Application of active controls technology to reduce aeroelastic response offers a potential for significant payoffs in terms of aerodynamic efficiency and structural weight. As part of the NASA Energy Efficient Transport program, the impact upon flutter and gust load characteristics has been investigated by means of analysis and low-speed wind tunnel tests of a semispan model. The model represents a DC-10 derivative with increased wing span and an active aileron surface, responding to vertical acceleration at the wing tip. A control law satisfying both flutter and gust load constraints is presented and evaluated. In general, the beneficial effects predicted by analysis are in good agreement with experimental data.


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    Title :

    Wind tunnel investigation of active controls technology applied to a DC-10 derivative


    Contributors:

    Conference:

    Structures, Structural Dynamics, and Materials Conference ; 1980 ; Seattle, WA


    Publication date :

    1980-01-01


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English





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