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    Experimental Validation of the Dynamic Inertia Measurement Method to Find the Mass Properties of an Iron Bird Test Article

    Experimental Validation of the Dynamic Inertia Measurement Method to Find the Mass Properties of an Iron Bird Test Article


    The mass properties of an aerospace vehicle are required by multiple disciplines in the analysis and prediction of flight behavior. Pendulum oscillation methods have been developed and employed for almost a century as a means to measure mass properties. However, these oscillation methods are costly, time consuming, and risky. The NASA Armstrong Flight Research Center has been investigating the Dynamic Inertia Measurement, or DIM method as a possible alternative to oscillation methods. The DIM method uses ground test techniques that are already applied to aerospace vehicles when conducting modal surveys. Ground vibration tests would require minimal additional instrumentation and time to apply the DIM method. The DIM method has been validated on smaller test articles, but has not yet been fully proven on large aerospace vehicles.

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    Titel :

    Experimental Validation of the Dynamic Inertia Measurement Method to Find the Mass Properties of an Iron Bird Test Article

    Beteiligte:
    A. W. Chin (Autor:in) / C. Y. Herrera (Autor:in) / N. D. Spivey (Autor:in) / W. A. Fladung (Autor:in) / D. Cloutier (Autor:in)
    Erscheinungsdatum :

    2015

    Format / Umfang :

    22 pages

    Medientyp :

    Report

    Format :

    Keine Angabe

    Sprache :

    Englisch

    Schlagwörter :

    Civil Engineering , Aircraft , Test Facilities & Equipment , Aerospace vehicles , Inertia , Ground tests , Vibration tests , Moments of inertia , Flight characteristics , Center of gravity , Frequency response , Pendulums , Support systems , Structural analysis

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