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Steady and rotating computational fluid dynamics simulations of a novel vertical axis wind turbine for small-scale power generation
McTavish, S.; Feszty, D.; Sankar, T. - In: Renewable Energy 41 (2012) C, pp. 171-179
conducted using a Savonius rotor and good agreement was obtained with experimental data. Steady two-dimensional CFD simulations … computational fluid dynamics (CFD) software CFdesign 2010. A validation study consisting of steady and rotating simulations was … have demonstrated that the new VAWT has similar average static torque characteristics to existing Savonius rotors. Rotating …
Persistent link: https://www.econbiz.de/10011045149
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Vortical structures in the wake of the savonius wind turbine by the discrete vortex method
Afungchui, David; Kamoun, Badreddinne; Helali, Ali - In: Renewable Energy 69 (2014) C, pp. 174-179
This paper treats the vortex shedding phenomenon of a savonius wind turbine, whose knowledge is primordial in correctly … structures in the wake of the savonius rotor whose existence has been visualised by a number of experimentalists. In the …
Persistent link: https://www.econbiz.de/10010803741
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Slotted Blades Savonius Wind Turbine Analysis by CFD
Alaimo, Andrea; Esposito, Antonio; Milazzo, Alberto; … - In: Energies 6 (2013) 12, pp. 6335-6351
In this paper a new bucket configuration for a Savonius wind generator is proposed. Numerical analyses are performed to … respect to Savonius wind turbine with overlap only. Parametric analyses are performed, for a fixed overlap ratio, by varying … the slot position; the results show that for slot positioned near the blade root, the Savonius rotor improves performances …
Persistent link: https://www.econbiz.de/10011031227
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Computational and experimental investigations of an omni-flow wind turbine
Ying, P.; Chen, Y.K.; Xu, Y.G.; Tian, Y. - In: Applied Energy 146 (2015) C, pp. 74-83
Both numerical and experimental studies were conducted to evaluate the performance of an omni-flow wind turbine designed to provide renewable electricity on the top of urban buildings like skyscrapers. The numerical approach was based on Finite Volume Method (FVM) and the turbulence flow was...
Persistent link: https://www.econbiz.de/10011263375
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Wind tunnel and numerical study of a small vertical axis wind turbine
Howell, Robert; Qin, Ning; Edwards, Jonathan; Durrani, … - In: Renewable Energy 35 (2010) 2, pp. 412-422
and two- and three-dimensional unsteady computational fluid dynamics (CFD) models were generated to help understand the …
Persistent link: https://www.econbiz.de/10010806127
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A novel small scale efficient wind turbine for power generation
Ahmed, N.A. - In: Renewable Energy 57 (2013) C, pp. 79-85
A ‘proof of concept’ study of a novel wind turbine that overcomes some of the deficiencies and combines the advantages of the conventional horizontal and vertical axis wind turbines is presented in this paper. The study conducted using computational fluid dynamics and wind tunnel tests...
Persistent link: https://www.econbiz.de/10010807153
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Microeolic turbines in the built environment: Influence of the installation site on the potential energy yield
Balduzzi, Francesco; Bianchini, Alessandro; Ferrari, Lorenzo - In: Renewable Energy 45 (2012) C, pp. 163-174
Generic proposals for an effective integration of renewable energy sources in the urban environment are frequently carried out by project developers, local governments and media, although an in-depth knowledge of the technical and energetic limitations is often missing. In particular, the...
Persistent link: https://www.econbiz.de/10010804250
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Effect of roof shape, wind direction, building height and urban configuration on the energy yield and positioning of roof mounted wind turbines
Abohela, Islam; Hamza, Neveen; Dudek, Steven - In: Renewable Energy 50 (2013) C, pp. 1106-1118
Computational Fluid Dynamics (CFD) simulations for the purpose of identifying the effect of different roof shapes on the energy …
Persistent link: https://www.econbiz.de/10010804465
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Wind turbine CFD modeling using a correlation-based transitional model
Lanzafame, R.; Mauro, S.; Messina, M. - In: Renewable Energy 52 (2013) C, pp. 31-39
This paper describes the development of a Horizontal Axis Wind Turbine 3D CFD model using the Ansys Fluent solver. The …
Persistent link: https://www.econbiz.de/10010804659
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An analysis of the transient forces acting on Savonius rotors with different aspect ratios
Jaohindy, Placide; McTavish, Sean; Garde, François; … - In: Renewable Energy 55 (2013) C, pp. 286-295
The present study deals with the analysis of the transient forces of a Savonius vertical axis wind turbine (VAWT) using … computational fluid dynamics (CFD). Unsteady, Reynolds Averaged Navier–Stokes CFD simulations were conducted using two different …
Persistent link: https://www.econbiz.de/10011045059