An assessment of using variable blade pitch for moored ocean current turbine flight control

VanZwieten, James H.; Pyakurel, Parakram; Ngo, Tri; Sultan, Cornel; Xiros, Nikolaos I.

doi:10.1016/j.ijome.2016.01.002

An assessment of using variable blade pitch for moored ocean current turbine flight control

Journal Article · Wed Jan 20 23:00:00 EST 2016 · International Journal of Marine Energy

DOI:https://doi.org/10.1016/j.ijome.2016.01.002· OSTI ID:1986594

VanZwieten, James H. ^[1]; Pyakurel, Parakram ^[2]; Ngo, Tri ^[3]; Sultan, Cornel ^[3]; Xiros, Nikolaos I. ^[4]

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:: USDOE; National Science Foundation (NSF)

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

References (11)

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An assessment of using variable blade pitch for moored ocean current turbine flight control

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