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Particle trajectories and size sorting above a rippled bed under standing water waves.

Identifieur interne : 000199 ( PubMed/Corpus ); précédent : 000198; suivant : 000200

Particle trajectories and size sorting above a rippled bed under standing water waves.

Auteurs : T D Chu ; A. Jarno-Druaux ; F. Marin ; A B Ezersky

Source :

RBID : pubmed:22463199

English descriptors

Abstract

Particle trajectories and size sorting above an artificial rippled bed under standing surface waves are experimentally and theoretically studied. It is observed that fine particles may be trapped in a very thin region near the ripple crests. When the surface waves damp, fine particles concentrate on the top of ripple crests forming narrow strips, while coarse particles settle more uniformly along the rippled bed. Measurements of particle concentrations before their deposition confirm this size segregation. The present experimental results are explained with a theoretical approach.

DOI: 10.1103/PhysRevE.85.021304
PubMed: 22463199

Links to Exploration step

pubmed:22463199

Le document en format XML

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