核安全2024，Vol.23Issue(2)：45-53,9.
反应堆运行工况下SiC复合包壳的多物理场耦合性能分析
Multiphysics Analysis of Advanced Fuel Performance With SiC Cladding Under normal Operating Conditions in a Light Water Reactor
肖玲 1卢志威 1武海龙 1薛佳祥 1廖业宏1
作者信息
- 1. 中广核研究院有限公司,深圳 518026
- 折叠
摘要
Abstract
After the Fukushima accident in Japan,SiC composites have significant advantages in high temperature strength,radiation stability,creep resistance,oxidation resistance,abrasion resistance and other aspects,and have great fault tolerance potential under the accident condition of light water reactors.Therefore,nuclear fuel solutions based on SiC composites are currently a research hotspot in the international nuclear fuel industry.There are significant differences between SiC composite cladding and Zr alloy cladding in structural form and material properties.The existing fuel performance analysis program is no longer suitable for the simulation and calculation analysis of SiC composite cladding.In this paper,the finite element analysis method is used to simulate the thermodynamic behavior of double-layer SiC composite cladding and advanced fuel pellets under normal reactor operating conditions.The simulation results show that the U3Si2 fuel has better temperature characteristics than the UO2 and UN fuel under the steady-state condition.In terms of mechanical properties,UN can delay the PCMI time,reduce the interaction between fuel and cladding,and lower the probability of cladding failure.关键词
SiC/包壳/有限元/多物理场分析/热力学性能分析Key words
SiC/cladding/finite element/multiphysics analysis分类
能源科技引用本文复制引用
肖玲,卢志威,武海龙,薛佳祥,廖业宏..反应堆运行工况下SiC复合包壳的多物理场耦合性能分析[J].核安全,2024,23(2):45-53,9.
