31th Congress of the International Council of the Aeronautical Sciences

03.1 - Aerodynamics - CFD Methods and Validation

PERFORMANCE IMPROVEMENT OF A COMPOUND HELICOPTER ROTOR HEAD BY AERODYNAMIC SHAPE OPTIMIZATION

P. Pölzlbauer¹, D. Desvigne, Airbus Helicopters, France; C. Breitsamter¹; ¹Technical University of Munich, Germany

Within the FURADO project, the aerodynamic design optimization of a semi-watertight full-fairing rotor head for the Racer compound helicopter is conducted by means of CFD simulation. Due to the high cruising speed, aerodynamic efficiency is one of the major challenges within the demonstrator development. The expanded flight envelope represents an important innovation in the rotorcraft domain.


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