The use of sealant materials to improve interior acoustics has increased significantly in todays automobiles. One such application is to use expandable sealant materials in rails, pillars, and cavities to reduce noise propagation. However, there is no standardized method for evaluating the acoustical performance of these materials. This paper reviews the basics of noise control engineering and discusses a proposed laboratory based test methodology that has been developed for properly evaluating the acoustical performance of expandable sealant materials. The test method is intended to simulate actual applications so that different materials can be evaluated to achieve optimum acoustical performance within a channel representing the rails or pillars in automobiles.


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    Title :

    Evaluating acoustical performance of expandable sealant materials


    Additional title:

    Die Bewertung des akustischen Leistungsverhaltens von dehnbaren Dichtungsmaterialien für Innenräume von Automobilen


    Contributors:
    Saha, P. (author) / Myers, R.D. (author)

    Published in:

    Publication date :

    1993


    Size :

    9 Seiten, 12 Bilder



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Evaluating acoustical performance of expandable sealant materials

    Saha,P. / Myers,R.D. / Kolano and Saha Engineers,US et al. | Automotive engineering | 1993


    Evaluating Acoustical Performance of Expandable Sealant Materials

    Saha, Pranab / Myers, Robert D. | SAE Technical Papers | 1993


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