汽油机微粒捕集器过滤材料研究进展

打开文本图片集
【摘 要】文章根据国内外汽油机颗粒捕集器(GPF)的研究现状,全面系统地总结出壁流式、径向式和轴向式3种过滤体结构的特点,深入探讨高效GPF对过滤材料的要求,重点介绍陶瓷基和金属基两大类过滤材料的最新研究进展,并基于当前技术发展趋势,对GPF的未来发展方向进行展望。
【关键词】汽油机颗粒捕集器;过滤体结构;过滤材料;金属基材料;陶瓷基材料
中图分类号:U464.172 文献标识码:A 文章编号:1003-8639(2025)01-0051-05
Research Progress on the Filter Materials for Gasoline Particle Filter
CHU Meng'en,CHEN Xi,JIANG Xueming,SHEN Ruihao,MAO Haifeng,MAO Mengna
(SAIC Volkswagen Automobile Co.,Ltd.,Shanghai 201805,China)
【Abstract】This paper comprehensively and systematically summarizes the characteristics of wall-flow,radial and axial filter structures,deeply discusses the requirements of efficient GPF filter materials,focuses on the latest research progress of ceramic and metal based filter materials,and based on the current technological development trend,The future development direction of GPF is prospected.
【Key words】gasoline engine particle catcher;filter structure;filter material;metal-based materials;ceramic base material
0 引言
目前,汽车企业常采用安装GPF的措施来降低颗粒物的排放量,这一方法也被认为是目前最有效的减排策略之一[1]。(剩余9127字)