The purpose of this paper is to consider a possibility of the independent column approximation for solving the radiative heat fluxes in a 3D turbulent channel flow. This simulation method is the simplest extension of the plane-parallel radiative heat transfer. The test case of the temperature profile was obtained from the direct numerical simulation. We demonstrate the comparison between the 3D radiative transfer simulation and the independent column approximation with an inhomogeneous temperature field and optical properties. The above mentioned results show the trivial discrepancies between the 3D simulation and the independent column approximation. The required processing time for the independent column approximation is much faster than the 3D radiative transfer simulation due to the simple algorithm. Although the independent column simulation is restricted to simple configurations such as channel flow in this paper, wide application areas are expected due to the computational efficiency.
An Efficient Method for Radiative Heat Transfer Applied to a Turbulent Channel Flow
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Sakurai, A., Maruyama, S., Matsubara, K., Miura, T., and Behnia, M. (December 9, 2009). "An Efficient Method for Radiative Heat Transfer Applied to a Turbulent Channel Flow." ASME. J. Heat Transfer. February 2010; 132(2): 023507. https://doi.org/10.1115/1.4000240
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