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Separation and turbulence control in biomimetic flows. (English) Zbl 1113.76484

Summary: The study of the flow around live marine animals and robotic mechanisms which emulate fish motion has revealed a number of mechanisms of flow control, optimised through evolution to minimize the energy required for steady and unsteady motion underwater. We outline some of the mechanisms used to (a) eliminate separation, (b) reduce turbulence, and (c) extract energy from oncoming vortical flows.

MSC:

76Z99 Biological fluid mechanics
76F70 Control of turbulent flows
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