With its advantages on cost and performance, the integrated exhaust manifold (casting with the turbine) is being used on more vehicles by auto makers. Generally, when compared with the divided exhaust manifold, the integrated exhaust manifold stands for higher vibratory excitation from gas dynamics.In this paper, the gas dynamics excitation has been computed through the GD (gas dynamics) software GT-Power which calculates the exhaust pipe surface pressure, and CFD code Star-CCM+ which calculates the turbine blade force. And the response of manifold has been solved under this excitation. On the other hand, the mechanical excitation has been computed through the MBD (multi-body dynamics) platform AVL-Excite-PU, and the responses under the gas excitation plus the mechanical load have been studied in order to analyze the effects of the fluid excitation on an integrated manifold.The results show that the pressure fluctuation has more energy input than blade force, but both of them are negligible to the exhaust manifold vibration.


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    Titel :

    The Fluid Induced Vibration Analysis on an Integrated Exhaust Manifold


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Deng, BangLin (Autor:in) / Zhang, Daming (Autor:in) / Liu, Jingping (Autor:in) / Feng, Renhua (Autor:in)

    Kongress:

    SAE 2013 World Congress & Exhibition ; 2013



    Erscheinungsdatum :

    2013-04-08




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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