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International Journal of Technology
Year : 2016, Volume : 6, Issue : 2
First page : ( 174) Last page : ( 184)
Print ISSN : 2231-3907. Online ISSN : 2231-3915.
Article DOI : 10.5958/2231-3915.2016.00027.4

Heat and Mass Transfer in Three Dimensional Free Convective Oscillatory Flow in Porous Medium with Constant Heat and Mass Flux in Presence Radiation for an optically Thin Fluid

Rana Suresh1,*, Singh Virender2,**

1Department of Mathematics, Government College, Shahpur, H.P, 176206

2Department of Mathematics, Government College, Jawalamukhi, H.P, 176031

*Corresponding Author E mail: sureshrana428@gmail.com

** virenderbharoli@gmail.com

Online published on 2 February, 2017.

Abstract

A theoretical analysis of free convective flow of viscous incompressible fluid through a porous medium bounded by a flat porous plate subject to periodic suction and constant heat and mass flux has been presented. The flow becomes three dimensional due to variation of suction velocity in transverse direction. Analytical expression for velocity, temperature, concentration and skin friction are obtained using perturbation technique. Numerical solutions are obtained for different values Grash of number (Gr), mass Grashof number(Gc), Prandtl number (Pr), Schmidt number (Sc) and Radiation (R). It is found that non-dimensional velocity increases with increase of Gr, Gc and Sc and decreases with increase of R, non-dimensional temperature decreases with increasing of R, Concentration decreases with increase of Sc. and skin friction co-efficient increases with increase of Gr and R but effect of Gr is more than R.

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Keywords

Free convection, oscillatory flow, sinusoidal suction, mass transfer, radiation.

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