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逆动态方法是测定反应性的重要方法。在空间效应不显著、堆芯有外源(或较强的分布源)和功率较低情况下,用两参数符合处理逆动态法实验数据,可同时得到反应性和有效源强。利用两参数符合得到有效源强,可逐点计算与每一时刻相对应的瞬时反应性值,了解反应性瞬时变化情况。
Inverse dynamic method is an important method to determine the reactivity. Under the condition of non-significant space effect, core with exogenous (or strong source) and low power, two parameters can be used to deal with the experimental data of the inverse dynamic method to obtain both the reactivity and the effective source intensity. The effective source intensity can be obtained by the coincidence of two parameters, and the instantaneous reactivity value corresponding to each moment can be computed point by point to know the instantaneous change of reactivity.