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ナトリウム冷却高速炉の炉心損傷事故時の炭化ホウ素制御棒材の共晶溶融モデルの検証

Validation for eutectic melting model of boron-carbide control-rod material in core disruptive accidents of sodium-cooled fast reactors

山野 秀将   ; Liu, X.*; 守田 幸路*

Yamano, Hidemasa; Liu, X.*; Morita, Koji*

これまで炭化ホウ素(B$$_{4}$$C)とステンレス鋼(SS)の共晶反応を模擬する物理モデルを2次元高速炉安全解析コードSIMMER-IIIに組み込んできた。本研究では、高速炉制御棒の液相化に関する基礎試験を対象に検証解析を行い、物理モデルの基本的な妥当性を確認した。

In our previous study, a two-dimensional fast reactor safety analysis code, SIMMER-III, was extended to include a physical model to simulate the eutectic reaction between stainless steel (SS) and B$$_{4}$$C. This study carried out validation analysis for a basic experiment on melting behavior of fast reactor control rods to confirm the validation of the physical model.

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