Nowadays, electrical actuators are widespread in aeronautical applications with the development of the more electric aircraft. Electro-active materials offer opportunities in the activation of various control surfaces within a wide range of frequencies. On one hand, a theoretical analysis of SMA (Shape Memory Alloys) capabilities in the field of quasi-static wing shape control is presented. On the other hand, an experimental study concerning friction drag reduction for a supersonic aircraft is dealt with. The aim is the control of turbulent streaks with spanwise travelling wave. A piezoelectric demonstrator was designed for wind-tunnel testing at different configurations of frequency and wave-length.


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    Title :

    Electroactive wing: Towards novel actuation concepts


    Additional title:

    Elektroaktive Flügel: Neue Aktorkonzepte in der Luftfahrttechnik


    Contributors:
    Renotte, A. (author) / Duval, J. (author) / Nogarede, B. (author)


    Publication date :

    2004


    Size :

    4 Seiten, 5 Bilder, 2 Tabellen, 10 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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