Aspirating airbag modules are unique from other designs in that the gas entering the airbag is a mixture of inflator-delivered gas and ambient-temperature air entrained from the atmosphere surrounding the module. Today's sophisticated computer simulations of an airbag deployment typically require as input the mass-flow rate, chemical composition and thermal history of the gas exiting the canister and entering the airbag. While the mass-flow rate and temperature of the inflator-delivered gas can be obtained from a standard tank test, information on air entrainment into an aspirated canister is limited. The purpose of this study is to provide quantitative information about the aspirated mass-flow rate during airbag deployment. Pressure and velocity measurements are combined with high-speed photography in order to gain further insight into the relationship between the canister pressure, the rate of cabin-air entrainment and the airbag deployment. Fully instrumented, production level aspirating airbag modules serve as the principal test device.


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    Titel :

    Experimental Analysis of Aspirating Airbag Units


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Yu, C. S. (Autor:in) / Wang, J. T. (Autor:in) / Chen, L. D. (Autor:in) / Butler, P. B. (Autor:in) / Green, P. W. (Autor:in) / Lee, Y. G. (Autor:in)

    Kongress:

    International Congress & Exposition ; 1999



    Erscheinungsdatum :

    1999-03-01




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Experimental Analysis of Aspirating Airbag Units

    Green, P. W. / Yu, C. S. / Butler, P. B. et al. | British Library Conference Proceedings | 1999


    Experimental analysis of aspirating airbag units

    Green,P.W. / Yu,C.S. / Butler,P.B. et al. | Kraftfahrwesen | 1999


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    SMITH BRADLEY W / WILLIAMS JEFFERY D | Europäisches Patentamt | 2018

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