A shake test was conducted in the 80 by 120 foot Wind Tunnel at NASA Ames Research Center, using a load frame and dummy weights to simulate the weight of the NASA Rotor Test Apparatus. The simulated hub was excited with broadband random excitation, and accelerometer responses were measured at various locations. The transfer functions (acceleration per unit excitation force as a function of frequency) for each of the accelerometer responses were computed, and the data were analyzed using modal analysis to estimate the model parameters.


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    Titel :

    Simulated rotor test apparatus dynamic characteristics in the 80- by 120-foot wind tunnel


    Beteiligte:
    Hoque, M. S. (Autor:in) / Peterson, R. L. (Autor:in) / Graham, T. A. (Autor:in)

    Erscheinungsdatum :

    1990-11-01


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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