Two- and three-dimensional thermal analyses of uranium/molybdenum dispersion fuel microstructures
This thesis presents the results of two- and three- dimensional microstructure-based finite element thermal analyses for U-Mo dispersion fuels, considering particle size distribution, the particles' spatial distribution in the matrix, and the formation of a low-thermal conductivity interaction layer around the particles. A correction factor is needed to adjust two- dimensional microstructural analysis results to yield accurate three- dimensional predictions. Existing correction factors provide reasonably good results when applied to problems involving the transport of heat across the microstructure ...
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