EPJ Web Conf.
Volume 140, 2017Powders and Grains 2017 – 8th International Conference on Micromechanics on Granular Media
|Number of page(s)||4|
|Section||Fluids and particles|
|Published online||30 June 2017|
Kinetic theory of discontinuous shear thickening
1 Yukawa Institute for Theoretical Physics, Kyoto University, Kyoto 606-8502, Japan
2 Department of Physics, Kyoto University, Kyoto University, Kyoto 606-8502, Japan
Published online: 30 June 2017
A simple kinetic theory to exhibit a discontinuous shear thickening (DST) is proposed. The model includes a collision integral, a drag from environment and an environmental temperature Tex as well as a shear term. The viscosity of this model is proportional to for large shear rate , while it is independent of for low sheae rate. The emergence of the DST is enhanced for lower density and lower nonzero Tex.
© The Authors, published by EDP Sciences, 2017
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