Oscillatory flow due to eccentrically rotating porous disk and a fluid at infinity embedded in a porous medium

被引：1
|
作者：
Das, S. [1 ]
Jana, M. [1 ]
Jana, R. N. [1 ]
机构：
[1] Vidyasagar Univ, Dept Appl Math, Midnapore 721102, India
来源：
MECCANICA | 2014年 / 49卷 / 01期
关键词：
Oscillatory flow; Oscillations; Rotation parameter; Frequency parameter; Porosity parameter; Porous disk; Porous medium; UNSTEADY-FLOW; NONCOAXIAL ROTATION;
D O I：
10.1007/s11012-013-9779-7
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
An oscillatory flow due to non-coaxial rotations of an oscillating porous disk and a fluid at infinity rotating about an axis parallel to the axis of rotation of the disk through a fixed point has been investigated. An analytical solution of the unsteady Navier-Stokes equations is obtained for three cases when the frequency parameter is less than, equal to or greater than the rotation parameter. The influences of the physical parameters acting on the flow are explained with the help of the figures. It is found that the depth of the penetration or the wave length of the layers decreases with an increase in porosity parameter.
引用
收藏
页码：147 / 153
页数：7
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