Experimental and numerical investigations on rotor noise in axial descending flight

Keyphrases

• Numerical Investigation 100%
• Rotor Noise 100%
• Descending Flight 100%
• Vortex Ring 66%
• Noise Generation Mechanism 66%
• Acoustic Spectrum 66%
• Rotational Speed 33%
• Aerodynamics 33%
• Numerical Simulation 33%
• Flow Structure 33%
• Axial Direction 33%
• Surface Mounting 33%
• Aerodynamic Force 33%
• Formation Process 33%
• Near-field 33%
• Aeroacoustics 33%
• Unsteady Vortex 33%
• Aerodynamic Sound 33%
• Noise Source 33%
• Aerodynamic Noise 33%
• Significant Loss 33%
• Blade Passing Frequency 33%
• Turbulent Wake 33%
• Interaction Process 33%
• Force Spectrum 33%
• Wake Structure 33%
• Source Analysis 33%
• Generation Characteristics 33%
• Drone 33%
• Noise Features 33%
• Delayed Detached Eddy Simulation 33%
• Flight State 33%
• Blade Surface 33%
• Rotor Torque 33%
• Aeroacoustic Characteristic 33%
• Anechoic Wind Tunnel 33%
• Rotor Thrust 33%
• Drone Rotor 33%
• Thrust Fluctuation 33%
• Blade-wake Interaction 33%
• Two-bladed 33%
• Simulation-based 33%
• Radiation Directivity 33%

Engineering

• Rotors 100%
• Descending Flight 100%
• Experimental Result 66%
• Drone 66%
• Simulation Result 66%
• Vortex 66%
• Numerical Approach 33%
• Rotational Speed 33%
• Noise Source 33%
• Axial Direction 33%
• Blade Passing Frequency 33%
• Direction Perpendicular 33%
• Detached Eddy Simulation 33%
• Blade Surface 33%
• Leading Edge 33%
• Flow Structure 33%
• Directivity 33%
• Rotation Plane 33%
• Harmonics 33%
• Aerodynamic Noise 33%
• Aerodynamic Force 33%
• Aerodynamics 33%
• Tunnel 33%

Physics

• Vortex Ring 100%
• Aeroacoustics 100%
• Rotor Noise 100%
• Aerodynamic Force 50%
• Aerodynamics 50%
• Wind Tunnels 50%
• Aerodynamic Noise 50%
• Directivity 50%
• Harmonics 50%