Numerical analysis of the dynamic response of water-cooled liquid-LiPb breeder blankets to coolant tube rupture

Nuclear engineering and design/fusion : an international journal devoted to the thermal, mechanical, materials, structural, and design problems of fusion energy Pub Date : 1986-01-01 DOI:10.1016/S0167-899X(86)80005-2

H.Th. Klippel

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引用次数: 9

Abstract

The dynamic response of different water-cooled liquid Li₁₇Pb₈₃ breeder blanket modules has been calculated to investigate the integrity of these modules under conditions of coolant tube rupture. Numerical calculations with the code PISCES were carried out taking into account the fluid-structure interaction and the elasto-plastic behaviour of the structural material. The results show that for inert coolant characteristics the proposed conceptual designs for INTOR and NET have sufficient resistance against the pressure shock waves created by a coolant tube rupture, but when taking into account energy release due to chemical reaction of water with LiPb-alloy, up to doubling of the wall thickness has to be envisaged to guarantee structural reliability.

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水冷液体- lipb增殖包层对冷却剂管破裂动态响应的数值分析

通过对不同水冷液态Li17Pb83增殖堆包层组件的动态响应计算，考察了冷却剂管破裂条件下这些组件的完整性。考虑到结构材料的流固相互作用和弹塑性行为，用双鱼座代码进行了数值计算。结果表明，对于惰性冷却剂特性，所提出的INTOR和NET概念设计对冷却剂管破裂产生的压力冲击波具有足够的抵抗能力，但当考虑到水与lipb合金化学反应产生的能量释放时，必须设想将壁厚增加一倍以保证结构可靠性。

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Nuclear engineering and design/fusion : an international journal devoted to the thermal, mechanical, materials, structural, and design problems of fusion energy

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