Disturbance convection velocity in turbulent jets under aeroacoustic excitation |
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Authors: | V G Pimshtein |
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Institution: | (1) Department of the Joukowski Central Aerohydrodynamic Institute, Moscow, 105005 |
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Abstract: | The velocity of propagation of toroidal and oblique vortices formed in subsonic and supersonic turbulent jets under longitudinal
internal and transverse external excitation by finite-amplitude saw-tooth acoustic waves is studied experimentally. It is
demonstrated that the convection velocity of vortices is not constant, and the character of its variation depends on the vortex
shape.
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Translated from Prikladnaya Mekhanika i Tekhnicheskaya Fizika, Vol. 48, No. 5, pp. 21–25, September–October, 2007. |
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Keywords: | turbulent jets vortices acoustic excitation |
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