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Study on Flow and Heat Transfer Characteristics of Porous Media in Engine Particulate Filters Based on Lattice Boltzmann Method

Author

Listed:
  • Jiale Fu

    (School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300401, China)

  • Tiechen Zhang

    (School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300401, China)

  • Menghan Li

    (School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300401, China)

  • Su Li

    (School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300401, China)

  • Xianglin Zhong

    (National Engineering Laboratory for Mobile Source Emission Control Technology, China Automotive Technology & Research Center, Tianjin 300300, China)

  • Xiaori Liu

    (School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300401, China)

Abstract

To investigate the laminar flow characteristics of porous media in the inner core of engine particulate filters, a two-dimensional lattice Boltzmann–Cellular Automata (LB–CA) probabilistic model is used to simulate the flow characteristics of porous media. The variation of dimensionless permeability of various numerical structures on pore scale with Reynolds number is analyzed, and the heat transfer as well as particle filtration are considered. The results show that the flow law of different structures obeys Darcy law under the condition of low Reynolds number ( Re < 1). The dimensionless permeability coefficient of the ordered structure is significantly higher than that of the disordered structure; however. the filtration efficiency of the ordered structure decreases. With the increase of Reynolds number, the heat transfer increases. Furthermore, it is found that the particle size has a great influence on the filtration efficiency.

Suggested Citation

  • Jiale Fu & Tiechen Zhang & Menghan Li & Su Li & Xianglin Zhong & Xiaori Liu, 2019. "Study on Flow and Heat Transfer Characteristics of Porous Media in Engine Particulate Filters Based on Lattice Boltzmann Method," Energies, MDPI, vol. 12(17), pages 1-29, August.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:17:p:3319-:d:261784
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    References listed on IDEAS

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    1. Serrano, José Ramón & Climent, Héctor & Piqueras, Pedro & Angiolini, Emanuele, 2016. "Filtration modelling in wall-flow particulate filters of low soot penetration thickness," Energy, Elsevier, vol. 112(C), pages 883-898.
    2. Galindo, José & Serrano, José Ramón & Piqueras, Pedro & García-Afonso, Óscar, 2012. "Heat transfer modelling in honeycomb wall-flow diesel particulate filters," Energy, Elsevier, vol. 43(1), pages 201-213.
    3. Mohebbi, Rasul & Izadi, Mohsen & Sajjadi, Hasan & Delouei, Amin Amiri & Sheremet, Mikhail A., 2019. "Examining of nanofluid natural convection heat transfer in a Γ-shaped enclosure including a rectangular hot obstacle using the lattice Boltzmann method," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 526(C).
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    Cited by:

    1. Dingming Zheng & Lei Su & Haoyu Ou & Shijie Ruan, 2022. "Study on Heat Transfer Characteristics and Performance of the Full Premixed Cauldron Stove with Porous Media," Energies, MDPI, vol. 15(24), pages 1-23, December.
    2. Tianwang Lai & Jimin Xu & Xiangyang Liu & Maogang He, 2022. "Study of Rotation Effect on Nanofluid Natural Convection and Heat Transfer by the Immersed Boundary-Lattice Boltzmann Method," Energies, MDPI, vol. 15(23), pages 1-15, November.

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