The paper presents an aerodynamic optimization of a coaxial rotor system in hover and axial flight. For that purpose, a suitable theorem of calculus of variations that provides a new generic result is employed. The analysis is founded on the Blade Element-Momentum Theory, which is based on nonlinear aerodynamics and mutual (interactional) influences that are introduced by the induced downwash field of each rotor over the other. The analysis supplies an important insight into the optimal design and efficiency of coaxial rotor systems. The formulation is consistently generic and enables the exploration of a wide range of coaxial configurations.
Optimal aerodynamic design of a coaxial rotor system in hover and axial flight
Optimaler aerodynamischer Entwurf eines koaxialen Rotorsystem für Schwebe- und Axialflug
AHS International Annual Forum, 66 ; 1395-1403
2010
9 Seiten, 12 Bilder, 5 Quellen
Conference paper
English
Optimal Aerodynamic Design of a Coaxial Rotor System in Hover and Axial Flight
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