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Engine Accelerated Aging Method Developed to Study the Effect of Lubricant Formulations on Catalyzed Gasoline Particulate Filter Durability
Technical Paper
2018-01-1804
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Catalyzed gasoline particulate filter (cGPF) is the prime technology to meet future stringent regulations for particulates from gasoline direct injection (GDI) engines. One of the technical concerns is the ultimate durability of cGPF in regards to engine lubricant formulations. This study investigated two tailored lubricant formulations on catalyzed GPFs which were aged on engine followed by emission testing on vehicle. An engine accelerated aging protocol was developed for cGPFs to simulate thermal aging, ash and soot loading that is at least equivalent to 200,000 km durability requirement. Evaluations include tailpipe emission levels, backpressure, catalytic performance, and post-mortem analysis. Both formulations have demonstrated a high level of cGPF performance retention; performance being assessed in terms of emission level at the end of durability demonstration testing. These formulations provide flexibility in selecting robust lubricant to meet various system requirements.
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Authors
- Wenzheng Xia - Kunming SPMC Co., Ltd.
- Yi Zheng - Kunming SPMC Co., Ltd.
- Xinbo Yuan - Kunming SPMC Co., Ltd.
- Dongxia Yang - Kunming SPMC Co., Ltd.
- Xiaokun He - Kunming SPMC Co., Ltd.
- Huifang Shao - Afton Chemical Corp.
- Guillaume Carpentier - Afton Chemical Corp.
- Danhua Yin - Afton Chemical Corp.
- Yinhui Wang - Afton Chemical Corp.
- Joesph Remias - Afton Chemical Corp.
- Joseph Roos - Afton Chemical Corp.
- Zenghui Yin - CATARC
Topic
Citation
Shao, H., Carpentier, G., Yin, D., Wang, Y. et al., "Engine Accelerated Aging Method Developed to Study the Effect of Lubricant Formulations on Catalyzed Gasoline Particulate Filter Durability," SAE Technical Paper 2018-01-1804, 2018, https://doi.org/10.4271/2018-01-1804.Data Sets - Support Documents
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