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The design of future low-noise aircraft will require an account of noise shielding as a fundamental design parameter. This aspect was already recognized in the 70s, where early experimental work set the ground on possible solutions to the conventional, short and reduced take-off and landing noise problem. The current low-noise aircraft design concepts of the hybrid-wing-body type require establishing...
The aeroacoustic phenomena characteristic of a pusher-propeller configuration and their aerodynamic causes are discussed and analysed. The configuration under study is an industrially relevant design with a wing-mounted pusher propeller, which features a close coupling of the turboshaft engines exhaust nozzles and a five-bladed propeller. The coupling of an Actuator Disc model and unsteady free wake...
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