MIXING OF TWO MISCIBLE HIGHLY VISCOUS NEWTONIAN LIQUIDS IN A HELICAL RIBBON AGITATOR

KOJI TAKAHASHI; YASUYUKI TAKAHATA; TOSHIYUKI YOKOTA; HIROTAKA KONNO

doi:10.1252/jcej.18.159

KOJI TAKAHASHI, YASUYUKI TAKAHATA, TOSHIYUKI YOKOTA, HIROTAKA KONNO

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Keywords: Agitation, Mixing, Newtonian Liquid, Helical Ribbon Agitator, Highly Viscous Liquid, Mixing Pattern

JOURNAL FREE ACCESS

1985 Volume 18 Issue 2 Pages 159-162

DOI https://doi.org/10.1252/jcej.18.159

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Abstract

In a helical ribbon agitator, mixing patterns and mixing times for two miscible, highly viscous Newtonian liquids with different viscosities are investigated. From the observed mixing patterns, empirical correlations for mixing time are obtained as functions of the Reynolds number and a dimensionless number defined by the ratio of gravitational to viscous force. The optimum operational conditions for the mixing process are predicted from these correlations.

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