[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 …

Recent Advances in Airfoil Self-Noise Passive Reduction

B Amirsalari, J Rocha - Aerospace, 2023 - mdpi.com
Airflow-induced noise prediction and reduction is one of the priorities for both the energy
and aviation industries. This review paper provides valuable insights into flow-induced noise …

A zonal noise prediction method for trailing-edge noise with a porous model

P Bernicke, RAD Akkermans, VB Ananthan… - International Journal of …, 2019 - Elsevier
In this contribution, a hybrid zonal simulation tool with volumetric inflow turbulence forcing is
applied to trailing-edge noise of a NACA0012 airfoil with and without a porous insert at …

Hydrodynamic/acoustic splitting approach with flow-acoustic feedback for universal subsonic noise computation

R Ewert, J Kreuzinger - Journal of Computational Physics, 2021 - Elsevier
A generalized approach to decompose the compressible Navier-Stokes equations into an
equivalent set of coupled equations for flow and acoustics is introduced. As a significant …

[HTML][HTML] Sensor-size-related attenuation correction of wall pressure spectra measurements

N Hu - Physics of Fluids, 2022 - pubs.aip.org
A correction model is presented for sensor-size-related high-frequency attenuation when
measuring the wall pressure fluctuations beneath turbulent boundary layers. The model is …

Summary of the LAGOON solutions from the benchmark problems for airframe noise computations-III workshop

E Manoha, B Caruelle - 21st AIAA/CEAS aeroacoustics conference, 2015 - arc.aiaa.org
The Benchmark for Airframe Noise Computations (BANC) has been initiated by the BECAN
Technical Discussion Group under AIAA. This continuous framework, mainly impulsed by …

Aeroacoustic Benchmarking of Trailing-Edge Noise from NACA Airfoil with Trailing-Edge Serrations

S Luesutthiviboon, LT Lima Pereira, D Ragni… - AIAA Journal, 2023 - arc.aiaa.org
Experimental results on trailing-edge (TE) noise from a NACA 63 3–018 airfoil are presented
for a chord-based Reynolds number R ec range between 2× 10 5 and 3× 10 6. Far-field TE …

[HTML][HTML] Aeroacoustics research in Europe: The CEAS-ASC report on 2019 highlights

R Camussi, GJ Bennett - Journal of Sound and Vibration, 2020 - Elsevier
Abstract The Council of European Aerospace Societies (CEAS) Aeroacoustics Specialists
Committee (ASC) supports and promotes the interests of the scientific and industrial …

Prediction of airfoil trailing-edge noise using empirical wall-pressure spectrum models

S Lee, JG Shum - AIAA Journal, 2019 - arc.aiaa.org
This paper presents the predictions of airfoil turbulent boundary-layer trailing-edge noise
using empirical wall-pressure spectrum models. Five empirical wall-pressure spectrum …

Wind turbine noise code benchmark: A comparison and verification exercise

F Bertagnolio, A Fischer, C Appel, M Herr, F Seel… - 2023 - osti.gov
In a number of institutions and companies, researchers and engineers are developing
modeling numerical frameworks that are used to predict the aerodynamic noise emission …