Journal ArticleDOI
Optimum design configuration of Savonius rotor through wind tunnel experiments
TLDR
In this article, wind tunnel tests were conducted to assess the aerodynamic performance of single-, two-and three-stage Savonius rotor systems with both semicircular and twisted blades.About:
This article is published in Journal of Wind Engineering and Industrial Aerodynamics.The article was published on 2008-08-01. It has received 337 citations till now. The article focuses on the topics: Rotor (electric) & Savonius wind turbine.read more
Citations
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Journal ArticleDOI
Influence of curtain plates on the aerodynamic performance of an elliptical bladed Savonius rotor (S-rotor)
TL;DR: In this paper, a 2D unsteady numerical analysis is conducted through the SST k-ω turbulence model for the S-rotor with and without the curtain plates, and it was found that the elliptical bladed profile with curtains plates has higher aerodynamic performance (CDavg = 2.60 and CLavg
Journal ArticleDOI
Effect of the variations of the gap flow guides geometry on the savonius wind turbine performance: 2D and 3D studies
TL;DR: In this article , double gap flow guides of different lengths of 25-100 mm were introduced at different angular positions of 45-90° in a 0.5 m diameter blade Savonius turbine.
Journal ArticleDOI
Study on the performance of a new VAWT with overlapped side-by-side Savonius rotors
TL;DR: In this paper , a new vertical axis wind turbine (VAWT) with overlapped side-by-side Savonius rotors is designed and analyzed, and the optimal distance between the rotors was found to be 0.7 times the rotor diameter.
Proceedings ArticleDOI
Savonius Wind Turbine Blade Profile Optimization by Coupling CFD Simulations With Simplex Search Technique
TL;DR: The optimum blade profile is found to be better than the semicircular blade in the range of TSR=0.6 – 1.6 and compared with the conventional profile over a wide range of tip speed ratios (TSRs) in order to check its feasibility for practical applications.
Journal Article
Experimental Study on Improvement The Performance of Savonius Windmill with Ventilated Blade
TL;DR: In this paper, the authors evaluated the effect of fixed ventilation on the performance of the Savonius windmill and found that the ventilated windmill had the average useful power and the power coefficient higher than the conventional windmill.
References
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Journal ArticleDOI
Wind tunnel performance data for two- and three-bucket Savonius rotors
TL;DR: In this article, a Savonius rotor wind turbine was tested in the Vought Corporation Systems Division 4.9- x 6.1m Low Speed Wind Tunnel to determine aerodynamic performance.
Journal ArticleDOI
On the performance analysis of Savonius rotor with twisted blades
Ujjwal K. Saha,M. Jaya Rajkumar +1 more
TL;DR: In this paper, a three-bladed rotor system has been tested in a low speed wind tunnel, and its performance has been compared with conventional semicircular blades (with twist angle of 0°) on the basis of starting characteristics, static torque and rotational speed.
Journal ArticleDOI
A double-step Savonius rotor for local production of electricity: a design study
TL;DR: In this article, the authors presented a study, carried out with the help of the French Agency of Innovation (ANVAR), which deals with the conception of a small Savonius rotor (i.e. of low power) for local production of electricity.
Journal ArticleDOI
On the torque mechanism of Savonius rotors
TL;DR: In this article, the aerodynamic performance and flow fields of Savonius rotors at various overlap ratios have been investigated by measuring the pressure distributions on the blades and by visualizing the flow fields in and around the rotors with and without rotation.
Journal ArticleDOI
Wind tunnel tests on a savonius rotor
A.J. Alexander,B.P. Holownia +1 more
TL;DR: In this paper, a wind tunnel test was made on a number of Savonius rotor configurations in wind speeds of 6-9 m/s with variable variables including blade aspect ratio, blade overlap and gap and the effects of adding end extensions, end plates and shielding.
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On the performance analysis of Savonius rotor with twisted blades
Ujjwal K. Saha,M. Jaya Rajkumar +1 more