Numerical study of the flow and the near acoustic fields of an underexpanded round free jet generating two screech tones

R Gojon, C Bogey - International Journal of Aeroacoustics, 2017 - journals.sagepub.com
The flow and near acoustic fields of a supersonic round free jet are explored using a
compressible large eddy simulation. At the exit of a straight pipe nozzle, the jet is …

Influence of nozzle external geometry on the emission of screech tones

D Morata, D Papamoschou - International Journal of …, 2023 - journals.sagepub.com
The effect of external nozzle geometry on the emission of screech tones was studied
experimentally. Four conical reflector surfaces, with half-angles ranging from 60° to 90° …

On the temporal analysis of acoustic waves using schlieren imaging

C Jagadeesh, ER Gowree, H Jadidbonab, CJ Atkin - Measurement, 2018 - Elsevier
The primary objective of the present study was to develop a quantitative schlieren-imaging
technique that can be used to study the dynamics of instability waves. The technique was …

Super-resolution reconstruction of schlieren images of supersonic free jets based on machine learning with bubble shadowgraphy data

MC Ekwonu, S Zhang, B Chen, X Peng, D Kim - Journal of Visualization, 2023 - Springer
High resolution of supersonic flow fields is very relevant to advancement of supersonic and
even hypersonic technology. Deep learning-based flow field super-resolution is a unique …

Développement d'une méthode de mesure de la masse volumique par diffusion Rayleigh appliquée à l'étude du bruit de jets, et contribution à l'étude du screech dans …

B Mercier - 2017 - theses.hal.science
Dans ce travail de recherche, on présente des développements spécifiques de
diagnostiques optiques et leur application à l'étude aéroacoustique des jets rapides à haut …

High-Resolution Localization of Aeroacoustic Sources Using Advanced Phased Array Setups

D Morata Carranza - 2022 - escholarship.org
This work aims at improving the current state-of-the-art in noise source localization
techniques and phased array technologies by extending and adapting distinct traditional …

[图书][B] High-Resolution Localization of Aeroacoustic Sources Using Advanced Phased Array Setups

DM Carranza - 2022 - search.proquest.com
This work aims at improving the current state-of-the-art in noise source localization
techniques and phased array technologies by extending and adapting distinct traditional …

[PDF][PDF] Towards Development of an Empirical Model for Prediction of Screech and Coupling in Supersonic Rectangular Twin Jets

S Yoder - 2022 - kb.osu.edu
Rectangular twin jet engines used on tactical aircraft have several advantages compared to
circular twin jet engines, namely, reducing an aircraft's weight and drag, improving its …

The Effect of Underexpansion on a Jet in Cross Flow

T Knast, L Mears, N Arora, TK Guha… - 2018 Fluid Dynamics …, 2018 - arc.aiaa.org
The injection of a sonic or supersonic jet into a supersonic crossflow has typically been
studied for either its application in flight control on atmospheric flight vehicles or as a method …

[PDF][PDF] The Effect of Jet Exit Pressure Ratio on a Jet in Cross Flow

T Knast, L Mears, N Arora, TK Guha… - AIAA Fluid Dynamics …, 2018 - researchgate.net
The injection of a sonic or supersonic jet into a supersonic crossflow has typically been
studied for either its application in flight control on atmospheric flight vehicles or as a method …