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利用热工水力学程序RETRAN-02和反应堆物理计算程序MARIA,计算和分析了微型中子源反应堆MNSR的瞬态特性。计算得到的事故序列和后果与实验值进行了比较。为了研究Doppler效应,考虑了反应堆的有效共振积分。计算了反应性温度系数的权重因子。计算了反应堆功率峰,冷却剂。入口温度,出口温度和冷却剂质量流量等瞬态参数并与实验值进行了比较。
The transient characteristics of MNSR are calculated and analyzed by using the program RETRAN-02 of thermodynamics and MARIA of reactor physics. Computed accident sequences and consequences were compared with experimental values. In order to study the Doppler effect, the effective resonance integral of the reactor is considered. The weight factor of the reactivity temperature coefficient was calculated. Reactor power peak and coolant were calculated. The transient parameters such as inlet temperature, outlet temperature and coolant mass flow were compared with the experimental values.