Abstract
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.
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Funding
This was work was carried out within project AAAA-A17-117021310149-4 of fundamental researches of the Russian Academy of Sciences.
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Translated by A. Nikol’skii
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Marakasov, D.A., Sazanovich, V.M., Tsvyk, R.S. et al. Studies of the Acoustic Field Generated by a Supersonic Jet. Atmos Ocean Opt 32, 442–449 (2019). https://doi.org/10.1134/S1024856019040092
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DOI: https://doi.org/10.1134/S1024856019040092