留言板

尊敬的读者、作者、审稿人, 关于本刊的投稿、审稿、编辑和出版的任何问题, 您可以本页添加留言。我们将尽快给您答复。谢谢您的支持!

姓名
邮箱
手机号码
标题
留言内容
验证码

纤维悬浮剪切湍流中纤维旋转扩散系数的理论研究

高振宇 林建忠 李俊

高振宇, 林建忠, 李俊. 纤维悬浮剪切湍流中纤维旋转扩散系数的理论研究[J]. 应用数学和力学, 2007, 28(3): 263-269.
引用本文: 高振宇, 林建忠, 李俊. 纤维悬浮剪切湍流中纤维旋转扩散系数的理论研究[J]. 应用数学和力学, 2007, 28(3): 263-269.
GAO Zhen-yu, LIN Jian-zhong, LI Jun. Theoretical Research on the Rotational Dispersion Coefficient of Fiber in the Turbulent Shear Flow of Fiber Suspension[J]. Applied Mathematics and Mechanics, 2007, 28(3): 263-269.
Citation: GAO Zhen-yu, LIN Jian-zhong, LI Jun. Theoretical Research on the Rotational Dispersion Coefficient of Fiber in the Turbulent Shear Flow of Fiber Suspension[J]. Applied Mathematics and Mechanics, 2007, 28(3): 263-269.

纤维悬浮剪切湍流中纤维旋转扩散系数的理论研究

基金项目: 国家自然科学基金(重点)资助项目(10632070)
详细信息
    作者简介:

    高振宇(1979- ),男,沈阳人,博士;林建忠(1958- ),男,福建建阳人,教授,博士生导师(联系人.Tel:+86O571O86836009;E-mail:jzlin@sfp.zju.edu.cn).

  • 中图分类号: O359

Theoretical Research on the Rotational Dispersion Coefficient of Fiber in the Turbulent Shear Flow of Fiber Suspension

  • 摘要: 对纤维悬浮剪切湍流中纤维旋转扩散系数进行了理论研究.首先建立了流场不同脉动速度梯度间的相关矩函数,然后推导出了纤维旋转扩散系数的表达式,该表达式依赖于特征长度、时间、速度和一个与壁面作用相关的无量纲参数.得到的纤维旋转扩散系数可以应用于非均匀和非各向同性的湍流场,此外还可以推广到三维湍流场,因而为纤维悬浮湍流场的研究提供了理论基础.
  • [1] Asgharian B,Yu C.Deposition of fibers in the rat lung[J].Journal of Aerosol Science,1989,30:355-366.
    [2] Kagermann H, Kohler W. On the motion of non-spherical particles in a turbulent flow[J].Physica A,1984,116:178-198.
    [3] Krushkal E,Gallily I. On the orientation distribution function of non-spherical aerosol particles in a general shear flow-ii. The turbulent case[J].Journal of Aerosol Science,1988,19:197-211. doi: 10.1016/0021-8502(88)90223-6
    [4] Bernstein O, Shapiro M. Direct determination of the orientation distribution function of cylindrical particles immersed in laminar and turbulent flow[J].Journal of Aerosol Science,1994,25(1):113-136.
    [5] 林建忠,林江,石兴.两相流中柱状固粒对流体湍动特性影响的研究[J].应用数学和力学,2002,23(5):483-488.
    [6] LIN Jian-zhong,SHI Xing,YU Zhao-sheng.The motion of cylindrical particles in an evolving mixing layer[J].Int J of Multiphase Flow,2003,29(8):1355-1372. doi: 10.1016/S0301-9322(03)00086-7
    [7] LIN Jian-zhong,ZHANG Wei-feng,YU Zhao-sheng. Numerical research on the orientation distribution of fibers immersed in laminar and turbulent pipe flows[J].Journal of Aerosol Science,2004,35(1):63-82. doi: 10.1016/S0021-8502(03)00388-4
    [8] Olson J A, Richerd J K.The motion of fibres in turbulent flow[J].J Fluid Mech,1998,377:47-64. doi: 10.1017/S0022112098002973
    [9] Olson J A. The motion of fibres in turbulent flow, stochastic simulation of isotropic homogeneous turbulence[J].Int J Multiphase Flow,2001,27:2083-2103. doi: 10.1016/S0301-9322(01)00050-7
    [10] GAO Zhen-yu,LIN Jian-zhong.Research on the dispersion of cylindrical particles in turbulent flows [J].Journal of Hydrodynamics,2004,16(1):1-6.
    [11] Doi M, CHEN Dong.Simulation of aggregating colloids in shear flow[J].J Chem Phys,1989,90:5271-5279. doi: 10.1063/1.456430
    [12] Jeffery G B.The motion of ellipsoidal particles immersed in a viscous fluid[J].Proc R Soc London A,1922,102:161-179. doi: 10.1098/rspa.1922.0078
    [13] 窦国仁. 紊动力学[M].北京:人民教育出版社,1981.
  • 加载中
计量
  • 文章访问数:  2057
  • HTML全文浏览量:  35
  • PDF下载量:  636
  • 被引次数: 0
出版历程
  • 收稿日期:  2005-03-29
  • 修回日期:  2006-12-20
  • 刊出日期:  2007-03-15

目录

    /

    返回文章
    返回