Unsteady flow of an oscillating porous disk and a fluid at infinity

被引：15
|
作者：
Hayat, T [1 ]
Asghar, S
Siddiqui, AM
机构：
[1] Quaid I Azam Univ, Dept Math, Islamabad, Pakistan
[2] Penn State Univ, Dept Math, York, PA 17403 USA
来源：
MECCANICA | 1999年 / 34卷 / 04期
关键词：
viscous flow; non-coaxial rotation; oscillating porous disk;
D O I：
10.1023/A:1004751322961
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
An exact analytic solution of the unsteady Navier-Stokes equations is obtained for the flow caused by the non-coaxial rotations of a porous disk and a fluid at infinity. The porous disk is executing oscillations in its own plane with superimposed injection or suction. An increasing or decreasing velocity amplitude of the oscillating porous disk is also discussed. Further, it is shown that a combination of suction/injection and decreasing/increasing velocity amplitude is possible as well. In addition, the flow due to porous oscillating disk and a fluid at infinity rotating about an axis parallel to the z-axis is attempted as a second problem.
引用
收藏
页码：259 / 265
页数：7
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