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Research Article Open access CC BY 3.0

Effects of Suction and Thermal Radiation on Heat Transfer in a Third Grade Fluid over a Vertical Plate

I. G. Baoku

Physical Science International Journal · pp. 1293–1310 · Published 25 Aug 2014

10.9734/PSIJ/2014/8964

Abstract

Aims: An analysis is presented to investigate the effects of suction and thermal radiation on the unsteady convective flow and heat transfer in a third grade fluid over an infinite vertical plate. The plate is porous to allow for possible wall suction. Methodology: The governing time-based coupled partial differential equations, subjected to their boundary conditions, are solved numerically by applying an efficient and unconditionally stable Crank-Nicolson finite difference scheme. Numerical calculations are carried out for different values of dimensionless parameters in the problem.                                        Results: An analysis of the results obtained establishes that the flow field is appreciably influenced by suction and viscoelastic parameters. Conclusion: An increase in the suction parameter is observed to decrease the fluid velocity. The result also shows that the temperature distribution decreases with an increase in the thermal radiation parameter.  

Suction thermal radiation heat transfer porous plate third grade fluid

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