燃料组件由AFA 2G改为AFA 3G对反应堆堆内构件地震响应的影响

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Effect of Fuel Assembly When Changing from AFA 2G to AFA 3G on Seismic Loads of Reactor Internal

Science and Technology on Reactor System Design Technology Laboratory, Nuclear Power Institute of China Chengdu, 610041

摘要: 建立燃料组件为AFA 2G和AFA 3G两种堆芯结构的反应堆非线性地震分析模型,采用ANAYS软件进行地震情况下的非线性时程动力分析研究,并对分析结果进行对比。结果表明:燃料组件由AFA 2G变为AFA 3G不用对反应堆堆内构件进行重新分析评定,只需要对燃料组件本身进行重新分析评定。
- 燃料组件 /
- 反应堆 /
- 地震分析 /
- 非线性
Abstract: Nonlinear seismic model for reactor with fuel assemblies of AFA 2G and AFA 3G is established.Using ANSYS software,seismic nonlinear time-history analysis is completed and the effects on seismic loads of reactor system are obtained.The result shows that when the fuel assembly changing from AFA2G to AFA 3G,it is necessary to reevaluate the fuel assembly itself,but not the reactor internal.
- Fuel assembly /
- Reactor /
- Seismic analysis /
- Nonlinear