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Computational Thermal Sciences: An International Journal
ESCI SJR: 0.249 SNIP: 0.434 CiteScore™: 1.4

ISSN Druckformat: 1940-2503
ISSN Online: 1940-2554

Computational Thermal Sciences: An International Journal

DOI: 10.1615/ComputThermalScien.2018024728
pages 105-117

STUDY OF PARTIAL SLIP MECHANISM ON FREE CONVECTION FLOW OF VISCOELASTIC FLUID PAST A NONLINEARLY STRETCHING SURFACE

Gauri Shanker Seth
Department of Applied Mathematics, Indian Institute of Technology (Indian School of Mines), Dhanbad-826004, India
A. Bhattacharyya
Indian Institute of Technology (Indian School of Mines), Dhanbad, Jharkhand-826004, India
Manoj Kumar Mishra
VIT-AP University, Amaravati, Andhra Pradesh-522237, India

ABSTRAKT

The investigation of simultaneous impact of Soret and Dufour effects on two-dimensional magnetohydrodynamic free convective flow of an electrically conducting, viscous, and incompressible viscoelastic fluid over a nonlinearly stretching surface with Navier's partial velocity slip boundary condition is carried out. With the help of similarity transformation, the governing flow equations; then the Galerkin finite element method (FEM) is incorporated to obtain the approximate solution of the transformed equations. Computations for fluid velocity, fluid temperature distribution, and species concentration along with skin friction coefficient, Nusselt number, and Sherwood number are carried out for a range of values of pertinent flow parameters. An outstanding agreement is found when we compare our results with the exact solution of previously published research articles. Noteworthy findings of the present study include that nonlinearity in the stretching surface as well as the viscoelastic nature of the fluid exhibit a retarding tendency on the fluid velocity, temperature, and concentration.


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