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

Surface tension field depends on tempreature

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

LinkBack Thread Tools Display Modes
Old   January 15, 2014, 09:29
Post Surface tension field depends on tempreature
Join Date: Dec 2009
Posts: 46
Rep Power: 7
openfoam1 is on a distinguished road
Dear fellow Foamers,

I want to solve a 2 phase laminar flow with changeable surface tension coefficient (Sigma) along the interface due to temperature change. i.e Sigma (S) is a scalar field function of the coordinates (x,y,z) ant the temperature (T).

S = f(x,y,z,T)

I know that there exist a 3D solver for laminar 2 phase flows which is the interFoam solver. But I need to insert the temperature and the surface tension coefficient as fields. Any Foamer knows if there is any way or solver for my case? Thanks

openfoam1 is offline   Reply With Quote

Old   January 15, 2014, 17:09
Senior Member
kmooney's Avatar
Kyle Mooney
Join Date: Jul 2009
Location: Amherst, MA USA - San Diego, CA USA
Posts: 297
Rep Power: 9
kmooney is on a distinguished road

I can' see any reason why it can't be done. I'm sure someone out there has adapted the interFoam solver to handle varing surface tensions at some point.

You'll have to edit some code, most likely the sigmaK() function in the interfaceProperties class (/src/transportModels/interfaceProperties) to change the dimensionedScalar treatment of sigma to a volScalarField.

Also there will be extra terms in NS which will fall out from the chain rule i.e. marangioni effects (grad(sigma)) or something to that nature. Make sure you get the momentum equation right so do some homework on it.

Hope that helps! This would be a nifty medium difficulty programming tutorial if you manage to get it working.

kmooney is offline   Reply With Quote


interfoam with temp, multiphase flow, surface tension, surface tension gradient

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
Moving mesh Niklas Wikstrom (Wikstrom) OpenFOAM Running, Solving & CFD 122 June 15, 2014 06:20
Surface tension defining! gooya_kabir CFX 4 April 1, 2012 02:32
continuum surface tension model yukn Main CFD Forum 0 October 8, 2011 06:43
UDF macro for surface tension coefficient Frederik FLUENT 2 May 30, 2005 10:54
Surface tension - Continuum Surface Force model Robert Main CFD Forum 0 May 2, 2002 07:34

All times are GMT -4. The time now is 04:15.