Effect of slip on transient liquid flow development in microchannels

Author

Sabry, M.N. ; Abdel-Rahim, A.-R. ; Mansour, M.H.

Author_Institution

Univ. Francaise d´´Egypte, Cairo, Egypt

fYear

2004

fDate

2004

Firstpage

257

Lastpage

261

Abstract

The assumption usually made of spatially fully developed flow during transient establishment is revised here. A computational model for transient two-dimensional Navier-Stokes equations has been used to study both time and space development of flow due to a sudden pressure rise. Two kinds of boundary conditions are used, the no-slip condition as well as the slip condition encountered in micro-channels both for liquid and gas flows. Compressibility effects are however neglected in order to concentrate on the slip effect.

Keywords

Knudsen flow; Navier-Stokes equations; computational fluid dynamics; microfluidics; slip flow; transient response; 2D Navier-Stokes equations; CFD; Knudsen number; flow space development; flow time development; gas flows; liquid flows; microchannel flow development; no-slip boundary conditions; slip flow; spatially fully developed flow; sudden pressure rise; transient flow establishment; transient liquid flow slip effects; Boundary conditions; Computational modeling; Fluctuations; Fluid flow; Gases; Microchannel; Navier-Stokes equations; Rough surfaces; Steady-state; Surface roughness;

fLanguage

English

Publisher

ieee

Conference_Titel

Thermal and Mechanical Simulation and Experiments in Microelectronics and Microsystems, 2004. EuroSimE 2004. Proceedings of the 5th International Conference on

Print_ISBN

0-7803-8420-2

Type

conf

DOI

10.1109/ESIME.2004.1304048

Filename

1304048