CFD Online Discussion Forums

CFD Online Discussion Forums (
-   FLUENT (
-   -   Friction factor (Cs) (

palplr August 22, 2013 21:02

Friction factor (Cs)
What is the value of surface roughness Cs (Friction factor for walls) for Brick wall in a Flue stack.

Is there a correlation between the Surface roughness Cs in fluent and the actual surface roughness E. For cement the actual E is 0.9 to 9 (mm), while for steel it is 0.05.

In Fluent the Value of Cs can be varied from 0 to 1 only.

To Add More, it is Flue gas flow analysis of a boiler chimney with a apporximate height of 200 meters. The Chimney is brick lined and cemented.
waiting for replies .....

All times are GMT -4. The time now is 03:05.