Publication Cover
Numerical Heat Transfer, Part A: Applications
An International Journal of Computation and Methodology
Volume 43, 2003 - Issue 3
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Original Articles

HEAT TRANSFER AND HYDROMAGNETIC CONTROL OF FLOW EXIT CONDITIONS INSIDE OSCILLATORY SQUEEZED THIN FILMS

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Pages 239-258 | Published online: 30 Nov 2010
 

Abstract

The influence of fluids inertia and the effects of the presence of a magnetic field normal to the direction of the flow of an electrically conducting fluid are studied on flow and heat transfer inside a nonisothermal and incompressible thin film undergoing oscillatory squeezing. The governing equations have been nondimensionalized and solved numerically. Further, the influence of the squeezing Reynolds number, thermal squeezing number, Hartmann number, and the squeezing frequency are determined. It is shown that flow instabilities appear at large squeezing Reynolds numbers and that the Nusselt number is affected by inertia effects as a result of increased squeezing Reynolds number. Further, it is found that flow instabilities are reduced when the magnetic field is introduced.

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