Tunable fall velocity of a dense ball in oscillatory cross-sheared concentrated suspensions
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Local determination of the constitutive law of a dense suspension of noncolloidal particles through magnetic resonance imaging
We investigate the flowing behavior of dense suspensions of non-colloidal particles, by coupling macroscopic rheometric experiments and local velocity and concentration measurements through MRI techniques. We find that the flow is localized at low velocities, and that the material is inhomogeneous; the local laws inferred from macroscopic rheometric observations must then be reinterpreted in th...
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تاریخ انتشار 2017