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Deutsche Physikalische Gessellschaft IOP Institute of Physics

Pushmepullyou: an efficient micro-swimmer

J E Avron, O Kenneth and D H Oaknin

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The swimming of a pair of spherical bladders that change their volumes and mutual distance is superior to other models of artificial swimmers at low Reynolds numbers. The swimming resembles the wriggling motion known as metaboly of certain protozoa.


PACS

47.15.G- Low-Reynolds-number (creeping) flows

47.10.ad Navier-Stokes equations

Subjects

Fluid dynamics

Mathematical physics

Dates

Issue 1 (November 2005)

Received 2 August 2005

Published 18 November 2005



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