We are interested in conductive and radiative transfer of energy in the core of gas cooled reactors. Two scales characterize the problem: macroscopic and microscopic. We want to consider the domain like an equivalent homogenous medium. So we use homogenization theory to compute the effective macroscopic properties which take into account the microscopic structure. We first present a full mathematical study of a simpler conduction problem with non linear boundary condition and its simulation with the CEA’s (French Atomic Energy Commissariat) computer code CAST3M. Then we present the homogenization of the real physical problem (including radiative boundary condition).
- Heat Transfer Division and Electronic and Photonic Packaging Division
Homogenization of a Conductive and Radiative Heat Transfer Problem, Simulation With CAST3M
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El Ganaoui, K, & Allaire, G. "Homogenization of a Conductive and Radiative Heat Transfer Problem, Simulation With CAST3M." Proceedings of the ASME 2005 Summer Heat Transfer Conference collocated with the ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems. Heat Transfer: Volume 4. San Francisco, California, USA. July 17–22, 2005. pp. 97-102. ASME. https://doi.org/10.1115/HT2005-72193
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