The function of a rear view mirror is a determining factor in its shape - resulting in a flat rear mirrored face. The resulting bluff body generates unsteady base pressures which generate unsteady forces, leading to movement of the mirror surface and potential image blurring. The objective of this paper was to experimentally determine the fluctuating base pressure on a standard and modified mirror. Half a full-size vehicle was utilised, fixed to the side wall of a wind tunnel. A dynamically responsive multi channel pressure system was used to record the pressures. The modification to the mirror consisted of a series of extensions to the mirror rim, to see if this method would attenuate the fluctuating base pressures. It was found that increasing the length of the extension changed the pressure pattern across the face, and the over all magnitude of the fluctuations reduced with increasing length of extension. It was recommended to further the work via phase measurements.


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    Titel :

    Pressure Fluctuations on Automotive Rear View Mirrors


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Alam, Firoz (Autor:in) / Jaitlee, Rajneesh (Autor:in) / Watkins, Simon (Autor:in)

    Kongress:

    SAE World Congress & Exhibition ; 2007



    Erscheinungsdatum :

    2007-04-16




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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