CFD Online Logo CFD Online URL
www.cfd-online.com
[Sponsors]
Home > Forums > Fluent UDF and Scheme Programming

Molar concentration

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

Reply
 
LinkBack Thread Tools Display Modes
Old   March 17, 2012, 13:16
Default Molar concentration
  #1
Member
 
rose
Join Date: Dec 2010
Posts: 30
Rep Power: 7
rubis is on a distinguished road
hi,
please can you tell me how i can write the molar concentaration (model species ) in udf ,

thank you

Best regards
rubis is offline   Reply With Quote

Old   March 18, 2012, 20:24
Default
  #2
Senior Member
 
Ji Junjie
Join Date: Feb 2010
Location: Shanghai, China
Posts: 109
Rep Power: 8
gearboy is on a distinguished road
Quote:
Originally Posted by rubis View Post
hi,
please can you tell me how i can write the molar concentaration (model species ) in udf ,

thank you

Best regards
search "partial pressure" in this forum.
gearboy is offline   Reply With Quote

Old   March 21, 2012, 02:01
Default
  #3
Member
 
Byron Smith R J
Join Date: Mar 2009
Location: India
Posts: 46
Rep Power: 9
byronsmith is on a distinguished road
Hai,
Get the mass fractions of the species (Yi) using the macros[C_YI(c,t,i)] and then convert them into molar concentration using mass fraction * density/molar mass of species. density too can be accessed by the macros.

hope this helps.

with regards,
Byron Smith
byronsmith is offline   Reply With Quote

Old   March 21, 2012, 14:20
Default
  #4
Member
 
rose
Join Date: Dec 2010
Posts: 30
Rep Power: 7
rubis is on a distinguished road
Thank you for your help

with regards,
rubis is offline   Reply With Quote

Reply

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
Concentration Scale Data Interpretation usker CD-adapco 4 October 23, 2007 20:30
negative species concentration again Andrew Garrard FLUENT 0 March 22, 2005 12:36
initial concentration in multicomponent mixtures isidro CD-adapco 0 April 26, 2004 07:40
implement the molar concentration eqs? YW CD-adapco 0 October 1, 2003 14:56
molar concentration marco rookie FLUENT 3 June 12, 2003 20:51


All times are GMT -4. The time now is 00:51.