CFD Online Logo CFD Online URL
www.cfd-online.com
[Sponsors]
Home > Wiki > Dimensionless velocity

Dimensionless velocity

From CFD-Wiki

(Difference between revisions)
Jump to: navigation, search
Line 1: Line 1:
A non-dimensional velocity for a wall-bounded flow can be defined in the following way:
A non-dimensional velocity for a wall-bounded flow can be defined in the following way:
-
:<math>u^+ \equiv \frac{\U}{\u_*}}</math>
+
:<math>u^+ \equiv \frac{\U}{u_*}}</math>
-
Where <math>U</math> is the local velocity and <math>\u_*</math> is the [[Friction velocity|friction velocity]] at the closest wall.
+
Where <math>U</math> is the local velocity and <math>u_*</math> is the [[Friction velocity|friction velocity]] at the closest wall.
[[Category:Dimensionless parameters]]
[[Category:Dimensionless parameters]]

Revision as of 14:59, 11 May 2006

A non-dimensional velocity for a wall-bounded flow can be defined in the following way:

Failed to parse (unknown function\U): u^+ \equiv \frac{\U}{u_*}}


Where U is the local velocity and u_* is the friction velocity at the closest wall.

My wiki