[HTML][HTML] Supersonic jet noise from launch vehicles: 50 years since NASA SP-8072

CP Lubert, KL Gee, S Tsutsumi - The Journal of the Acoustical Society …, 2022 - pubs.aip.org
In 1971, the US National Aeronautics and Space Administration (NASA) published a
seminal report—NASA SP-8072—which compiled the results of the early supersonic jet …

Effect of the Reynolds number on the aeroacoustic fields of a transitional supersonic jet

Y Ozawa, T Nonomura, A Oyama, K Asai - Physics of Fluids, 2020 - pubs.aip.org
The Reynolds number effect on the aeroacoustic fields of a supersonic jet was
experimentally investigated via particle image velocimetry (PIV), schlieren visualization, and …

A proper framework for studying noise from jets with non-compact sources

WJ Baars, NE Murray, CE Tinney - Journal of Fluid Mechanics, 2021 - cambridge.org
A quantitative assessment of the acoustic source field produced by a laboratory-scale
heated jet with a gas dynamic Mach number of 1.55 and an acoustic Mach number of 2.41 is …

[HTML][HTML] Source characterization of full-scale tactical jet noise from phased-array measurements

BM Harker, KL Gee, TB Neilsen, AT Wall… - The Journal of the …, 2019 - pubs.aip.org
Application of phased-array algorithms to acoustic measurements in the vicinity of a high-
performance military aircraft yields equivalent source reconstructions over a range of engine …

[HTML][HTML] Near-field acoustical holography and acoustic power analysis of a simulated, highly heated supersonic jet

KM Leete, KL Gee, J Liu, AT Wall - … Journal of the Acoustical Society of …, 2022 - pubs.aip.org
Although near-field acoustical holography (NAH) and acoustic intensity analysis have
previously been used to investigate the apparent jet noise sources produced by military …

Coherence-based phase unwrapping for broadband acoustic signals

MR Cook, KL Gee, SD Sommerfeldt… - Proceedings of Meetings …, 2017 - pubs.aip.org
Complex-valued functions are often separated into real and imaginary values. For functions
that demonstrate periodicity, a separation into magnitude and phase values is often more …

Connecting the Convective Mach Number to Full-Scale Supersonic Jet Noise Directivity

MA Christian, KL Gee, T Olaveson - AIAA Aviation 2023 Forum, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-3351. vid This paper describes
investigations into convective Mach number and its relationship to maximum radiation angle …

A tale of two curves and their influence on rocket and supersonic jet noise research

KL Gee - The Journal of the Acoustical Society of America, 2021 - pubs.aip.org
This letter describes how a landmark 1960s supersonic jet noise experiment influenced
subsequent noise models. A discrepancy in other researchers' application of Potter and …

Coupled LES-experimental noise source imaging and fluid-thermodynamic mode decomposition of supersonic jets with fluid inserts

C Prasad, S Hromisin - AIAA Scitech 2020 Forum, 2020 - arc.aiaa.org
The noise emanating from the exhaust of high speed military aircraft affects the hearing and
performance of the crew working in close proximity to the aircraft. Moreover, jet noise is also …

Heated Supersonic Jet Characteristics From Far-field Acoustical Measurements

MA Christian - 2023 - scholarsarchive.byu.edu
In the field of supersonic jet noise, measurements of full-scale afterburning jet engines are
infrequent and provide unique opportunities to better understand jet noise phenomena. This …