CFD Online Logo CFD Online URL
Home > Forums > Main CFD Forum

instability problem for very low reynolds number range

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

LinkBack Thread Tools Display Modes
Old   October 21, 1999, 02:42
Default instability problem for very low reynolds number range
Nuray Kayakol
Posts: n/a
Hi, I am looking for best spatial discretization scheme for following dimensionless parameters:

Re: 6.0E-5 - 0.6 Pr: 5.0E+7 - 1.5E+4 Pe: 3.0E+3 - 2.5E+3 Ra: 25E+1 - 3.0E+5

These are valid for very high viscous flows at high temperature range(1200K-1700K).

My aim is to solve instability problem encountered with different viscosity values.

Thank you for your time and considerations.

  Reply With Quote

Old   October 22, 1999, 09:03
Default Re: instability problem for very low reynolds number range
Valdemir G. Ferreira
Posts: n/a
Hello Nuray,

Perhaps the Pracht's method be very good. See the following paper:

Pracht,W.E.,1971. A numerical method for calculating

transient creep flows. J.Comp.Physics

7, 46-60.

Good Luck for you.

  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
Low Reynolds Number SST Model Josh CFX 39 February 19, 2014 09:47
Low reynolds number flow pranavr Main CFD Forum 11 February 23, 2011 03:33
Low Reynolds Number k-epsilon formulation CFX 10.0 Chris CFX 4 December 8, 2009 00:51
Low Reynolds number K-Omega modeling Athar Zaidi Main CFD Forum 0 October 31, 1999 14:59
"The high Reynolds number flow is not difficult to compute, the problem is we simply don't know how. wowakai Main CFD Forum 1 November 11, 1998 11:24

All times are GMT -4. The time now is 03:11.