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On Forced Convective Heat Transfer for a Stokes Flow in a Wavy Channel by M. Vasudeviah; K. Balamurugan is a Engineering article available to read on EtoBox.

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Study of heat transfer in a two-dimensional wavy channel due to a pressure driven Stokes flow, normal to the wall corrugations, is made. Expression for the mean Nusselt number describing the average rate of heat transfer from the warmer surface, obtained analytically, predicts a decreased heat transfer rate due to corrugations. This observation is found to be significantly opposite to the prevailing results of moderate or large Reynolds number flows. 43 2001 Elsevier Science Ltd introduction Flow past wavy boundaries are encountered in many situations such as the rippling of melting surfaces and in physiological applications. Laminar flow of a viscous incompressible fluid in a wavy/corrugated channel bounded by the sinusoidal surfaces z' = b sin(27ty'/L) and z' = a+b sin(2ay'/L+p), which are otherwise parallel except for a phase shift p , Fig.1, was studied by Wang [ 1,2] when the pressure driven flow is (i) parallel to the corrugations and (ii) transverse to the corrugations. Wang [2] has shown analytically that for a given mean pressure drop, the flow transverse to the corrugations always decreases and that the phase shift p could be utilized to control the flow through corrugate

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Author

M. Vasudeviah; K. Balamurugan

Publisher

Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0735-1933)

Published

2001

Language

EN

Field

Engineering (Physical Sciences)