815 高速炉における複合現象の数値実験技術開発 : (2) ナトリウム・酸素燃焼反応と伝熱流動

概要

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Numerical methodology for sodium combustion has been developed for the safety evaluation of a liquid metal cooled fast reactor. The methodology includes fast-running zone model computer program, field model program for multi-dimensional thermalhydraulics, chemical reaction analysis program based on chemical equilibrium theory, and so forth. Phenomenological scale in sodium fire varies widely and it is impossible to deal with all the scales in one simulation. Therefore, multi-level modeling and detailed-level simulations develop numerical correlations that can be used in the zone model or field model codes. Simulations using numerically-derived correlations are effective way of safety analysis. Although the sodium combustion is a complex phenomenon, use of these computer programs gives better understanding of the coupled thermalhydraulics and chemical reaction.
社団法人日本機械学会の論文
2002-10-30