Phys. Rev. Lett. 93, 186001 (2004) [4 pages]Optimal Swimming at Low Reynolds NumbersReceived 19 April 2004; published 28 October 2004 Efficient swimming at low Reynolds numbers is a major concern of microbots. To compare the efficiencies of different swimmers we introduce the notion of “a swimming drag coefficient” which allows for the ranking of swimmers. We find the optimal swimmer within a certain class of two-dimensional swimmers using conformal mapping techniques. © 2004 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.93.186001
DOI:
10.1103/PhysRevLett.93.186001
PACS:
83.10.–y, 45.40.Ln, 83.60.Yz
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