Reference : Hydrodynamics, mixing and mass transfer in baffled stirred tanks
Scientific congresses and symposiums : Paper published in a book
Engineering, computing & technology : Chemical engineering
http://hdl.handle.net/2268/184283
Hydrodynamics, mixing and mass transfer in baffled stirred tanks
English
de Lamotte, Anne mailto [Université de Liège > Département de chimie appliquée > Génie de la réaction et des réacteurs chimiques >]
Delafosse, Angélique mailto [Université de Liège > Département de chimie appliquée > Génie de la réaction et des réacteurs chimiques >]
Calvo, Sébastien mailto [Université de Liège > Département de chimie appliquée > Génie chimique - Nanomatériaux et interfaces >]
Collignon, Marie-Laure mailto [Université de Liège > Département de chimie appliquée > Département de chimie appliquée >]
Toye, Dominique mailto [Université de Liège > Département de chimie appliquée > Génie de la réaction et des réacteurs chimiques >]
Jun-2015
Proceedings of the 15th European Conference on Mixing
Yes
No
International
15th European Conference on Mixing
from June 28th 2015 to July 3rd 2015
Saint-Petersburg
Russie
[en] Stirred tanks ; Hydrodynamics ; Mass transfer ; Mixing ; Free surface ; CFD
[en] The present work presents CFD simulations of hydrodynamics, mixing and mass transfer in a surface-aerated baffled stirred tank. The modelling of the multiphase flow is realized via an Euler-Euler approach. Three closure models are tested for the resolution of the RANS equations. When fully-developed flow field is reached, gas-liquid transfer is implemented with a local mass transfer coefficient estimated by the eddy cell model, and the temporal evolution of dissolved gas concentration is predicted.Hydrodynamic and mixing quantities as well as mass transfer parameters for the different turbulence models are compared with experimental data available for the same geometrical and operating features. A critical analysis of the prediction results allow to assess the models capabilities and to highlight the possible critical issues of the simulations.
Fonds de la Recherche Scientifique (Communauté française de Belgique) - F.R.S.-FNRS
http://hdl.handle.net/2268/184283

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