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.
An inverse aerodynamic design method for rotor blades
Eine inverse aerodynamische Auslegungsmethode für Hubschrauberrotorblätter
Journal of the American Helicopter Society ; 42 , 4 ; 321-326
1997
6 Seiten, 16 Bilder, 12 Quellen
Article (Journal)
English
An Inverse Aerodynamic Design Method for Rotor Blades
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