Journal
MECHANICS RESEARCH COMMUNICATIONS
Volume 39, Issue 1, Pages 9-14Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.mechrescom.2011.09.003
Keywords
Electroosmotic flow; Power-law fluid; Flow behavior index; Electric double layer thickness; Finite difference method
Categories
Funding
- National Natural Science Foundation of China [11062005]
- Chinese Academy of Sciences [KZCX2-YW-201, KZCX1-YW-12]
- Natural Science Foundation of Inner Mongolia [2010BS0107]
- Inner Mongolia University [Z20080211]
- Natural Science Key Fund of Inner Mongolia [2009ZD01]
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This paper studies the unsteady electroosmotic flow of the power-law fluid in a rectangular microchannal. The electric potential distribution is given by linearized Poisson-Boltzmann equation. By using finite difference method, we solved Cauchy momentum equation anti obtained the velocity profile of the power-law fluid. The influences of the flow behavior index and the ratio of the width of the rectangular microchannel to the double layer thickness on the velocity profiles are investigated. In addition, the evolution of the velocity profiles with the time is analyzed. (C) 2011 Elsevier Ltd. All rights reserved.
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