Lattice Boltzmann simulation of natural convection with temperature-dependent viscosity in a porous cavity
by Zhaoli Guo, T.S. Zhao
Progress in Computational Fluid Dynamics, An International Journal (PCFD), Vol. 5, No. 1/2, 2005

Abstract: Laminar convection of a fluid with a temperature-dependent viscosity in an enclosure filled with a porous medium is studied numerically based on a Lattice Boltzmann method. It is shown that the variation in viscosity has significant influences on both flow and heat transfer behaviours. In comparison with the results for constant viscosity, the fluid with variable viscosity exhibits a higher heat transfer rate. The non-Darcy effects on fluid flow and heat transfer are also studied for both constant and variable viscosity.

Online publication date: Wed, 08-Dec-2004

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