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Prikladnaya Mekhanika i Tekhnicheskaya Fizika, 2004, Volume 45, Issue 3, Pages 32–43
(Mi pmtf2377)
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This article is cited in 22 scientific papers (total in 22 papers)
Effect of streamline curvature on intensity of streamwise vortices in the mixing layer of supersonic jets
V. I. Zapryagaev, N. P. Kiselev, A. A. Pavlov Institute of Theoretical and Applied Mechanics, Siberian Division, Russian Academy of Sciences, Novosibirsk, 630090
Abstract:
The structure of supersonic nonisobaric jets with Mach numbers $\mathrm{M}_a=1$ and $2$ is considered experimentally to find the effect of streamline curvature on the evolution of streamwise vortices in the mixing layer. The spatial development of steady streamwise vortices in the mixing layer of supersonic jets is considered. A method for generation of steady streamwise vortices by applying microroughness elements of controlled size onto the inner surface of the nozzle is developed. Radial profiles and azimuthal variations of total pressure are obtained; the mixing-layer thickness and the curvature of streamlines in supersonic jets are determined. A significant effect of microroughness elements of prescribed shape located on the nozzle surface on the behavior of total pressure in the mixing layer of supersonic jets, as compared to natural disturbances, is obtained.
Keywords:
supersonic jet, nozzle, mixing layer, streamwise vortex structures, curvature of streamlines.
Received: 05.06.2003
Citation:
V. I. Zapryagaev, N. P. Kiselev, A. A. Pavlov, “Effect of streamline curvature on intensity of streamwise vortices in the mixing layer of supersonic jets”, Prikl. Mekh. Tekh. Fiz., 45:3 (2004), 32–43; J. Appl. Mech. Tech. Phys., 45:3 (2004), 335–343
Linking options:
https://www.mathnet.ru/eng/pmtf2377 https://www.mathnet.ru/eng/pmtf/v45/i3/p32
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