Throughout industry, accurate measurement and modeling of dynamic derivative data at high-speed conditions has been an ongoing challenge. The expansion of flight envelopes and non-conventional vehicle design has greatly increased the demand for accurate prediction and modeling of vehicle dynamic behavior. With these issues in mind, NASA Langley Research Center (LaRC) embarked on the development and shakedown of a high-speed dynamic stability test technique that addresses the longstanding problem of accurately measuring dynamic derivatives outside the low-speed regime. The new test technique was built upon legacy technology, replacing an antiquated forced oscillation system, and greatly expanding the capabilities beyond classic forced oscillation testing at both low and high speeds. The modern system is capable of providing a snapshot of dynamic behavior over a periodic cycle for varying frequencies, not just a damping derivative term at a single frequency.


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    Title :

    The Next Generation of High-Speed Dynamic Stability Wind Tunnel Testing (Invited)


    Contributors:

    Conference:

    25th AIAA Aerodynamic Measurement Technology and Ground Testing Conference ; 2006 ; San Francisco, CA, United States


    Publication date :

    2006-01-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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