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Effect of the magnetic field on the hydrodynamic permeability of a membrane

机译:磁场对膜的水动力渗透性的影响

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The present paper concerns the influence of the magnetic field on the permeability of a membrane of solid cylindrical particles covered with porous layer. Here, we have considered the flow along the axis of cylinder and the alignment of uniform magnetic field is assumed to be perpendicular to the axis. The Brink- man equation is used for flow through porous region and Stokes equation is used for flow through clear fluid region. To model flow through assemblage of particles, cell model technique has been used i.e. the porous cylindrical shell is assumed to be confined within a hypothetical cell of same geometry. The stress jump con- dition has been employed at the fluid-porous interface and all four alternative conditions Happel, Kuwabara, Kvashnin and Mehta-Morse/Cunningham are used at the hypothetical cell. Effect of the Hartmann number on the hydrodynamic permeability of the membrane is discussed.
机译:本文涉及磁场对覆盖有多孔层的固体圆柱形颗粒的膜的渗透性的影响。在这里,我们考虑了沿着圆柱轴的流动,并且假定均匀磁场的排列垂直于该轴。布林克曼方程用于通过多孔区域的流动,斯托克斯方程用于通过透明流体区域的流动。为了模拟通过颗粒聚集的流动,已经使用了单元模型技术,即,假设多孔圆柱壳被限制在相同几何形状的假设单元内。在流体-多孔界面处采用了应力跳跃条件,在假设的单元中使用了Happel,Kuwabara,Kvashnin和Mehta-Morse / Cunningham的所有四个替代条件。讨论了哈特曼数对膜的水动力渗透性的影响。

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