CFD Online Discussion Forums

CFD Online Discussion Forums (http://www.cfd-online.com/Forums/)
-   STAR-CCM+ (http://www.cfd-online.com/Forums/star-ccm/)
-   -   Concentration of air (http://www.cfd-online.com/Forums/star-ccm/103301-concentration-air.html)

itsme_kit June 16, 2012 13:29

Concentration of air
 
If air is modelled to flow inside a pipe, is the concentration of air equal to 1 along the pipe?
Thanks

siara817 June 18, 2012 11:50

Usually, the concentration is the number of particles, or molecules per a unit cube. such as cm3. what do you mean?
In this case you need to look at the density, I think.

itsme_kit June 20, 2012 18:10

Quote:

Originally Posted by siara817 (Post 367038)
Usually, the concentration is the number of particles, or molecules per a unit cube. such as cm3. what do you mean?
In this case you need to look at the density, I think.

Density is a good point to have a think
No matter concentration or density, is passive scalar model only physical model to measure these quantities?
Thanks


All times are GMT -4. The time now is 15:21.