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Proceedings Papers

Parametric Design of Radial Guide Vanes for Power Augmentation of Darrieus-Type Vertical-Axis Wind Turbines

Pier Francesco Melani, Francesco Balduzzi, Giovanni Ferrara, Alessandro Bianchini, Roberto Bissanti, Palmiro Bissanti
Proc. ASME. GT2022, Volume 11: Wind Energy, V011T38A020, June 13–17, 2022
Paper No: GT2022-82867
DOI: https://doi.org/10.1115/GT2022-82867
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Topics: Guide vanes, Parametric design, Vertical axis wind turbines, Flow (Dynamics), Simulation, Blades, Design, Engineering simulation, Rotors, Turbines
Proceedings Papers

Flow Modal Decomposition of a Vertical-Axis Wind Turbine With the Moving Boundaries of Rotating Blades

Tian Tian, Chong Sun, Xiaocheng Zhu, Zhaohui Du
Proc. ASME. GT2022, Volume 11: Wind Energy, V011T38A012, June 13–17, 2022
Paper No: GT2022-82207
DOI: https://doi.org/10.1115/GT2022-82207
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Topics: Flow (Dynamics), Rotating blades, Vertical axis wind turbines
Proceedings Papers

Numerical Study on the Performance of Hybrid Darrieus-Savonius Vertical Axis Wind Turbines Having Twisted Blades

Ahmed S. Saad, Mahmoud Ahmed
Proc. ASME. GT2022, Volume 11: Wind Energy, V011T38A002, June 13–17, 2022
Paper No: GT2022-80201
DOI: https://doi.org/10.1115/GT2022-80201
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Topics: Blades, Design, Savonius wind turbines, Turbines, Vertical axis wind turbines
Proceedings Papers

Effect of Twist Angle on the Performance of Darrieus Vertical Axis Wind Turbines

Ahmed S. Saad, Mahmoud Ahmed
Proc. ASME. GT2022, Volume 11: Wind Energy, V011T38A001, June 13–17, 2022
Paper No: GT2022-80198
DOI: https://doi.org/10.1115/GT2022-80198
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Topics: Blades, Computer simulation, Cycles, Design, Flow (Dynamics), Fluctuations (Physics), Navier-Stokes equations, Oscillations, Rotation, Rotors
Proceedings Papers

Powering Telecommunication Towers Using Vertical Axis Wind Turbines: A Feasibility Study in Saudi Arabia

Zakria Toor, Haitham M. Bahaidarah, Shafiqur Rehman
Proc. ASME. GT2022, Volume 11: Wind Energy, V011T38A019, June 13–17, 2022
Paper No: GT2022-82770
DOI: https://doi.org/10.1115/GT2022-82770
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Topics: Telecommunications, Vertical axis wind turbines
Proceedings Papers

A Robust Procedure to Implement Dynamic Stall Models Into Actuator Line Methods for the Simulation of Vertical-Axis Wind Turbines

Pier Francesco Melani, Francesco Balduzzi, Alessandro Bianchini
Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T40A001, June 7–11, 2021
Paper No: GT2021-59102
DOI: https://doi.org/10.1115/GT2021-59102
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Topics: Actuators, Simulation, Vertical axis wind turbines, Flow (Dynamics), Blades, Computational fluid dynamics, Signals, Turbines, Filtration, Inflow
Proceedings Papers

Performance of Darrieus Wind Turbine Using Slotted Blades With Gurney Flap

Ahmed M. R. Elbaz, Ahmed A. Ibrahim, Omar S. Mohamed, Ahmed K. Etman
Proc. ASME. GT2020, Volume 12: Wind Energy, V012T42A007, September 21–25, 2020
Paper No: GT2020-15239
DOI: https://doi.org/10.1115/GT2020-15239
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Topics: Blades, Computational fluid dynamics, Vertical axis wind turbines, Wind turbines, Turbines, Airfoils, Torque, Cities, Computer software, Degrees of freedom
Proceedings Papers

Combined Numerical and Experimental Study on the Use of Gurney Flaps for the Performance Enhancement of NACA0021 Airfoil in Static and Dynamic Conditions

