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Technical Note: Estimate of Rotor Controls and Blade Flapping Caused by an Orthogonal Vortex Disturbance

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Based on blade element/momentum theory the aerodynamic impact on rotor controls and blade flapping caused by a straight line vortex penetrating orthogonally the plane of a rotor disk is solved… Click to show full abstract

Based on blade element/momentum theory the aerodynamic impact on rotor controls and blade flapping caused by a straight line vortex penetrating orthogonally the plane of a rotor disk is solved using a realistic swirl velocity profile. The collective and cyclic controls needed for disturbance rejection and the coning and cyclic flapping motion developing are computed.

Keywords: controls blade; rotor controls; rotor; flapping caused; blade flapping; disturbance

Journal Title: Journal of The American Helicopter Society
Year Published: 2018

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