On the characteristics of the wake of a wind turbine undergoing large motions caused by a floating structure: an insight based on experiments and multi-fidelity simulations from the OC6 project Phase III
<p>This study reports the results of the second round of analyses of the Offshore Code Comparison, Collaboration, Continued, with Correlation and unCertainty (OC6) project Phase III. While the first round investigated rotor aerodynamic loading, here, focus is given to the wake behavior of a fl...
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| Format: | Article |
| Language: | English |
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Copernicus Publications
2023-11-01
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| Series: | Wind Energy Science |
| Online Access: | https://wes.copernicus.org/articles/8/1659/2023/wes-8-1659-2023.pdf |
| _version_ | 1797632459859296256 |
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| author | S. Cioni F. Papi L. Pagamonci A. Bianchini N. Ramos-García G. Pirrung R. Corniglion A. Lovera J. Galván R. Boisard A. Fontanella P. Schito A. Zasso M. Belloli A. Sanvito G. Persico L. Zhang Y. Li Y. Zhou S. Mancini K. Boorsma R. Amaral R. Amaral A. Viré C. W. Schulz S. Netzband R. Soto-Valle D. Marten R. Martín-San-Román P. Trubat C. Molins R. Bergua E. Branlard J. Jonkman A. Robertson |
| author_facet | S. Cioni F. Papi L. Pagamonci A. Bianchini N. Ramos-García G. Pirrung R. Corniglion A. Lovera J. Galván R. Boisard A. Fontanella P. Schito A. Zasso M. Belloli A. Sanvito G. Persico L. Zhang Y. Li Y. Zhou S. Mancini K. Boorsma R. Amaral R. Amaral A. Viré C. W. Schulz S. Netzband R. Soto-Valle D. Marten R. Martín-San-Román P. Trubat C. Molins R. Bergua E. Branlard J. Jonkman A. Robertson |
| author_sort | S. Cioni |
| collection | DOAJ |
| description | <p>This study reports the results of the second round of analyses of the Offshore Code Comparison, Collaboration, Continued, with Correlation and unCertainty (OC6) project Phase III. While the first round investigated rotor aerodynamic loading, here, focus is given to the wake behavior of a floating wind turbine under large motion. Wind tunnel experimental data from the UNsteady Aerodynamics for FLOating Wind (UNAFLOW)<span id="page1660"/> project are compared with the results of simulations provided by participants with methods and codes of different levels of fidelity. The effect of platform motion on both the near and the far wake is investigated. More specifically, the behavior of tip vortices in the near wake is evaluated through multiple metrics, such as streamwise position, core radius, convection velocity, and circulation. Additionally, the onset of velocity oscillations in the far wake is analyzed because this can have a negative effect on stability and loading of downstream rotors. Results in the near wake for unsteady cases confirm that simulations and experiments tend to diverge from the expected linearized quasi-steady behavior when the rotor reduced frequency increases over 0.5. Additionally, differences across the simulations become significant, suggesting that further efforts are required to tune the currently available methodologies in order to correctly evaluate the aerodynamic response of a floating wind turbine in unsteady conditions. Regarding the far wake, it is seen that, in some conditions, numerical methods overpredict the impact of platform motion on the velocity fluctuations. Moreover, results suggest that the effect of platform motion on the far wake, differently from original expectations about a faster wake recovery in a floating wind turbine, seems to be limited or even oriented to the generation of a wake less prone to dissipation.</p> |
| first_indexed | 2024-03-11T11:38:20Z |
| format | Article |
| id | doaj.art-326f4baa5854447b8a8ee0243049911c |
| institution | Directory Open Access Journal |
| issn | 2366-7443 2366-7451 |
| language | English |
| last_indexed | 2024-03-11T11:38:20Z |
| publishDate | 2023-11-01 |
| publisher | Copernicus Publications |
