Transport in Porous Media

, Volume 81, Issue 1, pp 73-87

First online:

Effect of Rotation on Thermal Convection in an Anisotropic Porous Medium with Temperature-dependent Viscosity

  • R. K. VanishreeAffiliated withMaharani’s Science college for Women Email author 
  • , P. G. SiddheshwarAffiliated withDepartment of Mathematics, Central College Campus, Bangalore University

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A linear stability analysis is performed for mono-diffusive convection in an anisotropic rotating porous medium with temperature-dependent viscosity. The Galerkin variant of the weighted residual technique is used to obtain the eigen value of the problem. The effect of Taylor–Vadasz number and the other parameters of the problem are considered for stationary convection in the absence or presence of rotation. Oscillatory convection seems highly improbable. Some new results on the parameters’ influence on convection in the presence of rotation, for both high and low rotation rates, are presented.


Anisotropy Rotation Porous medium Variable viscosity Thermal convection