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18 December 2019 Investigation of supersonic flows with laser transillumination methods
Dmitri A. Marakasov, Valentina M. Sazanovich, Ruvim Sh. Tsvyk
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Proceedings Volume 11208, 25th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 112082J (2019) https://doi.org/10.1117/12.2540891
Event: XXV International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2019, Novosibirsk, Russian Federation
Abstract
The results of experimental studies of fluctuations of the parameters of a laser beam propagating through a supersonic submerged jet (SJ) at selected distances from the nozzle are presented. The measurements were performed at different distances perpendicular to the beam axis. The results of the analysis of the intensity fluctuations and the directions of the phase front (performed using a coordinate-sensitive photodetector) are considered. The results of studies of the propagation of a laser beam over a wing model, which is installed in a closed wind tunnel T-313, are analyzed.
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Dmitri A. Marakasov, Valentina M. Sazanovich, and Ruvim Sh. Tsvyk "Investigation of supersonic flows with laser transillumination methods", Proc. SPIE 11208, 25th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 112082J (18 December 2019); https://doi.org/10.1117/12.2540891
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KEYWORDS
Acoustics
Laser beam propagation
Refractive index
Turbulence
Atmospheric optics
Photodetectors
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