An aerodynamic design methodology for multipoint design of helicopter rotors is presented. This technique allows the designer to prescribe surface pressure distributions at a number of radial and azimuthal locations. The design process generates airfoil sections that will meet these targets in a least squares sense. Sample results are presented for a rotor in hover and a rotor in forward flight. It is demonstrated that this approach can be used either to increase the thrust coefficient or reduce torque requirements, in hover and forward flight.


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    Title :

    An inverse aerodynamic design method for rotor blades


    Additional title:

    Eine inverse aerodynamische Auslegungsmethode für Hubschrauberrotorblätter


    Contributors:
    Tapia, F. (author) / Sankar, L.N. (author) / Schrage, D.P. (author)

    Published in:

    Publication date :

    1997


    Size :

    6 Seiten, 16 Bilder, 12 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English






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