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
Experimental investigation on the characterization of self-starting capability of a 3-bladed Savonius hydrokinetic turbine using deflector plates
TL;DR: In this paper, the use of deflectors as augmentation devices to improve the power performance of a 3-bladed conventional Savonius turbine has been investigated by analyzing the deflectors' effects on self-starting capability and power performance at various deflector angles.
Journal ArticleDOI
Developing a Vortical Stator Assembly to Improve the Performance of Drag-Type Vertical-Axis Wind Turbines
T. Y. Chen,Y. Y. Chen +1 more
TL;DR: In this paper, a vortical stator assembly (VSA) was developed to improve the rotor performance, surrounding a drag-type, vertical-axis wind turbine (VAWT).
Journal ArticleDOI
Experimental and numerical investigation of novel V-shaped rotor for hydropower utilization
TL;DR: In this paper, an experimental investigation is carried out in a multipurpose tilting water flume using V-shaped rotor blade profiles by maintaining a fixed V-angle of 90°, varying length of V-edges, arc radius and with a constant aspect ratio of 0.7.
Journal ArticleDOI
Performance estimation of Savonius wind and Savonius hydrokinetic turbines under identical power input
TL;DR: In this paper, a comparative analysis between Savonius wind turbines (SWTs) and SVH turbines (SHTs) at the same input power was conducted, where two configurations of SWTs and SHTs were considered, viz., 2-and 3-bladed turbine designs having semicircular blade profiles.
Journal ArticleDOI
Experimental study on performance improvement of a Savonius turbine by equipping with a cylindrical cowling
TL;DR: In this paper, negative torque reduction and flow augmentation are used to improve the performance of the Savonius turbine, which is a drag-type vertical-axis wind turbine.
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