Laminar forced convection with viscous dissipation in a Couette-Poiseuille flow between parallel plates

Orhan AydIn and Mete AvcI

Applied Energy, 2006, vol. 83, issue 8, 856-867

Abstract: In this study, analytical solutions are obtained to predict laminar heat-convection in a Couette-Poiseuille flow between two plane parallel plates with a simultaneous pressure gradient and an axial movement of the upper plate. A Newtonian fluid with constant properties is considered with an emphasis on the viscous-dissipation effect. Both hydrodynamically and thermally fully-developed flow cases are investigated. The axial heat-conduction in the fluid is neglected. Two different orientations of the thermal boundary-conditions are considered: the constant heat-flux at the upper plate with an adiabatic lower plate (Case A) and the constant heat-flux at the lower plate with an adiabatic upper plate (Case B). For different values of the relative velocity of the upper plate, the effect of the modified Brinkman number on the temperature distribution and the Nusselt number are discussed. Comparison of the present analytical results for a special case with those available in the literature indicates an excellent agreement.

Keywords: Couette; Poiseuille; flow; Parallel; plates; Viscous; dissipation (search for similar items in EconPapers)
Date: 2006
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Citations: View citations in EconPapers (1)

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