Design and Harmonic Analysis of Helicopter Rotor Blade for Different Materials

Pothula Rajasekhar Reddy, P.Rakesh Kumar, M.venkata ramudu

Abstract


The blades of a helicopter are long, narrow airfoils with a high aspect ratio, a shape that minimizes drag from tip vortices. They for the most part contain a degree of washout that lessens the lift created at the tips, where the airflow is quickest and vortex generation. Rotor blades are made out of different materials, including aluminum, composite structure, and steel or titanium, with scraped area shields along the main edge. The helicopter rotor center point is fueled by the motor, and the rotor blades are appended to the center point. The movement of cutting edge is controlled by the helicopter rotor framework. 

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