CFD Online Logo CFD Online URL
Home > Forums > Software User Forums > ANSYS > CFX

value for dynamic diffusivity

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

LinkBack Thread Tools Search this Thread Display Modes
Old   December 29, 2008, 14:14
Default value for dynamic diffusivity
Posts: n/a
Hi everyone, In Field's char oxidation,it is said in the manual that

Dref is the dynamic diffusivity (recommended value is 1.8e-5 [kg m^-1 s^-1])... Can you tell me how this value is got? Is it a constant?

Thanks & Regards, Soup
  Reply With Quote


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
PEM modeling UDS diffusivity in mixture gemini FLUENT 6 August 7, 2012 07:37
What is UDS diffusivity of a self-defined material? aleisia FLUENT 0 March 5, 2011 22:08
Motion diffusivity solver has problems with patches moving toward each other bfa OpenFOAM Running, Solving & CFD 2 July 8, 2009 21:35
Species Diffusivity in PEMFC Simulation circle2000 FLUENT 0 September 20, 2004 22:12
Species diffusivity zhou1 FLUENT 0 November 4, 2003 17:23

All times are GMT -4. The time now is 11:26.