An experimental study of the acoustic characteristics of automotive catalytic converters is presented. The investigation addresses the effects and relative importance of the elements comprising a production catalytic converter assembly including the housing, substrate, mat and seals. Attenuation characteristics are measured for one circular and one oval catalytic converter geometry, each having 400 cell per square inch substrates. For each geometry, experimental results are presented to address the effect of individual components in isolation, and in combination with other assembly components. Additional experiments investigate the significance of acoustic paths around the substrate and through the peripheral wall of the substrate. The experimental results are compared to address the significance of each component on the overall attenuation.


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    Titel :

    Acoustic Characteristics of Automotive Catalytic Converter Assemblies


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Selamet, A. (Autor:in) / Miazgowicz, K. D. (Autor:in) / Tallio, K. V. (Autor:in) / Dickey, N. S. (Autor:in) / Radavich, P. M. (Autor:in) / Parks, S. J. (Autor:in)

    Kongress:

    SAE 2004 World Congress & Exhibition ; 2004



    Erscheinungsdatum :

    2004-03-08




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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