Flowfield measurements in the wake of a robotic lamprey.

Experiments in Fluids
Marcus HultmarkAlexander J Smits

Abstract

Experiments are reported on the hydrodynamics of a swimming robotic lamprey under conditions of steady swimming and where the thrust exceeds the drag. The motion of the robot was based on the swimming of live lampreys, which is described by an equation similar to that developed for the American eel by Tytell and Lauder (J Exp Biol 207:1825-1841, 2004). For steady swimming, the wake structure closely resembles that of the American eel, where two pairs of same sign vortices are shed each tail beat cycle, giving the wake a 2P structure. Force estimates suggest that the major part of the thrust is produced at or close to the end of the tail.

References

Apr 27, 2004·The Journal of Experimental Biology·Eric D Tytell, George V Lauder
Aug 25, 2004·The Journal of Experimental Biology·Eric D Tytell
Dec 5, 2006·The Journal of Experimental Biology·Stefan Kern, Petros Koumoutsakos
Dec 5, 2005·Journal of Fluid Mechanics·James H J Buchholz, Alexander J Smits

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Citations

Sep 12, 2009·Journal of Fluid Mechanics·Melissa A Green, Alexander J Smits
Nov 18, 2010·Integrative and Comparative Biology·Eric D TytellGeorge V Lauder
Jun 7, 2018·Integrative and Comparative Biology·Eric D TytellM Mert Ankarali
Apr 9, 2011·Bioinspiration & Biomimetics·Oscar M CuretMalcolm A MacIver
Mar 7, 2020·Biomimetics·Uchenna E OgunkaIman Borazjani
Nov 20, 2019·The Journal of Experimental Biology·Kevin T Du ClosBrad J Gemmell
Jul 6, 2016·Bioinspiration & Biomimetics·Jeanette L Lim, George V Lauder
Feb 3, 2009·The Journal of Experimental Biology·Iman Borazjani, Fotis Sotiropoulos
Feb 2, 2010·The Journal of Experimental Biology·Thelma L Williams
Jan 17, 2012·The Journal of Experimental Biology·Megan C LeftwichAlexander J Smits
Dec 17, 2009·The Journal of Experimental Biology·I Borazjani, F Sotiropoulos
Oct 22, 2008·The Journal of Experimental Biology·Anup A ShirgaonkarMalcolm A Maciver

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