Learning Forum

[Federico Alzamora Previtali]

Hello Alek, 

Velocity [u,v,w] is the instantaneous resolved velocity -> Ui;

Mean Velocity [u,v,w] is the time averaged resolved velocity -> {Ui}^bar

RSME Velocity [u,v,w] is the fluctuating velocity -> Ui'

where 

Ui = {Ui}^bar + Ui'