Our Research - Aeroacoustics

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Aeroacoustics Aerodynamics Acoustic meta-materials Low noise UAM All research themes Publication list

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Aeroacoustics

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Aircraft Engine Studies: Efficient computation of sound radiation on adaptively refined mesh

A new computational tool was developed to efficiently predict sound radiation with block-structured adaptive mesh refinement (AMR) algorithm.....

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Aeroacoustics

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Aircraft Engine Studies: Modelling of aircraft sound propagation

A suite of high-order, time-domain computational aeroacoustic programs have been developed to model sound propagation and radiation from airframe components and aero engine intake and bypass/exhaust d....

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Aeroacoustics

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Stable time-domain LEE simulations

Linearized Euler equations (LEE) are often used in a CAA simulation, with a strong mean-velocity gradient, numerical Kelvin-Helmholtz (K-H) instabilities may appear using the LEE. Vortical instabiliti....

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Aeroacoustics

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Anisotropic filter for synthetic turbulence

A technique of synthetic turbulence is proposed by developing a general form of anisotropic filter, which can realize the desired velocity spectra of three-dimensional anisotropic turbulence. The an....

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Aeroacoustics

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The Aeroacoustic Characteristics of a Heaving Airfoil

Airfoil oscillation is a widely observed phenomenon in real applications, such as natural flyers, helicopter and drone blades, etc. This work studies the aeroacoustic characteristics of a heaving ai....

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Aeroacoustics

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Non-Reflective Boundary Conditions for CAA

Non-reflective boundary conditions are essential for accurate computational aeroacoustic (CAA) simulations. Benchmark test cases were developed to quantify the reflections generated by outgoing acoust....

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