Creep-Fatigue Analysis and Evaluation of Thorium-Based Molten Salt Reactor Loop Pipe
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摘要: 钍基熔盐堆(TMSR)回路管道的运行温度大于500℃,需要采用高温反应堆的评定准则来进行评定。对于高温管道需对其进行应力、应变及蠕变-疲劳分析来保证其完整性。传统的方法是采用ANSYS软件建立有限元模型来进行蠕变-疲劳分析,耗时费力。本文采用PIPESTRESS软件对TMSR回路管道进行评定。分析结果表明:通过引入应力指数,对PIPESTRESS软件的计算结果进行处理,可以完成回路管道蠕变-疲劳分析的快速评定。在TMSR回路管道分析中,该方法省时省力,是一种更加实用和有效的方法。
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关键词:
- 钍基熔盐堆(TMSR) /
- 回路管道 /
- 蠕变-疲劳 /
- 应力指数 /
- PIPESTRESS
Abstract: The operation temperature of loop pipe is higher than 500℃ in the thorium-based molten salt reactor（TMSR）.The pipe evaluation is based on rules for high temperature reactors.The stress,strain,deformation and creep-fatigue shall be evaluated for satisfying the structural integrity.The traditional method of ANSYS evaluating the creep-fatigue is the finite element analysis,but it is more complex and time-consuming and boring labor.The PIPESTRESS is used to analyze the loop pipe of TMSR.The results show that the stress indices are calculated and the creep-fatigue fast evaluation of the TMSR loop pipe is done by PIPESTRESS.The analysis method is a more effective and practical method used for the evaluation of the TMSR loop pipe.-
Key words:
- TMSR /
- Loop pipe /
- Creep-fatigue /
- Stress indices /
- PIPESTRESS
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