CFD Online Logo CFD Online URL
Home > Forums > Software User Forums > ANSYS > FLUENT > Fluent Multiphase

Problem related to multiphase flow with species transport equation

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

LinkBack Thread Tools Search this Thread Display Modes
Old   July 23, 2020, 19:26
Default Problem related to multiphase flow with species transport equation
Anshuman Sinha
Join Date: Oct 2018
Posts: 70
Rep Power: 7
Anshs is on a distinguished road
I am modeling a multiphase flow with species transport equation. There are phases like a water column and overlying oil phase, and the water column is being stirred with DPM particles.

Both water and oil phases are defined as mixture material like water = h2o(liq) + hnco ( 0.001 fraction) , oil = diesel(liq) (0.99 fraction) + O2 (0.01 fraction).

I'm using the implicit VOF method for interface tracking, and the PISO algorithm for p-v coupling.

The results are not satisfactory when I'm using mixture materials for the phases.

Initial condition: There are 3 phases of water, oil, and air. each lying above the other in order of density ( water, oil, air).

Results ( when phases are not defined as a mixture ): These results are satisfactory with the experiments.
Screenshot 2020-07-24 at 4.27.39 AM.jpg

Results ( when phases are defined as a mixture ) :
Screenshot 2020-07-24 at 4.40.44 AM.jpg

These results when the material is defined as a mixture are not as expected. I'm also attaching the species plots and velocity profile plot:

Screenshot 2020-07-24 at 4.50.03 AM.jpg.

Thank you for all the help.
Anshs is offline   Reply With Quote


dpm, mixture., multi phase, species tranport, vof method

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

Similar Threads
Thread Thread Starter Forum Replies Last Post
SU2-7.0.1 on ubuntu 18.04 hyunko SU2 Installation 7 March 16, 2020 04:37
Species transport model problem argeus FLUENT 8 September 20, 2019 07:23
mass flow in is not equal to mass flow out saii CFX 12 March 19, 2018 05:21
Weird problem in FLUENT Species Transport Bin ANSYS 0 September 24, 2013 20:41
Multiphase flow problem icedou FLUENT 6 July 10, 2005 02:52

All times are GMT -4. The time now is 00:59.