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格納容器内事象解析コードCONTAIN/LMRの開発・整備; ナトリウム; コンクリート反応モデルの整備・検証

Development of CONTAIN/LMR code for LMFBR's ex-vessel phenomena; Improvement and validation of sodium-concrete reaction model

清野 裕 ; 大野 修司  ; 宮原 信哉  ; 泉 啓太郎*; 山本 郁夫*

Seino, Hiroshi; Ohno, Shuji; Miyahara, Shinya; Izumi, Keitaro*; Yamamoto, Ikuo*

格納容器内事象解析コードCONTAIN/LMR内のNa-コンクリート反応計算モデルについて、おもにアルミナ系の反応に着目した検証計算を実施した。その結果、定量評価に一部課題があるものの、同反応の挙動をおおむね再現できることがわかった。

We conducted a validation calculation in order to mainly confirm alumina-related reactions considered in the sodium-concrete reaction model in the CONTAIN/LMR code. As a result, it was found that though there were some problems in quantitative evaluation, CONTAIN/LMR could simulate the characteristics of these reactions.

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