Investigation of the recriticality potential during reflooding phase of Fukushima Daiichi Unit-3 accident
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- 作者：Piotr Darnowski ; piotr.darnowski@itc.pw.edu.pl" class="auth_mail" title="E-mail the corresponding author ; Kacper Potapczyk ; Konrad Świrski
- 关键词：Recriticality ; Boiling water reactor ; Reflooding ; MELCOR ; SERPENT ; Fukushima Daiichi ; 1F3 ; Severe accident
- 刊名：Annals of Nuclear Energy
- 出版年：2017
- 出版时间：January 2017
- 年：2017
- 卷：99
- 期：Complete
- 页码：495-509
- 全文大小：3735 K
文摘
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Fukushima Unit 3 recriticality potential studied for the re-reflooding during an early in-vessel phase of the accident.
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The MELCOR code applied to predict the accident progression and the core state.
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The SERPENT code applied to perform the criticality safety analysis.
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Re-criticality is possible for non-borated water in the case of the investigated 1F3 MELCOR model.
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Data exchange framework between MELCOR and SERPENT was developed.