CFD Online Discussion Forums

CFD Online Discussion Forums (http://www.cfd-online.com/Forums/)
-   FLUENT (http://www.cfd-online.com/Forums/fluent/)
-   -   Fluent 12.0, Low Reynolds Number Flows (http://www.cfd-online.com/Forums/fluent/72105-fluent-12-0-low-reynolds-number-flows.html)

anandvksin2003 January 25, 2010 18:14

Fluent 12.0, Low Reynolds Number Flows
 
Hi,

I am currently working on Flow simulation in Labyrinth seals using Fluent 12.0 at Texas A&M University College Station. I have the following queries:

I am using a fine mesh and hence Graphics window layout constantly refreshes the screen causing the application to slow down in Fluent 12.0. Every time i pick an option from a dialog, it rebuilds the graphic window layout. Is there any way i could get a Graphic window layout like Fluent 6.3.26 which would not refresh every time ?

Also i have turned on the turbulence models in my simulations, at high Reynold numbers the simulation work fine, however at low Reynold numbers in the laminar range i observer streamlines like in potential flow. Does Fluent 12.0 automatically turn off turbulence models at low Reynold numbers ? The streamlines almost follow the tooth profile in labyrinth seals at low Reynold numbers.

Thanking you,

Sincerely,
Anand Vijaykumar
Graduate Student,
Department of Mechanical Engineering,
Texas A&M University- College Station

jack1980 January 26, 2010 06:16

To know how much turbulence you have plot the turbulent intensity (http://www.cfd-online.com/Wiki/Turbulence_intensity), or perhaps turbulent viscosity ratio.


All times are GMT -4. The time now is 00:27.