Abstract
With the increasing scientific and engineering applications of coupled radiation and natural convection problems (CRNCP), it is required to develop more convenient numerical methods to solve the problems. In this paper, the equations of momentum, energy, and radiative transfer are all solved by the lattice Boltzmann method, and a lattice Boltzmann (LB) framework is established for the CRNCP. The influences of the Planck number, Rayleigh number, scattering albedo, and optical thickness in isotropic scattering media are analyzed. The results indicate that the radiation parameters significantly impact the CRNCP. In addition, the LB framework is extended to solve the problems of anisotropic scattering media. It is expected that the current work will provide a convenient numerical tool for various CRNCP.
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