Slat noise in high-lift systems

Y Zhang, L Cattafesta, K Pascioni… - Progress in Aerospace …, 2024 - Elsevier
This paper reviews several decades' worth of research on the topic of slat noise arising from
high-lift systems of commercial aircraft. A high-lift system is commonly used for providing …

Hybrid aeroacoustic computations: State of art and new achievements

S Schoder, M Kaltenbacher - Journal of Theoretical and …, 2019 - World Scientific
This paper collects the state of the art and the tremendous progress that has been made in
hybrid modeling of aeroacoustic sound. Hybrid modeling is defined such that flow and …

Numerical study on cavitation–vortex–noise correlation mechanism and dynamic mode decomposition of a hydrofoil

C Yang, J Zhang, Z Huang - Physics of Fluids, 2022 - pubs.aip.org
The large eddy simulation model coupled with the modified Schnerr–Sauer cavitation model
has been used to numerically simulate the unsteady cavitation and noncavitation flow of the …

Modelling of jet noise: a perspective from large-eddy simulations

GA Brès, SK Lele - … Transactions of the Royal Society A, 2019 - royalsocietypublishing.org
In the last decade, many research groups have reported predictions of jet noise using high-
fidelity large-eddy simulations (LES) of the turbulent jet flow and these methods are …

[HTML][HTML] Transient cavitating flow structure and acoustic analysis of a hydrofoil with whalelike wavy leading edge

Z Li, Z Qian, B Ji - Applied Mathematical Modelling, 2020 - Elsevier
In this paper, the open source software OpenFOAM is used to perform a numerical
investigation of the cavitating flow around a modified NACA63 4-021 hydrofoil with …

Hydroacoustic analysis of a full-scale marine vessel: Prediction of the cavitation-induced underwater radiated noise using large eddy simulations

MR Pendar, D McIntyre, P Oshkai - Physics of Fluids, 2024 - pubs.aip.org
This numerical study provides insight into the mechanism of noise generation by a cavitating
flow in the wake of a marine propeller under realistic operating conditions, which poses a …

Broadband trailing-edge noise predictions—Overview of BANC-III results

M Herr, R Ewert, C Rautmann… - 21st AIAA/CEAS …, 2015 - arc.aiaa.org
SinCE 2010, the American Institute of Aeronautics and Astronautics has organized an
ongoing series of workshops dedicated to Benchmark Problems for Airframe Noise …

A second golden age of aeroacoustics?

SK Lele, JW Nichols - Philosophical Transactions of the …, 2014 - royalsocietypublishing.org
In 1992, Sir James Lighthill foresaw the dawn of a second golden age in aeroacoustics
enabled by computer simulations (Hardin JC, Hussaini MY (eds) 1993 Computational …

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 …

Numerical prediction of passenger cabin noise due to jet noise by an ultra–high–bypass ratio engine

C Blech, CK Appel, R Ewert, JW Delfs… - Journal of Sound and …, 2020 - Elsevier
Within the framework of the Collaborative Research Center 880, future civil transportation
aircraft are investigated. One major aim is a drastic reduction of the noise emission to the …