Quantification of tidal asymmetry and its nonstationary variations

L Guo, ZB Wang, I Townend… - Journal of Geophysical …, 2019 - Wiley Online Library
Tidal wave deformation and tidal asymmetry widely occur in tidal estuaries and lagoons.
Tidal asymmetry has been intensively studied because of its controlling role on residual …

Accurate simulation of the noise generated by a hot supersonic jet including turbulence tripping and nonlinear acoustic propagation

A Langenais, F Vuillot, J Troyes, C Bailly - Physics of Fluids, 2019 - pubs.aip.org
A procedure to accurately simulate a free hot supersonic jet and its associated noise, which
uses simultaneously a turbulence tripping method and a two-way coupling between a flow …

[HTML][HTML] Subjective rating of the jet noise crackle percept

KL Gee, PB Russavage, TB Neilsen… - The Journal of the …, 2018 - pubs.aip.org
Results of the first formal perceptual study of jet crackle are presented. Prior studies
examined noise waveform properties believed to be linked to the jet crackle percept from a …

[HTML][HTML] Introduction to the special issue on supersonic jet noise

AT Wall, KL Gee, PJ Morris, T Colonius… - The Journal of the …, 2022 - pubs.aip.org
This editorial's goals are (1) to highlight a few key developments in supersonic jet and
launch vehicle noise research over the past several decades while describing some of the …

Acoustic shock formation in noise propagation during ground run-up operations of military aircraft

BO Reichman, KL Gee, TB Neilsen, SH Swift… - 23rd AIAA/CEAS …, 2017 - arc.aiaa.org
I. Introduction ne of the distinctive features visible in waveforms of supersonic jet noise is the
presence of acoustic shocks or large sudden increases in pressure. These shocks are often …

Three-way spectral decompositions of high-performance military aircraft noise

TB Neilsen, AB Vaughn, KL Gee, SH Swift, AT Wall… - AIAA Journal, 2019 - arc.aiaa.org
High-performance military aircraft noise contains large-and fine-scale turbulent mixing noise
and broadband shock-associated noise. A three-way spectral decomposition quantifies the …

Evidence for near-source nonlinear propagation of volcano infrasound from Strombolian explosions at Yasur Volcano, Vanuatu

SP Maher, RS Matoza, A Jolly, C de Groot-Hedlin… - Bulletin of …, 2022 - Springer
Volcanic eruption source parameters may be estimated from acoustic pressure recordings
dominant at infrasonic frequencies (< 20 Hz), yet uncertainties may be high due in part to …

Computation of the noise radiated by a hot supersonic jet deflected in a flame trench

A Langenais, F Vuillot, J Troyes… - The Journal of the …, 2021 - pubs.aip.org
This study aims to numerically investigate the noise radiated by a reduced-scale rocket
engine jet at lift-off conditions including a flame trench. An over-expanded Mach 3.1 hot jet …

[HTML][HTML] Testing two crackle criteria using modified jet noise waveforms

SH Swift, KL Gee, TB Neilsen - The Journal of the Acoustical Society of …, 2017 - pubs.aip.org
The jet sound quality “crackle” has historically been studied and quantified using the
statistics of the pressure waveform. Some investigators have suggested crackle, and its …

Quantitative analysis of a frequency-domain nonlinearity indicator

BO Reichman, KL Gee, TB Neilsen… - The Journal of the …, 2016 - pubs.aip.org
In this paper, quantitative understanding of a frequency-domain nonlinearity indicator is
developed. The indicator is derived from an ensemble-averaged, frequency-domain version …