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The fish and the propeller
Flip, flap, flip, flap, the tail fin of the trout swishes to and fro, thrusting the fish forward in the still water. Silently it speeds away under the surface. Seemingly without effort it moves, leaving a series of wakes behind. … Continue reading
Posted in Observing Water
Tagged boat propulsion, fish locomotion, flow visualization, ink images, karman vortex street, oscillary wave motion, propeller efficiency, vortex street, water waves, wave energy
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