A numerical analysis method is developed for predicting the pressure fluctuations on the front side window surface, aiming at the elucidation of the external aerodynamic flow structure about the front pillar of a road vehicle. The simulated results are assessed by comparison with the acoustic theory and reveal fairly well the dependence of the predicted surface pressure fluctuations upon the vehicle cruising speed with the sixth power law. The features of three dimensional vortical flow are clarified from the analysis of the simulated results, indicating the strong relationship between the vortical formation and the external pressure fluctuations on the front side window surface. The external pressure fluctuations seem to be strongly related to the vortex breakdown during its interaction with the front side window and the roof-side window junction.


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    Titel :

    A Numerical Study of Wind Noise Around Front Pillar


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Miyata, Hideaki (Autor:in) / Terada, Ikuo (Autor:in) / Aoki, Kiyohira (Autor:in) / Zhu, Ming (Autor:in) / Hanaoka, Yuji (Autor:in)

    Kongress:

    International Congress & Exposition ; 1993



    Erscheinungsdatum :

    1993-03-01




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    A numerical study of wind noise around Front pillar

    Zhu,M. / Hanaoka,Y. / Aoki,K. et al. | Kraftfahrwesen | 1993


    Numerical Prediction of Wind Noise Around the Front Pillar of a Car-Like Body

    Miyata, Hideaki / Zhu, Ming / Hanaoka, Yuji | SAE Technical Papers | 1993


    Numerical prediction of wind noise around the front pillar of a car-like body

    Hanoaka,Y. / Zhu,M. / Miyata,H. et al. | Kraftfahrwesen | 1993


    Numerical Prediction of Wind Noise Around the Front Pillar of a Car-Like Body

    Hanaoka, Y. / Zhu, M. / Miyata, H. et al. | British Library Conference Proceedings | 1993


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