Analysis of heat and mass transfer with MHD and chemical reaction effects on viscoelastic fluid over a stretching sheet

This article addresses the mass and heat transfer analysis over an electrically conducting viscoelastic (Walters B ′) fluid over a stretching surface in presence of transverse magnetic field. The impact of chemical reaction, as well as non-uniform heat source, are also taken into account. Similarity...

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Bibliographic Details
Published in:Indian journal of physics 2017-10, Vol.91 (10), p.1219-1227
Main Authors: Mishra, S. R., Pattnaik, P. K., Bhatti, M. M., Abbas, T.
Format: Article
Language:English
Subjects:
Astrophysics and Astroparticles
Chemical reactions
Differential equations
Fluid mechanics
Heat flux
Heat transfer
Heat transmission
Magnetic fields
Magnetohydrodynamics
Mass transfer
Nonlinear equations
Original Paper
Physics
Physics and Astronomy
Stretching
Temperature profiles
Thermodynamics
Velocity distribution
Viscoelastic fluids
Viscoelasticity
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Summary:This article addresses the mass and heat transfer analysis over an electrically conducting viscoelastic (Walters B ′) fluid over a stretching surface in presence of transverse magnetic field. The impact of chemical reaction, as well as non-uniform heat source, are also taken into account. Similarity transformations are employed to model the equations. The governing equations comprises of momentum, energy, and concentration which are modified to a set of non-linear differential equations and then solved by applying confluent hypergeometric function known as “ Kummer’s function ”. The exact solution for heat equation is obtained for two cases i.e. (1) Prescribed surface temperature, (2) Prescribed wall heat flux. Physical behavior of all the sundry parameters are against concentration, temperature, and velocity profile are presented through graphs. The inclusion of magnetic field is counterproductive in diminishing the velocity distribution whereas reverse effect is encountered for concentration and temperature profiles.
ISSN:0973-1458
0974-9845
DOI:10.1007/s12648-017-1022-2