To meet the future emission targets for Diesel engines, one trend is the use of Catalyzed Diesel Particulate Filters (CDPF). Catalyzing the filter, however, alters filter behavior. In particular, alteration in filter permeability imparts a significant change in the filter's performance.To understand the impact of the catalyst coating on a DPF, engine tests have been conducted to measure the pressure drop across DPFs with different catalyst coatings, cell densities, and soot loadings. The tests were performed over a range of engine speeds and loads, with a corresponding range in exhaust flow rates and temperatures. A pressure drop model based on previous work for uncatalyzed filters has been modified and validated for CDPFs. To achieve optimum design for DPF's, a parametric study comparing the influence of catalyst, cell density, wall thickness, filter length and diameter was done.


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    Titel :

    Prediction and Validation of Pressure Drop for Catalyzed Diesel Particulate Filters


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Steinbrueck, Ed (Autor:in) / Anderson, Michael (Autor:in) / Flörchinger, Peter (Autor:in) / Angelo, Ted (Autor:in) / Taubert, Todd (Autor:in) / Hou, Zhixin (Autor:in)

    Kongress:

    SAE 2003 World Congress & Exhibition ; 2003



    Erscheinungsdatum :

    03.03.2003




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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