强激光与粒子束, 2018, 30 (10): 106002, 网络出版: 2018-11-25  

基于JMCT和FLUENT的物理-热工耦合计算

Coupled neutronics and thermal-hydraulics based on JMCT and FLUENT
作者单位
中国工程物理研究院 核物理与化学研究所, 四川 绵阳 621900
摘要
基于蒙特卡罗程序JMCT2.2和商用CFD程序FLUENT, 通过C++语言, 采用外耦合的方式开发了一套耦合接口程序。利用JMCT网格和FLUENT计算域之间一一映射的方式完成物理模型和CFD模型之间的网格匹配, 实现了物理模型的简单划分和CFD模型网格的精细划分。利用该耦合程序计算了压水堆单根燃料棒模型和3×3带水洞的燃料子组件模型, 并与MCNP与FLUENT耦合计算结果进行对比。计算结果表明, 使用本文的方法, 耦合JMCT程序与FLUENT程序能够用于物理-热工耦合计算并准确提供其反馈参数。
Abstract
A coupling interface between Monte Carlo neutron transport code JMCT2.2 and commercial CFD code FLUENT was developed by C++ language. The one-by-one mapping strategy that one cell in the MCNP model logically corresponded to the computational domain in the FLUENT model was used in this coupling method to realize simple partition of the physical model and refinement of partition of CFD mesh. The calculated results of a PWR single cell model and a PWR 3×3 fuel model were compared between this program and the MCNP-FLUENT program to validate its accuracy. The results demonstrate that this coupling method between JMCT code and FLUENT code is reasonable and it can accurately calculate the feedback parameters.

黄欢, 黄洪文, 郭海兵. 基于JMCT和FLUENT的物理-热工耦合计算[J]. 强激光与粒子束, 2018, 30(10): 106002. Huang Huan, Huang Hongwen, Guo Haibing. Coupled neutronics and thermal-hydraulics based on JMCT and FLUENT[J]. High Power Laser and Particle Beams, 2018, 30(10): 106002.

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