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核聚变与等离子体物理 ›› 2012, Vol. 32 ›› Issue (1): 15-20.

• 等离子体物理学 • 上一篇    下一篇

矩形管道中液态金属MHD流动数值模拟研究

张秀杰1,毛 洁2,潘传杰1,许增裕1   

  1. (1. 核工业西南物理研究院,成都 610041;2. 杭州电子科技大学,杭州 310018)
  • 收稿日期:2011-07-15 修回日期:2011-11-16 出版日期:2012-03-15 发布日期:2012-03-14
  • 作者简介:张秀杰(1979-),男,山东临沂人,助理研究员,硕士,从事包层MHD效应及热工水力研究工作。
  • 基金资助:

    国家自然科学基金资助项目(19685005,10705010,11105044)

Numerical analysis of liquid metal MHD flows in rectangular duct

ZHANG Xiu-jie1, MAO Jie2, PAN Chuan-jie1, XU Zeng-yu1   

  1. (1. Southwestern Institute of Physics, Chengdu 610041; 2. Hangzhou Dianzi University, Hangzhou 310018 )
  • Received:2011-07-15 Revised:2011-11-16 Online:2012-03-15 Published:2012-03-14

摘要:

基于感应电磁场方程发展了低磁雷诺数条件下充分发展液态金属管道流的数值模拟程序。为了校正程序,分别计算了两种工况:液态金属在全绝缘管道和部分绝缘管道中的流动,数值结果与Hunt和Shercliff的解析解吻合的很好,表明该程序具有很高的精度。最后利用发展的程序对液态金属钠钾合金在管壁材料为304不锈钢的全导电管道中的流动进行了数值模拟,并对流速分布和MHD压降结果与实验结果进行了比较,结果表明数值与实验结果吻合较好。

关键词: 磁感应方程, 液态金属, MHD管道流, 数值模拟

Abstract:

A code has been developed for analyzing MHD duct flows under low magnetic Reynolds number condition based on induced magnetic field formulation. For benchmark of this code, two different cases were simulated, they were electric conductive fluid in rectangular duct with all insulated walls and Hunt's case of conductive walls. Numerical results matched well with Hunt's and Shercliff's analytical solutions, it shows very good accuracy of this code. Finally the case of liquid metal Na-K alloy flowed in rectangular duct with all conductive walls made of 304 stainless steel was simulated utilizing this code, numerical results of velocity profile in the cross section of the duct and MHD pressure drop were compared with our experimental results, the comparison shows they were in good agreement with each other.

Key words: Induced magnetic equation, Liquid metal, MHD duct flows, Numerical simulation

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