i am doing porous flow through lid driven cavity. The porosity i am using is 0.9.

The Darcy number is 0.1

The Grasoff number =10^4

I am trying to simulate but not getting the result the nusselt number i am getting is around 66 but the actual nusselt number is 12. the reynolds number is 100.

can anyone please help related to viscous resistance and inertial resistance values