Calculation of Turbulent kinetic energy and dissipation rate

Using SimScale
1

Hello there,
We have gone through many forum projects and found that they have their own k and epsilon values. Please tell or illustrate the formula used to calculate for external flow. Your help will be appreciated.
Thanks

2

Hi @Harekrishna!

This here might help you: Defining Turbulent Boundary Conditions - let me know if you have any additional questions.

Best,

Jousef

3

@jousefm
We gone through it. I have a clarification. How to decide turbulence values for flow over tire.?

4

Hi @Harekrishna!

I would use the velocity of the inlet that you have set as the boundary condition in your simulation.

Best,

Jousef

5

This post and topic could help you. :slight_smile:

2 Likes
6

Hi! I’m trying to calculate (k) turb. kinetic energy and (w) specific dissipation rate for a simulation that simulating an airplane wing. And the altitude is 10000 meters and chord line is 5 meters. I read some articles and some stuff. But there is lot of different formula and I got really confused about how am ı gonna calculate this two. I got really short time to finish my project and I’d be glad if you could help me about it.