Cluster size distribution and scaling for spherical particles and red blood cells in pressure-driven flows at small Reynolds number

The clustering characteristic of purely hydrodynamically interacting particles suspended in pressure-driven flow in a circular cylinder is studied using direct numerical simulation based on the solution of the lattice-Boltzmann equation. We find a universal scaling relation for the cluster size dist...

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Bibliographic Details
Published in:Physical review letters 2006-05, Vol.96 (20), p.204502-204502, Article 204502
Main Authors: Ding, E-Jiang, Aidun, Cyrus K
Format: Article
Language:English
Subjects:
Cell Aggregation
Cluster Analysis
Erythrocytes - cytology
Models, Biological
Particle Size
Viscosity
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Summary:The clustering characteristic of purely hydrodynamically interacting particles suspended in pressure-driven flow in a circular cylinder is studied using direct numerical simulation based on the solution of the lattice-Boltzmann equation. We find a universal scaling relation for the cluster size distribution in the subcritical regime for all of the cases considered in this study. This scaling relation is independent of particle shape and concentration.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.96.204502