Near-field noise reduction of a ducted helicopter tail rotor due to a modified stator vane geometry

Keyphrases

• Noise Reduction 100%
• Near-field Noise 100%
• Stator Vanes 100%
• Helicopter Tail Rotor 100%
• Vane Geometry 100%
• Rotor Blade 66%
• Aerodynamics 66%
• Blade pitch Angle 66%
• Three-dimensional (3D) 33%
• Negative Influence 33%
• Noise Level 33%
• Numerical Comparison 33%
• Navier-Stokes Equations 33%
• Flight Condition 33%
• Stator 33%
• Single Passage 33%
• Flow Solver 33%
• Tail Rotor 33%
• Stage Performance 33%
• Aeroacoustics 33%
• Noise Generation 33%
• Fully Turbulent 33%
• Hovering Flight 33%
• Reference Configuration 33%
• Vane 33%
• Shaft Power 33%
• Steady-state Calculation 33%
• Acoustic Near Field 33%
• Unsteady Flow Field 33%
• Ducted Fan 33%
• Stage Characteristics 33%
• Stage Acoustics 33%
• Unsteady Calculation 33%
• Global Parameters 33%

Engineering

• Noise Field 100%
• Rotors 100%
• Pitch Angle 66%
• Rotor Blade 66%
• Aerodynamics 66%
• Thrust Power 33%
• Reference Configuration 33%
• Unsteady Flow 33%
• Flow Solver 33%
• Global Parameter 33%
• Shaft Power 33%
• Flight Condition 33%
• Noise Level 33%
• Ducted Fan 33%
• Boundary Condition 33%
• Flow Distribution 33%
• Navier-Stokes Equation 33%