中国实验快堆全厂断电事故多维度热工耦合计算

Multi-dimension Coupled Simulation Method of Thermalhydralic Behavior in China Experimental Fast Reactor Under Blackout Accident

摘要: 多维度耦合方法是将传统的一维反应堆热工流体力学程序与三维流体动力学分析软件通过一定的耦合方法结合起来，实现反应堆局部复杂流体现象分析与系统计算的耦合方法。本工作根据中国实验快堆设计和运行经验，开发了基于Rubin和Fluent的耦合程序框架，完成了中国实验快堆全厂断电工况的计算和验证。计算结果表明，耦合方法对全场断电事故的计算结果合理可靠，是对一维系统程序分析方法的有益补充。

Abstract: Multi-dimension coupled simulation is a method which combines the analysis of complex hydromechanical phenomenon in reactor with system calculation by the method of coupling traditional one-dimensional thermo hydrodynamic program with CFD software. The coupling frame was developed based on Rubin and Fluent codes. By the test calculation under the station blackout accident of China Experimental Fast Reactor (CEFR), multi-dimension coupled simulation is proved reasonable and gives a efficient supplement to system calculation method.