This work investigates the implementation of a novel, NASA-developed Fluid Harmonic Absorber (FHA) technology to mitigate platform motions and structural loads that can lead to lighter platforms, increased turbine performance, and ultimately, a lower LCOE. The novel damping strategy takes advantage of existing water ballast in the VolturnUS semi-submersible platform to achieve significant performance gains with minimal additional equipment and complexity. NREL’s FOWT software FAST is modified to include the primary features of the FHA technology. A study of the University of Maine-developed VolturnUS semi-submersible FOWT augmented with FHA technology is undertaken to quantify global performance of the system. When compared to the baseline technology, numerical simulations of a redesigned platform utilizing the FHA dampers indicate a reduction of 15.8% in hull structural material. Finally, the improvements in LCOE resulting from this mass reduction are assessed to demonstrate the advantages of NASA’s FHA technology for FOWT applications.
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ASME 2018 1st International Offshore Wind Technical Conference
November 4–7, 2018
San Francisco, California, USA
Conference Sponsors:
- Ocean, Offshore and Arctic Engineering Division
ISBN:
978-0-7918-5197-5
PROCEEDINGS PAPER
Simulation of a Floating Offshore Wind Turbine With an Integrated Response Mitigation Technology Available to Purchase
Christopher K. Allen,
Christopher K. Allen
University of Maine, Orono, ME
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Andrew J. Goupee,
Andrew J. Goupee
University of Maine, Orono, ME
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Jeffrey Lindner,
Jeffrey Lindner
LINC Research, Inc., Huntsville, AL
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Robert Berry
Robert Berry
NASA Marshall Space Flight Center, Huntsville, AL
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Christopher K. Allen
University of Maine, Orono, ME
Andrew J. Goupee
University of Maine, Orono, ME
Jeffrey Lindner
LINC Research, Inc., Huntsville, AL
Robert Berry
NASA Marshall Space Flight Center, Huntsville, AL
Paper No:
IOWTC2018-1087, V001T01A034; 9 pages
Published Online:
December 13, 2018
Citation
Allen, CK, Goupee, AJ, Lindner, J, & Berry, R. "Simulation of a Floating Offshore Wind Turbine With an Integrated Response Mitigation Technology." Proceedings of the ASME 2018 1st International Offshore Wind Technical Conference. ASME 2018 1st International Offshore Wind Technical Conference. San Francisco, California, USA. November 4–7, 2018. V001T01A034. ASME. https://doi.org/10.1115/IOWTC2018-1087
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