Studies of the Acoustic Field Generated by a Supersonic Jet

Results of experimental studies of the acoustic field generated by a supersonic jet on the vertical jet facility of the Institute of Theoretical and Applied Mechanics are presented. The measurements are carried out using nine microphones arranged symmetrically with respect to the jet axis. The shape...

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Veröffentlicht in:	Atmospheric and oceanic optics 2019-07, Vol.32 (4), p.442-449
Hauptverfasser:	Marakasov, D. A., Sazanovich, V. M., Tsvyk, R. Sh, Shesternin, A. N., Gubanov, D. A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Acoustic noise Acoustic waves Acoustics Acoustooptical and Radiooptical Methods for Environmental Studies Broadband Lasers Mechanics Microphones Optical Devices Optics Photonics Physics Physics and Astronomy Spatial resolution Turbulence
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Beschreibung
Zusammenfassung:	Results of experimental studies of the acoustic field generated by a supersonic jet on the vertical jet facility of the Institute of Theoretical and Applied Mechanics are presented. The measurements are carried out using nine microphones arranged symmetrically with respect to the jet axis. The shape of the phase front of the acoustic wave, as well as spectra of the broadband acoustic noise and discrete components with a high time and spatial resolution are analyzed. It is shown that the turbulence structure in the acoustic field is inhomogeneous and is formed by several sources.
ISSN:	1024-8560 2070-0393
DOI:	10.1134/S1024856019040092