| 稳压器波动管热分层应力及疲劳分析 |
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| 引用本文： | 余晓菲,张毅雄.稳压器波动管热分层应力及疲劳分析[J].核动力工程,2011,32(1):6-9,20. |
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| 作者姓名： | 余晓菲 张毅雄 |
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| 作者单位： | 中国核动力研究设计院核反应堆系统设计技术重点实验室,成都,610041 |
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| 摘 要： | 稳压器波动管内流体的温度分层引起管壁温度分层,从而在管道截面产生整体弯曲应力、局部热应力以及管道系统超过预期的位移和支撑载荷.将稳压器波动管的热分层这种复杂的三维应力分析问题简化为一维和二维组合问题,利用SYSTUS程序和ROCOCO程序对秦山核电二期扩建工程稳压器波动管热分层的应力及疲劳进行了分析研究,计算了考虑热分...
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| 关 键 词： | 稳压器波动管 热分层 应力 疲劳 |
Thermal Stratification and Fatigue Stress Analysis for Pressurizer Surge Line |
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| YU Xiao-fei,ZHANG Yi-xiong.Thermal Stratification and Fatigue Stress Analysis for Pressurizer Surge Line[J].Nuclear Power Engineering,2011,32(1):6-9,20. |
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| Authors: | YU Xiao-fei ZHANG Yi-xiong |
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| Affiliation: | YU Xiao-fei,ZHANG Yi-xiong (Science and Technology on Reactor System Design Technology Laboratory,Nuclear Power Institute of China,Chengdu,610041,China) |
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| Abstract: | Thermal stratification of pressurizer surge line induced by the inside fluid results in the global bending moments,local thermal stresses,unexpected displacements and support loadings of the pipe system.In order to avoid a costly three-dimensional computation,a combined 1D/2D technique has been developed and implemented to analyze the thermal stratification and fatigue stress of pressurize surge line of QINSHAN Phase II Extension Nuclear Power Project in this paper,using the computer codes SYSTUS and ROCOCO... |
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| Keywords: | Pressurizer surge line Thermal stratification Stress Fatigue |
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