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Dynamics of liquid agitation in the absence of an air-liquid interface

✍ Scribed by David S. Laity; Robert E. Treybal

Publisher
American Institute of Chemical Engineers
Year
1957
Tongue
English
Weight
605 KB
Volume
3
Category
Article
ISSN
0001-1541

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✦ Synopsis

Abstract

The dynamics of agitating single‐ and two‐phase liquid mixtures in the absence of an air‐liquid interface was compared with that of similar systems with an interface. Two geometrically similar cylindrical vessels, 12 and 18 in. in diameter respectively, were used, each fitted with a similar six‐bladed, disk‐turbine impeller.

New general correlation curves of power number with Reynolds number are presented which show that elimination of the air‐liquid interface makes it possible to attain dynamic similarity in scale‐up in unbaffled vessels but makes little difference in baffled vessels.

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