An assessment of using variable blade pitch for moored ocean current turbine flight control
Journal Article
·
· International Journal of Marine Energy
- Florida Atlantic University, Boca Raton, FL (United States); Florida Atlantic University
- Florida Atlantic University, Boca Raton, FL (United States)
- Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States)
- University of New Orleans, LA (United States)
This study investigates the possibility of using active individual blade pitch control for positioning moored ocean current turbines within an array. Using a numerical simulation of a representative ocean current turbine it is shown that harmonic blade oscillations with amplitudes of 1.5° can be used to displace an ocean current turbine laterally by a distance equal to one rotor diameter, when the mooring cable length is approximately 30 times the diameter of the rotor blade. For current flow directions that would result in a downstream turbine operating in the wake of an upstream system at a distance of 10 diameters, this technique could be used to reduce the power loss of the downstream system from about 50% (caused by the reduced flow speed available in the turbine wake) to the 1.2% power loss associated with the suggested control approach.
- Research Organization:
- Florida Atlantic University, Boca Raton, FL (United States)
- Sponsoring Organization:
- National Science Foundation (NSF); USDOE
- Grant/Contract Number:
- EE0004200
- OSTI ID:
- 1986594
- Alternate ID(s):
- OSTI ID: 1341141
- Journal Information:
- International Journal of Marine Energy, Journal Name: International Journal of Marine Energy Vol. 13; ISSN 2214-1669
- Publisher:
- ElsevierCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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