Flocculation of Flexible Fibers in Confining Geometries
The flocculation behavior of nylon fiber suspensions in the shear flow between parallel plates is investigated. We find that be decreasing the gap between plates to less than a fiber length, flocculation can be induced in suspensions that otherwise remain homogeneous. Further, we show that rheological measurements can be used to indicate the presence of flocs in suspension. Finally, we propose that this phenomenon can be applied in a fiber fraction device, where longer fibers are selectively flocculated, leaving shorter fibers free in suspension.
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Flocculation of Flexible Fibers in Confining Geometries