反应堆Ⅱ类瞬态工况燃料棒包壳应变分析研究  

Strain analysis of fuel rod cladding in reactor Class Ⅱ transient conditions

作　　者：王璐[1] 庞华[1] 青涛[1] 张坤[1] 唐昌兵 苗一非[1] 殷明阳 WANG Lu;PANG Hua;QING Tao;ZHANG Kun;TANG Changbing;MIAO Yifei;YIN Mingyang(Science and Technology on Reactor Design Technology Laboratory, Nuclear Power Institute of China, Chengdu 610213, China)

机构地区：[1]中国核动力研究设计院核反应堆系统设计技术重点实验室

出　　处：《应用科技》2019年第5期76-79,共4页Applied Science and Technology

基　　金：国家自然科学基金项目（11675161）

摘　　要：在新燃料设计中,为更好保证燃料棒完整性,以田湾核电站5、6号机组长燃料循环堆芯燃料管理为背景,采用自主研发的燃料性能分析程序FUPAC,模拟稳态及Ⅱ类瞬态条件下芯块-包壳的力学行为,并针对所需考虑的关键参数及模型进行研究,得到反应堆Ⅱ类瞬态下包壳应变的分析方法和理论模型。In the new fuel design, in order to better ensure the integrity of the fuel rod, based on the background of long fuel cycle core fuel management for units 5 and 6 of Tianwan nuclear power plant, the FUPAC, a fuel performance analysis program independently developed by our institute, is used to simulate the mechanical behavior of core-cladding under steady state and Class Ⅱ transient conditions, and the key parameters and models to be considered are studied, deriving the analytical method and theoretical model of reactor Class Ⅱ transient cladding strain.

关 键 词：包壳应变 长燃料循环堆芯 关键参数 瞬态 设计准则 力学行为 燃料棒 燃料管理 

分 类 号：TL352.1[核科学技术—核技术及应用]