Effect of Ash on Gasoline Particulate Filter Using an Accelerated Ash Loading Method

Gasoline particulate filter (GPF) is considered a suitable solution to meet the increasingly stringent particle number (PN) regulations for both gasoline direct injection (GDI) and multi-port fuel injection (MPI) engines. Generally, GDI engines emit more particulate matter (PM) and PN. In recent yea...

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Main Authors: Hua, Lun, Pan, Jinchong, MIAO, Shuxia, Gu, Donglin, Shao, Huifang, Wang, Yinhui, Yang, Fan, He, Suhao
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Pan, Jinchong
MIAO, Shuxia
Gu, Donglin
Shao, Huifang
Wang, Yinhui
Yang, Fan
He, Suhao
description Gasoline particulate filter (GPF) is considered a suitable solution to meet the increasingly stringent particle number (PN) regulations for both gasoline direct injection (GDI) and multi-port fuel injection (MPI) engines. Generally, GDI engines emit more particulate matter (PM) and PN. In recent years, GDI engines have gained significant market penetration in the automobile industry owing to better fuel economy and drivability. In this study, an accelerated ash loading method was tested by doping lubricating oil into the fuel for a GDI engine. Emission tests were performed at different ash loads with different driving cycles and GPF combinations. The results showed that the GPF could significantly reduce particle emissions to meet the China 6 regulation. With further ash loading, the filtration efficiency increased above 99% and the effects on fuel consumption and backpressure were found to be limited, even with an ash loading of up to 50 g/l.
doi_str_mv 10.4271/2018-01-1258
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title Effect of Ash on Gasoline Particulate Filter Using an Accelerated Ash Loading Method
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