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| series | Wind Energy Science |
| spelling | doaj.art-326f4baa5854447b8a8ee0243049911c2023-11-10T11:22:10ZengCopernicus PublicationsWind Energy Science2366-74432366-74512023-11-0181659169110.5194/wes-8-1659-2023On the characteristics of the wake of a wind turbine undergoing large motions caused by a floating structure: an insight based on experiments and multi-fidelity simulations from the OC6 project Phase IIIS. Cioni0F. Papi1L. Pagamonci2A. Bianchini3N. Ramos-García4G. Pirrung5R. Corniglion6A. Lovera7J. Galván8R. Boisard9A. Fontanella10P. Schito11A. Zasso12M. Belloli13A. Sanvito14G. Persico15L. Zhang16Y. Li17Y. Zhou18S. Mancini19K. Boorsma20R. Amaral21R. Amaral22A. Viré23C. W. Schulz24S. Netzband25R. Soto-Valle26D. Marten27R. Martín-San-Román28P. Trubat29C. Molins30R. Bergua31E. Branlard32J. Jonkman33A. Robertson34Department of Industrial Engineering, University of Florence, Florence, 50139, ItalyDepartment of Industrial Engineering, University of Florence, Florence, 50139, ItalyDepartment of Industrial Engineering, University of Florence, Florence, 50139, ItalyDepartment of Industrial Engineering, University of Florence, Florence, 50139, ItalyDepartment of Wind and Energy Systems, Technical University of Denmark, Lyngby, 2800, DenmarkDepartment of Wind and Energy Systems, Technical University of Denmark, Lyngby, 2800, DenmarkEDF R&D, Chatou, 78400, FranceEDF R&D, Palaiseau, 91120, FranceDepartment of Wind Energy, eureka!, Errigoiti, 48309, SpainAerodynamic Department, Office National d'Etudes et de Recherches Aérospatiales, Paris, 92190, FranceDepartment of Mechanical Engineering, Politecnico di Milano, Milan, 20156, ItalyDepartment of Mechanical Engineering, Politecnico di Milano, Milan, 20156, ItalyDepartment of Mechanical Engineering, Politecnico di Milano, Milan, 20156, ItalyDepartment of Mechanical Engineering, Politecnico di Milano, Milan, 20156, ItalyDipartimento di Energia, Laboratory of Fluid-Machines, Politecnico di Milano, Milan, 20156, ItalyDipartimento di Energia, Laboratory of Fluid-Machines, Politecnico di Milano, Milan, 20156, ItalyMulti-function Towing Tank Laboratory, State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai, 200240, ChinaMulti-function Towing Tank Laboratory, State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai, 200240, ChinaMulti-function Towing Tank Laboratory, State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai, 200240, ChinaWind Energy Department, Netherlands Organisation for Applied Scientific Research, Petten, 1755 LE, the NetherlandsWind Energy Department, Netherlands Organisation for Applied Scientific Research, Petten, 1755 LE, the NetherlandsSiemens Gamesa Renewable Energy, Saint-Étienne-du-Rouvray, 76800, FranceFaculty of Aerospace Engineering, Delft University of Technology, Delft, 2629 HS, the NetherlandsFaculty of Aerospace Engineering, Delft University of Technology, Delft, 2629 HS, the NetherlandsInstitute for Fluid Dynamics and Ship Theory, Hamburg University of Technology, Hamburg, 21073, GermanyInstitute for Fluid Dynamics and Ship Theory, Hamburg University of Technology, Hamburg, 21073, GermanyDepartment of Mechanical Engineering, Universidad de La Frontera, Temuco, 4811230, ChileChair of Fluid Dynamics, Hermann-Föttinger-Institut, Technische Universität Berlin, 10623, Berlin, GermanyWind Energy Department, Centro Nacional de Energías Renovables (CENER), Sarriguen, 31621, SpainNautical Science and Engineering Department, Universitat Politècnica de Catalunya, Barcelona, 08003, SpainDepartment of Civil and Environmental Engineering, Universitat Politècnica de Catalunya, Barcelona, 08034, SpainNational Wind Technology Center, National Renewable Energy Laboratory, Golden, CO 80401, USANational Wind Technology Center, National Renewable Energy Laboratory, Golden, CO 80401, USANational Wind Technology Center, National Renewable Energy Laboratory, Golden, CO 80401, USANational Wind Technology Center, National Renewable Energy Laboratory, Golden, CO 80401, USA<p>This