Design, Simulation and Construction of a Savonius Wind Rotor for Subsidized Houses in Mexico

Maldonado, R. D.; Huerta, E.; Corona, J.E.; Ceh, O.; León-Castillo, A.I.; Gómez-Acosta, M.P.; Mendoza-Andrade, E.

doi:10.1016/j.egypro.2014.10.224

Cited by 15 publications

(6 citation statements)

References 6 publications

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“…Moment of inertia describes the amount of energy gained by the rotating center for rotation at a given angular velocity [6]. The angular rotation and power coefficient of the turbine relative to the wind speed are depended on the moment of inertia [23], [24]. The moment of inertia is numerated based on Equation 7.…”

Section: Model Geometry Configurationmentioning

confidence: 99%

A Rudimentary Computational Assessment of Low Tip Speed Ratio Asymmetrical Wind Turbine Blades

Ashwindran¹,

Aziz²,

Oumer³

2020

IJIE

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This paper presents a computational study of novel drag type vertical axis wind turbine inspired by three design elements from nature. The aim of this study is to analyze the aerodynamic performance of the proposed design. The design is simulated in FLUENT using SST k-ω transport model via URANS turbulent model. The model is simulated in 2D in order to save computational time. The design is simulated under the influence of freestream velocity of U∞=8m/s at multiple tip speed ratios. The proposed wind turbine is composed of drag induced novel cavity vane turbine blade for energy capturing. The proposed wind turbine generated low power coefficient, Cp = 0.029 and Cp=0.025 at λ=0.2 and λ=0.3 respectively. Tip speed ratio λ=0.4, λ=0.6 and λ=0.9 indicated high instability in moment generation and high negative power extraction. Computational result indicated that the geometry of the cavity vane has impacted the performance of the turbine due to its sharp-edged corner. The proposed geometry resulted in unstable moment generation and torque deliverance which impacted the power extraction. The lack of symmetrical and streamline properties of the blades has affected one another as in terms of rotation. The cavity vane experiences high adverse pressure due to its sharp cornered geometry in returning blade which consequently impacted the rotation of the advancing blade.

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Section: Model Geometry Configurationmentioning

confidence: 99%

A Rudimentary Computational Assessment of Low Tip Speed Ratio Asymmetrical Wind Turbine Blades

Ashwindran¹,

Aziz²,

Oumer³

2020

IJIE

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“…For the two and three-bladed rotors, respectively, the shielding obstacle gave an increase in the maximum power coefficient of 27.3% and 27.5%. The addition of an air deflector made of a pair of curtains placed in front of a two-bladed Savonius wind rotor was investigated numerically by Maldonado et al, [16]. They discovered that it enhanced the incoming velocity by up to 32% subsequently the rotor outputs were improved.…”

Section: Introductionmentioning

confidence: 99%

Numerical Model Parameters Choice of Helical Savonius Wind Rotor: CFD Investigation and Experimental Validation

Mariem Lajnef,

Mabrouk Mosbahi,

abid Hasna

et al. 2024

CFDL

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Electrical power is essential for human beings welfare. The available wind as a clean and renewable source of energy has whetted extensive interest over decades. Savonius vertical axis wind rotor as an energy converter has the merit of being adequate for specific implementations owing to its lower cost and independency on wind direction. From this perspective, multiple studies have been conducted to boost its efficiency. This research work emphasizes on the helical Savonius wind rotor (HSWR). The basic objective is to investigate the impact of selecting the numerical model parameters on its aerodynamic and performance characteristics. Experimental tests were realized with a 3D printed HSWR in a wind tunnel. The experimental performances in terms of power, static and dynamic torque coefficients were addressed. Next, a numerical study was undertaken through Ansys Fluent 17.0 software. Grid, turbulence model and rotating domain size tests were examined. Good accordance was obtained, which validated the numerical model with an averaged error of 5%. The maximum power coefficient proved to be equal to 0.124 at a tip speed ratio of 0.73 and 0.1224 at a tip speed ratio of 0.69, respectively, numerically and experimentally

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“…Geometrical design of a Nautilus wind turbine [1], a comparison between helical and straight blades [2] and a nature-inspired shape blades proposal for a VAWT [3] are some examples. Likewise, VAWTs have been researched to suit specific applications, such as subsidized houses [4] and highways [5], [6]. On highways, the authors are exploring the possibility of using VAWTs for electricity generation and street lighting, with certain types of turbines, with the cross-flow Banki wind turbine appearing to be the most effective option.…”

Section: Introductionmentioning

confidence: 99%

Design and Simulation of a Banki Cross-Flow Wind Turbine for Highways Under High Turbulence and High Altitude Conditions

Sempértegui-Tapia

Alave-Vargas

Villarroel-Beltran

et al. 2023

36th International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems (ECOS 20

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The objective of this study is to design an optimal vertical axis wind turbine (VAWT) for electric generation on a high-density urban highway in Cochabamba, Bolivia, taking into account the special functional conditions due to the characteristics of the high altitude area. Based on the literature, it was initially determined that the Banki cross-flow turbine is the most suitable VAWT for use on highways. An in-situ measurement of the wind velocity spectra was conducted to assess the typical wind characteristics along the highway using statistical analysis and selected optimal values for testing and optimization. The diameter of the Banki wind turbine was then determined and fixed considering the width of the space between the two lanes of the highway as a limitation. Three geometrical aspects were assessed as variables for finding the optimal power coefficient; attack angle, number of blades and height. Computational fluid dynamics (CFD) simulations were carried out with every turbine combination to determine the optimal characteristics. From Cp and TSR values obtained from the simulations a multivariate analysis was carried out optimizing these values. The response of Cp and TSR were obtained, prioritizing Cp results. Finally, an ultimate design for the Banki wind turbine is proposed. The optimized Banki cross flow turbine has 11.5495° attack angle, 12 number of blades and 0.9 m of height.

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Design, Simulation and Construction of a Savonius Wind Rotor for Subsidized Houses in Mexico

Cited by 15 publications

References 6 publications

A Rudimentary Computational Assessment of Low Tip Speed Ratio Asymmetrical Wind Turbine Blades

A Rudimentary Computational Assessment of Low Tip Speed Ratio Asymmetrical Wind Turbine Blades

Numerical Model Parameters Choice of Helical Savonius Wind Rotor: CFD Investigation and Experimental Validation

Design and Simulation of a Banki Cross-Flow Wind Turbine for Highways Under High Turbulence and High Altitude Conditions

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