A new model of rotor dynamics during pitch and roll of a hovering helicopter (or a helicopter in slow axial flight) is presented. This model is based on the aerodynamic model TEMURA (Technion Model of Unsteady Rotor Aerodynamics) that has been developed during recent years. After a description of the new aerodynamic model, its application to calculate the flapping dynamics during pitch is presented. The derivation also includes the calculation of the loads that are transferred to the fuselage. The model is used to study the rotor behavior during pitch and roll. It is shown that the new model is capable of predicting correctly the helicopter off-axis response, a phenomenon that was beyond the capability of previous models.


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    Title :

    A new model of rotor dynamics during pitch and roll of a hovering helicopter


    Additional title:

    Ein neues rotordynamisches Modell zur Berechnung der Roll- und Nickbewegungen eines Hubschraubers im Gleitflug


    Contributors:
    Rosen, A. (author) / Isser, A. (author)

    Published in:

    Publication date :

    1995


    Size :

    12 Seiten, 3 Bilder, 2 Tabellen, 21 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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