study reports the results of the second round of analyses of the Offshore Code Comparison, Collaboration, Continued, with Correlation and unCertainty (OC6) project Phase III. While the first round investigated rotor aerodynamic loading, here, focus is given to the wake behavior of a floating wind turbine under large motion. Wind tunnel experimental data from the UNsteady Aerodynamics for FLOating Wind (UNAFLOW)<span id="page1660"/> project are compared with the results of simulations provided by participants with methods and codes of different levels of fidelity. The effect of platform motion on both the near and the far wake is investigated. More specifically, the behavior of tip vortices in the near wake is evaluated through multiple metrics, such as streamwise position, core radius, convection velocity, and circulation. Additionally, the onset of velocity oscillations in the far wake is analyzed because this can have a negative effect on stability and loading of downstream rotors. Results in the near wake for unsteady cases confirm that simulations and experiments tend to diverge from the expected linearized quasi-steady behavior when the rotor reduced frequency increases over 0.5. Additionally, differences across the simulations become significant, suggesting that further efforts are required to tune the currently available methodologies in order to correctly evaluate the aerodynamic response of a floating wind turbine in unsteady conditions. Regarding the far wake, it is seen that, in some conditions, numerical methods overpredict the impact of platform motion on the velocity fluctuations. Moreover, results suggest that the effect of platform motion on the far wake, differently from original expectations about a faster wake recovery in a floating wind turbine, seems to be limited or even oriented to the generation of a wake less prone to dissipation.</p>https://wes.copernicus.org/articles/8/1659/2023/wes-8-1659-2023.pdf |
| spellingShingle | S. Cioni F. Papi L. Pagamonci A. Bianchini N. Ramos-García G. Pirrung R. Corniglion A. Lovera J. Galván R. Boisard A. Fontanella P. Schito A. Zasso M. Belloli A. Sanvito G. Persico L. Zhang Y. Li Y. Zhou S. Mancini K. Boorsma R. Amaral R. Amaral A. Viré C. W. Schulz S. Netzband R. Soto-Valle D. Marten R. Martín-San-Román P. Trubat C. Molins R. Bergua E. Branlard J. Jonkman A. Robertson On the characteristics of the wake of a wind turbine undergoing large motions caused by a floating structure: an insight based on experiments and multi-fidelity simulations from the OC6 project Phase III Wind Energy Science |
| title | On the characteristics of the wake of a wind turbine undergoing large motions caused by a floating structure: an insight based on experiments and multi-fidelity simulations from the OC6 project Phase III |
| title_full | On the characteristics of the wake of a wind turbine undergoing large motions caused by a floating structure: an insight based on experiments and multi-fidelity simulations from the OC6 project Phase III |
| title_fullStr | On the characteristics of the wake of a wind turbine undergoing large motions caused by a floating structure: an insight based on experiments and multi-fidelity simulations from the OC6 project Phase III |
| title_full_unstemmed | On the characteristics of the wake of a wind turbine undergoing large motions caused by a floating structure: an insight based on experiments and multi-fidelity simulations from the OC6 project Phase III |
| title_short | On the characteristics of the wake of a wind turbine undergoing large motions caused by a floating structure: an insight based on experiments and multi-fidelity simulations from the OC6 project Phase III |
| title_sort | on the characteristics of the wake of a wind turbine undergoing large motions caused by a floating structure an insight based on experiments and multi fidelity simulations from the oc6 project phase iii |
| url | https://wes.copernicus.org/articles/8/1659/2023/wes-8-1659-2023.pdf |
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