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Thermal Instability in a Rivlin-Ericksen Elastico-Viscous Nanofluid in a Porous Medium: A Revised Model
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Volume 2, 2015
Issue 1 (January)
Pages: 1-5   |   Vol. 2, No. 1, January 2015   |   Follow on         
Paper in PDF Downloads: 59   Since Aug. 28, 2015 Views: 1636   Since Aug. 28, 2015
Ramesh Chand, Department of Mathematics, Government Arya Degree College Nurpur, Himachal Pradesh, India.
G. C. Rana, Department of Mathematics, NSCBM Government College Hamirpur, Himachal Pradesh, India.
Kamal Singh, Department of Mathematics, Government College Indora, Himachal Pradesh, India.
Thermal instability in a horizontal layer of Rivlin-Ericksen elastico-viscous nanofluid in porous medium is considered for more realistic boundary conditions. A linear stability analysis based upon perturbation method and normal mode technique is used to find solution of the fluid layer. The onset criterion for stationary convection is derived analytically to study the stability characteristics. The effects of the Lewis number, modified diffusivity ration, nanoparticle Rayleigh number and porosity parameter on the stability of the system are investigated analytically.
Nanofluid, Rivlin-Ericksen Fluid, Thermal Instability, Viscosity, Visco-Elasticity, Perturbation Method
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