两种不同密封面结构反应堆压力容器的密封性能对比研究

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Comparative Study on Two Different Seal surface Structure for Reactor Pressure Vessel Sealing Behavior

China Nuclear Power Design Company, LTD (SHENZHEN), Shenzhen, Guangdong, 518124, China

摘要: 反应堆压力容器(RPV)密封面结构是影响RPV密封性能的重要因素。建立2种不同密封面结构的RPV三维有限元模型,研究其对RPV密封性能的影响,并得到上、下法兰轴向分离量以及主螺栓载荷等分析评价RPV密封性能的关键指标,同时,对比分析2种密封面结构形式的安全裕量,为优化RPV密封面结构设计提供理论依据。
- 反应堆压力容器(RPV) /
- 密封面结构 /
- 密封分析 /
- 安全裕量 /
- 对比研究
Abstract: The seal surface structure is very important to reactor pressure vessel（RPV） sealing behavior. In this paper, two 3-D RPV sealing analysis finite models have been established with different seal surface structures, in order to study the influence of two structures. The separation of RPV upper and lower flanges, bolt loads and etc. are obtained, which are used to evaluate the sealing behavior of the RPV. Meanwhile, the comparative analysis of safety margin of two seal surface structural had been done, which provides the theoretical basis for RPV seal structure design optimization.
- Reactor pressure vessel /
- Seal surface structure /
- Sealing analysis /
- Safety margin /
- Comparative study