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Lattice Boltzmann Simulation On Flow With Soot Accumulation In Diesel Particulate Filter

Author

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  • KAZUHIRO YAMAMOTO

    (Department of Mechanical Engineering, Nagoya University, Furo-cho, Ghikusa-ku, Nagoya, Aichi 464-8603, Japan)

  • SHINGO SATAKE

    (Department of Mechanical Engineering, Nagoya University, Furo-cho, Ghikusa-ku, Nagoya, Aichi 464-8603, Japan)

  • HIROSHI YAMASHITA

    (Department of Mechanical Engineering, Nagoya University, Furo-cho, Ghikusa-ku, Nagoya, Aichi 464-8603, Japan)

  • NAOKI TAKADA

    (National Institute of Advanced Industrial Science and Technology (AIST), 1-2-1 Namiki, Tsukuba, Ibaraki 305-8564, Japan)

  • MASAKI MISAWA

    (National Institute of Advanced Industrial Science and Technology (AIST), 1-2-1 Namiki, Tsukuba, Ibaraki 305-8564, Japan)

Abstract

Since diesel exhaust gas has more ambient air pollutants such as NOx and particulate matters (PM) including soot, the special treatment for exhaust emission standards is needed. Recently, a diesel particulate filter (DPF) has been developed to reduce PM in the after-treatment of exhaust gas. However, since the structure of the filter is small and complex, it is impossible to examine the phenomena inside the filter experimentally. In this study, we conduct fluid simulation in the diesel filter. We use the lattice Boltzmann method. The soot accumulation is considered to simulate the PM trap in the filter. For the wall-boundary in the simulation, the inner structure of the filter is obtained by a 3D-CT technique. Results show complex flow pattern in the diesel filter. Due to the soot accumulation, the velocity is changed and the pressure is increased. The pressure drop becomes larger as soot concentration at the inlet is higher.

Suggested Citation

  • Kazuhiro Yamamoto & Shingo Satake & Hiroshi Yamashita & Naoki Takada & Masaki Misawa, 2007. "Lattice Boltzmann Simulation On Flow With Soot Accumulation In Diesel Particulate Filter," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 18(04), pages 528-535.
    • Handle: RePEc:wsi:ijmpcx:v:18:y:2007:i:04:n:s0129183107010760
    DOI: 10.1142/S0129183107010760
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    References listed on IDEAS

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    1. Marie-Claude Belis-Bergouignan & Gerard Bordenave & Yannick Lung, 2000. "Global Strategies in the Automobile Industry," Regional Studies, Taylor & Francis Journals, vol. 34(1), pages 41-53.
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