The muffler layout in the exhaust system has been optimized for the attenuation of exhaust noise which has not been studied much to this date. As a result, “Exhaust Manifold Muffler” has been developed. This unit is capable of efficiently muffling the primary and secondary componemts of the engine explosion stroke noise. Such task is achieved without deterioration of engine performance by allocating the volume at the junction of the exhaust manifold branch pipes.Acoustic characteristics of “Exhaust Manifold Muffler” have been analyzed by FEM and experimental methods, which have shown that not only does the volume placed at the junction of the exhaust manifold branch pipes work as a conventional muffler, but also prevents the exhaust manifold branch pipes from amplifying exhaust noise. This is the reason why “Exhaust Manifold Muffler” can muffle more efficiently than the conventional muffler.


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    Titel :

    Development of Exhaust Manifold Muffler


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Hosomi, Mikiya (Autor:in) / Ogawao, Sumio (Autor:in) / Imagawa, Toshiyuki (Autor:in) / Hokazono, Yuichi (Autor:in)

    Kongress:

    International Congress & Exposition ; 1993



    Erscheinungsdatum :

    1993-03-01




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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