MHK Technologies/Vortex Induced Vibrations Aquatic Clean Energy VIVACE

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Technology Profile
Primary Organization Vortex Hydro Energy LLC
Project(s) where this technology is utilized MHK Projects/Marine Hydrodynamics Laboratory at the University of Michigan
Technology Resource
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Technology Type
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Reciprocating Device
Technology Readiness Level
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TRL 4: Proof of Concept
Technology Description The VIVACE (Vortex Induced Vibrations Aquatic Clean Energy) device is based on the extensively studied phenomenon of Vortex Induced Vibrations (VIV), which was first observed five-hundred years ago by Leonardo DaVinci in the form of 'Aeolian Tones.' VIV results from vortices forming and shedding on the downstream side of a bluff body in a current. Vortex shedding alternates from one side to the other, thereby creating a vibration or oscillation. The VIV phenomenon is non-linear, which means it can produce useful energy at high efficiency over a wide range of current speeds and directions.This converter is unlike any existing technology, as it does not use turbines, propellers, or dams. VIVACE converts the horizontal hydrokinetic energy of currents into cylinder mechanical energy. The latter is then converted to electricity through electric power generators.

Technology Dimensions
Device Testing
Date Submitted 10/8/2010

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