Results are presented from the U.S. Army-Aerostructures Directorate/NASA-Langley Research Center joint research program on helicopter crashworthiness. Through the on-going research program an in-depth understanding was developed on the cause/effect relationships between material and architectural variables and the energy-absorption capability of composite material and structure. Composite materials were found to be efficient energy absorbers. Graphite/epoxy subfloor structures were more efficient energy absorbers than comparable structures fabricated from Kevlar or aluminum. An accurate method predicting the energy-absorption capability of beams was developed.


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    Title :

    Helicopter crashworthiness research program


    Contributors:


    Publication date :

    1988-02-01


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




    Helicopter Crashworthiness Research Program

    G. L. Farley / R. L. Boitnott / H. D. Carden | NTIS | 1988


    Army Helicopter Crashworthiness

    C. H. Carper / L. T. Burrows / K. F. Smith | NTIS | 1983


    Design of Helicopter Crashworthiness

    V. Giavotto / C. Caprile / G. Sala | NTIS | 1988


    Design of Helicopter Crashworthiness

    V. Giavotto / C. Caprile / G. Sala | NTIS | 1988


    Composite Helicopter Structural Crashworthiness

    Deletombe, E. / Delsart, D. / Johnson, A. F. et al. | British Library Conference Proceedings | 1998