Hydrodynamic irreversibility of non-Brownian suspensions in highly confined duct flow
John T. Antolik,
Amanda Howard,
Fernando Vereda
et al.
Abstract:The irreversible behaviour of a highly confined non-Brownian suspension of spherical particles at low Reynolds number in a Newtonian fluid is studied experimentally and numerically. In the experiment, the suspension is confined in a thin rectangular channel that prevents complete particle overlap in the narrow dimension and is subjected to an oscillatory pressure-driven flow. In the small cross-sectional dimension, particles rapidly separate to the walls, whereas in the large dimension, features reminiscent of… Show more
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