Viscosity of bimodal suspensions with hard spherical particles

Jon Spangenberg; George W. Scherer; Adam B. Hopkins; Salvatore Torquato

doi:10.1063/1.4901463

Viscosity of bimodal suspensions with hard spherical particles

Jon Spangenberg, George W. Scherer, Adam B. Hopkins, Salvatore Torquato

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16 Scopus citations

Abstract

We analyze two equations for their ability to predict the viscosity of bimodal suspensions with hard spherical particles. The equations express the viscosity as a function of the particle loading and the packing (or, volume) fraction at which the viscosity diverges (viscosity threshold). The latter is found from previously published experimental studies for a variety of sphere diameter ratios and fractions of small particles in total solids. A comparison between the viscosity thresholds and the maximally random jammed packing verifies their interconnection and permits accurate viscosity prediction of bimodal suspensions.

Original language	English (US)
Article number	184902
Journal	Journal of Applied Physics
Volume	116
Issue number	18
DOIs	https://doi.org/10.1063/1.4901463
State	Published - Nov 14 2014

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1063/1.4901463

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abstract = "We analyze two equations for their ability to predict the viscosity of bimodal suspensions with hard spherical particles. The equations express the viscosity as a function of the particle loading and the packing (or, volume) fraction at which the viscosity diverges (viscosity threshold). The latter is found from previously published experimental studies for a variety of sphere diameter ratios and fractions of small particles in total solids. A comparison between the viscosity thresholds and the maximally random jammed packing verifies their interconnection and permits accurate viscosity prediction of bimodal suspensions.",

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AB - We analyze two equations for their ability to predict the viscosity of bimodal suspensions with hard spherical particles. The equations express the viscosity as a function of the particle loading and the packing (or, volume) fraction at which the viscosity diverges (viscosity threshold). The latter is found from previously published experimental studies for a variety of sphere diameter ratios and fractions of small particles in total solids. A comparison between the viscosity thresholds and the maximally random jammed packing verifies their interconnection and permits accurate viscosity prediction of bimodal suspensions.

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Viscosity of bimodal suspensions with hard spherical particles

Abstract

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