A general method to evaluate passive safety characteristics of FBRS

机译：评估FBRS被动安全特性的通用方法

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The paper gives an outline of a simple method to evaluate the self-controllability, i.e., passive shutdown or power stabilization of large LMFBRs in the case of accidents. Based on the transient distribution of core temperatures under typical ATWS conditions, effective reactivity changes due to sodium coolant and fuel temperature changes are correlated to unique linear functions for the limiting cases of sodium boiling as well as fuel failures. These limiting relations give the region where the self-controllability conditions are satisfied. Using this approach, a discussion is made on enhancement the self-controllability of the FBR.

机译：本文概述了一种简单的方法来评估自控性，即在发生事故的情况下对大型LMFBR进行被动关闭或功率稳定。基于典型ATWS条件下核心温度的瞬态分布，由于钠冷却剂和燃料温度变化而引起的有效反应性变化与钠沸腾以及燃料故障的极限情况的独特线性函数相关。这些限制关系给出了满足自控条件的区域。使用这种方法，就增强FBR的自控能力进行了讨论。

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《International topical meeting on nuclear thermal hydraulics, operations and safety;NUTHOS-5》|1997年|p.T6-1-6 ^b 6|共1页
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Hisashi Ninokata; Tetsuo Sawada; Hiroshi Endo;
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中图分类原子能技术;
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A general method to evaluate passive safety characteristics of FBRS

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