[Loorsa]

Hi all,
I'm performing a simulation with Fluent and i need to compare the heat transfer coefficient with the analytical one.
In CFD-post I have a contour, on a plane placed at 0.01 mm from the wall, reporting that variable.
If i chose a turbulent model the contour works fine and the "wall heat transfer coefficient" variable appears in the list when i modify the contour, while if i chose the laminar model it doesn't appear at all.

To give some background, i'm simulating a spiralitic channel, 3mm thick and 45mm wide, with inlets and outlets perpendicular to the main faces and cylinders here and there in the channel.
The flow is mostly (70-80% i guess) laminar (analytical Re about 1000 assuming straight channels though), but goes definitely turbulent near inlet/outlets and on the cylinders trails.
The laminar model continuity does not converge (and the mesher is struggling/unable to refine the mesh on the main faces due to the high grade splines in the geometry i think), while the k-epsilon one do.
Any suggestion would be appreciated.

Thanks