Paper Information

Journal:   JOURNAL OF APPLIED FLUID MECHANICS (JAFM)   2016 , Volume 9 , Number 3; Page(s) 1551 To 1558.
 
Paper: 

ONSET OF BENARD–MARANGONI CONVECTION IN A COMPOSITE LAYER WITH ANISOTROPIC POROUS MATERIAL

 
 
Author(s):  GANGADHARAIAH Y.H.*
 
* DEPARTMENT OF MATHEMATICS, NEW HORIZON COLLEGE OF ENGINEERING,BANGALORE-560 103, INDIA
 
Abstract: 

The effects of thermal anisotropy and mechanical anisotropy on the onset of Bernard-Marangoni convection in composite layers with anisotropic porous material is studied. The upper fluid surface, free to atmosphere is considered to be deformable. The eigen value problem is solved using a regular perturbation technique with wave numbera as perturbation parameter. It is observed that both stabilizing and destabilizing factors can be enhanced thermalanisotropic parameter and mechanical anisotropic parameter so that a more precise control (suppress or augment) of thermal convective instability in a layer of fluid or porous medium is possible.

 
Keyword(s): BERNARD-MARANGONI CONVECTION, MECHANICAL ANISOTROPY, THERMAL ANISOTROPY
 
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