Comptes Rendus
no. 4-5
Convection of a binary mixture under high-frequency vibrations
Sergey M. Ishutov1  ; Bela I. Myznikova2  ; Boris L. Smorodin1
1 Perm State National Research University, Department of Physics of Phase Transitions, 15 Bukirev str., 614990 Perm, Russia
2 Institute of Continuous Medium Mechanics, Ural Branch of Russian Academy of Sciences, 1 Academician Korolyov str., 614013 Perm, Russia
Comptes Rendus. Mécanique, Volume 341 (2013) no. 4-5, pp. 477-482.

The spatiotemporal evolution of steady and oscillatory convective roll patterns in a plane horizontal layer subject to steady gravity and high-frequency vibrations is investigated numerically, considering a laterally periodic convective cell with rigid, impermeable horizontal boundaries. Simulations are performed for parameters adapted to laboratory experiments with an ethanol/water mixture with negative Soret coupling between temperature and concentration fields. The characteristics of the patterns are investigated in relation to heat intensity. Bifurcation diagrams are presented in the “Rayleigh number–Gershuni number” plane.

Publié le :
DOI : 10.1016/j.crme.2012.12.001
Mots clés : Binary mixture, High-frequency vibrations, Travelling wave regime
Sergey M. Ishutov 1 ; Bela I. Myznikova 2 ; Boris L. Smorodin 1

1 Perm State National Research University, Department of Physics of Phase Transitions, 15 Bukirev str., 614990 Perm, Russia
2 Institute of Continuous Medium Mechanics, Ural Branch of Russian Academy of Sciences, 1 Academician Korolyov str., 614013 Perm, Russia 
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Sergey M. Ishutov; Bela I. Myznikova; Boris L. Smorodin. Convection of a binary mixture under high-frequency vibrations. Comptes Rendus. Mécanique, Volume 341 (2013) no. 4-5, pp. 477-482. doi : 10.1016/j.crme.2012.12.001. https://comptes-rendus.academie-sciences.fr/mecanique/articles/10.1016/j.crme.2012.12.001/

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[7] G.Z. Gershuni; A.K. Kolesnikov; J.-C. Legros; B.I. Myznikova On the vibrational convective instability of a horizontal binary-mixture layer with Soret effect, J. Fluid Mech., Volume 330 (1997), pp. 251-269

[8] B.L. Smorodin; B.I. Myznikova Convective instability of the thermovibrational flow of binary mixture in the presence of Soret effect, Philos. Mag., Volume 83 (2003) no. 17/18, pp. 2155-2170

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