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

Peclet number

From CFD-Wiki

(Difference between revisions)
Jump to: navigation, search
m (Peclet Number moved to Peclet number)

Revision as of 04:31, 19 September 2005

The Peclet number is defined as


Pe \equiv \frac{U_\infty L}{\alpha}

Also


Pe \equiv Re Pr

where

  • U_\infty is the freestream velocity
  • L is the characteristic dimension of the problem
  • \alpha is the thermal diffusion coefficient
My wiki