柴油机燃用不同比例二甲醚/柴油混合燃料性能研究  

Simulation of Combusion Performance for Diesels Fueled with Blended Fuel of Diesel/DME with Different Ratios

作　　者：魏远文[1] 袁方恩[1] 张杨[1] 

机构地区：[1]西华大学交通与汽车工程学院,四川成都610039

出　　处：《西华大学学报（自然科学版）》2010年第4期39-42,共4页Journal of Xihua University:Natural Science Edition

基　　金：四川省教育厅资助科研项目(2006ZD028)

摘　　要：对柴油机燃用不同比例的二甲醚/柴油混合燃料的燃烧性能进行研究。研究结果表明:柴油机掺烧二甲醚后,气缸内的压力和温度都有很大程度的降低,燃烧柔和,滞燃期缩短;随着二甲醚比例的提高,柴油机的排放性能有明显改善,NOx和碳烟排放均下降。In this paper,the combustion performance of diesel engine fueled with different proportion of DME-diesel mixture was researched.The result shows that the pressure and the temperature of the cylinder decline sharply and the combustion becomes moderate while the engine is fueled with the admixture of DME and diesel.The ignition delay period is reduced.And the emission performance is significantly improved with the increase in the proportion of DME content in the fuel,for example,NOx and soot emission decrease.

关 键 词：二甲醚 燃烧 模拟 混合燃料 

分 类 号：TK421.26[动力工程及工程热物理—动力机械及工程]