
Title

Selfleveling behavior of debris beds in core disruptive accidents: Experiments, Empirical model development,Used
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Studies on the selfleveling behavior of debris beds are crucial for the assessment of coredisruptive accident occurred in sodiumcooled fast reactors(SFRs). Though until now some overall characteristics of the selfleveling behavior have been preliminarily revealed by previous investigators, insufficient experimental evidence has been given in support of their claims. In addition, limitations of previously developed models for selfleveling onset have urged their improvement, especially on transient selfleveling behavior. Focusing on these aspects, the present work aims to further clarify fundamental mechanisms involved in the selfleveling behavior by investigating the flow characteristics inside debris beds and to propose useful empirical models for the prediction of selfleveling development. This work should contribute to the improvement in reliability of accident analysis of SFRs, and should be especially useful to researchers in the field of severe accident analyses.
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This warranty strictly does not cover damages that arose from negligence, misuse, wear and tear, or not in accordance with product instructions (dropping the product, etc.).
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