Study on Method of Evaluating PWR Fuel Assembly Leaf Spring Hold-down System
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摘要: 分析了核反应堆燃料组件板弹簧压紧系统的非线性特点,提出了缓解非线性的设计应对措施;并对燃料组件板弹簧压紧系统性能评价方法进行了研究。以浮动核电站用板弹簧压紧系统为例进行了结构优化和性能评价,给出了优化后板弹簧压紧系统结构用于浮动核电站的性能情况。Abstract: The nonlinear phenomenon of the hold-down system is analyzed and some design response measures are proposed. Then, the method for evaluating the PWR fuel assembly leaf spring hold-down system is put forward. Last, the method is used for the design optimization of the leaf spring hold-down system of the floating NPP fuel assembly.
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Key words:
- Fuel assembly /
- Hold-down system /
- Leaf spring /
- Operation characteristics /
- Performance evaluation
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