Author(s): Reeta Devi, Sunil, Ravinder Paul

Email(s): reetamaths6@gmail.com , sunilnitham@gmail.com

DOI: Not Available

Address: Reeta Devi1, Sunil2 and Ravinder Paul3
1Department of Mathematics, Govt. Degree College, Sarkaghat, Distt. Mandi (H.P.) 175024, India
2Department of Mathematics, National Institute of Technology, Hamirpur, (H.P.) 177005, India
3Department of Physics, Govt. Degree College, Hamirpur (H.P.) 177005, India
*Corresponding Author

Published In:   Volume - 5,      Issue - 1,     Year - 2013


ABSTRACT:
A global nonlinear stability analysis is performed for a rotating couple-stress fluid layer heated from below saturating a porous medium for different conducting boundary systems. Here, the global nonlinear stability threshold for convection is exactly the same as the linear instability boundary. This optimal result is important because it shows that linearized instability theory has captured completely the physics of the onset of convection. The eigenvalue problems for different conducting boundaries are solved by using Galerkin method. The effects of couple-stress parameter, Darcy-Brinkman number and Taylor number on the onset of convection are also analyzed.


Cite this article:
Reeta Devi, Sunil, Ravinder Paul. The effect of Rotation on Thermal Convection in a Couple-Stress Fluid Saturating a Porous Medium Using Galerkin method: A Nonlinear Stability Analysis. Research J. Science and Tech 5(1): Jan.-Mar.2013 page 10-19.


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