Soret/Dufour Effects on Radiative Free Convection Flow and Mass Transfer over a Sphere with Velocity Slip and Thermal Jump

Shalini JAIN; Shweta BOHRA

doi:10.48048/wjst.2019.3503

Authors

Shalini JAIN Department of Mathematics, University of Rajasthan, Jaipur 302004
Shweta BOHRA Department of Basic Science, Sangam University, Bhilwara 311001

DOI:

https://doi.org/10.48048/wjst.2019.3503

Keywords:

natural convective flow, Soret and Dofour effect, velocity and thermal slip

Abstract

In this paper, a steady free convective heat and mass transfer boundary layer flow of an electrically conducting viscous fluid from a sphere in a porous medium with thermal radiation is studied. Soret and Dufour effects, velocity slip, and thermal slip are considered at the boundary. The governing PDE is transformed into non-linear ODE using suitable similarity transformations and solved numerically using bvp4c solver of MATLAB. The effect of Schmidt number (Sc), concentration to thermal buoyancy ratio parameter (N_b), Dufour number (Du), Soret number (Sr), radiation parameter (N), permeability parameter (K), dimensionless velocity slip parameter (g), and dimensionless thermal jump parameter (j) on velocity, temperature and concentration fields, skin friction, and heat and mass transfer rates are analyzed and presented through graphs and tables.

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Author Biography

Shalini JAIN, Department of Mathematics, University of Rajasthan, Jaipur 302004

Professor,

Department of Mathematics & Stats.
Manipal University Jaipur,
Jaipur

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