Hydrodynamic Analysis of a NREL 5 MW Monopile Wind Turbine Under the Effect of the 30 October 2020 İzmir-Samos Tsunami
Although offshore wind turbines are essential for renewable energy, their construction and design are quite complex when environmental factors are taken into account. It is quite difficult to examine their behavior under rare but dangerous natural events such as tsunamis, which bring great danger to...
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MDPI AG
2025-04-01
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| author | Barış Namlı Cihan Bayındır Fatih Ozaydin |
| author_facet | Barış Namlı Cihan Bayındır Fatih Ozaydin |
| author_sort | Barış Namlı |
| collection | DOAJ |
| description | Although offshore wind turbines are essential for renewable energy, their construction and design are quite complex when environmental factors are taken into account. It is quite difficult to examine their behavior under rare but dangerous natural events such as tsunamis, which bring great danger to their structural safety and serviceability. With this motivation, this study investigates the effects of tsunami and wind on an offshore National Renewable Energy Laboratory (NREL) 5 MW wind turbine both hydrodynamically and aerodynamically. First, the NREL 5 MW monopile offshore wind turbine model was parameterized and the aerodynamic properties of the rotor region at different wind speeds were investigated using the blade element momentum (BEM) approach. The tsunami data of the İzmir-Samos (Aegean) tsunami on 30 October 2020 were reconstructed using the data acquired from the UNESCO data portal at Bodrum station. The obtained tsunami wave elevation dataset was imported to the QBlade software to investigate the hydrodynamic and aerodynamic characteristics of the NREL 5 MW monopile offshore under the tsunami effect. It was observed that the hydrodynamics significantly changed as a result of the tsunami effect. The total Morison wave force and the hydrodynamic inertia forces significantly changed due to the tsunami–monopile interaction, showing similar cyclic behavior with amplified forces. An increase in the horizontal force levels to values greater than twofold of the pre-event can be observed due to the İzmir-Samos tsunami with a waveheight of 7 cm at the Bodrum station. However, no significant change was observed on the rated power time series, aerodynamics, and bending moments on the NREL 5 MW monopile offshore wind turbine due to this tsunami. |
| format | Article |
| id | doaj-art-05bca31093154d2889e3dc2c6fda1107 |
| institution | DOAJ |
| issn | 2077-1312 |
| language | English |
| publishDate | 2025-04-01 |
| publisher | MDPI AG |
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| series | Journal of Marine Science and Engineering |
| spelling | doaj-art-05bca31093154d2889e3dc2c6fda11072025-08-20T03:14:36ZengMDPI AGJournal of Marine Science and Engineering2077-13122025-04-0113585710.3390/jmse13050857Hydrodynamic Analysis of a NREL 5 MW Monopile Wind Turbine Under the Effect of the 30 October 2020 İzmir-Samos TsunamiBarış Namlı0Cihan Bayındır1Fatih Ozaydin2Engineering Faculty, İstanbul Technical University, Sarıyer, İstanbul 34469, TürkiyeEngineering Faculty, İstanbul Technical University, Sarıyer, İstanbul 34469, TürkiyeInstitute for International Strategy, Tokyo International University, 4-42-31 Higashi-Ikebukuro, Toshima-ku, Tokyo 170-0013, JapanAlthough offshore wind turbines are essential for renewable energy, their construction and design are quite complex when environmental factors are taken into account. It is quite difficult to examine their behavior under rare but dangerous natural events such as tsunamis, which bring great danger to their structural safety and serviceability. With this motivation, this study investigates the effects of tsunami and wind on an offshore National Renewable Energy Laboratory (NREL) 5 MW wind turbine both hydrodynamically and aerodynamically. First, the NREL 5 MW monopile offshore wind turbine model was parameterized and the aerodynamic properties of the rotor region at different wind speeds were investigated using the blade element momentum (BEM) approach. The tsunami data of the İzmir-Samos (Aegean) tsunami on 30 October 2020 were reconstructed using the data acquired from the UNESCO data portal at Bodrum station. The obtained tsunami wave elevation dataset was imported to the QBlade software to investigate the hydrodynamic and aerodynamic characteristics of the NREL 5 MW monopile offshore under the tsunami effect. It was observed that the hydrodynamics significantly changed as a result of the tsunami effect. The total Morison wave force and the hydrodynamic inertia forces significantly changed due to the tsunami–monopile interaction, showing similar cyclic behavior with amplified forces. An increase in the horizontal force levels to values greater than twofold of the pre-event can be observed due to the İzmir-Samos tsunami with a waveheight of 7 cm at the Bodrum station. However, no significant change was observed on the rated power time series, aerodynamics, and bending moments on the NREL 5 MW monopile offshore wind turbine due to this tsunami.https://www.mdpi.com/2077-1312/13/5/857NREL 5 MW monopile offshore wind turbineQBladeblade element momentum (BEM) theory30 October 2020 İzmir-Samos (Aegean) tsunami |
| spellingShingle | Barış Namlı Cihan Bayındır Fatih Ozaydin Hydrodynamic Analysis of a NREL 5 MW Monopile Wind Turbine Under the Effect of the 30 October 2020 İzmir-Samos Tsunami Journal of Marine Science and Engineering NREL 5 MW monopile offshore wind turbine QBlade blade element momentum (BEM) theory 30 October 2020 İzmir-Samos (Aegean) tsunami |
| title | Hydrodynamic Analysis of a NREL 5 MW Monopile Wind Turbine Under the Effect of the 30 October 2020 İzmir-Samos Tsunami |
| title_full | Hydrodynamic Analysis of a NREL 5 MW Monopile Wind Turbine Under the Effect of the 30 October 2020 İzmir-Samos Tsunami |
| title_fullStr | Hydrodynamic Analysis of a NREL 5 MW Monopile Wind Turbine Under the Effect of the 30 October 2020 İzmir-Samos Tsunami |
| title_full_unstemmed | Hydrodynamic Analysis of a NREL 5 MW Monopile Wind Turbine Under the Effect of the 30 October 2020 İzmir-Samos Tsunami |
| title_short | Hydrodynamic Analysis of a NREL 5 MW Monopile Wind Turbine Under the Effect of the 30 October 2020 İzmir-Samos Tsunami |
| title_sort | hydrodynamic analysis of a nrel 5 mw monopile wind turbine under the effect of the 30 october 2020 izmir samos tsunami |
| topic | NREL 5 MW monopile offshore wind turbine QBlade blade element momentum (BEM) theory 30 October 2020 İzmir-Samos (Aegean) tsunami |
| url | https://www.mdpi.com/2077-1312/13/5/857 |
| work_keys_str_mv | AT barısnamlı hydrodynamicanalysisofanrel5mwmonopilewindturbineundertheeffectofthe30october2020izmirsamostsunami AT cihanbayındır hydrodynamicanalysisofanrel5mwmonopilewindturbineundertheeffectofthe30october2020izmirsamostsunami AT fatihozaydin hydrodynamicanalysisofanrel5mwmonopilewindturbineundertheeffectofthe30october2020izmirsamostsunami |