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首页> 外文期刊>Applied Mechanics and Engineering >FLOW OF A VISCO-ELASTIC FLUID PAST A POROUS PLATE IN A ROTATING SYSTEM
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FLOW OF A VISCO-ELASTIC FLUID PAST A POROUS PLATE IN A ROTATING SYSTEM

机译：粘弹性流体在旋转系统中通过多孔板的流动

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摘要

An analysis is made on a steady flow of an incompressible visco-elastic fluid (of small memory) past a porous plate subject to uniform suction or blowing. The fluid and the plate rotate in unison with uniform angular velocity about an axis perpendicular to the plate. It is shown that for a visco-elastic fluid of small memory, a boundary layer is formed for uniform suction or blowing at the plate. It is found that the primary velocity increases whereas the secondary velocity increases near the plate and decreases away from the plate with an increase in the elastic parameter. The secondary flow shows flow reversal for a large elastic parameter. It is found that both primary and secondary velocities increase near the plate and decrease away from the plate with an increase in the rotation parameter. It is also found that the shear stress due to primary flow increases with an increase in either the elastic parameter or rotation parameter. On the other hand, the shear stress due to secondary flow decreases with an increase in the elastic parameter while it increases with an increase in the rotation parameter. The temperature distribution in the boundary layer is also determined. It is shown that elasticity leads t o an increase in heat transfer at the plate.
机译：对不可压缩的粘弹性流体（具有小记忆）流经多孔板并进行均匀抽吸或吹扫的稳定流动进行了分析。流体和板围绕垂直于板的轴线以均匀的角速度一致地旋转。结果表明，对于小记忆的粘弹性流体，形成边界层以便在板上均匀地抽吸或吹气。发现随着弹性参数的增加，初级速度增加，而次级速度在板附近增加，而远离板则减小。二次流显示出较大弹性参数的逆流。已经发现，随着旋转参数的增加，初级和次级速度在板附近均增加，而在板附近则减小。还发现，由于一次流动引起的剪切应力随着弹性参数或旋转参数的增加而增加。另一方面，由二次流动引起的剪切应力随着弹性参数的增加而减小，而随着旋转参数的增加而增大。还确定边界层中的温度分布。结果表明，弹性导致了板上热传递的增加。

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  • 来源
    《Applied Mechanics and Engineering》 |2013年第1期|27-41|共15页
  • 作者

    M. GURIA; R.N. JANA;

  • 作者单位

    Department of Mathematics Ghatal Rabindra Satabarshiki Mahavidyalaya Ghatal, Paschim Medinipur, West Bengal, INDIA;

    Department of Applied Mathematics with Oceanology and Computer Programming Vidyasagar University, Midnapore-721102 West Bengal, INDIA;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    visco-elastic; relaxation; back flow; elasticity;

    机译：粘弹性松弛;回流;弹性;

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