Subsurface mooring stability in the presence of vertical shear

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.

• Record URL:
  https://doi.org/10.4031/MTSJ.47.4.8
• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/oclc/1623789
• Supplemental Notes:
  • Copyright © 2013 Marine Technology Society, Inc.
• Authors:
  • Hanson, Howard P
• Publication Date: 2013-7

Language

• English

Media Info

• Media Type: Print
• Features: Figures; References;
• Pagination: pp 18-22
• Serial:
  • Marine Technology Society Journal
  • Volume: 47
  • Issue Number: 4
  • Publisher: Marine Technology Society
  • ISSN: 0025-3324
  • Serial URL: http://ingentaconnect.com/content/mts/mtsj

Subject/Index Terms

• TRT Terms: Hydraulic turbines; Hydroelectric power generation; Moored structures; Ocean currents; Renewable energy sources; Stability analysis; Vertical wind shear
• Uncontrolled Terms: Negative shear lag effects
• Geographic Terms: Florida
• Subject Areas: Design; Energy; Hydraulics and Hydrology; Marine Transportation; I15: Environment;

Filing Info

• Accession Number: 01496182
• Record Type: Publication
• Files: TRIS
• Created Date: Oct 7 2013 12:38PM