[HTML][HTML] Turbulent boundary layer trailing-edge noise: Theory, computation, experiment, and application

S Lee, L Ayton, F Bertagnolio, S Moreau… - Progress in Aerospace …, 2021 - Elsevier
When the pressure fluctuations caused by turbulence vorticity in the boundary layer are
scattered by a sharp trailing edge, acoustic energy is generated and propagated to the far …

[HTML][HTML] Underwater radiated noise from marine vessels: A review of noise reduction methods and technology

TA Smith, J Rigby - Ocean Engineering, 2022 - Elsevier
Marine anthropogenic noise has increased significantly over the past few decades, and a
growing body of research is highlighting the negative impacts this is having on marine eco …

The third golden age of aeroacoustics

S Moreau - Physics of Fluids, 2022 - pubs.aip.org
The present review covers the latest evolution of computational aeroacoustics, the field that
deals with the noise generated by fluid flows and its propagation in the medium. It highlights …

[HTML][HTML] Airfoil trailing-edge noise and drag reduction at a moderate Reynolds number using wavy geometries

TA Smith, CA Klettner - Physics of Fluids, 2022 - pubs.aip.org
This study utilizes a hybrid aeroacoustic model to investigate how airfoils with spanwise
wavy geometries can be used to reduce trailing-edge noise alongside improving the …

Trailing edge noise reduction using bio-inspired finlets

VB Ananthan, RAD Akkermans - Journal of Sound and Vibration, 2023 - Elsevier
Inspired by the silent flight of the owl, the current work focuses on the reduction of trailing
edge noise using 2D finlets. Overset-Large Eddy Simulations are carried out of two …

Trailing-edge noise reduction potential of a locally applied shallow dimpled surface

VB Ananthan, RAD Akkermans, T Hu, PQ Liu… - Journal of Sound and …, 2022 - Elsevier
There is a strong need for airframe noise reduction methods that preserve the aerodynamic
performance of lift-generating airframe components. Inspired by the drag reduction studies …

Aerodynamic and aeroacoustic investigations of multi-copter rotors with leading edge serrations during forward flight

H Hu, Y Yang, Y Liu, X Liu, Y Wang - Aerospace Science and Technology, 2021 - Elsevier
Inspired by the silent flight of owl wings, this paper adopts leading edge (LE) serrations for
noise reduction of isolated multi-copter rotors. By choosing different serration parameters of …

On the noise reduction of a porous trailing edge applied to an airfoil at lifting condition

C Teruna, F Avallone, D Ragni, D Casalino - Physics of Fluids, 2021 - pubs.aip.org
Numerical simulations, using a lattice-Boltzmann technique, have been carried out to study
the effect of aerodynamic loading and Reynolds number on the aeroacoustics of a porous …

[HTML][HTML] Aeroacoustics research in Europe: The CEAS-ASC report on 2020 & 2021 highlights

AB Nagy, J Delfs, GJ Bennett - Journal of Sound and Vibration, 2022 - Elsevier
Abstract The Council of European Aerospace Societies (CEAS) Aeroacoustics Specialists
Committee (ASC) supports and promotes the interests of the scientific and industrial …

Numerical analysis of a 3-D printed porous trailing edge for broadband noise reduction

C Teruna, F Avallone, D Ragni… - Journal of Fluid …, 2021 - cambridge.org
Lattice Boltzmann simulations were carried out to investigate the noise mitigation
mechanisms of a 3-D printed porous trailing-edge insert, elucidating the link between noise …