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A fluid dynamic model for unsteady compressible flow in wall-flow diesel particulate filters

Author

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  • Torregrosa, A.J.
  • Serrano, J.R.
  • Arnau, F.J.
  • Piqueras, P.

Abstract

The use of particulate filters (DPF) in Diesel engines has become in recent years the standard technology for the control of soot aerosol emissions. Once emissions reduction through the management of filtration and regeneration aspects has reached its maturity, the effect of the system location on engine performance and acoustics are key topics to be addressed. In this paper, a fluid dynamic model for wall-flow monolith filters is described in which non-homentropic one-dimensional unsteady compressible flow is considered. The good agreement with experimental data confirms that the model is able to describe the mechanisms contributing to the pressure drop across the whole filter under steady and impulsive flow conditions. The approach of the flow governing equations provides a reliable evaluation of the contributions to the pressure drop with axial resolution in the description of the flow field properties. In addition, the frequency response predicted by the model confirms its ability to evaluate the dynamic response and acoustic potential of the DPF.

Suggested Citation

  • 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.
    • Handle: RePEc:eee:energy:v:36:y:2011:i:1:p:671-684
    DOI: 10.1016/j.energy.2010.09.047
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    References listed on IDEAS

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    1. Piscaglia, F. & Ferrari, G., 2009. "A novel 1D approach for the simulation of unsteady reacting flows in diesel exhaust after-treatment systems," Energy, Elsevier, vol. 34(12), pages 2051-2062.
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    Citations

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    Cited by:

    1. Mingfei Mu & Jonas Sjöblom & Nikhil Sharma & Henrik Ström & Xinghu Li, 2019. "Experimental Study on the Flow Field of Particles Deposited on a Gasoline Particulate Filter," Energies, MDPI, vol. 12(14), pages 1-18, July.
    2. Jiaqiang, E & Zhao, Xiaohuan & Xie, Longfu & Zhang, Bin & Chen, Jingwei & Zuo, Qingsong & Han, Dandan & Hu, Wenyu & Zhang, Zhiqing, 2019. "Performance enhancement of microwave assisted regeneration in a wall-flow diesel particulate filter based on field synergy theory," Energy, Elsevier, vol. 169(C), pages 719-729.
    3. Tsuneyoshi, Koji & Yamamoto, Kazuhiro, 2013. "Experimental study of hexagonal and square diesel particulate filters under controlled and uncontrolled catalyzed regeneration," Energy, Elsevier, vol. 60(C), pages 325-332.
    4. Zhao, Xiaohuan & Jiang, Jiang & Zuo, Hongyan & Jia, Guohai, 2023. "Soot combustion characteristics of oxygen concentration and regeneration temperature effect on continuous pulsation regeneration in diesel particulate filter for heavy-duty truck," Energy, Elsevier, vol. 264(C).
    5. Macián, V. & Serrano, J.R. & Piqueras, P. & Sanchis, E.J., 2019. "Internal pore diffusion and adsorption impact on the soot oxidation in wall-flow particulate filters," Energy, Elsevier, vol. 179(C), pages 407-421.
    6. Serrano, José Ramón & Arnau, Francisco José & Piqueras, Pedro & García-Afonso, Óscar, 2013. "Packed bed of spherical particles approach for pressure drop prediction in wall-flow DPFs (diesel particulate filters) under soot loading conditions," Energy, Elsevier, vol. 58(C), pages 644-654.
    7. Rodríguez-Fernández, José & Lapuerta, Magín & Sánchez-Valdepeñas, Jesús, 2017. "Regeneration of diesel particulate filters: Effect of renewable fuels," Renewable Energy, Elsevier, vol. 104(C), pages 30-39.
    8. Seok, Jungmin & Chun, Kwang Min & Song, Soonho & Lee, Jeongmin, 2014. "An empirical study of the dry soot filtration behavior of a metal foam filter on a particle number concentration basis," Energy, Elsevier, vol. 76(C), pages 949-957.
    9. 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.
    10. Luján, José Manuel & Bermúdez, Vicente & Piqueras, Pedro & García-Afonso, Óscar, 2015. "Experimental assessment of pre-turbo aftertreatment configurations in a single stage turbocharged diesel engine. Part 1: Steady-state operation," Energy, Elsevier, vol. 80(C), pages 599-613.
    11. Lapuerta, Magín & Rodríguez-Fernández, José & Oliva, Fermín, 2012. "Effect of soot accumulation in a diesel particle filter on the combustion process and gaseous emissions," Energy, Elsevier, vol. 47(1), pages 543-552.
    12. 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.
    13. Torregrosa, Antonio José & Serrano, José Ramón & Piqueras, Pedro & García-Afonso, Óscar, 2017. "Experimental and computational approach to the transient behaviour of wall-flow diesel particulate filters," Energy, Elsevier, vol. 119(C), pages 887-900.
    14. Zhang, Bin & E, Jiaqiang & Gong, Jinke & Yuan, Wenhua & Zuo, Wei & Li, Yu & Fu, Jun, 2016. "Multidisciplinary design optimization of the diesel particulate filter in the composite regeneration process," Applied Energy, Elsevier, vol. 181(C), pages 14-28.
    15. Serrano, J.R. & Climent, H. & Piqueras, P. & Angiolini, E., 2014. "Analysis of fluid-dynamic guidelines in diesel particulate filter sizing for fuel consumption reduction in post-turbo and pre-turbo placement," Applied Energy, Elsevier, vol. 132(C), pages 507-523.
    16. 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.
    17. Luján, José Manuel & Serrano, José Ramón & Piqueras, Pedro & García-Afonso, Óscar, 2015. "Experimental assessment of a pre-turbo aftertreatment configuration in a single stage turbocharged diesel engine. Part 2: Transient operation," Energy, Elsevier, vol. 80(C), pages 614-627.
    18. 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.
    19. Payri, F. & Broatch, A. & Serrano, J.R. & Piqueras, P., 2011. "Experimental–theoretical methodology for determination of inertial pressure drop distribution and pore structure properties in wall-flow diesel particulate filters (DPFs)," Energy, Elsevier, vol. 36(12), pages 6731-6744.
    20. Bermúdez, Vicente & Serrano, José Ramón & Piqueras, Pedro & Campos, Daniel, 2015. "Analysis of the influence of pre-DPF water injection technique on pollutants emission," Energy, Elsevier, vol. 89(C), pages 778-792.
    21. Bermúdez, V. & Serrano, J.R. & Piqueras, P. & García-Afonso, O., 2015. "Pre-DPF water injection technique for pressure drop control in loaded wall-flow diesel particulate filters," Applied Energy, Elsevier, vol. 140(C), pages 234-245.
    22. Tsuneyoshi, Koji & Yamamoto, Kazuhiro, 2012. "A study on the cell structure and the performances of wall-flow diesel particulate filter," Energy, Elsevier, vol. 48(1), pages 492-499.

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