Impact noise, inside a car, due to tire-launched gravel on the road can lead to loss of quality perception. Gravel noise is mainly caused by small-sized particles which are too small to be seen on the road by the driver. The investigation focuses on the identification of the mechanisms of excitation and transfer. The spatial distribution of the particles flying from a tire is determined, as well as the probable impact locations on the vehicle body-panels. Finally the relative noise contributions of the body-panels are estimated by adding the panel-to-ear transfer functions. This form of Transfer-Path-Analysis allows vehicle optimization and target setting on the level of the tires, exterior panel treatment and isolation.


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    Titel :

    Investigation of Gravel Noise Mechanisms and Impact Noise Transfer


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    van der Linden, P. J. G. (Autor:in) / Bonnet, S. (Autor:in) / Geluk, T. (Autor:in)

    Kongress:

    SAE 2007 Noise and Vibration Conference and Exhibition ; 2007



    Erscheinungsdatum :

    2007-05-15




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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