Fukushima Floating Offshore Wind Farm Demonstration Project

Technical report

1. Observation system

A. Yamaguchi, T. Ishihara: Numerical prediction of Normal and Extreme Waves at Fukushima Offshore Site, Journal of Physics: Conference Series 1037 (4), 042022, 2018 See more
A. Yamaguchi, S. Taki:, T. Ishihara, Metocean measurement at Fukushima offshore site, Grand Renewable Energy 2018, 2018 See more
A. Yamaguchi, T. Ishihara: A new motion compensation algorithm of floating lidar system for the assessment of turbulence intensity, Journal of Physics: Conference Series 753(7), 2016 See more
T. Ishihara, J. Tanemoto, A. Yamaguchi: Numerical Prediction of Normal and Extreme Sea Current at Fukushima Offshore Site. Journal of Wind Energy, JWEA, Vol.40, No. 3, pp.35-42,2016.(in Japanese) See more
T. Ishihara, K. Shimada, A. Imakita:Metocean design condition for "FUKUSHIMA FORWARD" project, Grand Renewable Energy 2014, 2014 See more

2. Substation

S.Zhang, T.Ishihara: Numerical study of hydrodynamic coefficients of multiple heave plates by large eddy simulations with volume of fluid method, Ocean Engineering, Vol.163, pp.583-598, 2018 Link to
S. Zhang, T. Ishihara: Numerical study of distributed hydrodynamic forces on circular heave plates by large eddy simulations, Grand Renewable Energy 2018, 2018 See more
H. Yoshimoto, H. Yoshida, K. Kamizawa: Validation of Applicability of Low Frequency Motion Analysis Theory Using Observation Data of Floating Offshore Substation, ASME 2018 37th International Conference on Ocean, 2018 Link to
R. Matsuoka, H. Yoshimoto: Verification of Precision Concerning the Design of Advanced Spar Type Structure,Conference Proceedings The Japan Society of Naval Architects and Ocean Engineers, Vol.20, 2015S-OS1-1, 2015 See more
H. Yoshimoto, Y. Awashima, Y. Kitakoji : Development and Construction of Floating Substation, Grand Renewable Energy 2014, 2014 See more
H. Yoshimoto, Y. Awashima, Y. Kitakoji, H. Suzuki: Development of floating offshore substation and wind turbine for Fukushima FORWARD, Proceedings of the International Symposium on Marine and Offshore Renewable Energy, 2013 See more

3. 2MW floating wind turbine system

J. Pan and T. Ishihara: Numerical prediction of hydrodynamic coefficients for a semi-sub platform by using large eddy simulation with volume of fluid method and Richardson extrapolation, DeepWind 2019, 2019 See more
Y. Liu and T. Ishihara: Prediction of dynamic response of a semi-submersible floating offshore wind turbine by using KC dependent hydrodynamic coefficients, DeepWind 2019, 2019 See more
T. Ishihara and S. Zhang: Prediction of dynamic response of semi-submersible floating offshore wind turbine using augmented Morison's equation with frequency dependent hydrodynamic coefficients. Renewable Energy, Vol.131, pp.1186-1207, 2019 Link to
J. Pan, T. Ishihara: Nonlinear wave effects on dynamic responses of a semisubmersible floating offshore wind turbine in the intermediate water, Journal of Physics: Conference Series, 1037 (2), 022037, 2018 See more
D. Subanapong, A. Yamaguchi, T. Ishihara: Estimation of fatigue load on floating offshore wind turbine at tower base during power production, Grand Renewable Energy,2018, 2018 See more
H. Yamaguchi., A. Imakita. : Learning from field test regarding damping of a floater motion - 2MW FOWT "Fukushima Mirai"-, Grand Renewable Energy 2018 See more
S. Zhang, T.Ishihara: Effects of multidirectional sea states and flexible foundation on dynamic response of floating offshore wind turbine system, Proc. Of First International Symposium on Flutter and its Application, pp.729-738, 2016 See more
T. Ishihara, K.Kagaya and Y. KikuchiI: Dynamic analysis of floating offshore wind turbine system considering combined hydrodynamic loadings, OFFSHORE2013, 2012 See more

4. 5MW floating wind turbine system

H. Yoshimoto, T. Natsume, J. Sugino, H. Kakuya, R. Harries, A. Alexandre,
D. McCowen: Validating Numerical Predictions of Floating Offshore Wind Turbine Structural Frequencies in Bladed using Measured Data from Fukushima Hamakaze, DeepWind2019
See more

5. 7MW floating wind turbine system

M. Komatsu, H. Kumamoto, H. Mori, M. Ohta, K. Karikomi, H. Ishii : Comparison between measured value and simulated value of motion and mooring force in Mitsubishi floating offshore wind turbine, Grand Renewable Energy 2018 See more
K. Karikomi, T.Koyanagi, M.Ohta, A.Nakamura, S.Iwasaki, Y.Hayashi, A.Honda: Wind Tunnel Testing on Negative-damped Responses of a 7MW Floating Offshore Wind Turbine", EWEA Offshore 2015 See more
M. Ohta, M. Komatsu, H. Ito, H. Kumamoto: Development of a V-shaped Semi-submersible Floating Structure for 7MW offshore Turbine, World NAOE Forum 2013 & International Symposium on Marine and Offshore Renewable Energy, 2013 See more

6. Mooring chain and steel material

K. Shimada, T. Shiroeda, H. Hotta, Pham van Phuc and T. Kida : An Emprical Design Formula of a Shared Pile Anchor for a Floating Offshore Wind Turbine, Grand Renewable Energy 2018 Proceedings, June 17-22, 2018, Pacifico Yokohama, Yokohama, Japan, O-We-12-2, 2018 See more
P.V.Phuc, T. Ishihara, K. Shimada,T.Shiroeda: Dynamic tension analysis of a slack mooring for a floating offshore wind turbine, Grand Renewable Energy 2014, 2014 See more
Y. Kayamori, T. Inoue, T. Okawa, S. Nishimura, T. Ishihara: Applicability of fatigue solutions to floating wind turbine structures, International Symposium on Marine and Offshore Renewable Energy 2013(Reprint approved by the Japan Society of Naval Architects and Ocean Engineers) See more

7. Marine cable and transformer

Shigeru Fujii, Hideo Tanaka : Power transmission system for "Fukushima FORWARD Project" -- Power cable system for offshore floating type wind farm pilot plant--, Sub C in 2013 Fall ICC Meeting See more

8. Introduction of the project

T. Ishihara, A. Yamaguchi, S. Taki: The challenge to the world's first floating wind  farm, Grand Renewable Energy 2014, 2014 See more
A. Yamaguchi, T. Ishihara: Current status of research activity on floating offshore wind turbine in Japan, OFFSHORE2013, 2013 See more
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Fukushima Offshore Wind Consortium

  • Marubeni Corporation
  • The University of Tokyo
  • Mitsubishi Heavy industries, Ltd.
  • Mitsubishi Shipbuilding
  • Japan Marine United Corporation
  • Mitsui Engineering & Shipbuilding Co., Ltd.
  • Hitachi Ltd.
  • Furukawa Electric Co., Ltd.