Abstract
Experimental investigation of plane-jet transition to turbulence is presented in [5]. Sinusoidal (asymmetric) and varicose (symmetric) modes of the jet instability were considered, as both of them can occur quite upstream. Origin of each mode strongly depends on initial mean velocity profiles [1]. Varicose mode is related to the presence of so-called abrupt mean velocity profiles at the nozzle exit, while more developed parabolic mean velocity profiles result in predominance of the sinusoidal oscillations.
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References
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Kozlov, V.V., Grek, G.R., Kozlov, G., Litvinenko, Y.A., Sorokin, A. (2010). Experimental study on stability of the laminar and turbulent plane jets. In: Schlatter, P., Henningson, D. (eds) Seventh IUTAM Symposium on Laminar-Turbulent Transition. IUTAM Bookseries, vol 18. Springer, Dordrecht. https://doi.org/10.1007/978-90-481-3723-7_35
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DOI: https://doi.org/10.1007/978-90-481-3723-7_35
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