Analysis of the axial fitting clearance between the fuel rod and the end seat in CIADS

• 作 者: Ya-Feng Shu Yong-Wei Yang Xin
• 机 构: InstituteofModernPhysics
• 出 处: 核技术：英文版
• 发表日期: 2016年6期
• 关键词: 燃料棒 装配间隙 轴向 加速器驱动系统 ANSYS 燃料组件 模拟计算 临界应力 Thermal expansion Critical stress AFC
• 基金项目: This work was supported by the ＂Strategic Priority Research Program＂ of Chinese Academy of Sciences （No. XDA03030102）.

The fuel assembly is key structure in China Initiative Accelerator Driven System,and the axial fitting clearance(AFC) for the fuel assembly design is an essential subject of study.In this paper,different methods are used to calculate critical stress in cy