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Windscale Works臨界事故解析

Analysis of criticality incident at Windscale Works

福田 航大 ; 山根 祐一  

Fukuda, Kodai; Yamane, Yuichi

英国Windscale Worksにて1970年に発生した臨界事象について予備的な解析検討を行った。解析にはCFD計算ツールボックスOpenFOAM及びモンテカルロ中性子輸送計算コードMVP3.0を用いた。その結果、事象進展の様子と対応する実効増倍率変化の機構の一部を確認することができた。

A preliminary analysis of the criticality incident at Windscale Works in 1970 was performed. The open-source CFD tool box OpenFOAM and the Monte Carlo neutron transport calculation code MVP3.0 were used for the analysis. As the result, the progress of the incident and the change of reactivity during the incident were confirmed.

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