Wave and Wind Responses of a Very-Light FOWT with Guy-Wired-Supported Tower: Numerical and Experimental Studies
A floating offshore wind turbine (FOWT) concept with a guy-wire-supported tower was investigated to obtain motion results in waves considering its elastic model characteristics. The FOWT concept studied aims to reduce the construction costs by using a light-weight structure tensioned with guy wires...
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| Format: | Article |
| Language: | English |
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MDPI AG
2020-10-01
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| Series: | Journal of Marine Science and Engineering |
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| Online Access: | https://www.mdpi.com/2077-1312/8/11/841 |
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| author | Hideyuki Suzuki Hiroki Shiohara Anja Schnepf Hidetaka Houtani Lucas H. S. Carmo Shinichiro Hirabayashi Ken Haneda Toshiki Chujo Yasunori Nihei Edgard B. Malta Rodolfo T. Gonçalves |
| author_facet | Hideyuki Suzuki Hiroki Shiohara Anja Schnepf Hidetaka Houtani Lucas H. S. Carmo Shinichiro Hirabayashi Ken Haneda Toshiki Chujo Yasunori Nihei Edgard B. Malta Rodolfo T. Gonçalves |
| author_sort | Hideyuki Suzuki |
| collection | DOAJ |
| description | A floating offshore wind turbine (FOWT) concept with a guy-wire-supported tower was investigated to obtain motion results in waves considering its elastic model characteristics. The FOWT concept studied aims to reduce the construction costs by using a light-weight structure tensioned with guy wires and a downwind type. Wave tank experiments of an elastically similar segmented backbone model in the 1:60 scale were carried out to clarify the dynamic elastic response features of the structure. The experimental results were compared with numerical simulations obtained from NK-UTWind and WAMIT codes. The bending moment measured at the tower and pontoons had two peak values for different wave periods carried out. The short-wave period peak was due to sagging/hogging when the wavelength matched the floater length. The second peak was due to the large tower top acceleration, which caused a large bending moment at the tower base and pontoon to support the inertia force. The wind force was not significant to modify the FOWT response. The sensibility analysis in pontoons and tower rigidities confirmed the importance of the guy wires to support the inertia due to the waves and wind incidence. The new concept of a very-light FOWT with a guy-wire-supported tower may be an option for future FOWT developments. |
| first_indexed | 2024-03-10T15:20:38Z |
| format | Article |
| id | doaj.art-4ada40676ae543f2a69c1143da311eda |
| institution | Directory Open Access Journal |
| issn | 2077-1312 |
| language | English |
| last_indexed | 2024-03-10T15:20:38Z |
| publishDate | 2020-10-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Journal of Marine Science and Engineering |
| spelling | doaj.art-4ada40676ae543f2a69c1143da311eda2023-11-20T18:31:44ZengMDPI AGJournal of Marine Science and Engineering2077-13122020-10-0181184110.3390/jmse8110841Wave and Wind Responses of a Very-Light FOWT with Guy-Wired-Supported Tower: Numerical and Experimental StudiesHideyuki Suzuki0Hiroki Shiohara1Anja Schnepf2Hidetaka Houtani3Lucas H. S. Carmo4Shinichiro Hirabayashi5Ken Haneda6Toshiki Chujo7Yasunori Nihei8Edgard B. Malta9Rodolfo T. Gonçalves10OSPL—Ocean Space Planning Laboratory, Dept. of Systems Innovation, The University of Tokyo, Tokyo 106-0032, JapanOSPL—Ocean Space Planning Laboratory, Dept. of Systems Innovation, The University of Tokyo, Tokyo 106-0032, JapanFluid Mechanics and Energetics Dept., Ecole Centrale de Nantes, 44300 Nantes, FranceOSPL—Ocean Space Planning Laboratory, Dept. of Systems Innovation, The University of Tokyo, Tokyo 106-0032, JapanTPN—Numerical Offshore Tank Laboratory, Dept. of Naval Architecture and Ocean Engineering, University of São Paulo, São Paulo 05508-030, BrazilOSPL—Ocean Space Planning Laboratory, Dept. of Ocean Technology, Policy, and Environment, The University of Tokyo, Chiba 277-0882, JapanAdvanced Offshore Technology Dept., NMRI—National Maritime Research Institute, Tokyo 181-0004, JapanAdvanced Offshore Technology Dept., NMRI—National Maritime Research Institute, Tokyo 181-0004, JapanMarine Hydrodynamics Laboratory, Dept. of Aerospace and Marine System Engineering, Osaka Prefecture University, Osaka 599-8531, JapanTechnomar Engenharia Oceânica, São Paulo 05419-905, BrazilOSPL—Ocean Space Planning Laboratory, Dept. of Systems Innovation, The University of Tokyo, Tokyo 106-0032, JapanA floating offshore wind turbine (FOWT) concept with a guy-wire-supported tower was investigated to obtain motion results in waves considering its elastic model characteristics. The FOWT concept studied aims to reduce the construction costs by using a light-weight structure tensioned with guy wires and a downwind type. Wave tank experiments of an elastically similar segmented backbone model in the 1:60 scale were carried out to clarify the dynamic elastic response features of the structure. The experimental results were compared with numerical simulations obtained from NK-UTWind and WAMIT codes. The bending moment measured at the tower and pontoons had two peak values for different wave periods carried out. The short-wave period peak was due to sagging/hogging when the wavelength matched the floater length. The second peak was due to the large tower top acceleration, which caused a large bending moment at the tower base and pontoon to support the inertia force. The wind force was not significant to modify the FOWT response. The sensibility analysis in pontoons and tower rigidities confirmed the importance of the guy wires to support the inertia due to the waves and wind incidence. The new concept of a very-light FOWT with a guy-wire-supported tower may be an option for future FOWT developments.https://www.mdpi.com/2077-1312/8/11/841floating offshore wind turbine (FOWT)elastic characteristicsguy wireswave tests |
| spellingShingle | Hideyuki Suzuki Hiroki Shiohara Anja Schnepf Hidetaka Houtani Lucas H. S. Carmo Shinichiro Hirabayashi Ken Haneda Toshiki Chujo Yasunori Nihei Edgard B. Malta Rodolfo T. Gonçalves Wave and Wind Responses of a Very-Light FOWT with Guy-Wired-Supported Tower: Numerical and Experimental Studies Journal of Marine Science and Engineering floating offshore wind turbine (FOWT) elastic characteristics guy wires wave tests |
| title | Wave and Wind Responses of a Very-Light FOWT with Guy-Wired-Supported Tower: Numerical and Experimental Studies |
| title_full | Wave and Wind Responses of a Very-Light FOWT with Guy-Wired-Supported Tower: Numerical and Experimental Studies |
| title_fullStr | Wave and Wind Responses of a Very-Light FOWT with Guy-Wired-Supported Tower: Numerical and Experimental Studies |
| title_full_unstemmed | Wave and Wind Responses of a Very-Light FOWT with Guy-Wired-Supported Tower: Numerical and Experimental Studies |
| title_short | Wave and Wind Responses of a Very-Light FOWT with Guy-Wired-Supported Tower: Numerical and Experimental Studies |
| title_sort | wave and wind responses of a very light fowt with guy wired supported tower numerical and experimental studies |
| topic | floating offshore wind turbine (FOWT) elastic characteristics guy wires wave tests |
| url | https://www.mdpi.com/2077-1312/8/11/841 |
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