Volume No. :   9

Issue No. :  1

Year :  2017

ISSN Print :  0975-4393

ISSN Online :  2349-2988


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Thermal Instability of Rotating Kuvshiniski Viscoelastic Nanofluid in a Porous Medium



Address:   Ramesh Chand*, G. C. Rana, S. K. Kango
1Department of Mathematics, Government College Nurpur, Himachal Pradesh, India
2Department of Mathematics, NSCBM Govt. College, Hamirpur-177005, Himachal Pradesh, INDIA
3Department of Mathematics, Government College Barsar, Himachal Pradesh, India
*Corresponding Author
DOI No: 10.5958/2349-2988.2017.00001.8

ABSTRACT:
Thermal instability in a horizontal layer of Kuvshiniski viscoelastic nanofluid for more realistic boundary conditions is studied theoretically within the frame work of linear theory. The flux of volume fraction of nanoparticles is taken to be zero on the isothermal boundaries. For porous medium Brinkman model is taken into consideration and the model used for nanofluid incorporates the effect of Brownian diffusion and thermophoresis. The stability criterion for stationary and oscillatory convection have been derived and graphs have been plotted to study the effects of rotation, the Brinkman-Darcy number, the Lewis number, the modified diffusivity ratio and porosity parameter on the stationary convection.
KEYWORDS:
Kuvshiniski viscoelastic fluid, rotation, Brownian motion, Galerkin technique, porous medium.
Cite:
Ramesh Chand, G. C. Rana, S. K. Kango. Thermal Instability of Rotating Kuvshiniski Viscoelastic Nanofluid in a Porous Medium. Research J. Science and Tech. 2017; 9(1):01-08.
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