For the
quad tilt rotor aircraft, a computational fluid dynamics method based on
multiple reference frames (MRF) was used to analyze the influence of aerodynamic
layout parameters on the aerodynamic characteristics of the quad tilt rotor
aircraft. Firstly, a numerical simulation method for the interference flow
field of the quad tilt rotor aircraft is established. Based on this method, the
aerodynamic characteristics of isolated rotors, rotor combinations at different
lateral positions on the wing, and rotor rotation directions under different
inflow velocities were calculated and analyzed, in order to grasp their
aerodynamic interference laws and provide reference for the design and control
theory research of such aircraft.
References
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