This study presents a one-dimensional model for the prediction of the pressure loss across a wall-flow gasoline particulate filter (GPF). The model is an extension of the earlier models of Bissett [1] and Konstandopoulos and Johnson [2] to the turbulent flow regime, which may occur at high flow rates and temperatures characteristic of gasoline engine exhaust. A strength of the proposed model is that only one parameter (wall permeability) needs to be calibrated. An experimental study of flow losses for cold and hot flow is presented, and a good agreement is demonstrated. Unlike zero-dimensional models, this model provides information about the flow along the channels and thus can be extended for studies of soot and ash accumulation, heat transfer and reaction kinetics.


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    Titel :

    Modelling Pressure Losses in Gasoline Particulate Filters in High Flow Regimes and Temperatures


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Medina, H. (Autor:in) / Saul, J. (Autor:in) / Prantoni, M. (Autor:in) / Garcia Afonso, O. (Autor:in) / Aleksandrova, S. (Autor:in) / Benjamin, S. (Autor:in)

    Kongress:

    2019 JSAE/SAE Powertrains, Fuels and Lubricants ; 2019



    Erscheinungsdatum :

    19.12.2019




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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