The study employed the rig test method for the intake/exhaust noise investigation by using shaker. This article describes two case studies including 1.2 liter minivan and a 250 c.c. motorcycle. For the minivan case, it was verified that along with the reduction of 5∼8 dB(A) of intake noise the interior noise was also improved using the rig test optimization result. For the motorcycle case, It was found that there was very good correlation of the exhaust noise measured among the engine dynamometer, road test and rig test after the temperature effect was compensated. Hence, the study chose the rig test as a development tool to get prompt NVH evaluation results on the different exhaust pipe lengths and keep the development time schedule. From the results, it is concluded that the simple and cheap rig test evaluation technique is vital and a very effective tool to achieve the vehicle NVH development goal.


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    Titel :

    Intake/ Exhaust Noise Reduction with Rig Test Optimization – Case Studies


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Jen, Ming Une (Autor:in) / Lu, Ming-Hung (Autor:in)

    Kongress:

    Noise & Vibration Conference & Exposition ; 1999



    Erscheinungsdatum :

    1999-05-17




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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