Droplets size evolution of dispersion in a stirred tank
The Czech Academy of Sciences, Institute of Hydrodynamics Pod Patankou 30/5, 166 12 Prague 6, Czech Republic
2 Czech Technical University in Prague, Faculty of Mechanical Enginnering, Department of Process Engineering, Technicka 4, 166 07 Prague 6, Czech Republic
3 Technical University of Liberec, Institute for Nanomaterials, Advanced Technology and Innovation, Studentska 1402/2, 461 17 Liberec, Czech Republic
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Published online: 4 June 2018
Dispersion of two immiscible liquids is commonly used in chemical industry as wall as in metallurgical industry e. g. extraction process. The governing property is droplet size distribution. The droplet sizes are given by the physical properties of both liquids and flow properties inside a stirred tank. The first investigation stage is focused on in-situ droplet size measurement using image analysis and optimizing of the evaluation method to achieve maximal result reproducibility. The obtained experimental results are compared with multiphase flow simulation based on Euler-Euler approach combined with PBM (Population Balance Modelling). The population balance model was, in that specific case, simplified with assumption of pure breakage of droplets.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).