Péclet number (Pe) - Nishanth Saldanha: Difference between revisions
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== Definition == | == Definition == | ||
The Péclet number (Pe) is a dimensionless number that represents the ratio of the convection rate over the diffusion rate in the a convection-diffusion transport system. | The Péclet number (Pe) is a dimensionless number that represents the ratio of the convection rate over the diffusion rate in the a convection-diffusion transport system. <sup>[1][2]</sup> | ||
<math>Pe = \frac{(Convection \, rate)}{(Diffusion \, rate)}</math> | <math>Pe = \frac{(Convection \, rate)}{(Diffusion \, rate)}</math> | ||
Revision as of 16:40, 14 February 2017
Definition
The Péclet number (Pe) is a dimensionless number that represents the ratio of the convection rate over the diffusion rate in the a convection-diffusion transport system. [1][2]
[math]\displaystyle{ Pe = \frac{(Convection \, rate)}{(Diffusion \, rate)} }[/math]
Derivation
References
[[1]] "Advection and diffusion of an instantaneous release". Heidi Nepf. 1.061 Transport Processes in the Environment. Fall 2008. Massachusetts Institute of Technology: MIT OpenCourseWare, License: Creative Commons BY-NC-SA.
[[2]] Incropera, F., DeWitt, D., Bergman, T., Lavine, A. Fundamentals of Heat and Mass Transfer”; Wiley: New York. 2011
[[3]] "Derivation of basic transport equation". Ali Ertürk. Lagoon Ecosystem Modelling (ECOPATH/ECOSIM): From Hydrodynamics to Fisheries. June 21- 23, 2011, University of Klaipeda and Leibniz Institute for Baltic Sea Research Warnemünde
