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- Title
Dynamic Analysis of Shear Flows over a Porous Medium in a Cylindrical Tube.
- Authors
Dwivedi, J. P.; Singh, V. P.; Lal, Radha Krishna
- Abstract
Dynamic responses of a viscous fluid flow introduced under a time dependent pressure gradient in a rigid cylindrical tube subject to deformable porous surface layer have been investigated. The coupling effect of the fluid movement and the deformation of the porous medium in Lap lace transform space have been studied. Governing equations are simplified for the solid displacement and the fluid velocity in the porous layer. Using Durbin's algorithm, in transformed domain analytic solutions are obtained, and time dependent variables are considered. Interaction between the solid and the fluid phases in the porous layer and its effects on fluid flow in tube are investigated under steady and unsteady flow conditions when the solid phase is either rigid or deformable. Significant effects of the porous surface layer on the flow in the tube have been observed.
- Subjects
COMPUTATIONAL mechanics; FLUID dynamics; VISCOUS flow; SHEAR flow; POROUS materials; DEFORMATIONS (Mechanics)
- Publication
Advances in Mechanical Engineering (Sage Publications Inc.), 2013, Vol 5, p1
- ISSN
1687-8132
- Publication type
Article
- DOI
10.1155/2013/168215