Abstract

Thermal gravitational convection in a supercritical medium is studied at parameter values higher than those corresponding the liquid-gas phase transition point. Steady convective flow and heat transfer are modeled in an extended region with a square cross-section, the temperatures on the lateral boundaries being constant and different. Both Boussinesq flows, in which spatial variations of the density and the thermodynamic parameters are small, and non-Boussinesq flows with considerably spatially-variable physical properties are considered. The effect of the temperature inhomogeneity parameter on the distinctive features of the flow and the heat transfer is determined.

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