Sherwood number
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The Sherwood number (Sh) is a dimensionless number used in mass-transfer operation. It represents the ratio of lengthscale to the diffusive boundary layer thickness.
It is defined as follows
<math> Sh = \frac{K_c L}{\mathcal{D}} <math>
It is the mass-transfer equivalent of the Nusselt number where
- <math>K_c<math> = overall mass transfer coefficient;
- <math>L<math> = characteristic length;
- <math>\mathcal{D}<math> = component diffusion coefficientde:Sherwood-Zahl