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Design of Multiple Impeller Stirred Tanks for the Mixing of Highly Viscous Fluids Using CFD

Aubin, Joelle and Xuereb, Catherine Design of Multiple Impeller Stirred Tanks for the Mixing of Highly Viscous Fluids Using CFD. (2006) Chemical Engineering Science, vol. 6 (n°9). pp. 2913-2920. ISSN 0009-2509

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Official URL: http://dx.doi.org/10.1016/j.ces.2005.10.075

Abstract

The effect of multiple Intermig impeller configuration on hydrodynamics and mixing performance in a stirred tank has been investigated using computational fluid dynamics. Connection between impeller stages and compartmentalisation has been assessed using Lagrangian particle tracking. The results show that by a rotating Intermig impeller by 45° respect to its neighbours, instead of a 90° rotation as recommended by manufacturers, enables a larger range of operating conditions, i.e. lower Reynolds number flows, to be handled. Furthermore by slightly decreasing the distance between the lower two impellers, fluid exchange between the impellers is ensured down to Re = 27.

Item Type:Article
Additional Information:Source : Fluid Mixing VIII International Conference,N°8, London, ROYAUME-UNI (10/04/2006) Thanks to Elsevier editor. The definitive version is available at http://www.sciencedirect.com Chemical Engineering Science homepage : http://www.elsevier.com/wps/find/journaldescription.cws_home/215/description#description
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution: Université de Toulouse > Institut National Polytechnique de Toulouse - INPT
Université de Toulouse > Université Paul Sabatier-Toulouse III - UPS
French research institutions > Centre National de la Recherche Scientifique - CNRS
Laboratory name:
Laboratoire de Génie Chimique - LGC (Toulouse, France) - Réaction, mélange & séparation (RMS)
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Deposited By: Joelle Aubin-cano

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