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Effect of Ash on Gasoline Particulate Filter Using an Accelerated Ash Loading Method
Technical Paper
2018-01-1258
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
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.
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Hua, L., Pan, J., MIAO, S., Gu, D. et al., "Effect of Ash on Gasoline Particulate Filter Using an Accelerated Ash Loading Method," SAE Technical Paper 2018-01-1258, 2018, https://doi.org/10.4271/2018-01-1258.Data Sets - Support Documents
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