# Peclet number

(Difference between revisions)
 Revision as of 04:31, 19 September 2005 (view source)Praveen (Talk | contribs)m (Peclet Number moved to Peclet number)← Older edit Revision as of 11:14, 18 December 2008 (view source)m (bocvierord)Newer edit → Line 1: Line 1: + basdomle The Peclet number is defined as The Peclet number is defined as

## Revision as of 11:14, 18 December 2008

basdomle 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