CFD Online Logo CFD Online URL
Home > Forums > CFX

Add total mass using sources to multi component fluids

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

LinkBack Thread Tools Display Modes
Old   February 4, 2011, 19:03
Default Add total mass using sources to multi component fluids
New Member
Join Date: Dec 2010
Posts: 26
Rep Power: 6
mullenc525 is on a distinguished road
I am trying to add water vapor to a air-water vapor mixture as it travels along a channel. I have the water vapor component using the transport equations and the air component using the constraint equation.

When I add a source term for water vapor to a wall, I notice the CFX help files note that "Sources for a particular component in a multicomponent fluid do not introduce any additional mass and so the sum of all component sources (including the constraint) must be zero."

I do not want this to be the case; I want the air massflow to be constant and the total massflow to increase.

Is there a way to do this?
mullenc525 is offline   Reply With Quote

Old   February 5, 2011, 05:56
Super Moderator
Glenn Horrocks
Join Date: Mar 2009
Location: Sydney, Australia
Posts: 11,057
Rep Power: 86
ghorrocks has a spectacular aura aboutghorrocks has a spectacular aura aboutghorrocks has a spectacular aura about
Can you do a mass source as well to keep the air mass conservation?
ghorrocks is offline   Reply With Quote


Thread Tools
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 On
Pingbacks are On
Refbacks are On

Similar Threads
Thread Thread Starter Forum Replies Last Post
Add Mass to a Particle with UDF (DPM) sega Fluent UDF and Scheme Programming 6 October 24, 2013 22:14
Add additional scalar to turbulence model john_w OpenFOAM 1 December 23, 2010 13:45
HELP PLS: Simplefoam manipulated to add diffusive mass transport...but solver stops!! 1gn0rant OpenFOAM Running, Solving & CFD 1 August 13, 2010 11:02
fluent add additional zones for the mesh file SSL FLUENT 2 January 26, 2008 12:55
Replace periodic by inlet-outlet pair lego CFX 3 November 5, 2002 21:09

All times are GMT -4. The time now is 14:49.