CFD Online Logo CFD Online URL
www.cfd-online.com
[Sponsors]
Home > Forums > Software User Forums > OpenFOAM

Where do thermophysicalProperties data come from?

Register Blogs Community New Posts Updated Threads Search

Reply
 
LinkBack Thread Tools Search this Thread Display Modes
Old   July 23, 2009, 03:03
Default Where do thermophysicalProperties data come from?
  #1
New Member
 
Max
Join Date: Mar 2009
Posts: 24
Rep Power: 17
didomenico is on a distinguished road
Dear all,

I am trying to run Xoodles on a testcase burning methane but I am facing some small issues in understanding the structure of the thermophysicalProperties file.

Beyond "thermoType" and "stoichiometricAirFuelMassRatio" (no problem for them), I am supposed to provide thermodynamic data for all "species" included in the combustion model. If my hypothesis are right, each line should have the following format:

"species name" "??" "molecular weight" "low-T NASA thermo. coefficients" "high-T NASA thermo. coefficients" "Sutherland parameters"

Now the questions:

- can anyone help me to understand the meaning of the second field?

- in the pitzDaily-Tutorial these thermodynamic data are provided for "fuel" "oxidant", "reactants", "products" and "burntProducts" species. Except for the "fuel" data (data are for propane), how are the data for the other "species" derived? Are they calculated using some mixing rules? Or are they taken directly from some databases?

Once everything will be clear to me, I promise I will add a small documentation to the Wiki page

Cheers,
Max
didomenico is offline   Reply With Quote

Reply

Tags
combustion, thermophysicalproperties, xoodles


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
【Help】"Error: Update_Time_Level: invalid data" Chen FLUENT 2 August 24, 2014 07:51
export data at nodes Meenu FLUENT 1 December 30, 2011 01:24
Saving particle (DPM) data to file? Philip FLUENT 2 June 12, 2006 01:41
How to update polyPatchbs localPoints liu OpenFOAM Running, Solving & CFD 6 December 30, 2005 17:27
Simulated data vs. experimental data moiami FLUENT 0 December 19, 2002 01:03


All times are GMT -4. The time now is 09:40.