Journal
INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS
Volume 43, Issue 9, Pages 915-924Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijnonlinmec.2008.06.009
Keywords
Peristalsis; Jeffrey fluid; Asymmetric channel; Magnetic field; Wave forms
Categories
Funding
- DRDO [ERIP/ER/0304285/M/01, ERIP/ER/0304284/M/01]
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The peristaltic flow of a Jeffrey fluid in an asymmetric channel is studied under long wavelength and low Reynolds number assumptions. The fluid is electrically conducting by a transverse magnetic field The. channel asymmetry is produced by choosing the peristaltic wave train on the walls to have different amplitudes and phase. The flow is investigated in a wave frame of reference moving with the velocity of the wave. The expressions for stream function, axial velocity and axial pressure gradient have been obtained. The effects of various emerging parameters on the flow characteristics are shown and discussed with the help of graphs. The pumping characteristics, axial pressure gradient and trapping phenomenon have been studied. Comparison of various wave forms (namely sinusoidal, triangular, square and trapezoidal) on the flow is discussed. (c) 2008 Elsevier Ltd. All rights reserved.
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