The effects of variable viscosity, viscous dissipation and chemical reaction on heat and mass transfer flow of MHD micropolar fluid along a permeable stretching sheet in a non-Darcian porous medium
type: Item
instance of: scholarly article
title: The effects of variable viscosity, viscous dissipation and chemical reaction on heat and mass transfer flow of MHD micropolar fluid along a permeable stretching sheet in a non-Darcian porous medium
zbMATH Open document ID: 1296.76179
DOI: 10.1155/2013/185074
published in: Mathematical Problems in Engineering
publication date: 2014-10-13T00:00:00Z
review text: Summary: A numerical model is developed to study the effects of temperature-dependent viscosity on heat and mass transfer flow of magnetohydrodynamic (MHD) micropolar fluids with medium molecular weight along a permeable stretching surface embedded in a non-Darcian porous medium in the presence of viscous dissipation and chemical reaction. The governing boundary equations for momentum, angular momentum (microrotation), and energy and mass transfer are transformed to a set of nonlinear ordinary differential equations by using similarity solutions which are then solved numerically by shooting technique. A comparison between the analytical and the numerical solutions has been included. The effects of the various physical parameters entering into the problem on velocity, microrotation, temperature and concentration profiles are presented graphically. Finally, the effects of pertinent parameters on local skin-friction coefficient, local Nusselt number and local Sherwood number are also presented graphically. One important observation is that for some kinds of mixtures (e.g., \(H_{2}\), air) with light and medium molecular weight, the magnetic field and temperature-dependent viscosity effects play a significant role and should be taken into consideration as well.
Mathematics Subject Classification ID: 76W05
Mathematics Subject Classification ID: 76M25
Mathematics Subject Classification ID: 80A20
Mathematics Subject Classification ID: 76S05
zbMATH DE Number: 6354489
author: A. M. Salem
MaRDI profile type: Publication
full work available at URL: https://doi.org/10.1155/2013/185074
OpenAlex ID: W1991601919
Wikidata QID: Q59023420
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description: scientific article; zbMATH DE number 6354489