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Periodic sedimentation in a Stokesian fluid
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2006 (English)In: Physical Review E, ISSN 1539-3755, Vol. 74, no 3Article in journal (Refereed) Published
Abstract [en]

We study the sedimentation of two identical but nonspherical particles sedimenting in a Stokesian fluid. Experiments and numerical simulations reveal periodic orbits wherein the bodies mutually induce an in-phase rotational motion accompanied by periodic modulations of sedimentation speed and separation distance. We term these tumbling orbits and find that they appear over a broad range of body shapes.

Place, publisher, year, edition, pages
2006. Vol. 74, no 3
Keyword [en]
low-reynolds-number, viscous-fluid, flows, motion, spheres, simulations, suspensions, dynamics, particle, fibers
URN: urn:nbn:se:kth:diva-16015DOI: 10.1103/PhysRevE.74.035302ISI: 000240870300011OAI: diva2:334057
QC 20100525Available from: 2010-08-05 Created: 2010-08-05Bibliographically approved

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Tornberg, Anna-Karin

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