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首页> 外文期刊>Journal of nuclear science and technology >Experimental and Analytical Investigation of the Fast Reactor Passive Shutdown System: LIM
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Experimental and Analytical Investigation of the Fast Reactor Passive Shutdown System: LIM

机译:快速反应堆被动关机系统的实验和分析研究:LIM

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摘要

To enhance the inherent safety of the fast reactors, the lithium injection module (LIM) is proposed for inherent ultimate shutdown instead of conventional scram rod. LIM is composed of a refractory metal envelope in which 95% enriched ~6Li is enclosed. In case the core outlet temperature exceeds the melting point of the freeze seal, ~6Li is injected by a pneumatic mechanism from the top to bottom chamber to achieve negative reactivity insertion. This concept is attractive because the actuator has no moving parts and depends on the reliable physical property. In this paper, experimental and analytical verification of the LIM performance are presented. Real-time monitoring of LIM during reactor operation has been discussed as well.
机译:为了提高快速反应堆的固有安全性,建议使用锂喷射模块(LIM)来实现固有的最终停机,而不是使用传统的急停棒。 LIM由难熔金属外壳组成,其中包裹了95%的〜6Li。如果堆芯出口温度超过冷冻密封的熔点,则通过气动机构从顶部到底部注入〜6Li,以实现负反应性插入。这个概念很有吸引力,因为执行器没有运动部件,并且取决于可靠的物理特性。本文介绍了LIM性能的实验和分析验证。还讨论了反应堆运行期间LIM的实时监控。

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