Aeroacoustics
Sound Extrapolation Method for Turbulent Flows
In aeroacoustics, the far-field directivity is often computed using the integral solution of the acoustic analogy equations. The sound prediction can be rendered when the turbulent eddies move acr....
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Aircraft airframe noise: Aerodynamics and aeroacoustics of a flap side-edge
An experimental and computational investigation was carried out to determine the aerodynamics and aeroacoustics of a flap side-edge.....
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Variable impedance liners for aero-engines
Acoustic liners application within the nacelle walls is a well established passive noise damping technique in modern turbofan engine. Improved acoustic liners should be developed to improve the maximu....
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Aircraft airframe noise: Computational aeroaoustics of bogie noise
Airframe noise is one of the main noise sources during the approach phase. Flight tests have shown that for large aircraft the main landing gear (MLG) is a dominant airframe noise source . The design ....
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Aircraft airframe noise: Effect of bogie inclination on the unsteady flow field and noise production
Computational methods are used to determine the flow field around a simplified landing gear geometry and the far field noise levels generated by this flow. The focus of this research is on the influen....
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Aircraft airframe noise: Noise control of landing gear using pereforated fairings
Landing gear noise can be the dominant component of airframe noise, especially for larger aircraft. The interaction of the airflow with protrusions and cavities gives rise to unsteady flow phenomena c....
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