Using advanced, multi-layer poro-elastic acoustical material modeling technologies, an example of acoustical performance optimization of an underhood sound absorber application is presented. In this case, a porous facing in combination with a fibrous sound absorber pad is optimized for maximum efficiency, which allows for dramatic reduction in pad density and weight. Overall sound absorption performance is shown to be equal or improved versus frequency relative to the incumbent design.


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    Titel :

    Density Optimization of Underhood Sound Absorber Applications


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Dinsmore, Michael (Autor:in) / Bliton, Richard (Autor:in) / Perz, Scott (Autor:in)

    Kongress:

    SAE 2011 Noise and Vibration Conference and Exhibition ; 2011



    Erscheinungsdatum :

    2011-05-17




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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