反应性阶跃方法测量次临界反应性

Measurement of Reactivity at Subcriticality by Reactivity Prompt Jump Method

摘要: 反应性阶跃法和落棒法相似，均通过快速改变控制棒的位置快速改变反应堆反应性，但在实验条件上存在较大差异。本文以6群缓发中子点堆方程为基础，反应性阶跃假定为条件，得到了反应性阶跃法所适用的反应性方程，并采用CFBR-Ⅱ堆实验数据验证了该方法。

Abstract: Similar with rod drop method, reactivity is changed by moving a control rod rapidly with reactivity prompt jump method. Base on 6 groups delayed neutron point kinetics equations, the reactivity equation was deduced by assuming reactivity prompt jump. And the prompt jump method was validated by experimental data on CFBR-Ⅱ.