How to calculate values of k omega in the komega sst model als please mention what are their physical significance

[hnagar]

hello there i am not getting how to put the exact values of the k ,omega, turbulence intensity that matches a physical condition
please explain with a example i am rookie so i dont have a deep understanding of the physics behind but i am willing to learn
@tsite

[tsite]

Hi there, thank you for using the forum, please check the following pages:

K-Omega Turbulence Models | Global Settings | SimScale

Initial Values for Turbulence Coefficients

I usually use the tools you have mentioned, but bear in mind that those equations were developed for pipes. Thus, you may also use the reference length of your object in those equations (e.g., the chord of the airfoil). In internal engine applications we use the average piston speed and the cylinder bore as references.

Defining Turbulent Boundary Conditions

[image] \underline{\textbf{Introduction}} Turbulent boundary conditions are often overlooked in simulation and left as default, which can lead to inaccurate results in many cases. Turbulent boundary conditions can be calculated using experimental results, but in most cases, it is enough to approximate them based on our understanding of flows and information about the domain to be simulated. \underline{\textbf{Impact of Turbulent Boundary Conditions on Results}} [MountainVisulisation2] Fig…

Best regards,
Fillia