This article is cited in 6 papers

Interaction of two-dimensional thermal “plumes” from local sources of energy under conditions of conjugate natural convection in a horizontal cylinder

M. A. Sheremet

Tomsk State University, Tomsk, 634050, Russia

Abstract: Conjugate thermogravitational convection in a horizontal cylinder with two sources of energy with a constant temperature under conditions of convective heat exchange with the ambient medium is numerically analyzed. The mathematical model is formulated in the dimensionless variables of the stream function-vorticity vector-temperature. The influence of the governing parameters (Rayleigh and Prandtl numbers, temperature of energy sources, time, and relative thermal conductivity) both on the local thermohydrodynamic characteristics (streamlines and temperature field) and on the integral parameter (mean Nusselt number on the surface of heat sources) is analyzed.

Keywords: two-dimensional thermal “plume”, conjugate heat transfer, natural convection, horizontal cylinder, laminar flow regime.

UDC: 532.5:536.24

Received: 02.07.2010
Accepted: 24.10.2011

 English version: Journal of Applied Mechanics and Technical Physics, 2012, 53:4, 566–576

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