Performance improvements, of catalytic converters, and longer service life can be achieved by improving the flow distribution of exhaust gases. Computational Fluid Dynamics (CFD) is an excellent and relatively inexpensive technique for rapid and efficient optimization of the flow. Studies indicate that a 3D representation is necessary because 2D is insufficient. The computations are confirmed by measurements of steady flow. A number of design parameters are systematically investigated and their effects on an index of flow uniformity established. The parameters include the geometry of the inlet tube and inlet cone, the geometry and placement of the monoliths, and the shape of the exit cone. The difficult flow conditions in close coupled converters are examined. The flow path is improved and the best location of the HEGO-sensor found.


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    Titel :

    Optimisation of Catalytic Converter Gas Flow Distribution by CFD Prediction


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Rammoser, Detlev (Autor:in) / Terres, Frank (Autor:in) / Bressler, Harald (Autor:in) / Weltens, Herman (Autor:in) / Neumaier, Hubert (Autor:in)

    Kongress:

    International Congress & Exposition ; 1993



    Erscheinungsdatum :

    01.03.1993




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Optimisation of catalytic converter gas flow distribution by CFD prediction

    Weltens,H. / Bressler,H. / Terres,F. et al. | Kraftfahrwesen | 1993


    Optimisation of Catalytic Converter Gas Flow Distribution by CFD Prediction

    Weltens, H. / Bressler, H. / Terres, F. et al. | British Library Conference Proceedings | 1993


    Flow Distribution in a Close-Coupled Catalytic Converter

    Kim, Duk-Sang / Lee, Jong-Hwa / Min, Kyoung-Doug et al. | SAE Technical Papers | 1998


    Flow Distribution in a Close-Coupled Catalytic Converter

    Cho, Y.-S. / Kim, D.-S. / Han, M. et al. | British Library Conference Proceedings | 1998


    Flow distribution in a close-coupled catalytic converter

    Cho,Y.S. / Kim,D.S. / Han,M. et al. | Kraftfahrwesen | 1998