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Thermophysics and Aeromechanics

2006 year, number 4

Modelling of thermogravitation convection in closed volume with local sources of heat release

G.V. Kuznetsov1 and M.A. Sheremet2
1Tomsk Polytechnic University, Tomsk, Russia
Tomsk State University, Tomsk, Russia
Pages: 565-574


A mathematical model is presented for unsteady conjugate convective-conductive heat transfer in a closed volume with local sources of heat release under the conditions of a convective-radiation heat exchange on one of external faces of the solution region. The thermogravitation convection regime was analysed for moderate Grashof numbers. The typical temperature and velocity fields were obtained, and the fields of desired quantities were compared for the planar and three-dimensional models in one of the typical sections of the solution region.