Scaling transformation for the effects of chemical reaction on free convective heat and mass transfer in the presence of variable stream conditions

Ismoen, Muhaimin and Kandasamy, Ramasamy and Hashim, Ishak (2010) Scaling transformation for the effects of chemical reaction on free convective heat and mass transfer in the presence of variable stream conditions. Chemical Engineering Research and Design, 88 (10). pp. 1320-1328.

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Official URL: http://dx.doi.org/10.1016/j.cherd.2010.02.009

Abstract

Natural convective boundary layer flow and heat and mass transfer of a fluid with temperature-dependent fluid viscosity, chemical reaction and thermal radiation over a vertical stretching surface in the presence of suction is investigated by scaling transformation analysis. Fluid viscosity is assumed to vary as a linear function of temperature. The symmetry groups admitted by the corresponding boundary value problem are obtained by using a special form of Lie-group transformations viz. scaling group of transformations. An exact solution is obtained for translation symmetry and numerical solutions for scaling symmetry. Effects of temperature-dependent fluid viscosity, chemical reaction and thermal radiation on the dimensionless velocity, temperature and concentration profiles are shown graphically. Comparison with previously published work is performed and excellent agreement between the results is obtained. The conclusion is drawn that the flow field and temperature and concentration profiles are significantly influenced by these parameters.

Item Type:Article
Uncontrolled Keywords:scaling transformation; chemical reaction; free convective flow; temperature-dependent fluid viscosity; thermal radiation
Subjects:T Technology > TJ Mechanical engineering and machinery > TJ255-265 Heat engines
Divisions:Faculty of Science, Technology and Human Development > Department of Science and Mathematics
ID Code:2336
Deposited By:M.Iqbal Zainal A
Deposited On:07 Nov 2012 10:44
Last Modified:07 Nov 2012 10:44

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