Grand Renewable Energy proceedings
Online ISSN : 2434-0871
Japan council for Renewable Energy(2018)
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EXPERIMENTAL STUDY ON NEW SPAR DESIGN FOR FLOATING OFFSHORE WIND TURBINE
*Shigesuke IshidaYasutaka ImaiYuri Kusaba
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Pages 162-

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Abstract
Spar is one of the promising floating structures which supports wind turbine. In general, some lower part of spar is used as a ballast tank. It is possible to replace this part with non-watertight structure because this part has no statical contribution. A new spar with vertical damping plates was proposed. The authors made the models of this spar, a classic spar and a spar with heave plates (similar to truss spar), with the same stability. The motions were compared in regular waves. It was found that the spar with vertical plates is promising because pitching motion and nacelle acceleration reduced.
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© 2018 Japan Council for Renewable Energy (JCRE)
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