The onset of convection in a couple stress fluid saturated porous layer using a thermal non-equilibrium model

2009 ◽  
Vol 373 (7) ◽  
pp. 781-790 ◽  
Author(s):  
M.S. Malashetty ◽  
I.S. Shivakumara ◽  
Sridhar Kulkarni
Keyword(s):  
Porous Layer ◽  
Equilibrium Model ◽  
Couple Stress ◽  
Couple Stress Fluid ◽  
Onset Of Convection ◽  
Saturated Porous Layer ◽  
Non Equilibrium

Conditional stability for thermal convection in a rotating couple-stress fluid saturating a porous media with temperature- and pressure-dependent viscosity using a thermal non-equilibrium model

2014 ◽  
Vol 39 (2) ◽  
Author(s):  
Sunil ◽  
Shalu Choudhary ◽  
Amit Mahajan
Keyword(s):  
Equilibrium Model ◽  
Couple Stress ◽  
Linear Instability ◽  
Couple Stress Fluid ◽  
Conditional Stability ◽  
Onset Of Convection ◽  
Pressure Dependent Viscosity ◽  
Temperature And Pressure ◽  
Dependent Viscosity ◽  
Non Equilibrium

Abstract.A nonlinear stability threshold for convection in a rotating couple-stress fluid saturating a porous medium with temperature- and pressure-dependent viscosity using a thermal non-equilibrium model is found to be exactly the same as the linear instability boundary. This optimal result is important because it shows that linear theory has completely captured the physics of the onset of convection. The effects of couple-stress fluid parameter

The Onset of Convection in an Anisotropic Porous Layer Using a Thermal Non-Equilibrium Model

2005 ◽  
Vol 60 (2) ◽  
pp. 199-215 ◽  
Author(s):  
M. S. Malashetty ◽  
I. S. Shivakumara ◽  
Sridhar Kulkarni
Keyword(s):  
Porous Layer ◽  
Equilibrium Model ◽  
Onset Of Convection ◽  
Non Equilibrium
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