Summary
Generating mechanism and growth and decay processes of the vortex pair induced by a jet issuing normal to a cross flow have been experimentally investigated in a subsonic range. The laser-sheet visualization has shown that: (1) The jet behaves like a solid cylinder for a distance from the jet exit. (2) A low energy region due to the jet diffusion spreads only laterally in jet cross-sections. The growth and decay processes are also shown using velocity vectors in the jet cross-sections. A simple infinite linear vortex model of the vortex pair has successfully explained characteristic features of the velocity field induced by the vortex pair.
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References
Le Grives, E.: Mixing process induced by the vorticity associated with the penetration of a jet into a cross flow. Trans. ASME, J. of Engineering for Power, 100–3 (1978) 465–475.
Fearn, R.; Weston, R.P.: Vorticity associated with a jet in a cross flow. AIAA J., 12–12 (1974) 1666–1671.
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© 1993 Springer-Verlag Berlin Heidelberg
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Sugiyama, Y. (1993). Formation and Behavior of the Vortices Associated with a Transverse Jet. In: Eckelmann, H., Graham, J.M.R., Huerre, P., Monkewitz, P.A. (eds) Bluff-Body Wakes, Dynamics and Instabilities. International Union of Theoretical and Applied Mechanics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-00414-2_48
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DOI: https://doi.org/10.1007/978-3-662-00414-2_48
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-662-00416-6
Online ISBN: 978-3-662-00414-2
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