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  5. Helicopter tail rotors aerodynamic characteristics under cross wind blowing conditions

Helicopter tail rotors aerodynamic characteristics under cross wind blowing conditions

V.O. Shlapatskyi
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Based on a computational method which combines approaches of a vortex blade theory and a blade element theory a computational investigation of cross wind blowing influence on thrust and torque coefficients of transport helicopter variable design tail rotors is fulfilled. Variable design tail rotors aerodynamic characteristics behavior under different directions and velocities cross wind blowing conditions on a transport helicopter hovering mode particularities are revealled.
Keywords: aerodynamic characteristics – cross wind– tail rotor – helicopter