Numerical calculation and analysis of aero-acoustic characteristics of tilt rotor in different tilt angles
Mingchuan YUAN,
Huixun SUN,
Zhibin LI
et al.
Abstract:The numerical calculation model for the aero-acoustic analysis of a tilt rotor was established by combining the free wake method and the FW-H (Ffowcs Williams-Hawkings) equation. The numerical method was validated by using the tilt rotor′s aero-acoustic test results. The aero-acoustic characteristics of dual tilt rotors that take into account the force and moment trim of an aircraft in its typical transition path were calculated. The unsteady air load of a rotor blade and its noise data in different observatio… Show more
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