Abstract
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Article Information:
Effects of Radiation and Heat Generation/Absorption on MHD Free Convective Heat Transfer of Power-Law Non-Newtonian Fluids Along a Power-Law Stretching Sheet with Uniform Surface Heat Flux
M.A. Samad and M.R. Hossain
Corresponding Author: M.R. Hossain
Submitted: May 13, 2012
Accepted: May 29, 2012
Published: January 11, 2013 |
Abstract:
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An analysis is carried out to investigate the effects of MHD free convection heat transfer of power-law
non-Newtonian fluids along a stretching sheet. This has been done under the simultaneous action of suction, heat
generation/absorption, thermal radiation and uniform transverse magnetic field. The stretching sheet is assumed to
continuously moving with a power-law velocity and maintaining a uniform surface heat flux. The governing
nonlinear partial differential equations are transformed into a system of nonlinear ordinary differential equations
using appropriate similarity transformations. The resulting non-linear equations are solved numerically using
Nachtsheim-Swigert shooting iterative technique along with sixth order Runge-Kutta integration scheme. Numerical
results for the non-dimensional velocity and temperature profiles are shown graphically and discussed. The effects
of skin-friction coefficient and the local Nusselt number which are of physical and engineering interest are studied
and presented graphically as well as in the form of tables for the variation of different physically important
parameters. A comparison of the present study is also performed with the previously published study and found
excellent agreement.
Key words: Boundary layer, dilatant fluid, heat transfer, magnetic field, pseudo-plastic fluid, suction,
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Cite this Reference:
M.A. Samad and M.R. Hossain, . Effects of Radiation and Heat Generation/Absorption on MHD Free Convective Heat Transfer of Power-Law Non-Newtonian Fluids Along a Power-Law Stretching Sheet with Uniform Surface Heat Flux. Research Journal of Applied Sciences, Engineering and Technology, (02): 519-530.
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ISSN (Online): 2040-7467
ISSN (Print): 2040-7459 |
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