Flight tests of the Gulfstream Aerospace Corporation s Quiet Spike(TradeMark) hardware were recently completed on the National Aeronautics and Space Administration Dryden Flight Research Center F-15B airplane. NASA Dryden uses a modified F-15B (836) airplane as a testbed aircraft to cost-effectively fly flight research experiments that are typically mounted underneath the airplane, along the fuselage centerline. For the Quiet Spike(TradeMark) experiment, instead of a centerline mounting, a forward-pointing boom was attached to the radar bulkhead of the airplane. The Quiet Spike(TradeMark) experiment is a stepping-stone to airframe structural morphing technologies designed to mitigate the sonic-boom strength of business jets flying over land. Prior to flying the Quiet Spike(TradeMark) experiment on the F-15B airplane several ground vibration tests were required to understand the Quiet Spike(TradeMark) modal characteristics and coupling effects with the F-15B airplane. Because of flight hardware availability and compressed schedule requirements, a "traditional" ground vibration test of the mated F-15B Quiet Spike(TradeMark) ready-for-flight configuration did not leave sufficient time available for the finite element model update and flutter analyses before flight-testing. Therefore, a "nontraditional" ground vibration testing approach was taken. This report provides an overview of each phase of the "nontraditional" ground vibration testing completed for the Quiet Spike(TradeMark) project.


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    Titel :

    Quiet Spike(TradeMark) Build-up Ground Vibration Testing Approach


    Beteiligte:
    Spivey, Natalie D. (Autor:in) / Herrera, Claudia Y. (Autor:in) / Truax, Roger (Autor:in) / Pak, Chan-gi (Autor:in) / Freund, Donald (Autor:in)

    Erscheinungsdatum :

    2007-11-01


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




    Quiet Spike(TradeMark) Build-up Ground Vibration Testing Approach

    Spivey, Natalie D. / Herrera, Claudia Y. / Truax, Roger et al. | NTRS | 2007


    Quiet Spike Build-Up Ground Vibration Testing Approach

    Spivey, Natalie D. / Herrera, Claudia Y. / Truax, Roger et al. | NTRS | 2007


    Quiet Spike Build-Up Ground Vibration Testing Approach

    Spivey, Natalie / Herrera, Claudia / Truax, Roger et al. | AIAA | 2007