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对反应性与时间有关的堆动态微分-积分方程,用方波加权解出反应性与所测中子水平的关系。给出两个测反应性的公式。证明落棒法和暂态分析法仅为方波加权法的特例。从理论和实验上证明了方波加权法兼有落棒法和渐近周期法的功能,可以1.测定具有任何插入方式的控制棒的效率; 2.抑制光致缓发中子效应; 3.可以比较快的测量控制棒的刻度曲线。在重水堆上,用方波加权法提供的公式,能克服光致缓发中子带来的困难,迅速而准确地进行控制棒效应测量。
Reactive and time-related heap dynamic differential-integral equations are solved by square wave weights to determine the relationship between reactivity and measured neutron levels. Two formulas for measuring reactivity are given. It is proved that the falling-off method and the transient analysis method are only special cases of the square wave weighting method. The square-wave weighted method is proved theoretically and experimentally to have both the falling-off method and the asymptotic-period method. The efficiency of the control rod with any insertion method can be determined. 2. The suppression of the photo-delayed neutron effect. 3 You can measure the scale curve of the control rod faster. On heavy water reactors, the formula provided by the square-wave weighting method overcomes the difficulties posed by photodissociated neutrons and enables rapid and accurate control rod effect measurements.