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Prikladnaya Mekhanika i Tekhnicheskaya Fizika, 2014, Volume 55, Issue 2, Pages 127–140
(Mi pmtf1086)
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This article is cited in 10 scientific papers (total in 10 papers)
Mixing layer under a free surface
V. Yu. Lyapidevskiiab, A. A. Chesnokovab a Lavrentyev Institute of Hydrodynamics of Siberian Branch of the Russian Academy of Sciences, Novosibirsk, 630090, Russia
b Novosibirsk State University, Novosibirsk, 630090, Russia
Abstract:
In the long-wave approximation, the flow of a homogeneous fluid with a free surface in the gravity field is considered. Mathematical models of the surface turbulent layer in shear flows are derived. Steady solutions of the problem of evolution of the mixing layer under the free surface and formation of a surface turbulent jet are constructed. In particular, the problem of the structure of a turbulent bore in a supercritical flow is solved, and the conditions for the formation of a local subcritical zone ahead of the obstacle are studied.
Keywords:
shallow water equations, mixing layer, turbulent bore, breakdown of waves.
Received: 29.07.2013
Citation:
V. Yu. Lyapidevskii, A. A. Chesnokov, “Mixing layer under a free surface”, Prikl. Mekh. Tekh. Fiz., 55:2 (2014), 127–140; J. Appl. Mech. Tech. Phys., 55:2 (2014), 299–310
Linking options:
https://www.mathnet.ru/eng/pmtf1086 https://www.mathnet.ru/eng/pmtf/v55/i2/p127
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