[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 …

[HTML][HTML] Jet installation noise reduction using porous treatments

HK Jawahar, SA Karabasov, M Azarpeyvand - Journal of Sound and …, 2023 - Elsevier
The possibility of jet-installation noise reduction has been experimentally demonstrated
using a flat-plate fitted with flow permeable metal foam fitted at the trailing-edge. Tests were …

The relationship between PM10 and meteorological variables in the mega city Istanbul

E Birinci, A Deniz, ET Özdemir - Environmental Monitoring and …, 2023 - Springer
PM10, one of the air pollutants, occurs regularly in İstanbul during the winter months, namely
in December, January, and February. PM10 pollutant is affected by numerous factors …

Spatiotemporal-correlation analysis of jet noise from a high-performance military aircraft

BM Harker, TB Neilsen, KL Gee, AT Wall, MM James - AIAA Journal, 2016 - arc.aiaa.org
Correlation analyses of ground-based acoustic-pressure measurements of noise from a
tethered F-22A provide insights into the sound-field characteristics with position and engine …

Jet noise sources for chevron nozzles in under-expanded condition

HK Jawahar, S Meloni… - International Journal of …, 2022 - journals.sagepub.com
Imperfectly expanded jet flows are known to have additional noise sources known as
Screech and broadband shock-associated noise. They are generated by the interaction …

Spatiotemporal-correlation analysis of jet noise from a round nozzle high-performance aircraft

SH Swift, KL Gee, TB Neilsen, AT Wall… - 2018 AIAA/CEAS …, 2018 - arc.aiaa.org
S--analyses provide insight into the properties and dynamics of a sound field imprinted with
the unique characteristics of the underlying production mechanisms. For example, Tam et …

Propagation of crackle-containing jet noise from high-performance engines

KL Gee, TB Neilsen, AT Wall… - Noise Control …, 2016 - ingentaconnect.com
Crackle, the impulsive quality sometimes present in supersonic jet noise, has traditionally
been defined in terms of the pressure waveform skewness. However, recent work has …

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 …

Fitting jet noise similarity spectra to volcano infrasound data

JE Gestrich, D Fee, RS Matoza… - Earth and Space …, 2021 - Wiley Online Library
Infrasound (low‐frequency acoustic waves) has proven useful to detect and characterize
subaerial volcanic activity, but understanding the infrasonic source during sustained …

Inclusion of broadband shock-associated noise in spectral decomposition of noise from high-performance military aircraft

TB Neilsen, AB Vaughn, KL Gee, SH Swift… - 2018 AIAA/CEAS …, 2018 - arc.aiaa.org
SPL= sound pressure level Sr= Strouhal number 𝑢~= convective velocity 𝑢Ç= fully
expanded, mean jet velocity 𝑤 {x= width parameter 𝑥= sideline distance 𝑧= axial distance …