Hi Matthias,
You have used Turbulent flow and Heat transfer by separated physic. Instead of this, use Isothermal Flow where turbulent flow and heat transfer are connect with each other. Also check what values you get to "dimensionless distance to cell center". This should be low as 0.5.
This may help you:
www.comsol.com/blogs/which-tur...should-choose-cfd-application/
Best regards
Tero
You have used Turbulent flow and Heat transfer by separated physic. Instead of this, use Isothermal Flow where turbulent flow and heat transfer are connect with each other. Also check what values you get to "dimensionless distance to cell center". This should be low as 0.5.
This may help you:
www.comsol.com/blogs/which-tur...should-choose-cfd-application/
Best regards
Tero