The flight dynamics and stability of a kite with a single main line flying in steady and unsteady wind conditions are discussed. A simple dynamic model with five degrees of freedom is derived with the aid of Lagrangian formulation, which explicitly avoids any constraint force in the equations of motion. The longitudinal and lateral-directional modes and stability of the steady flight under constant wind conditions are analyzed by using both numerical and analytical methods. Taking advantage of the appearance of small dimensionless parameters in the model, useful analytical formulas for stable-designed kites are found. Under nonsteady wind-velocity conditions, the equilibrium state disappears and periodic orbits occur. The kite stability and an interesting resonance phenomenon are explored with the aid of a numerical method based on Floquet theory.


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    Title :

    Flight Dynamics and Stability of Kites in Steady and Unsteady Wind Conditions



    Published in:

    Publication date :

    2015




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English



    Classification :

    BKL:    55.50 Luftfahrzeugtechnik / 55.50
    Local classification TIB:    770/7040



    Flight Dynamics and Stability of Kites in Steady and Unsteady Wind Conditions

    Salord Losantos, L. / Sánchez-Arriaga, G. | AIAA | 2014


    Wind power through kites

    Goela, J.S. | Tema Archive | 1979


    Kites

    Moulton, R. | TIBKAT | 1978