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压水堆核电机组反应堆系统仿真实现

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本文根据压水堆的物理特性,综合运用中子动力学、温度反馈效应、中毒效应、堆芯热传递等相关数学模型,建立了适用于PC使用的压水堆核电站反应堆本体的仿真模块。然后利用Matlab/Simulink实现了该模型的实时仿真,建立了包括中子动力学仿真子模块、氙中毒效应仿真子模块、温度反馈仿真子模块和堆芯热传输仿真子模块在内的四个仿真模块。最后封装成压水堆核电站反应堆系统仿真模块。所建立的反应堆仿真模块基于点堆模型,从数值仿真结果来看,由它导出的结果令人满意。该模型可用于分析反应堆的大部分瞬态过程,解释堆内中子通量密度随时间变化的大部分特性,研究局部扰动对反应堆堆芯参数的影响。
The Realization of PWR Reactor System Simulation
On the basis of PWR physical characteristics and the integrated use of neutron kinetics, temperature feedback effect, poisoning effect, core heat transfer and other related mathematics model, the nuclear power station's core physical and mathematical models applicable to a PC simulation has been established. Then the real-time simulation model, which including Neutron Dynamics simulation module, Xenon Poisoning Effects simulation module, Temperature Feedback simulation module and Core Heat Transfer simulation module, is realized by the Matlab / Simulink simulation tool. Finally they are integrated into nuclear power plant Reactor System simulation module. Simulation results show that the mathematical models have high degree of accuracy. The model can be used to analyze the most transient reactor process, explain neutron flux density properties with time, and research the partial perturbation's influence to reactor parameters.

PWRReactorPoint reactor modelSimulation

郭俊伟、陈启卷

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武汉大学动力与机械学院 湖北武汉 430072

福建宁德核电公司 福建宁德 355200

压水堆 反应堆 点堆模型 仿真

2014

科技研究

科技研究

ISSN:
年,卷(期):2014.(25)
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