CFD Online Logo CFD Online URL
Home > Forums > CD-adapco

How to obtain diffusion flux

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

LinkBack Thread Tools Display Modes
Old   April 13, 2006, 11:58
Default How to obtain diffusion flux
Posts: n/a
Hi experts

I want to obtain diffusion flux in kg/s at a interface between two cell types. My scalar species are SF6 and air. I am ablbe to obtain mass fraction Yi stored in cells. By fick's law, diffusion flux should be Summation (Yi+1-Yi)*density*D*Ai/(Xi+1-Xi)

where D is molecular diffusitiy, and Ai is area of cell i

It is hard to locate corresponding cell number value of two cell type at interface. Would you plaese advise any suggestion to slove my question? Thank you in advance.


  Reply With Quote

Old   May 3, 2006, 14:41
Default Re: How to obtain diffusion flux
jeremy parra
Posts: n/a
similar question...
  Reply With Quote


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
Help! How to calculate the diffusion flux of a UDS lzw FLUENT 0 June 18, 2008 03:50
How to obtain forces Karimu FLUENT 2 August 22, 2005 17:26
zero flux boundary for diffusion scalar cmv CD-adapco 1 April 15, 2005 05:42
How to obtain.... Sharad Dugad FLUENT 6 February 13, 2002 13:14
how to obtain a profile ... olivier FLUENT 2 December 13, 2001 07:21

All times are GMT -4. The time now is 16:48.