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. Author manuscript; available in PMC: 2009 Nov 25.
Published in final edited form as: Exp Fluids. 2008 Sep 1;45(3):461–472. doi: 10.1007/s00348-008-0489-1

Fig. 12.

Fig. 12

Propulsive efficiency of the articulated fin for a phase shifts of 60°, as a function of Strouhal number. Uncertainties for St < 0.2 are estimated. These data also appear in Clark and Smits (2006)