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Effects of thermal radiation, Soret and Dufour on an unsteady heat and mass transfer flow of a chemically reacting fluid past a semi-infinite vertical plate with viscous dissipation

Effects of thermal radiation, Soret and Dufour on an unsteady heat and mass transfer flow of a chemically reacting fluid past a semi-infinite vertical plate with viscous dissipation

Authors :
A.I. Fagbade
B.O. Falodun
F.I. Alao
Source :
Journal of the Nigerian Mathematical Society. 35:142-158
Publication Year :
2016
Publisher :
Elsevier BV, 2016.

Abstract

In this paper, the influence of some thermo-physical properties of fluid on heat and mass transfer flow past semi-infinite moving vertical plate is considered. The fluid considered is optically thin such that the thermal radiative heat loss on the fluid is modeled using Rosseland approximation. The governing equations representing the physical model is a system of partial differential equations which are transformed into systems of coupled non-linear partial differential equation by introducing non-dimensional variables. The resulting equations are solved using the spectral relaxation method (SRM). The result shows that an increase in Eckert number of the fluid actually increases the velocity and temperature profiles of the flow. Whereas an increase in thermal radiation parameter reduces the temperature distribution when the plate is being cooled. The computational results for velocity, temperature and the concentration profiles are displayed graphically for various flow pertinent parameters.

Details

ISSN :
01898965
Volume :
35
Database :
OpenAIRE
Journal :
Journal of the Nigerian Mathematical Society
Accession number :
edsair.doi.dedup.....36b5d27f4e459a365650a1685071730c
Full Text :
https://doi.org/10.1016/j.jnnms.2016.01.002