| Aerodynamic performance enhancement of cycloidal rotor according to blade pivot point movement and preset angle adjustment
In Seong Hwang · Seung Jo Kim
International Journal of Aeronautical and Space Sicences, vol. 9, no. 2, pp.58-63, 2008
Abstract : This paper describes aerodynamic performance enhancement of cycloidal rotor according to the blade pivot point movement and the blade preset angle adjustment. Cycloidal blade system which consists of several blades rotating about an axis in parallel direction and changing its pitch angle periodically, is a propulsion mechanism of a new concept vertical take off and landing aircraft, cyclocopter. Based on the designed geometry of cyclocopter, numerical analysis was carried out by a general purpose commercial CFD program, STAR-CD. According to tills analysis, the efficiency of cycloidal rotor could be improved more than 15% by the introduced methods.
Keyword : Cyclocopter, cycloidal blade system, blade pivot point, preset angle |
