Peclet number

(Difference between revisions)
 Revision as of 04:10, 19 September 2005 (view source)← Older edit Revision as of 04:11, 19 September 2005 (view source)Newer edit → Line 5: Line 5: [/itex] [/itex] + :$Also Pe \equiv Re Pr Also Pe \equiv Re Pr +$ where where

Revision as of 04:11, 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 diffusion coefficient