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

high temperature jet flow converge issue.

Register Blogs Community New Posts Updated Threads Search

Reply
 
LinkBack Thread Tools Search this Thread Display Modes
Old   October 5, 2010, 17:00
Default high temperature jet flow converge issue.
  #1
New Member
 
yu
Join Date: Nov 2009
Posts: 26
Rep Power: 16
universez is on a distinguished road
hi, i use rhoPisoFoam to simulate high temperature (10000) jet flow out of a nozzle to air (300k), I have converge issue at the nozzle exit. I found that DpDt term had zigzag problem, see pics. For low temperature, it is ok.

Can any one give me some hint.

Yu
Attached Images
File Type: jpg dpdt.jpg (16.1 KB, 8 views)
File Type: jpg pic2.jpg (22.0 KB, 7 views)
universez is offline   Reply With Quote

Reply


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
Low Mach number Compressible jet flow using LES ankgupta8um OpenFOAM Running, Solving & CFD 7 January 15, 2011 13:38
Problem with Convergence at high flow rates Syed Siemens 1 April 10, 2007 15:18
flow simulation across a small fan jane luo Main CFD Forum 15 April 12, 2004 17:49
stationary flow - transient temperature Nicola Siemens 5 June 16, 2003 05:44
High speed flow problems Sawa FLUENT 3 January 14, 2003 01:10


All times are GMT -4. The time now is 17:06.