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Heat and mass transfer by non‐Darcy free convection from a vertical cylinder embedded in porous media with a temperature‐dependent viscosity

Heat and mass transfer by non‐Darcy free convection from a vertical cylinder embedded in porous... Purpose – The purpose of this paper is to consider heat and mass transfer by natural convection from a vertical cylinder in porous media for a temperature‐dependent fluid viscosity in the presence of radiation and chemical reaction effects. Design/methodology/approach – The governing equations are transformed into non‐similar differential equations and then solved numerically by an efficient finite‐difference method. Findings – It is found that there are significant effects on the heat and mass transfer characteristics of the problem due to the variation of viscosity and radiation and chemical reaction effects. Originality/value – The paper combines the effects of radiation, chemical reaction, non‐Darcy porous media effects along with the variation of viscosity with temperature. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Numerical Methods for Heat and Fluid Flow Emerald Publishing

Heat and mass transfer by non‐Darcy free convection from a vertical cylinder embedded in porous media with a temperature‐dependent viscosity

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References (31)

Publisher
Emerald Publishing
Copyright
Copyright © 2011 Emerald Group Publishing Limited. All rights reserved.
ISSN
0961-5539
DOI
10.1108/09615531111162828
Publisher site
See Article on Publisher Site

Abstract

Purpose – The purpose of this paper is to consider heat and mass transfer by natural convection from a vertical cylinder in porous media for a temperature‐dependent fluid viscosity in the presence of radiation and chemical reaction effects. Design/methodology/approach – The governing equations are transformed into non‐similar differential equations and then solved numerically by an efficient finite‐difference method. Findings – It is found that there are significant effects on the heat and mass transfer characteristics of the problem due to the variation of viscosity and radiation and chemical reaction effects. Originality/value – The paper combines the effects of radiation, chemical reaction, non‐Darcy porous media effects along with the variation of viscosity with temperature.

Journal

International Journal of Numerical Methods for Heat and Fluid FlowEmerald Publishing

Published: Sep 20, 2011

Keywords: Free convection; Porous medium; Heat transfer; Mass transfer; Non‐Darcy effect; Conduction‐radiation interaction; Variable viscosity; Chemical reactions

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