Francesco Balduzzi, David Holst, Pier Francesco Melani, Felix Wegner, Christian Navid Nayeri, Giovanni Ferrara, Christian Oliver Paschereit, Alessandro Bianchini
Proc. ASME. GT2020, Volume 12: Wind Energy, V012T42A006, September 21–25, 2020
Paper No: GT2020-15196
DOI: https://doi.org/10.1115/GT2020-15196
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Topics: Airfoils, Reynolds number, Chords (Trusses), Wind energy, Blades, Computational fluid dynamics, Computer simulation, Construction, Cycles, Design
Proceedings Papers

Static and Dynamic Analysis of a NACA 0021 Airfoil Section at Low Reynolds Numbers: Drag and Moment Coefficients

David Holst, Francesco Balduzzi, Alessandro Bianchini, Christian Navid Nayeri, Christian Oliver Paschereit, Giovanni Ferrara
Proc. ASME. GT2019, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T48A002, June 17–21, 2019
Paper No: GT2019-90500
DOI: https://doi.org/10.1115/GT2019-90500
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Topics: Airfoils, Drag (Fluid dynamics), Dynamic analysis, Reynolds number, Vertical axis wind turbines, Tunnels, Wind tunnels, Aviation, Blades, Computational fluid dynamics
Proceedings Papers

Development and Validation of a Hybrid Simulation Model for Darrieus Vertical-Axis Wind Turbines

Alessandro Bianchini, Francesco Balduzzi, Leopold Haack, Simone Bigalli, Bernhard Müller, Giovanni Ferrara
Proc. ASME. GT2019, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T48A009, June 17–21, 2019
Paper No: GT2019-91218
DOI: https://doi.org/10.1115/GT2019-91218
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Topics: Simulation models, Vertical axis wind turbines, Turbines, Airfoils, Blades, Computational fluid dynamics, Rotors, Actuators, Chords (Trusses), Design
Proceedings Papers

Development of a CFD Methodology to Reproduce the Effects of Macro Turbulence on Wind Turbines and its Application to the Particular Case of a VAWT

Francesco Balduzzi, Marco Zini, Giovanni Ferrara, Alessandro Bianchini
Proc. ASME. GT2019, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T48A004, June 17–21, 2019
Paper No: GT2019-90889
DOI: https://doi.org/10.1115/GT2019-90889
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Topics: Computational fluid dynamics, Turbulence, Vertical axis wind turbines, Wind turbines, Reynolds-averaged Navier–Stokes equations, Wind tunnels, Databases, Engineering simulation, Simulation, Turbines
Proceedings Papers

CFD Investigation of the Multiple Rotors Darrieus Type Turbine Performance

Omar Sherif Mohamed, Ahmed Ibrahim, Ahmed M. R. El Baz
Proc. ASME. GT2019, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T48A010, June 17–21, 2019
Paper No: GT2019-91491
DOI: https://doi.org/10.1115/GT2019-91491
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Topics: Computational fluid dynamics, Rotors, Turbines, Vertical axis wind turbines
Proceedings Papers

Benchmark of a Novel Aero-Elastic Simulation Code for Small Scale VAWT Analysis

David Marten, Matthew Lennie, George Pechlivanoglou, Christian Oliver Paschereit, Alessandro Bianchini, Giovanni Ferrara, Lorenzo Ferrari
Proc. ASME. GT2018, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T48A006, June 11–15, 2018
Paper No: GT2018-75922
DOI: https://doi.org/10.1115/GT2018-75922
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Topics: Simulation, Vertical axis wind turbines, Turbines, Rotors, Horizontal axis wind turbines, Boundary element methods, Design, Finite element analysis, Numerical analysis, Physics
Proceedings Papers

Static and Dynamic Analysis of a NACA 0021 Airfoil Section at Low Reynolds Numbers Based on Experiments and CFD

Francesco Balduzzi, Alessandro Bianchini, Giovanni Ferrara, David Holst, Benjamin Church, Felix Wegner, George Pechlivanoglou, Christian Navid Nayeri, Christian Oliver Paschereit, Lorenzo Ferrari
Proc. ASME. GT2018, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T48A004, June 11–15, 2018
Paper No: GT2018-75426
DOI: https://doi.org/10.1115/GT2018-75426
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Topics: Airfoils, Computational fluid dynamics, Dynamic analysis, Reynolds number, Vertical axis wind turbines, Design, Flow (Dynamics), Pressure, Wind tunnels, Aviation
Proceedings Papers

A Critical Analysis on Low-Order Simulation Models for Darrieus VAWTs: How Much Do They Pertain to the Real Flow?

