• HALL EFFECTS ON THE PERISTALTIC PUMPING  OF A HYPERBOLIC TANGENT FLUID IN A PLANAR CHANNEL

K. SUBBA NARASIMHUDU; M. V. SUBBA REDDY*

• HALL EFFECTS ON THE PERISTALTIC PUMPING OF A HYPERBOLIC TANGENT FLUID IN A PLANAR CHANNEL

K. SUBBA NARASIMHUDU, M. V. SUBBA REDDY*

Abstract

In this paper, we investigated the effect of Hall on the peristaltic pumping of a hyperbolic tangent fluid in a planar channel under the assumption of long wavelength. The expressions for the velocity and axial pressure gradient are obtained by employing perturbation technique. The effects of Weissenberg number, power-law index, Hall parameter, Hartmann number and amplitude ratio on the axial pressure gradient, time-averaged volume flow rate and the friction force at the wall are analyzed with the help of graphs.

Keywords

Hyperbolic tangent fluid, power-law index, Hall parameter, Hartmann number peristaltic pumping.

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