|July 15, 2014, 20:48||
In VOF model, The bubble growth matter.
Join Date: Mar 2014
Posts: 12Rep Power: 4
In VOF model, I want to simulate boiling bubble growth.
I know that VOF model needs source in each cell for mass transfer bewteen primary(vapor) and secondary phase(liquid).
So I wrote UDF files(mass source in liquid and vapor, and energy source in mixture).
I expressed mass soures, energy source as attached image.
Fluent inputing UDF operate. but primary void fraction is zero.
I carried out this simulation.
1. Inputting mesh.
2. Activitating VOF model, Energy, laminar
3. Inputting material, UDF and assigning UDM
4. Setting boundatys, operating conditions
5. Setting initialization(Temperature : saturated temperature/fraction : 1)
6. Run after setting run calculation.
I don't undersand this matter.
I think it is the initialization matter but I don't be assured of it.
Do you think what is the matter?
Could you please help me?
|Thread||Thread Starter||Forum||Replies||Last Post|
|VOF model for bubble flow||usakshi||Fluent Multiphase||0||March 14, 2014 19:54|
|Water subcooled boiling||Attesz||CFX||7||January 5, 2013 04:32|
|Bubble column, multiphase model||wprostaff||FLUENT||0||July 11, 2011 08:02|
|question about Heat transfer between two phases with VOF model||sooroo3||FLUENT||0||February 15, 2011 04:24|
|Moving mesh or VOF?||Giovanni||Main CFD Forum||16||September 24, 2001 08:25|