Phase inversion and droplet size measurements in agitated liquid-liquid systems
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# Phase inversion and droplet size measurements in agitated liquid-liquid systems by S. M. Fakhr-Din

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Written in English

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Edition Notes

Thesis (Ph.D.) University of Manchester, 1973.

The Physical Object
FormatMicrofilm
ID Numbers
Open LibraryOL13977863M

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Phase inversion and droplet size measurements in agitated liquid-liquid systems Author: Fakhr-Din, S. M. ISNI: Awarding Body: UMIST Current Institution: University of Manchester Date of Award: Availability of Full Text. Kiyanoosh Razzaghi, Farhad Shahraki, On the effect of phase fraction on drop size distribution of liquid–liquid dispersions in agitated vessels, Chemical Engineering Research and Design, /, 88, 7, (), ().Cited by: The drop size distributions resulting from the agitation of immiscible liquids were measured over a wide range of parameters. The average drop size is correlated by $\overline D _{32}/L$ = N We −The distribution function for volume fraction is normal and depends only upon $\overline D _{32}$.Cited by: Investigation of Phase Inversion of Liquid-Liquid Dispersions in Agitated Vessels Article in Tsinghua Science & Technology 11(2) April with 32 Reads How we measure 'reads'.

We have investigated the impact of partially wetting particles of tens of micrometers on inversion instability of agitated liquid–liquid dispersions. Particles of this size can be easily separated from the exit streams to avoid downstream processing-related issues. The results show that the presence of hydrophilic particles in small quantities (volume fraction range of 2 × 10–4 to Key Words: Liquid Liquid Dispersion, Mixing Vessel, Drop Size, Breakup, Coalescence, Energy Dissipation Rate, Weber Number, Power Number Whentwo immiscible liquids are agitated, a dispersion is formed in which continuous breakup and coalescence of drops occur, and a dynamicequilibrium is attained betweenbreakupand coalescence after a certain time.   Drop size measurements in liquid–liquid dispersions in agitated vessels have been carried out for decades. Many correlations have been postulated for the relationship between the Sauter mean diameter (d 32) and the physical properties of the fluids, e.g. dispersed phase fraction, viscosity, density and interfacial tension. B.W. Brooks and H.N. Richmond, Phase inversion in non-ionic surfactant—oil—water systems—II. Drop size studies in catastrophic inversion with turbulent mixing, Chemical Engineering Science, 49, 7, .

Phase inversion in non-ionic surfactant—oil—water systems—I. The effect of transitional inversion on emulsion drop sizes. Dynamic behaviour of the average drop size and dispersed phase hold-up. Chemical Engineering L.L. Tavlarides. The effect of continuous-phase viscosity on the unsteady state behavior of liquid—liquid agitated.   Focused beam reflectance measurement was used to identify the phase inversion, and particle video microscope (PVM) was employed to measure the DSD of IL-continuous dispersions. The effects of agitation speed and dispersed phase holdup on the DSD and mean droplet size were investigated. Phase inversion was found at a heptane hold-up of just. In agitated systems, the phase inversion (PI) phenomenon-the mechanism by which a dispersed phase becomes the continuous one-has been studied extensively in . Drop Size Distributions and Average Drop Sizes Drop Size in Liquid–Liquid Two-Phase Systems – Theory Maximum Stable Drop Size in Laminar Flow Maximum Stable Drop Size in Turbulent Flow Characterization of Flow in Rotor–Stator Mixers Shear Stress Average Energy.