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Title of Journal: Korean J Chem Eng

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Abbravation: Korean Journal of Chemical Engineering

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Springer US

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DOI

10.1016/0005-2787(68)90094-4

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1975-7220

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Energy consumption of the flow in pulsed extractio

Authors: George Angelov Christophe Gourdon
Publish Date: 2014/09/13
Volume: 32, Issue: 1, Pages: 37-42
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Abstract

This paper deals with determination of energy consumption due to pressure drop in pulsed extraction columns with internals of discs and rings doughnuts While the common approach assumes equality of a pulsed flow with a given mean velocity to a permanent flow with the same velocity here the periodical flow velocity pattern is taken into consideration It is shown that the energy consumption in case of a pulsed flow is different and quite larger than that of an “equivalent” permanent flow and should be accounted for the sake of a more precise column design A correlation for determination of energy consumption in case of sinusoidal periodic pulsed flow is proposed which reflects the influence of mean flow velocity and geometry parameters plate free area and interplate distance Its reliability is checked by comparison of calculated results and experimental data

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