Theoretical and experimental developments in the aeroelastic and aeromechanical stability of helicopters and tilt-rotor aircraft are addressed. Included are the underlying nonlinear structural mechanics of slender rotating beams, necessary for accurate modeling of elastic cantilever rotor blades, and the development of dynamic inflow, an unsteady aerodynamic theory for low frequency aeroelastic stability applications. Analytical treatment of isolated rotor stability in hover and forward flight, coupled rotor-fuselage stability are considered. Results of parametric investigations of system behavior are presented, and correlations between theoretical results and experimental data from small- and large-scale wind tunnel and flight testing are discussed.


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    Titel :

    Survey of Army/NASA (National Aeronautics and Space Administration) Rotorcraft Aeroelastic Stability Research


    Beteiligte:
    R. A. Ormiston (Autor:in) / W. G. Warmbrodt (Autor:in) / D. H. Hodges (Autor:in) / D. A. Peters (Autor:in)

    Erscheinungsdatum :

    1988


    Format / Umfang :

    183 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch