缸内直喷汽油机颗粒捕集器(GPF)技术研究进展  

A Research Review on Gasoline Particulate Filter Technology for Gasoline Direct Injection Engine

作　　者：温吉辉 滕勤[1] 

机构地区：[1]合肥工业大学机械与汽车工程学院,安徽合肥230009

出　　处：《小型内燃机与车辆技术》2016年第1期77-83,共7页Small Internal Combustion Engine and Vehicle Technique

摘　　要：阐述了国内外排放法规对直喷汽油机颗粒物的排放要求,分析了直喷汽油机颗粒物(PM)产生机理。介绍了汽油机颗粒捕集器(GPF)技术研究的最新进展及存在的问题,展望了汽油颗粒捕集器的发展趋势。The emission requirements for particulate matter（PM） from gasoline direct injection（GDI）engines are elaborated. The mechanism of production and factors influencing PM emission from GDI engines are analyzed. The latest development progress and problems remaining to be solved on GPF technology are introduced. The development trend of GPF is prospected.

关 键 词：直喷汽油机 颗粒物GPF 过滤效率 排气背压 

分 类 号：TK411.24[动力工程及工程热物理—动力机械及工程]