Hi,
I tested your model and noticed same problem. This has maybe something to do how Comsol handles wall functions. I don't know is this right or wrong but if you want to get rid of this use " Low-Reynolds k-epsilon" turbulence flow. This will give you more accurate results.
Best regards
Tero Hietanen
I tested your model and noticed same problem. This has maybe something to do how Comsol handles wall functions. I don't know is this right or wrong but if you want to get rid of this use " Low-Reynolds k-epsilon" turbulence flow. This will give you more accurate results.
Best regards
Tero Hietanen