Dash panel is the most important path of structure-borne and air-borne interior noise for engine-driven vehicles. Reinforcements, which are added to dash panel, are mainly designed in order to suppress the structure-borne noise contribution from the dash panel.However, the effects of dash reinforcements do not seem clear in the viewpoint of air-borne noise. In this paper, the insulation performance of a dash structure with spot-welded reinforcements is studied through several STL (Sound Transmission Loss) tests and STL simulations.The results of this study could be utilized for increasing the sound insulation performance of vehicle body structure.


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    Title :

    Study on Sound Insulation Performance of Vehicle Dash Reinforcements


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    8th International Styrian Noise, Vibration & Harshness Congress: The European Automotive Noise Conference ; 2014



    Publication date :

    2014-06-30




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Study on Sound Insulation Performance of Vehicle Dash Reinforcements

    Chae, K.-S. / Lim, S.H. / Yoo, J.W. et al. | British Library Conference Proceedings | 2014


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