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MOTION OF SWARMS OF DROPLETS

DOI: 10.1615/ICHMT.1997.IntSymLiqTwoPhaseFlowTranspPhen.90
page 10

Ingo Wagner
Technische Universität München, Lehrstuhl A für Verfahrenstechnik Arcisstr. 21, D- 0333 Munchen, Germany

Johann Stichlmair
Department of Chemical Engineering at the Technical University of Munich, Lehrstuhl A für Verfahrenstechnik Arcisstr. 21, D- 0333 Munchen, Germany

Sinopsis

A generalized model for the prediction of droplet velocity in liquid-liquid dispersions has been established. The equation is based on a empirical correlation for single drop movement and takes into account for swarm effects taking pattern from solid particle fluidized beds. Additional a new approach has been elaborated to calculate flooding rates in countercurrent spray columns using the new swarm model. The proceeding described below leads to a generalized flooding diagram. The derived correlations have been validated for a wide range of operating variables collecting a database containing over 500 experimental datapoints. The new approach promotes the comprehension for the fundamental processes in multi-particle systems and is superior over models published.

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