Models of turbulent viscosity and mixing in channels and packed flow-through mixers

Models of turbulent viscosity and mixing in channels and packed flow-through mixers The use of packed flow-through mixers for intense mixing of liquid media and of liquids with a finely dispersed phase is considered. Ways to determine the mixing and turbulent exchange coefficients for evaluating the mixing efficiency in channels and in packed flow-through mixers are presented. The results are consistent with the experimental data on turbulent viscosity in pipes. An expression is obtained for calculating the turbulent viscosity coefficient in a packing bed. Comparative characteristics of mixers with Raschig rings and Inzhekhim packing are presented. The calculated values of the Peclet number for various packings in relation to the Reynolds number are given. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

Models of turbulent viscosity and mixing in channels and packed flow-through mixers

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Publisher
Springer Journals
Copyright
Copyright © 2013 by Pleiades Publishing, Ltd.
Subject
Chemistry; Chemistry/Food Science, general; Industrial Chemistry/Chemical Engineering
ISSN
1070-4272
eISSN
1608-3296
D.O.I.
10.1134/S1070427213070173
Publisher site
See Article on Publisher Site

Abstract

The use of packed flow-through mixers for intense mixing of liquid media and of liquids with a finely dispersed phase is considered. Ways to determine the mixing and turbulent exchange coefficients for evaluating the mixing efficiency in channels and in packed flow-through mixers are presented. The results are consistent with the experimental data on turbulent viscosity in pipes. An expression is obtained for calculating the turbulent viscosity coefficient in a packing bed. Comparative characteristics of mixers with Raschig rings and Inzhekhim packing are presented. The calculated values of the Peclet number for various packings in relation to the Reynolds number are given.

Journal

Russian Journal of Applied ChemistrySpringer Journals

Published: Aug 28, 2013

References

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