel has 盯 a little effect on fuel economy of engine when the propotion of RME is less than 1 5％．It is considered that bio-fuel is more suitable for turbocharged diesel engine rather than NA diesel engine，and blend fuel with lower proportion of RME can be used as engine fuel without any change in engine parameters． 摘要：在D6114ZI QB车用增压柴油机上比较研究了不同比例的菜籽油甲酯和0号柴油的 混合燃料对发动机燃烧过程、燃油经济性和排放特性的影响。试验结果表明：燃用体积比低于