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首页> 外文期刊>Journal of Engineering & Applied Sciences >Thermal-Hydraulic Simulation of a Radiant Steam Boiler Tube Rupture Transient Using Relap5/Mod3.2
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Thermal-Hydraulic Simulation of a Radiant Steam Boiler Tube Rupture Transient Using Relap5/Mod3.2

机译：使用Relap5 / Mod3.2的辐射式蒸汽锅炉管破裂瞬态的热工水力模拟

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摘要

A steam boiler is a complex system comprised of numerous components. In the operation of industrial steam boiler, it is very important to evaluate different accident scenarios in actual plant conditions. One of the main accidents is steam generator tube rupture. Numerical simulation using best estimate computer codes like Relap5 are useful for understanding thermal-hydraulic behavior of a steam boiler during normal and accidental operating conditions. In this study, the analytical investigation of an industrial steam boiler behavior during feedwater line break accident is discussed. A detailed nodalization of the steam boiler installation is developed based on Relap5/Mod3.2 to be suitable for the analysis of the various accidents. The control and regulation systems are also considered. Water level, pressure, temperature and flow rates profiles are presented in various steam boiler system components. From the result, the thermal-hydraulic code correctly predicts the behavior of the main plant parameters in comparison with the experimental data and how the control system when required can successfully mitigate the accident.
机译：蒸汽锅炉是由许多组件组成的复杂系统。在工业蒸汽锅炉的运行中，评估实际工厂条件下的不同事故场景非常重要。主要事故之一是蒸汽发生器的管道破裂。使用最佳估计计算机代码（例如Relap5）进行数值模拟，对于理解蒸汽锅炉在正常和意外运行条件下的热工行为很有用。在这项研究中，讨论了在给水管线断裂事故期间工业蒸汽锅炉性能的分析研究。基于Relap5 / Mod3.2开发了蒸汽锅炉安装的详细节点，以适合于各种事故的分析。还考虑了控制和调节系统。水位，压力，温度和流量曲线在蒸汽锅炉系统的各个组件中都有显示。从结果来看，热工液压代码与实验数据相比较可以正确预测主要工厂参数的行为，以及在需要时控制系统如何能够成功缓解事故。

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