Temperature Analysis Study on Core Shroud Based on Thermal-Fluid-Structure Coupling Effect
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摘要: 针对堆芯围筒及吊篮结构的固体和流体耦合问题,采用三维实体热单元、三维表面热效应单元及三维耦合热-流体管单元建立有限元分析模型,重点探讨堆芯围筒、吊篮筒体、冷却剂流体热流固耦合的温度分析方法,为堆内构件关键技术研究提供借鉴。Abstract: In this paper,3-D FEM core shroud and core barrel are modeled based on thermal-fluid-structure coupling effect.The temperature analysis method are studied with 3-D thermal solid element,3-D thermal surface effect element and 3-D coupled thermal-fluid pipe element,which is expected to be useful for key technique study on reactor internals.
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Key words:
- Reactor internals /
- Core shroud /
- Temperature analysis /
- Thermal-fluid-structure coupling
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