Computations of Torque-Balanced Coaxial Rotor Flows | Zendy

Steven Yoon | Zendy; William Chan | Zendy; Thomas H. Pulliam | Zendy

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Computations of Torque-Balanced Coaxial Rotor Flows

Author(s) -

Steven Yoon,

William Chan,

Thomas H. Pulliam

Publication year - 2017

Publication title -

54th aiaa aerospace sciences meeting

Language(s) - English

Resource type - Conference proceedings

DOI - 10.2514/6.2017-0052

Subject(s) - coaxial , torque , rotor (electric) , computation , computer science , stall torque , control theory (sociology) , mechanics , mechanical engineering , direct torque control , physics , engineering , electrical engineering , induction motor , artificial intelligence , algorithm , thermodynamics , telecommunications , voltage , control (management)

Interactional aerodynamics has been studied for counter-rotating coaxial rotors in hover. The effects of torque balancing on the performance of coaxial-rotor systems have been investigated. The three-dimensional unsteady Navier-Stokes equations are solved on overset grids using high-order accurate schemes, dual-time stepping, and a hybrid turbulence model. Computational results for an experimental model are compared to available data. The results for a coaxial quadcopter vehicle with and without torque balancing are discussed. Understanding interactions in coaxial-rotor flows would help improve the design of next-generation autonomous drones.

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