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Margination regimes and drainage transition in confined multicomponent suspensions

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arxiv 1504.03736 v1 pith:MGOBZNX3 submitted 2015-04-14 cond-mat.soft physics.flu-dyn

classification cond-mat.softphysics.flu-dyn
keywords transitionconfineddrainageflowmarginationmulticomponentregimessegregation
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A mechanistic theory is developed to describe segregation in confined multicomponent suspensions such as blood. It incorporates the two key phenomena arising in these systems at low Reynolds number: hydrodynamic pair collisions and wall-induced migration. In simple shear flow, several regimes of segregation arise, depending on the value of a "margination parameter" M. Most importantly, there is a critical value of M below which a sharp "drainage transition" occurs: one component is completely depleted from the bulk flow to the vicinity of the walls. Direct simulations also exhibit this transition as the size or flexibility ratio of the components changes.

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Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Microcirculatory blood flow with aberrant levels of red blood cell aggregation

    physics.flu-dyn 2024-11 conditional novelty 6.0 of 10

    Simulations show that red blood cell aggregation increases wall shear stress fluctuations in microvessels, a possible mechanical cause of endothelial damage in blood disorders.

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