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Journal of Automation and Information Sciences
SJR: 0.232 SNIP: 0.464 CiteScore™: 0.27

ISSN Imprimer: 1064-2315
ISSN En ligne: 2163-9337

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Journal of Automation and Information Sciences

DOI: 10.1615/JAutomatInfScien.v36.i3.40
pages 35-45

Modeling of Vortical Flows on the Background of Two-Dimensional Process of Convective Heat and Mass Transfer

Oleg K. Cheremnykh
Institute of Space Research of National Academy of Sciences of Ukraine and State Space Agency of Ukraine, Kiev, Ukraine

RÉSUMÉ

A problem of convective heat and mass transfer for a two-dimensional cylindrical domain φ is a symmetrical model of the Bridgeman ampoule) is considered on the basis of system of nonstationary Navier—Stokes equations. A numerical algorithm is developed and computations of the Grasgof number GR — 5 × 105 for a short and a long cylinders were done. An effect of vertical drift of vortical flow and of isotherms under the absence of the radial temperature gradient in cylinder was revealed.


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