摘要
研究了柴油机燃用不同掺混比的乙醇 -柴油混合燃料对排气烟度以及 NOx 气体排放成分的影响 ,分析了尾气排放中甲醛、乙醛以及未燃乙醇的含量。研究结果表明 ,加入一定比例的乙醇可改善缸内燃烧过程 ,大幅度降低排气烟度 ,提高燃油经济性。随着乙醇掺混比的提高 ,尾气中 NOx 含量。
This investigation is made on the combustion of ethanol diesel blend fuel in diesel engine and its influence on PM and NO x emissions.The concentrations of formaldehyde,aldehyde and unburned ethanol in the exhaust gas are analyzed.The results show that the blend of a proper proportion of ethanol to diesel fuel can greatly reduce smoke,improve engine performance and thermal efficiency.NO x,aldehyde and unburned ethanol emissions will increase when more ethanol is added to diesel fuel.
出处
《内燃机学报》
EI
CAS
CSCD
北大核心
2002年第3期225-229,共5页
Transactions of Csice
基金
国家自然科学基金重点项目 (50 1 360 4 0 )
