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Segregation and periodic mixing in a fluidized bidisperse suspension
2011
New Journal of Physics
We address the issue of segregation in bidisperse suspensions of glass beads, by using a liquid fluidized bed in the inertialess regime and an acoustic technique for acquiring the axial composition along the column. Fluidization balances the buoyancy of the particles by a constant uniform upward flow, and therefore enables long-time experiments. From the analysis of the transient segregation fronts, we have collected precise measurements on the sedimentation velocities of small and large beads,
doi:10.1088/1367-2630/13/7/075005
fatcat:ohbpmi5vhjbsla3fml3qb3d4p4