核反应堆堆芯吊篮压紧弹簧松弛特性

杨泰波, 刘佳鑫, 彭志科, 罗能, 刘才学

Relaxation Characteristics of Hold-Down Spring of Core Support Barrel in Nuclear Reactor

YANG Taibo, LIU Jiaxin, PENG Zhike, LUO Neng, LIU Caixue

表2 压紧弹簧松弛与堆芯吊篮一阶梁式频率关系

Tab.2 Relaxation degrees of HDS versus first-order beam mode frequencies of CSB

序号 松弛 程度/% 堆芯吊篮一阶梁式频率 试验值/Hz 仿真值/Hz 误差/% 1 0 10.4 10.62 2.12 2 15 9.4 9.56 1.70 3 30 8.1 8.23 1.60 4 50 6.1 5.98 -1.97