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电磁力控制下圆柱绕流的涡度拟能

张辉 范宝春 陈志华

张辉, 范宝春, 陈志华. 电磁力控制下圆柱绕流的涡度拟能[J]. 应用数学和力学, 2008, 29(11): 1365-1375.
引用本文: 张辉, 范宝春, 陈志华. 电磁力控制下圆柱绕流的涡度拟能[J]. 应用数学和力学, 2008, 29(11): 1365-1375.
ZHANG Hui, FAN Bao-chun, CHEN Zhi-hua. Evolution of Global Enstrophy in Cylinder Wake Controlled by Lorentz Force[J]. Applied Mathematics and Mechanics, 2008, 29(11): 1365-1375.
Citation: ZHANG Hui, FAN Bao-chun, CHEN Zhi-hua. Evolution of Global Enstrophy in Cylinder Wake Controlled by Lorentz Force[J]. Applied Mathematics and Mechanics, 2008, 29(11): 1365-1375.

电磁力控制下圆柱绕流的涡度拟能

详细信息
    作者简介:

    张辉(1981- ),男,江苏徐州人,博士生(Tel:+86-25-84303236);范宝春(1945- ),男,江苏扬州人,教授,博士生导师(联系人.Tel:+86-25-84303235;E-mail:bcfan@mail.njust.edu.cn).

  • 中图分类号: O361

Evolution of Global Enstrophy in Cylinder Wake Controlled by Lorentz Force

  • 摘要: Okubo-Weiss函数与流元的容变、畸变以及涡量相关,可以用来评估流场的涡结构.经该文数学证明,对于边界无滑移的,低Reynolds数的二维不可压缩流动,Okubo-Weiss函数的全流场积分为0.还以电磁控制的圆柱绕流为例,通过数值计算,对该结论进行了验证.根据计算结果,依据Okubo-Weiss函数值,对流场进行了划分,讨论了总涡度拟能、总变形率和Okubo-Weiss函数在流场中的分布规律,以及电磁力对分布的影响.
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出版历程
  • 收稿日期:  2007-10-12
  • 修回日期:  2008-10-08
  • 刊出日期:  2008-11-15

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