碳煙累積對(duì)汽油機(jī)顆粒捕集器性能的影響

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【摘 要】文章簡(jiǎn)單介紹缸內(nèi)直噴汽油機(jī)內(nèi)顆粒物的生成機(jī)理、汽油機(jī)顆粒物捕集器的結(jié)構(gòu)、工作原理,綜述GPF內(nèi)碳煙累積對(duì)GPF捕集效率、背壓和再生性能的影響,并對(duì)GPF未來(lái)的發(fā)展進(jìn)行展望。
【關(guān)鍵詞】缸內(nèi)直噴汽油機(jī);汽油機(jī)顆粒物捕集器;碳載量;捕集效率;背壓;再生
中圖分類號(hào):U464.136 文獻(xiàn)標(biāo)識(shí)碼:A 文章編號(hào):1003-8639( 2024 )06-0035-04
Research Progress on the Effect of Soot Loading on the Gasoline Particulate Filter
CHU Mengen,CHEN Xi,JIANG Xueming,SHEN Ruihao,MAO Haifeng
(SAIC Volkswagen Automotive Co.,Ltd.,Shanghai 201805,China)
【Abstract】This article briefly introduces the mechanism of soot generation in GDI engines,the structure and working principle of Gasoline Particulate Filter(GPF),and reviews the effect of soot accumulation in GPF on filtration efficiency,back pressure and regeneration performance,and provides an outlook on the future development of GPF.
【Key words】GDI;GPF;soot loading;filtration efficiency;back pressure;regeneration
1 引言
在經(jīng)濟(jì)蓬勃發(fā)展的背景下,中國(guó)汽車工業(yè)快速發(fā)展,機(jī)動(dòng)車的產(chǎn)量和保有量逐年上升,能源短缺和環(huán)境污染問(wèn)題日益突出。(剩余7638字)