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THE MODELLING AND COUPLING METHODOLOGY OF ANSYS CFX USING POROUS MEDIA FOR PB-AHTR

机译:PB-AHTR多孔介质对ANSYS CFX的建模与耦合方法

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This paper introduces a first-principle steady-state coupling methodology using the Monte Carlo Code RMC and the CFD code CFX which can be used for the analysis of small and medium reactors. The RMC code is used for neutronics calculation while CFX is used for Thermal-Hydraulics (T-H) calculation. A Pebble Bed-Advanced High Temperature Reactor (PB-AHTR) core is modeled using this method. The porous media is used in the CFX model to simulate the pebble bed structure in PB-AHTR. This research concludes that the steady-state coupled calculation using RMC and CFX is feasible and can obtain stable results within a few iterations.
机译:本文介绍了使用蒙特卡罗代码RMC和CFD代码CFX的第一原理稳态耦合方法,该方法可用于中小型反应堆的分析。 RMC代码用于中子学计算,而CFX用于热工液压(T-H)计算。使用此方法对卵石床高级高温反应堆(PB-AHTR)堆芯进行了建模。在CFX模型中使用多孔介质来模拟PB-AHTR中的卵石床结构。该研究得出的结论是,使用RMC和CFX进行稳态耦合计算是可行的,并且可以在几次迭代中获得稳定的结果。

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