On a 1.0 liter engine, the underbody standard ceramic converter was replaced by a close-coupled converter with a ceramic thinwall substrate. The goals were to meet future emissions regulations (Euro 3) and to reduce light-off time maintaining engine performance.The design was conducted based on modeling data. Converter back pressure, heat-up, conversion efficiency as well as the converter external temperatures were predicted. The exhaust gas flow velocity was analysed with CFD modeling to check the distribution of the exhaust gas through the manifold geometrie and through the substrate.


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    Title :

    Close-Coupled Converter Modeling with a Thinwall Substrate for a Gasoline Engine


    Additional title:

    Sae Technical Papers


    Contributors:
    Knon, H. (author)

    Conference:

    International Mobility Technology Conference and Exhibit ; 2001



    Publication date :

    2001-03-05




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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