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30 November 2017 Investigations of an acoustic field, generated by a supersonic flooded jet
D. A. Marakasov, V. M. Sazanovich, R. Sh. Tsvyk, A. N. Shesternin
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Proceedings Volume 10466, 23rd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 104661O (2017) https://doi.org/10.1117/12.2287653
Event: XXIII International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2017, Irkutsk, Russian Federation
Abstract
The paper presents the results of experimental studies of the acoustic field generated by a supersonic flooded jet on the wind tunnel of the Vertical Jet Unit (VJU) ITAM SB RAS. The submerged jet came out vertically upward into a large enough room. Measurements are made by 9 microphones, which are placed on a ring with a radius of 265 mm, which moved vertically. The microphone inputs are installed at a radius of 235 mm (through 36°) symmetrically with respect to the axis of the jet. The time spectra of the acoustic field and the shape of the phase front at npr = 5 at heights from -50 to 495 mm are considered. The Mach number in the output section was equal to unity.
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D. A. Marakasov, V. M. Sazanovich, R. Sh. Tsvyk, and A. N. Shesternin "Investigations of an acoustic field, generated by a supersonic flooded jet", Proc. SPIE 10466, 23rd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 104661O (30 November 2017); https://doi.org/10.1117/12.2287653
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KEYWORDS
Acoustics
Wavefronts
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