Danny R. Hoad

• Background noise measurements from jet exit vanes designed to reduce flow pulsations in an open-jet wind tunnel
• Helicopter blade-vortex interaction locations
• Helicopter blade-vortex interaction locations - scale-model acoustics and free-wake analysis results
• Rotor induced-inflow-ratio measurements and CAMRAD calculations
• Rotor performance characteristics from an aeroacoustic helicopter wind-tunnel test program
• Rotor performance characteristics from an aeroacoustics helicopter wind-tunnel test program