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Title: Three-way coupling simulation of a gas-liquid stirred tank using a multi-compartment population balance model
Authors: Gimbun, Jolius
Liew, Shi Yan
Nagy, Zoltan K.
Rielly, Chris D.
Keywords: Computational fluid dynamics
Multi-compartment model
Three-way coupling
Population balance model
Issue Date: 2016
Publisher: © Walter de Gruyter GmbH
Citation: GIMBUN, J. ...et al., 2016. Three-way coupling simulation of a gas-liquid stirred tank using a multi-compartment population balance model. Chemical Product and Process Modeling, 11(3), pp. 205-216.
Abstract: © 2016 by De Gruyter.Modelling of gas-liquid stirred tanks is very challenging due to the presence of strong bubble-liquid interactions. Depending upon the needs and desired accuracy, the simulation may be performed by considering one-way, two-way, three-way or four-way coupling between the primary and secondary phase. Accuracy of the prediction on the two-phase flow generally increases as the details of phase interactions increase but at the expense of higher computational cost. This study deals with two-way and three-way coupling of gas-liquid flow in stirred tanks which were then compared with results via four-way coupling. Population balance model (PBM) based on quadrature method of moments (QMOM) was implemented in a multi-compartment model of an aerated stirred tank to predict local bubble size. The multi-compartment model is regarded as three-way coupling because the local turbulent dissipation rates and flow rates were obtained from a two-way computational fluid dynamics (CFD) simulation. The predicted two-phase flows and local bubble size showed good agreement with experimental data.
Description: This paper was accepted for publication in the journal Chemical Product and Process Modeling and the definitive published version is available at http://dx.doi.org/10.1515/cppm-2015-0076
Version: Accepted for publication
DOI: 10.1515/cppm-2015-0076
URI: https://dspace.lboro.ac.uk/2134/23100
Publisher Link: http://dx.doi.org/10.1515/cppm-2015-0076
ISSN: 2194-6159
Appears in Collections:Published Articles (Chemical Engineering)

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