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 …

Machine-learning for turbulence and heat-flux model development: A review of challenges associated with distinct physical phenomena and progress to date

RD Sandberg, Y Zhao - International Journal of Heat and Fluid Flow, 2022 - Elsevier
This review paper surveys some of the progress made to date in the use of machine learning
(ML) for turbulence and heat transfer modeling. We start by identifying the challenges that …

Importance of the nozzle-exit boundary-layer state in subsonic turbulent jets

GA Brès, P Jordan, V Jaunet, M Le Rallic… - Journal of Fluid …, 2018 - cambridge.org
To investigate the effects of the nozzle-exit conditions on jet flow and sound fields, large-
eddy simulations of an isothermal Mach 0.9 jet issued from a convergent-straight nozzle are …

Unstructured large-eddy simulations of supersonic jets

GA Bres, FE Ham, JW Nichols, SK Lele - AIAA journal, 2017 - arc.aiaa.org
Experience gained from previous jet noise studies with the unstructured large-eddy
simulation flow solver “Charles” is summarized and put to practice for the predictions of …

Acoustic resonance in the potential core of subsonic jets

A Towne, AVG Cavalieri, P Jordan… - Journal of Fluid …, 2017 - cambridge.org
The purpose of this paper is to characterize and model waves that are observed within the
potential core of subsonic jets and relate them to previously observed tones in the near …

Acoustic tones in the near-nozzle region of jets: characteristics and variations between Mach numbers 0.5 and 2

C Bogey - Journal of Fluid Mechanics, 2021 - cambridge.org
Acoustic tones in the near-nozzle region of jets: characteristics and variations between Mach
numbers 0.5 and 2 Page 1 J. Fluid Mech. (2021), vol. 921, A3, doi:10.1017/jfm.2021.426 …

Influence of initial turbulence level on the flow and sound fields of a subsonic jet at a diameter-based Reynolds number of 105

C Bogey, O Marsden, C Bailly - Journal of Fluid Mechanics, 2012 - cambridge.org
Five isothermal round jets at Mach number and Reynolds number originating from a pipe
nozzle are computed by large-eddy simulations to investigate the effects of initial turbulence …

Large-eddy simulation of the flow and acoustic fields of a Reynolds number 105 subsonic jet with tripped exit boundary layers

C Bogey, O Marsden, C Bailly - Physics of Fluids, 2011 - pubs.aip.org
Large-eddy simulations (LESs) of isothermal round jets at a Mach number of 0.9 and a
diameter-based Reynolds number Re D of 10 5 originating from a pipe are performed using …

On the use of the Ffowcs Williams-Hawkings equation to predict far-field jet noise from large-eddy simulations

S Mendez, M Shoeybi, SK Lele… - International Journal of …, 2013 - journals.sagepub.com
This study presents best practices for the use of the permeable-surface Ffowcs Williams-
Hawkings equations to calculate far-field sound from large-eddy simulations of high-speed …

Interactions between upstream-propagating guided jet waves and shear-layer instability waves near the nozzle of subsonic and nearly ideally expanded supersonic …

C Bogey - Journal of Fluid Mechanics, 2022 - cambridge.org
The interactions between upstream-propagating guided jet waves and shear-layer instability
waves near the nozzle of subsonic and nearly ideally expanded supersonic, isothermal free …