快堆主容器内液钠晃动抑制方法的研究  

Study on restraining to liquid sodium sloshing in the FBR main vessel

作　　者：王艺萍[1] 陆道纲[1] 卫媛媛[1] 

机构地区：[1]华北电力大学核科学与工程学院,北京102206

出　　处：《华北电力大学学报（自然科学版）》2011年第1期1-5,共5页Journal of North China Electric Power University：Natural Science Edition

基　　金：国家自然科学基金资助项目(50776031);长江学者和创新团队发展计划资助项目(IRT0720)

摘　　要：在反应堆主容器中的冷却剂属于带有自由液面的不可压缩流体,液面下的冷却剂的流动可能诱发液面的晃动,此外地震力也可能引起液面的晃动,该流动不稳定性可能影响到核反应堆安全运行。通过计算分析预示这些冷却剂不稳定流动的后果,同时将结果反馈到设计中,增加必要的安全设施,将对快堆的安全设计有重要的参考价值。采用粒子法(移动粒子半隐式),对地震引起的晃动和流动引起的晃动,设计了不同尺寸、位置的晃动抑制板,分别模拟了各个环板对晃动的抑制作用,并与无环板的情况进行了比较,通过观察和数据结果分析找到了抑制快堆液钠晃动的较为有效的尺寸和位置,为进一步深入精确的研究提供了参考。For the primary coolant in main vessel is non-compressible fluid with free surface,coolant flow can induce the liquid surface slosh,moreover seismic force can also cause the liquid surface shaking,this flow instability may affect nuclear reactor safety operation.Analysis of the coolant unstable flow and feedback of the result could provide reference for design and placement the safety equipment.Suppression boards with different dimensions and locations were designed to suppress the sloshing of the free surface.After the sloshing suppression effect was simulated with Moving Particle Semi-implicit（MPS） method,the results were compared to the case without suppression boards,through the observation and data analysis,a relatively effective dimension and location of suppression board was obtained,which provides a reference to the further precise study.

关 键 词：快堆 自由液面 粒子法 晃动抑制 抑制板 

分 类 号：TL33[核科学技术—核技术及应用]