汽油機(jī)微粒捕集器過濾材料研究進(jìn)展

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【摘 要】文章根據(jù)國(guó)內(nèi)外汽油機(jī)顆粒捕集器(GPF)的研究現(xiàn)狀,全面系統(tǒng)地總結(jié)出壁流式、徑向式和軸向式3種過濾體結(jié)構(gòu)的特點(diǎn),深入探討高效GPF對(duì)過濾材料的要求,重點(diǎn)介紹陶瓷基和金屬基兩大類過濾材料的最新研究進(jìn)展,并基于當(dāng)前技術(shù)發(fā)展趨勢(shì),對(duì)GPF的未來發(fā)展方向進(jìn)行展望。
【關(guān)鍵詞】汽油機(jī)顆粒捕集器;過濾體結(jié)構(gòu);過濾材料;金屬基材料;陶瓷基材料
中圖分類號(hào):U464.172 文獻(xiàn)標(biāo)識(shí)碼:A 文章編號(hào):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,汽車企業(yè)常采用安裝GPF的措施來降低顆粒物的排放量,這一方法也被認(rèn)為是目前最有效的減排策略之一[1]。(剩余9127字)