A tactical missile instrumented with pressure and acceleration sensors was flown on a fighter aircraft to help characterize the 'in carriage' flight environment. The pressure data has been analyzed with two techniques to determine if a simple, yet appropriate, model can be used to model forces applied to a structural finite element model. Analysis has revealed a nearly uniform 'convection' of narrow-band random forces along the missile, indication a highly coherent aerodynamic structure. The circumferential distribution of the standard deviation of measured pressures which tend to 'swirl' along the missile seem to indicate the existence of shed vortex-related 'swirl' of the aerodynamic excitation. Lateral vibration of the missile has been analyzed using finite element method, both with and without an accounting for correlation (convection and swirl) within the aerodynamic excitation. In some cases these effects may be extremly important.


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    Title :

    Response of a tactical missile to aerodynamic excitation


    Additional title:

    Reaktion einer taktischen Rakete auf aerodynamische Anregung


    Contributors:
    Ewing, M.S. (author)


    Publication date :

    1995


    Size :

    8 Seiten, 6 Bilder, 9 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English





    Response of A Tactical Missile to Aerodynamic Excitation

    Ewing, M. / American Institute of Aeronautics and Astronautics| ASME| ASCE | British Library Conference Proceedings | 1995




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