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Subsurface Mooring Stability in the Presence of Vertical Shear

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Observations in the Florida Current reveal significant vertical shear that can occur on the scale of turbine rotors and that can reverse. Because ocean current turbines in the Florida Current will require anchored moorings, the dynamics of the moored systems in the presence of shear become a factor in design and operation. Here, a simple stability analysis shows that the case of negative shear (slow current near the surface) is dynamically unstable for moored turbine systems.

Keywords: marine renewable energy; ocean current turbine; vertical shear instability

Document Type: Technical Note


Publication date: 2013-07-01

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  • The Marine Technology Society Journal is the flagship publication of the Marine Technology Society. It publishes the highest caliber, peer-reviewed papers on subjects of interest to the society: marine technology, ocean science, marine policy and education. The Journal is dedicated to publishing timely special issues on emerging ocean community concerns while also showcasing general interest and student-authored works.
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