Analysis of the slip condition in magnetohydrodynamic (MHD) micropumps

In this paper, the consequences of considering fluid/wall slippage in magnetohydrodynamic (MHD) micropumps are explored by analytical and numerical calculations. One- and two-dimensional flow models commonly used to describe MHD micropumps, are revisited by assuming the slip condition in low-Hartman...

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Bibliographic Details
Published in:Sensors and actuators. B, Chemical Chemical, 2012-05, Vol.166-167, p.884-892
Main Authors: Rivero, M., Cuevas, S.
Format: Article
Language:English
Subjects:
Actuators
Computational fluid dynamics
Electrolytic flows
hydrodynamics
magnetism
Magnetohydrodynamics
Mathematical models
MHD
Micropump systems
Micropumps
pumps
Slip
Slip condition
Walls
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Summary:In this paper, the consequences of considering fluid/wall slippage in magnetohydrodynamic (MHD) micropumps are explored by analytical and numerical calculations. One- and two-dimensional flow models commonly used to describe MHD micropumps, are revisited by assuming the slip condition in low-Hartmann-number flows. Different combinations of slip and no slip conditions at the walls of the micropump are investigated, and the influence of the slip length on the flow rate is analyzed.
ISSN:0925-4005
1873-3077
DOI:10.1016/j.snb.2012.02.050