Although automobile lightweight technology is the R&D focus of automotive engineering at current, it brings little attention in automotive industry for the lightweight technology of the interior trim and sound package material. Furthermore, there are less research and engineering application on it. This paper presents a control process and mechanism of sound package lightweight development, which is aimed at NVH performance and explains the specific methods in used. The paper illustrates a new feasible scheme of lightweight project, with a case of 2,500 g/mm2 dash insulator. Considering the actual engineering factors of dash leakage effect, etc., the statistic energy analysis (SEA) simulation and experiment results show the improvement of the sound quality performance of interior automobile with approximately 55 % decrease of the weight. This paper contributes to improve the understanding level and engineering application for sound package lightweight development in automotive industry.


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    Title :

    The Vehicle NVH Development and Engineering Application of the Lightweight Sound Package


    Contributors:
    Zhang, Jun (author) / Zhu, Guanni (author) / Zhang, Xiaoxuan (author) / Liu, Hongyu (author) / Liu, Congguang (author)


    Publication date :

    2015


    Size :

    10 Seiten





    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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