Aerodynamic force measurements and a flow field survey were performed on two original non-planar rotor pairs in order to investigate the effect of wind disturbances on aerodynamic performance at low Reynolds numbers and provide effective data for the design of a rotor system for a small unmanned aerial vehicles with different disk plane angles φ and rotor spacing ratios S/D. Experiments were performed on a test-platform based on the use of two proposed rotor pairs which permit characterization of the aerodynamic performance as a function of wind turbulence with a frequency in the range from approximately 0 to 4 m/s. The measurement results show that variations in wind speed cause large variation in the mean values of the lift force and power consumption. The combined optimal configuration is S/ D = 1.0 with φ = 50 deg for the non-planar rotor systems with good wind resistance.
Journal of Intelligent & Robotic Systems – Springer Journals
Published: Jan 21, 2017
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