The shear-thinning behaviour of colloidal dispersions

J.K.G. Dhont, J.C. van der Werff and C.G. de Kruif

Physica A: Statistical Mechanics and its Applications, 1989, vol. 160, issue 2, 195-204

Abstract: Experimentally it is found that the viscosity varies linearly with the square root of the shear rate over a wide range of shear rates. In this paper we explain the origin of this phenomenon. It is suggested that this non-Newtonian behaviour is due to the non-analytic behaviour of the deformation of the structure factor in shear flow. The structure factor shows boundary-layer behaviour at zero wave-vector; the width of the boundary layer varies as the square root of the shear rate.

Date: 1989
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:160:y:1989:i:2:p:195-204

DOI: 10.1016/0378-4371(89)90416-0

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