Generalized breakup and coalescence models for population balance modelling of liquid-liquid flows

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dc.contributor.authorTraczyk, Marcin
dc.contributor.authorSawko, Robert
dc.contributor.authorThompson, Chris
dc.date.accessioned2016-06-02T09:34:44Z
dc.date.available2016-06-02T09:34:44Z
dc.date.issued2015-11-24
dc.description.abstractPopulation balance framework is a useful tool that can be used to describe size distribution of droplets in a liquid-liquid dispersion. Breakup and coalescence models provide closures for mathematical formulation of the population balance equation (PBE) and are crucial for accu- rate predictions of the mean droplet size in the ow. Number of closures for both breakup and coalescence can be identi ed in the literature and most of them need an estimation of model parameters that can di er even by several orders of magnitude on a case to case basis. In this paper we review the fundamental assumptions and derivation of breakup and coalescence ker- nels. Subsequently, we rigorously apply two-stage optimization over several independent sets of experiments in order to identify model parameters. Two-stage identi cation allows us to estab- lish new parametric dependencies valid for experiments that vary over large ranges of important non-dimensional groups. This be adopted for optimization of parameters in breakup and co- alescence models over multiple cases and we propose a correlation based on non-dimensional numbers that is applicable to number of di erent ows over wide range of Reynolds numbers.en_UK
dc.identifier.citationMarcin Traczyk , Robert Sawko and Chris Thompson, Generalized breakup and coalescence models for population balance modelling of liquid-liquid flows. 3rd International Academic Conference of Postgraduates, 18-20 November 2015, Nanjing, China.en_UK
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/9924
dc.language.isoenen_UK
dc.publisherNanjing University of Aeronautics and Astronauticsen_UK
dc.titleGeneralized breakup and coalescence models for population balance modelling of liquid-liquid flowsen_UK
dc.typeConference paperen_UK

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