There have been several methods developed to measure film thickness, but most are not practical because they require physical disturbances of the material or flow by probe insertion. The tread-deflection measurement system was developed to investigate the transient response of a sliding tire as it encounters a change in free waterfilm thickness. The system is capable of measuring transient deflection changes in the contact region of a tire within one millisecond intervals. The system consists of seven capacitive sensors which are fixed to the inside surface of a tire and control the frequency output of integrated function generators which will accurately measure variable-induced displacements of less than 250 micro-inches. This system provides data in a form which enables evaluation of tire footprint shapes as a function of time for both steady state and transient hydroplaning conditions.


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    Titel :

    A Tread-Deflection Measurement System Utilized in Tire Hydroplaning Studies


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Henry, J. J. (Autor:in) / Benson, W. (Autor:in) / Adams, W. S. (Autor:in)

    Kongress:

    1980 Automotive Engineering Congress and Exposition ; 1980



    Erscheinungsdatum :

    1980-02-01




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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