A theoretical model for droplet breakup in turbulent dispersions

A theoretical model for droplet breakup in turbulent dispersions

A theoretical model for the prediction of droplet breakup rate and daughter size distribution in turbulent dispersions has been developed. It considers the breakup contributed by a novel breakup criterion based on surface energy density increase, the droplet surface oscillation from previous collisi...

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Veröffentlicht in:Chemical engineering science 2011-02, Vol.66 (4), p.766-776
Hauptverfasser: Han, Luchang, Luo, He'an, Liu, Yuejin
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Breakup
Chemical engineering
Computational fluid dynamics
Daughter size distribution
Density
Dispersions
Droplet
Droplets
Energy constraint
energy density
Exact sciences and technology
Mathematical models
prediction
Size distribution
Surface oscillation
Turbulence
Turbulent dispersion
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Beschreibung
Zusammenfassung:A theoretical model for the prediction of droplet breakup rate and daughter size distribution in turbulent dispersions has been developed. It considers the breakup contributed by a novel breakup criterion based on surface energy density increase, the droplet surface oscillation from previous collision and the eddies larger than original droplets. The breakup rate and daughter size distribution predicted by this model show a good agreement with the experimental data reported recently.
ISSN:0009-2509
1873-4405
DOI:10.1016/j.ces.2010.11.041