李配楠1,程晓章1，骆洪燕2，谢振凯1
（1、合肥工业大学 汽车与交通工程学院，安徽 合肥 230009；2、广州汽车集团股份有限公司汽车工程研究院，广东 广州 511434）
摘要：本文阐述了国六排放法规对直喷汽油机颗粒物的排放要求,介绍更加恶劣的WLTC测试循环。重点阐述了汽油机颗粒捕集器(GPF)的开发和试验过程,说明GPF在应对国六标准的后处理系统中的作用,为GPF的应用打下基础。
关键词：直喷汽油机；汽油机颗粒捕集器；油耗；国六排放标准；颗粒物数量
Abstract: This paper expounds the emission requirements of the China-6 regulations for direct injection gasoline engines, and introduces the complicated WLTC test cycle. The paper focuses on the development and test process of the GPF, and explains the role of GPF in the aftertreatment system designed for the China-6 regulations, laying the foundation for the application of GPF.
Keywords: Gasoline Direct Injection Engine; Gasoline Particulate Filter; Fuel Consumption; China-6 Emission Regulations； Particulate Number
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