05-25 J.E. Avron, O. Kenneth and D.H. Oaknin

Pushmepullyou: An efficient micro-swimmer (24K, LaTeX with 2 eps figures) Jan 20, 05

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Abstract. The swimming of a pair of spherical bladders that can change their shape is elementary at small Reynolds numbers. If large strokes are allowed then the swimmer has superior efficiency to other models of artificial swimmers. The change of shape resembles the wriggling motion known as {\it metaboly} of certain protozoa.

Files: 05-25.src( 05-25.keywords , elementary.tex , swimmer-i.eps , swimmer-z.eps )