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Mechanism model and simulation of pressurizer in the pressurized water reactor nuclear power plant

机译：加压水反应堆核电站加压器的机理模型与仿真

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A dynamic two-phase imbalance mechanism model of pressurizer in pressurized water reactor (PWR) nuclear power plant was built based on some reasonable simplifications and basic assumptions. During the detailed reduction, the equations of energy conservation, mass and momentum conservation are used in obtaining a dynamic two-phase imbalance mechanism model. Considering the influence of the spray flow, heater and safety valve, a pressurizer system was also established upon the Star-90 simulation platform by means of module packaging. The two step disturbances of heater power and spray flow rate were used to test model's dynamic characteristic while the pressurizer was at full running. The simulation results were compared with the original data obtained by a foreign PWR nuclear power plant simulator. The results show that the mechanism model of pressurizer has good dynamic performance and high accuracy.
机译：基于一些合理的简化和基本假设，建立了加压水反应器（PWR）核电站加压器动态两相不平衡机制模型。在详细的减少期间，使用节能，质量和动量守恒的方程用于获得动态的两相失衡机制模型。考虑到喷雾流动，加热器和安全阀的影响，通过模块包装在星形-90仿真平台上建立了加压系统。加热器功率和喷雾流量的两步扰动用于测试模型的动态特性，而加压器处于全运行。将仿真结果与外部PWR核电厂模拟器获得的原始数据进行了比较。结果表明，加压器机制模型具有良好的动态性能和高精度。

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