Combined convection in an axisymmetric stagnation flow of micropolar fluid

Rama Subba Reddy Gorla (Department of Mechanical Engineering, Cleveland State University, Cleveland, Ohio 44115, USA)
M.A. Mansour (Department of Mathematics, Faculty of Science—Assuit, Assuit—Egypt)
A.A. Mohammedien (Department of Mathematics, South Valley University, Aswan, Egypt)

International Journal of Numerical Methods for Heat & Fluid Flow

ISSN: 0961-5539

Publication date: 1 April 1996

Abstract

An analysis is presented to study the effects of buoyancy on forced convection in an axisymmetric stagnation flow of micropolar fluids over a vertical cylinder with constant or linear variation of surface heat flux conditions. Numerical solutions are given for the governing momentum, angular momentum and energy equations. Two flow regions, namely the buoyancy‐assisted and buoyancy‐opposed cases are analysed. It is observed that the wall shear stress and surface heat transfer rate increase or decrease with the buoyancy force parameter depending on the flow regime being buoyancy‐assisted or buoyancy‐opposed respectively.

Keywords

Citation

Subba Reddy Gorla, R., Mansour, M. and Mohammedien, A. (1996), "Combined convection in an axisymmetric stagnation flow of micropolar fluid", International Journal of Numerical Methods for Heat & Fluid Flow, Vol. 6 No. 4, pp. 47-55. https://doi.org/10.1108/09615539610123441

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MCB UP Ltd

Copyright © 1996, MCB UP Limited

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