ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS |
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Effects of rotation and magnetic field on nonlinear peristaltic flow of second-order fluid in an asymmetric channel through a porous medium |
A. M. Abd-Allaa b, S. M. Abo-Dahaba c, H. D. El-Shahranya |
a Department of Mathematics, Faculty of Science, Taif University, Saudi Arabia; b Department of Mathematics, Faculty of Science, Sohag, Egypt; c Department of Mathematics, Faculty of Science, South Valley University, Qena 83523, Egypt |
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Abstract In this paper, the effects of both rotation and magnetic field of the peristaltic transport of second-order fluid through a porous medium in a channel are studied analytically and computed numerically. The material was represented by the constitutive equations for a second-order fluid. Closed-form solutions under the consideration of long wavelength and low Reynolds number is presented. The analytical expressions for the pressure gradient, pressure rise, friction force, stream function, shear stress, and velocity are obtained in the physical domain. The effects of the non-dimensional wave amplitude, porosity, magnetic field, rotation, and the dimensionless time-mean flow in the wave frame are analyzed theoretically and computed numerically. Numerical results are given and illustrated graphically in each case considered. Comparison was made with the results obtained in the presence and absence of rotation, magnetic field, and porosity. The results indicate that the effects of the non-dimensional wave amplitude, porosity, magnetic field, rotation, and the dimensionless time-mean flow are very pronounced in the phenomena.
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Received: 22 October 2012
Revised: 15 January 2013
Accepted manuscript online:
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PACS:
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47.15.G-
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47.15.Rq
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(Laminar flows in cavities, channels, ducts, and conduits)
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47.27.nd
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(Channel flow)
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47.45.Gx
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(Slip flows and accommodation)
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Corresponding Authors:
A. M. Abd-Alla
E-mail: mohmrr@yahoo.com
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Cite this article:
A. M. Abd-Alla, S. M. Abo-Dahab, H. D. El-Shahrany Effects of rotation and magnetic field on nonlinear peristaltic flow of second-order fluid in an asymmetric channel through a porous medium 2013 Chin. Phys. B 22 074702
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