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Mathematical Problems in Engineering
Volume 2006, Article ID 84276, 19 pages

Endoscope effects on MHD peristaltic flow of a power-law fluid

1Department of Mathematics, Quaid-i-Azam University, 45320, Islamabad 44000, Pakistan
2Centre for Differential Equations, Continuum Mechanics, and Applications, School of Computational and Applied Mathematics, University of theWitwatersrand, Johannesburg Private Bag 3, Johannesburg, Wits 2050, South Africa

Received 27 January 2005; Revised 5 October 2005; Accepted 8 November 2005

Copyright © 2006 T. Hayat et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


To understand the influence of an inserted endoscope and magnetohydrodynamic (MHD) power-law fluid on peristaltic motion, an attempt has been made for flow through tubes. The magnetic field of uniform strength is applied in the transverse direction to the flow. The analysis has been performed under long wavelength at low-Reynolds number assumption. The velocity fields and axial pressure gradient have been evaluated analytically. Numerical results are also presented and discussed.