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Peclet number

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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
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