Alessandro Bianchini, Francesco Balduzzi, Giovanni Ferrara, Giacomo Persico, Vincenzo Dossena, Lorenzo Ferrari
Proc. ASME. GT2018, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T48A013, June 11–15, 2018
Paper No: GT2018-76623
DOI: https://doi.org/10.1115/GT2018-76623
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Topics: Flow (Dynamics), Simulation models, Vertical axis wind turbines, Computational fluid dynamics, Boundary element methods, Airfoils, Rotors, Turbines, Approximation, Blades
Proceedings Papers

Advanced Medium-Order Modelling for the Prediction of the Three-Dimensional Wake Shed by a Vertical Axis Wind Turbine

Joseph Saverin, David Marten, George Pechlivanoglou, Christian Oliver Paschereit, Giacomo Persico, Vincenzo Dossena
Proc. ASME. GT2018, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T48A012, June 11–15, 2018
Paper No: GT2018-76575
DOI: https://doi.org/10.1115/GT2018-76575
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Topics: Modeling, Vertical axis wind turbines, Wakes, Particulate matter, Vortices, Computer software, Optimization, Simulation, Turbine blades, Turbines
Proceedings Papers

Experimental Analysis of a NACA 0021 Airfoil Under Dynamic Angle of Attack Variation and Low Reynolds Numbers

D. Holst, B. Church, F. Wegner, G. Pechlivanoglou, C. N. Nayeri, C. O. Paschereit
Proc. ASME. GT2018, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T48A010, June 11–15, 2018
Paper No: GT2018-76514
DOI: https://doi.org/10.1115/GT2018-76514
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Topics: Airfoils, Experimental analysis, Reynolds number, Pressure, Design, Flow (Dynamics), Vertical axis wind turbines, Wind turbines, Blades, Calibration
Proceedings Papers

Experimental Analysis of a NACA 0021 Airfoil Section Through 180-Degree Angle of Attack at Low Reynolds Numbers for Use in Wind Turbine Analysis

D. Holst, B. Church, G. Pechlivanoglou, E. Tüzüner, J. Saverin, C. N. Nayeri, C. O. Paschereit
Proc. ASME. GT2017, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T49A006, June 26–30, 2017
Paper No: GT2017-63643
DOI: https://doi.org/10.1115/GT2017-63643
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Topics: Airfoils, Experimental analysis, Reynolds number, Wind turbines, Pressure, Vertical axis wind turbines, Form drag, Machinery, Symmetry (Physics), Wind tunnels
Proceedings Papers

Comparison of Experimental and Numerically Predicted Three-Dimensional Wake Behaviour of a Vertical Axis Wind Turbine

Joseph Saverin, David Marten, David Holst, George Pechlivanoglou, Christian Oliver Paschereit, Giacomo Persico, Vincenzo Dossena
Proc. ASME. GT2017, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T49A009, June 26–30, 2017
Paper No: GT2017-64004
DOI: https://doi.org/10.1115/GT2017-64004
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Topics: Vertical axis wind turbines, Wakes, Rotors, Vortices, Wind turbines, Aerodynamics, Airfoils, Blades, Computer software, Design
Proceedings Papers

Detailed Analysis of the Wake Structure of a Straight-Blade H-Darrieus Wind Turbine by Means of Wind Tunnel Experiments and CFD Simulations

Alessandro Bianchini, Francesco Balduzzi, Giovanni Ferrara, Lorenzo Ferrari, Giacomo Persico, Vincenzo Dossena, Lorenzo Battisti
Proc. ASME. GT2017, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T49A018, June 26–30, 2017
Paper No: GT2017-64733
DOI: https://doi.org/10.1115/GT2017-64733
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Topics: Blades, Computational fluid dynamics, Engineering simulation, Simulation, Wakes, Wind tunnels, Wind turbines, Turbines, Vertical axis wind turbines, Flow (Dynamics)