Non-Newtonian viscosity of interacting Brownian particles: comparison of theory and data

M  Fuchs; M E  Cates

doi:10.1088/0953-8984/15/1/355

Non-Newtonian viscosity of interacting Brownian particles: comparison of theory and data

M Fuchs, M E Cates

School of Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

Abstract / Description of output

A recently developed first-principles approach to the non-linear rheology of dense colloidal suspensions is evaluated and its results compared to those from simulations of sheared systems close to their glass transitions. The predicted scenario of a universal transition of the structural dynamics between yielding of glasses and non-Newtonian (shear-thinning) fluid flow appears well obeyed, and calculations within simplified models rationalize the data over variations in shear rate and viscosity of up to three decades.

Original language	English
Pages (from-to)	S401-S406
Number of pages	6
Journal	Journal of Physics: Condensed Matter
Volume	15
Issue number	1
DOIs	https://doi.org/10.1088/0953-8984/15/1/355
Publication status	Published - 15 Jan 2003

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10.1088/0953-8984/15/1/355

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abstract = "A recently developed first-principles approach to the non-linear rheology of dense colloidal suspensions is evaluated and its results compared to those from simulations of sheared systems close to their glass transitions. The predicted scenario of a universal transition of the structural dynamics between yielding of glasses and non-Newtonian (shear-thinning) fluid flow appears well obeyed, and calculations within simplified models rationalize the data over variations in shear rate and viscosity of up to three decades.",

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AU - Cates, M E

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AB - A recently developed first-principles approach to the non-linear rheology of dense colloidal suspensions is evaluated and its results compared to those from simulations of sheared systems close to their glass transitions. The predicted scenario of a universal transition of the structural dynamics between yielding of glasses and non-Newtonian (shear-thinning) fluid flow appears well obeyed, and calculations within simplified models rationalize the data over variations in shear rate and viscosity of up to three decades.

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DO - 10.1088/0953-8984/15/1/355

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JO - Journal of Physics: Condensed Matter

JF - Journal of Physics: Condensed Matter

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Non-Newtonian viscosity of interacting Brownian particles: comparison of theory and data

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