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Journal of Porous Media
Facteur d'impact: 1.49 Facteur d'impact sur 5 ans: 1.159 SJR: 0.43 SNIP: 0.671 CiteScore™: 1.58

ISSN Imprimer: 1091-028X
ISSN En ligne: 1934-0508

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Journal of Porous Media

DOI: 10.1615/JPorMedia.v13.i2.20
pages 103-110

EFFECT OF HALL CURRENTS ON INTERACTION OF PERISTALTIC FLOW WITH PULSATILE MAGNETOFLUID THROUGH A POROUS MEDIUM

N. S. Gad
Department of Mathematics, Faculty of Education, Roxy, Ain Shams University, Cairo

RÉSUMÉ

The interaction of purely periodic mean flow with a peristaltic induced flow is investigated within the framework of a two-dimensional analogue. The mathematical model considers a viscous incompressible fluid under the effect of a transverse magnetic field, taking into account the effect of Hall currents through a porous medium between infinite parallel walls on which a sinusoidal traveling wave is imposed. A perturbation solution to the complete set of Navier-Stokes equations is found for the case in which the frequency of the traveling wave and that of the imposed pressure gradient are equal. The ratio of the traveling wave amplitude to channel width is assumed to be small. For this case, a first-order steady flow is found to exist, as contrasted to a second-order effect in the absence of the imposed periodic pressure gradient, and the effect of Hall parameter, permeability parameter, Hartmann number, and the various parameters included in the problem are discussed numerically.


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