Application of synthesis methods to two-dimensional fast reactor transient study.
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概要
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Space time synthesis and time synthesis codes were developed and applied to the space-dependent kinetics benchmark problem of a two-dimensional fast reactor model, and it was found both methods are accurate and economical for the fast reactor kinetics study. Comparison between the space time synthesis and the time synthesis was made. Also, in space time synthesis, the influence of the number of trial functions on the error and on the computing time and the effect of degeneration of expansion coefficients are investigated. The matrix factorization method is applied to the inversion of the matrix equation derived from the synthesis equation, and it is indicated that by the use of this scheme space-dependent kinetics problem of a fast reactor can be solved efficiently by space time synthesis.
- 一般社団法人 日本原子力学会の論文
著者
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Hirakawa Naohiro
Department Of Nuclear Engineering Tohoku University
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IZUTSU Sadayuki
Department of Nuclear Engineering, Faculty of Engineering, Tohoku University
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