# Peclet number

(Difference between revisions)
 Revision as of 11:14, 18 December 2008 (view source)m (bocvierord)← Older edit Latest revision as of 11:39, 18 December 2008 (view source)Peter (Talk | contribs) m (Reverted edits by SitboRolra (Talk) to last version by Praveen) Line 1: Line 1: - basdomle The Peclet number is defined as The Peclet number is defined as

## Latest revision as of 11:39, 18 December 2008

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