Numerical Simulation of Non-Linear Characteristics of Fuel Assembly Leaf Spring Hold-down System
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摘要: 燃料组件压紧系统是核反应堆燃料组件的重要部件,其性能影响到燃料组件的完整性乃至安全性。本文研究了板弹簧压紧系统运行过程中的非线性特点,并逐项给出了模拟措施,实现了板弹簧压紧系统非线性特征的数值模拟;并通过实测数据对数值模拟方法进行了验证。Abstract: Hold-down system is one important part of the fuel assembly, which performance has important effects on the integrity and security of the fuel assembly. In this paper, the numerical simulation method for non-linear characteristics of the leaf spring hold-down system is studied. Then the method is verified by the calculated data comparing to the measured data.
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Key words:
- Fuel assembly /
- Hold-down system /
- Leaf spring /
- Non-linear /
- Numerical simulation
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