Journal
AIN SHAMS ENGINEERING JOURNAL
Volume 7, Issue 4, Pages 1079-1088Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.asej.2015.07.012
Keywords
Chemical reaction; Thermal radiation; MHD; Asymmetric wavy channel; Oscillatory flow; Heat source
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This paper investigates the effect of heat and mass transfer on MHD oscillatory flow in an asymmetric wavy channel with chemical reaction and heat source. The unsteadiness in the flow is due to an oscillatory pressure gradient across the ends of the channel. A magnetic field of uniform strength is applied in the direction perpendicular to the channel. However, the induced magnetic field is neglected due to the assumption of small magnetic Reynolds number. The temperature difference of the channel is also assumed high enough to induce heat transfer due to radiation. The governing equations are solved analytically by regular perturbation method. The analytical results are evaluated numerically and then are presented graphically to discuss the effects of different parameters entering into the problem. It is observed that the heat transport of a system is more increased in oscillatory flow than in ordinary conduction. (C) 2015 Ain Shams University. Production and hosting by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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