摘要
对柴油机燃用二甲醇的排放性能进行了研究，并与燃用柴油时的排放水平进行了对比。结果表明： 发动机转速和平均有效压力对污染物排放有较大影响；与燃用柴油相比，燃用二甲醚可以大幅度降低 ＮＯｘ排放，烟度为０，ＣＯ和未燃ＨＣ排放也有所降低，排放物中甲醛量增加。研究表明二甲醚是柴油机 理想的低排放代用燃料。
In this paper,the emission characteristics of a direct injection diesel engine fueled with dimethyl ether (DEM) are studied and compared with those of diesel fueled engine. The results show that the engine speed and brake mean effective pressure (BMEP) have great influences on emissions. In comparison with those of the engine fueled with diesel,the NO. emission is decreased significantly,the smoke rate is nearly zero,the CO and the HC emissions are reduced slightly and the HCHO emission is increased. The study demonstrates that DME is an ideal alternative fuel of diesel engine for lower emissions.
出处
《内燃机学报》
EI
CAS
CSCD
北大核心
2000年第1期6-10,共5页
Transactions of Csice
基金
西安交通大学博士论文基金
福特一中国研究发展基金!(9715613)
