Numerical evaluation of aerodynamic loads and performances of vertical-axis wind turbine rotor
Само за регистроване кориснике
2019
Конференцијски прилог (Објављена верзија)
Метаподаци
Приказ свих података о документуАпстракт
Three-dimensional, unsteady, turbulent, incompressible flow simulations of isolated vertical-axis
wind turbine (VAWT) high-solidity rotor consisting of three straight blades at seven different
operational regimes have been performed in ANSYS FLUENT by finite volume method. Aerodynamic analysis of this type of wind turbine rotors is interesting and extremely complex because the blades pass through a wide range of angles-of-attack during one revolution, and many flow instabilities as well as flow separation occur. Furthermore, the simulation of high-solidity rotors is even more difficult, due to the significant interference between the blades, or more precisely, between the wake of the advancing blade and the retracting blade. The rotational motion of the blades is solved by the unsteady Sliding Mesh (SM) approach. Flow field is modeled by Unsteady Reynolds Averaged Navier-Stokes (URANS) equations with k-ω SST turbulence model and hybrid Scale-Adaptive Simulation (SAS) used for closure.... Quantitative and qualitative examinations of the obtained numerical results are done by comparison to the available wind tunnel data. In particular, aerodynamic loads acting on a blade per revolution as well as power coefficient curves are investigated in detail and comparisons between the two turbulence models are made. Final distinguishing between the simpler and more complex approach to turbulence modeling is made by visualizations of turbulent flow structures separating from the blades throughout a cycle at both non-optimal (starting) and optimal working regimes.
Кључне речи:
VAWT / CFD / turbulence / URANS / SASИзвор:
Proceedings / The 7th International Congress of Serbian Society of Mechanics Sremski Karlovci, June 24-26, 2019, 2019, M3d-Издавач:
- Belgrade : Serbian Society of Mechanics
Финансирање / пројекти:
- Истраживање и развој савремених приступа пројектовања композитних лопатица ротора високих перформанси (RS-MESTD-Technological Development (TD or TR)-35035)
Колекције
Институција/група
Mašinski fakultetTY - CONF AU - Svorcan, Jelena AU - Baltić, Marija AU - Ivanov, Toni AU - Peković, Ognjen AU - Milić, Milica PY - 2019 UR - https://machinery.mas.bg.ac.rs/handle/123456789/4298 AB - Three-dimensional, unsteady, turbulent, incompressible flow simulations of isolated vertical-axis wind turbine (VAWT) high-solidity rotor consisting of three straight blades at seven different operational regimes have been performed in ANSYS FLUENT by finite volume method. Aerodynamic analysis of this type of wind turbine rotors is interesting and extremely complex because the blades pass through a wide range of angles-of-attack during one revolution, and many flow instabilities as well as flow separation occur. Furthermore, the simulation of high-solidity rotors is even more difficult, due to the significant interference between the blades, or more precisely, between the wake of the advancing blade and the retracting blade. The rotational motion of the blades is solved by the unsteady Sliding Mesh (SM) approach. Flow field is modeled by Unsteady Reynolds Averaged Navier-Stokes (URANS) equations with k-ω SST turbulence model and hybrid Scale-Adaptive Simulation (SAS) used for closure. Quantitative and qualitative examinations of the obtained numerical results are done by comparison to the available wind tunnel data. In particular, aerodynamic loads acting on a blade per revolution as well as power coefficient curves are investigated in detail and comparisons between the two turbulence models are made. Final distinguishing between the simpler and more complex approach to turbulence modeling is made by visualizations of turbulent flow structures separating from the blades throughout a cycle at both non-optimal (starting) and optimal working regimes. PB - Belgrade : Serbian Society of Mechanics C3 - Proceedings / The 7th International Congress of Serbian Society of Mechanics Sremski Karlovci, June 24-26, 2019 T1 - Numerical evaluation of aerodynamic loads and performances of vertical-axis wind turbine rotor SP - M3d UR - https://hdl.handle.net/21.15107/rcub_machinery_4298 ER -
@conference{ author = "Svorcan, Jelena and Baltić, Marija and Ivanov, Toni and Peković, Ognjen and Milić, Milica", year = "2019", abstract = "Three-dimensional, unsteady, turbulent, incompressible flow simulations of isolated vertical-axis wind turbine (VAWT) high-solidity rotor consisting of three straight blades at seven different operational regimes have been performed in ANSYS FLUENT by finite volume method. Aerodynamic analysis of this type of wind turbine rotors is interesting and extremely complex because the blades pass through a wide range of angles-of-attack during one revolution, and many flow instabilities as well as flow separation occur. Furthermore, the simulation of high-solidity rotors is even more difficult, due to the significant interference between the blades, or more precisely, between the wake of the advancing blade and the retracting blade. The rotational motion of the blades is solved by the unsteady Sliding Mesh (SM) approach. Flow field is modeled by Unsteady Reynolds Averaged Navier-Stokes (URANS) equations with k-ω SST turbulence model and hybrid Scale-Adaptive Simulation (SAS) used for closure. Quantitative and qualitative examinations of the obtained numerical results are done by comparison to the available wind tunnel data. In particular, aerodynamic loads acting on a blade per revolution as well as power coefficient curves are investigated in detail and comparisons between the two turbulence models are made. Final distinguishing between the simpler and more complex approach to turbulence modeling is made by visualizations of turbulent flow structures separating from the blades throughout a cycle at both non-optimal (starting) and optimal working regimes.", publisher = "Belgrade : Serbian Society of Mechanics", journal = "Proceedings / The 7th International Congress of Serbian Society of Mechanics Sremski Karlovci, June 24-26, 2019", title = "Numerical evaluation of aerodynamic loads and performances of vertical-axis wind turbine rotor", pages = "M3d", url = "https://hdl.handle.net/21.15107/rcub_machinery_4298" }
Svorcan, J., Baltić, M., Ivanov, T., Peković, O.,& Milić, M.. (2019). Numerical evaluation of aerodynamic loads and performances of vertical-axis wind turbine rotor. in Proceedings / The 7th International Congress of Serbian Society of Mechanics Sremski Karlovci, June 24-26, 2019 Belgrade : Serbian Society of Mechanics., M3d. https://hdl.handle.net/21.15107/rcub_machinery_4298
Svorcan J, Baltić M, Ivanov T, Peković O, Milić M. Numerical evaluation of aerodynamic loads and performances of vertical-axis wind turbine rotor. in Proceedings / The 7th International Congress of Serbian Society of Mechanics Sremski Karlovci, June 24-26, 2019. 2019;:M3d. https://hdl.handle.net/21.15107/rcub_machinery_4298 .
Svorcan, Jelena, Baltić, Marija, Ivanov, Toni, Peković, Ognjen, Milić, Milica, "Numerical evaluation of aerodynamic loads and performances of vertical-axis wind turbine rotor" in Proceedings / The 7th International Congress of Serbian Society of Mechanics Sremski Karlovci, June 24-26, 2019 (2019):M3d, https://hdl.handle.net/21.15107/rcub_machinery_4298 .