Peristaltically induced transport of a MHD biviscosity fluid in a non-uniform tube

N.T.M. Eldabe, M.F. El-Sayed, A.Y. Ghaly and H.M. Sayed

Physica A: Statistical Mechanics and its Applications, 2007, vol. 383, issue 2, 253-266

Abstract: We have analyzed an incompressible flow of electrically conducting biviscosity fluid through an axisymmetric non-uniform tube with a sinusoidal wave under the considerations of long wavelength and low Reynolds number. In our analysis we are taking into account the induced magnetic field. The analytic solution has been obtained from which the axial velocity, the axial induced magnetic field and the axial pressure gradient have been derived. The results for the pressure rise ΔPλ(t), frictional force per wavelength Fλ(t) and the axial induced magnetic field hz have been computed numerically and the results were studied for various values of the physical parameters of interest, such as the magnetic Prandtl number pm, the magnetic field parameter M, the Reynolds number Re, the upper limit apparent viscosity coefficient β, and the time averaged mean flow rate θ.

Keywords: Magnetohydrodynamics; Peristaltics; Biviscosity fluid; Flow in non-uniform tubes (search for similar items in EconPapers)
Date: 2007
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:383:y:2007:i:2:p:253-266

DOI: 10.1016/j.physa.2007.05.027

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