CFD Online Logo CFD Online URL
Home > Forums > Software User Forums > OpenFOAM > OpenFOAM Running, Solving & CFD

Relation between energy(mass) and moisture (vapor mass fraction) source terms

Register Blogs Members List Search Today's Posts Mark Forums Read

LinkBack Thread Tools Search this Thread Display Modes
Old   May 20, 2018, 05:45
Default Relation between energy(mass) and moisture (vapor mass fraction) source terms
Senior Member
Mehdi Asghari
Join Date: Feb 2010
Posts: 127
Rep Power: 15
Asghari_M is on a distinguished road
Hello OpenFoam Users.

I gonna implement a vapor mass fraction or moisture production in an air + water condensing flow. The governing equations for this problem are as follows:

1- mass continuity
4-vapor mass fraction (relative humidity or vapor concentration)
5- phase fraction

With due to happening the condensation on the wall, there are heat and mass fraction sink(source) terms in this problem.

My question is that what is the relation between energy and vapor mass fraction sink (source) terms as the result of the vapor condensation (moisture production).?

I surfed a lot of internet papers but I didn't find an explicit relation for this case.

Can anyone help me to find this relation as an equation for the implementation in the CFD tools (specially OPENFOAM)?


Asghari_M is offline   Reply With Quote


air+vapor flows, condensation, moisture, sink term

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are On
Refbacks are On

All times are GMT -4. The time now is 15:56.