Browsing by Author "Huang, Doudou"

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    Evaluate the performance of a camber controlled cycloidal rotor
    (2022) Huang, Doudou
    The curvature of the airfoil has a significant effect on the performance of the cycloidal rotor system. This paper aims to improve the aerodynamic performance of the cycloidal rotor system by utilizing dynamical morphing blades in a CFD model. Particularly, three different camber morphing concepts, including leading edge deflection, trailing edge deformation, and cambered NACA profile, are employed to a baseline 2-bladed system with rotating and pitching NACA0015 aerofoils. Based on these three camber concepts, a series of URANS 2-D numerical simulations in OpenFOAM are conducted for blades with different morphing degrees and positions. The simulation results verified that the flow field condition could be optimized and thus significant improvement in thrust and efficiency could be achieved by properly tuning the morphing control.