Eddy Diffusivity in the Viscous Sublayer
- Autores: Newman J.1
- 
							Afiliações: 
							- Department of Chemical and Biomolecular Enginering, University of California
 
- Edição: Volume 55, Nº 10 (2019)
- Páginas: 1031-1033
- Seção: Short Communications
- URL: https://journals.rcsi.science/1023-1935/article/view/191124
- DOI: https://doi.org/10.1134/S1023193519100069
- ID: 191124
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Resumo
An attempt is made to resolve a long standing difference in the predicted distribution of the eddy diffusivity in the viscous sublayer, where the literature shows a dependence on either the cube or the fourth power of the distance from a solid wall. The resolution suggested is that a y3 dependence prevails very close to the wall while a y4 dependence may prevail in the outer part of the viscous sublayer near the border with the outer turbulent flow. However, at high values of the Schmidt number, the overall mass-transfer rate will show behavior corresponding to the y3 dependence, and any hints of the y4 dependence would be very hard to observe experimentally.
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Sobre autores
John Newman
Department of Chemical and Biomolecular Enginering, University of California
							Autor responsável pela correspondência
							Email: newman@newman.cchem.berkeley.edu
				                					                																			                												                	Estados Unidos da América, 							Berkeley, California, 94720-1462						
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