二甲醚发动机非常规排放物及超细颗粒物排放特征研究  

Unconventional Emissions and Ultrafine Particle Emissions Characteristics Research for DME Engines

作　　者：尉庆国[1] 苏铁熊[1] 刘汉涛[1] 马理强[1] 

机构地区：[1]中北大学机电工程学院,山西太原030051

出　　处：《内燃机》2011年第5期44-46,53,共4页Internal Combustion Engines

摘　　要：综述了二甲醚发动机在非常规排放物和超细颗粒物排放方面的研究进展。重点阐述了二甲醚发动机的甲醛、甲酸甲酯和甲酸等非常规排放物的测试方法、生成机理、排放特征和影响因素。深入地研究了二甲醚发动机的超细微粒排放。In this aitiele, the research progress in uneonventional emissions and uhraflne particle emissions in DME engines are summarized, with the generation mechanisms, measurement methods and influential factors of formaldehyde, methyl formate and formic acid emissions illustrated in details. Furthermore, the ultrafine particle emissions in DME engines are also analyzed.

关 键 词：二甲醚 内燃机 非常规排放 超细颗粒 

分 类 号：TK407[动力工程及工程热物理—动力机械及工程]