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Forum: OpenFOAM Pre-Processing

February 15, 2010, 10:09

Replies: 11

icoFoam >> density >> kinematic viscosity for air 20°C

Views: 8,703

Posted By mgolbs

Hello, thanks for the informations. My...

Hello,

thanks for the informations. My mistake was setting "0" in the internal field of k and epsilon.

Greeting Markus

Forum: OpenFOAM Pre-Processing

February 11, 2010, 05:00

Replies: 11

icoFoam >> density >> kinematic viscosity for air 20°C

Views: 8,703

Posted By mgolbs

Hello, ....k is the turbulent kinetic...

Hello,

....k is the turbulent kinetic energy k = 1/2 (u')^2

epsilon is the dissipation rate epsilon = C_mu^0.75 * k^1.5 / L, where C_mu is usually 0.09 and L is, say, 20% of channel width.......

Forum: OpenFOAM Pre-Processing

December 4, 2009, 02:25

Replies: 11

icoFoam >> density >> kinematic viscosity for air 20°C

Views: 8,703

Posted By mgolbs

Hello, thanks for the many Informations. I...

Hello,

thanks for the many Informations. I have a look in the userGuide.. but not all my questions are answered:rolleyes:.

When I create a modell "90° pipe" -turbulent air, whis wall, one...

Forum: OpenFOAM Pre-Processing

December 2, 2009, 10:52

Replies: 11

icoFoam >> density >> kinematic viscosity for air 20°C

Views: 8,703

Posted By mgolbs

Hello, thanks for the informations. In the...

Hello,

thanks for the informations. In the openFoam userGuide are importent dokus. I have solve a modell whis icoFoam, linear flow. This works well. The same modell I would like the same mesh...

Forum: OpenFOAM Pre-Processing

December 1, 2009, 10:23

Replies: 11

icoFoam >> density >> kinematic viscosity for air 20°C

Views: 8,703

Posted By mgolbs

Hello, thank's! I have a problem, because...

Hello,

thank's! I have a problem, because icoPipe is only for laminar flow. I need turbulent flow. Also I must use simplefoam. The are any parameters to set:

# Field Patch Field Type...

Forum: OpenFOAM Pre-Processing

November 30, 2009, 04:19

Replies: 11

icoFoam >> density >> kinematic viscosity for air 20°C

Views: 8,703

Posted By mgolbs

icoFoam >> density >> kinematic viscosity for air 20°C

Hello,

I want solve a problem whis air by 20°C in profile whis turbulent flow and icoFoam. Where can i set the density of air and the kinematic viscosity? Is the k/e-Modell in icoFoam use for...

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