Author(s)

I Long & S. Liu

Abstract

Fully developed flow of suspensions in rectangular and circular conduits has been numerically simulated by using the volume-and-time averaged governing equations developed by Liu [1]. The investigated volume fractions of particles ranged from 0.1 to 0.5. The predicted velocity and concentration profiles are in good agreement with the available experimental results. 1 Introduction A number of experimental studies (e.g. Karnis et al. [2], Leighton & Acrivos [3], Koh et al. [4], Hampton [5], Lyon & Leal [6]) have illustrated that particles in initially well-mixed suspensions migrate to the low-shear-rate region in non- homogeneous shear flow fields. This migration occurs even under conditions in which inertial and colloidal forces are usually considered negligible. This phenomenon, termed shear-induced

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