Dynamical properties of strongly interacting Brownian particles

Toshiya Phtsuki

Physica A: Statistical Mechanics and its Applications, 1981, vol. 108, issue 2, 441-458

Abstract: A kinetic theory of the dynamic shear viscosity is developed for the concentrated systems of Brownian particles interacting with each other through strong potential forces. Starting from an N-particle diffusion equation, a formalism to calculate the shear viscosity is constructed on the basis of the superposition approximation for the three-particle distribution function at non-equilibrium states. Explicit calculations and comparisons with experimental results are made for latex suspensions. Without introducing any phenomenological or adjustable parameters, rather good agreement is achieved. The so-called secondary electroviscous effect observed in suspensions of spherical charged particles is well explained by this approach. The calculations also show the existence of the order-disorder phase transition of the systems.

Date: 1981
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:108:y:1981:i:2:p:441-458

DOI: 10.1016/0378-4371(81)90141-2

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