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Study on a New Gasoline Particulate Filter Structure Based on the Nested Cylinder and Diversion Channel Plug

Author

Listed:
  • Mingfei Mu

    (School of Transportation Science and Engineering, Beihang University, Beijing 100083, China)

  • Xinghu Li

    (School of Transportation Science and Engineering, Beihang University, Beijing 100083, China)

  • Yong Qiu

    (Propulsion System Department, Pan Asia Technical Automotive Center Co., Ltd., Shanghai 201201, China)

  • Yang Shi

    (College of Mathematics & Statistics, Hebei University of Economics and Business, Shijiazhuang 050061, China)

Abstract

Increasingly stringent emission regulations have imposed strict requirements on the particulate matter (PM) from gasoline direct injection (GDI) engines, and the gasoline particulate filters (GPFs) are considered one of the most promising devices for meeting these requirement. To reduce the flow resistance of the GPF, a type of nested cylinder and diversion channel plug (NC-DCP) GPF is designed. It is composed of nested foam metal cylinders and annular diversion channel plugs. The pressure drop and its influencing factors were theoretically studied. The results show that the structural parameters, such as the cylindrical layer spacing and the length-to-diameter ratio, and the pressure drop have trade-off relationships. Moreover, the filtration efficiency is analyzed, and the calculation formula is summarized. The internal flow field distribution and its influencing factors are discussed based on a 2-D axisymmetric simulation. The results show that the exhaust velocity affects the flow field uniformity but does not affect the flow field structure. The pressure drop gradually decreases as the number of nested layers increases, and the positive direction is beneficial to reduce the overall pressure drop. Under different velocities, there is an optimal length-to-diameter ratio to minimize the pressure drop, and the simicircular diversion plug greatly improves the flow uniformity index for the internal flow field of the filter element.

Suggested Citation

  • Mingfei Mu & Xinghu Li & Yong Qiu & Yang Shi, 2019. "Study on a New Gasoline Particulate Filter Structure Based on the Nested Cylinder and Diversion Channel Plug," Energies, MDPI, vol. 12(11), pages 1-19, May.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:11:p:2045-:d:235054
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    References listed on IDEAS

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    1. Mingfei Mu & Jonas Sjöblom & Henrik Ström & Xinghu Li, 2019. "Analysis of the Flow Field from Connection Cones to Monolith Reactors," Energies, MDPI, vol. 12(3), pages 1-20, January.
    2. Cha-Lee Myung & Juwon Kim & Wonwook Jang & Dongyoung Jin & Simsoo Park & Jeongmin Lee, 2015. "Nanoparticle Filtration Characteristics of Advanced Metal Foam Media for a Spark Ignition Direct Injection Engine in Steady Engine Operating Conditions and Vehicle Test Modes," Energies, MDPI, vol. 8(3), pages 1-17, March.
    3. Torregrosa, A.J. & Serrano, J.R. & Arnau, F.J. & Piqueras, P., 2011. "A fluid dynamic model for unsteady compressible flow in wall-flow diesel particulate filters," Energy, Elsevier, vol. 36(1), pages 671-684.
    4. E, Jiaqiang & Pham, Minhhieu & Zhao, D. & Deng, Yuanwang & Le, DucHieu & Zuo, Wei & Zhu, Hao & Liu, Teng & Peng, Qingguo & Zhang, Zhiqing, 2017. "Effect of different technologies on combustion and emissions of the diesel engine fueled with biodiesel: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 80(C), pages 620-647.
    5. Mohsin Raza & Longfei Chen & Felix Leach & Shiting Ding, 2018. "A Review of Particulate Number (PN) Emissions from Gasoline Direct Injection (GDI) Engines and Their Control Techniques," Energies, MDPI, vol. 11(6), pages 1-26, June.
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    Cited by:

    1. Zuo, Qingsong & Xie, Yong & Zhu, Guohui & Wei, Kexiang & Zhang, Bin & Chen, Wei & Tang, Yuanyou & Wang, Zhiqi, 2021. "Investigations on a new C-GPFs with electric heating for enhancing the integrated regeneration performance under critical parameters," Energy, Elsevier, vol. 225(C).
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    3. Ye, Jiahao & E, Jiaqiang & Peng, Qingguo, 2023. "Effects of porosity setting and multilayers of diesel particulate filter on the improvement of regeneration performance," Energy, Elsevier, vol. 263(PE).

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