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ナトリウム冷却高速炉の炉心崩壊事故時における溶融炉心物質の再配置挙動に関する研究,2; 低水深プール中への融体流出試験

Studies on relocation behavior of molten core materials in the core disruptive accident of sodium-cooled fast reactors, 2; Experimental study on molten-metal discharge into a shallow water pool

今泉 悠也 ; 神山 健司 ; 松場 賢一  ; 磯崎 三喜男; 鈴木 徹; 江村 優軌

Imaizumi, Yuya; Kamiyama, Kenji; Matsuba, Kenichi; Isozaki, Mikio; Suzuki, Toru; Emura, Yuki

ナトリウム冷却高速炉の炉心崩壊事故時の再配置過程における、溶融炉心物質と冷却材との熱的相互作用および炉内構造物への炉心物質の再配置挙動を解明するため、低融点合金を低水深の水プール中に落下させる模擬試験を複数回行った。本件では、本試験の結果およびそのメカニズムの考察について報告する。

For the study of the fuel-coolant interaction and deposition behavior of the molten core material on the in-vessel structure in the relocation phase of the core disruptive accident in SFR, several experiments discharging low-melting-point alloy into a shallow water pool were conducted. The experimental results and the mechanism discussion are reported.

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