The applicability and effectiveness of three novel coiled bender piezoelectric actuators to the problem of deflecting a trailing edge plain flap on a straight wing in the presence of incompressible flow air-loads is investigated in this paper through analytical modelling. This work builds upon previous research in which the three actuator configurations, the linear spiral type, the helicoidal type and the hybrid type, have been proposed and analytically modelled, and the first two configurations have been experimentally validated. A simple analytical model for the piezoelectrically actuated flap is developed and used for this investigation. Results show that the use of coiled piezoelectric actuators for flap deflection is an effective approach. The variation of flap deflection angles with applied actuation voltage and wing angle of attack is also shown, together with performance envelopes.


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    Title :

    Modeling and analysis of active flap using coiled bender piezoelectric actuators


    Additional title:

    Modellierung und Analyse aktiver Klappen mit gewickelten, biegsamen piezoelektrischen Stellgliedern


    Contributors:


    Publication date :

    2004


    Size :

    14 Seiten, 10 Bilder, 30 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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