Airfoil noise production in real-world turbulence

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PROJECT DESCRIPTION

Flow-induced noise created by the interaction of fluid turbulence and an airfoil dominates noise from aircraft, drones, wind turbines and marine vessels, yet remains poorly understood, especially in complex real-world situations. This project aims to understand how a finite airfoil immersed in homogenous, isotropic turbulence and anisotropic turbulent boundary layers generates sound. It will examine the link between turbulent in-flow, the behavior of the turbulence as it encounters the airfoil and the far-field sound. This knowledge will aid development of noise control strategies for airfoils operating in real-world turbulence.

IDEAL CANDIDATE

The ideal candidate will have strong interest and foundation knowledge in acoustics, fluid mechanics and/or aerodynamics. A background in signal processing using MATLAB is highly desirable. During this project, the student will use anechoic wind tunnels, perform acoustic testing and take steady and unsteady surface pressure, hot-wire anemometry and particle image velocimetry measurements. Any prior experience with these measurement techniques is also desirable.
Supervisory team
Danielle
Moreau

Engineering
Mechanical and Manufacturing Engineering
Con
Doolan

Engineering
Mechanical and Manufacturing Engineering
Charitha
de Silva

Engineering
Mechanical and Manufacturing Engineering
d.moreau@unsw.edu.au