Breakage and coalescence of drops in turbulent stirred dispersions

Nambiar, DKR and Kumar, R and Gandhi, KS (1990) Breakage and coalescence of drops in turbulent stirred dispersions. In: Sadhana : Academy Proceedings in Engineering Sciences, 15 (Part 2). pp. 73-103.

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Abstract

The various existing models for predicting the maximum stable drop diameterd max in turbulent stirred dispersions have been reviewed. Variations in the basic framework dictated by additional complexities such as the presence of drag reducing agents in the continuous phase, or viscoelasticity of the dispersed phase have been outlined. Drop breakage in the presence of surfactants in the continuous phase has also been analysed. Finally, the various approaches to obtaining expressions for the breakage and coalescence frequencies, needed to solve the population balance equation for the number density function of the dispersed phase droplets, have been discussed.

Item Type:	Journal Article
Publication:	Sadhana : Academy Proceedings in Engineering Sciences
Publisher:	Indian Academy of Sciences
Additional Information:	Copyright of this article belongs to Indian Academy of Sciences.
Keywords:	Drop breakage - coalescence of drops - stirred vessels - size distribution of drops in stirred vessels - turbulence - maximum stable drop diameter - breakage frequency - coalescence frequency.
Department/Centre:	Division of Mechanical Sciences > Chemical Engineering
Date Deposited:	07 Jan 2011 11:31
Last Modified:	07 Jan 2011 11:31
URI:	http://eprints.iisc.ac.in/id/eprint/34897

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