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
Physical testing of performance characteristics of a novel drag-driven vertical axis tidal stream turbine; with comparisons to a conventional Savonius
TL;DR: In this article, an experimental study of the performance and optimisation of a novel drag-driven vertical axis tidal stream turbine is presented, which has several unique advantages, including simple blade design, deployable in shallow waters and potential denser array spacing.
Journal ArticleDOI
Design of a micro wind turbine and its economic feasibility study for residential power generation in built-up areas
TL;DR: In this article, a single stage drag-based multi-blade small vertical axis wind turbine and its economic aspect for implementation in the metropolitan built-up areas in Australia is analyzed and shown that one turbine with diameter and height of 322 m and 153 m and blade diameter of 41 m will provide the 1.6 kW power required to supplement 10% of the power requirement.
Journal ArticleDOI
Examining the Aerodynamic Drag and Lift Characteristics of a Newly Developed Elliptical-Bladed Savonius Rotor
Nur Alom,Ujjwal K. Saha +1 more
TL;DR: In this article, the effect of the lift and the drag on the rotor performance was investigated for the elliptical-bladed Savonius wind turbine rotor and the results showed that the average lift and drag coefficients of the rotor were 1.31, 0.48, and 0.26, respectively.
Journal ArticleDOI
Numerical investigation of performance refinement of a drag wind rotor using flow augmentation and momentum exchange optimization
TL;DR: In this paper, a modified Savonius rotor with double-curved two-stage buckets was evaluated using 3D flow predictions executed in ANSYS-FLUENT and different types of nozzles were added after observing acceptable agreement between empirical and simulation results.
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Influence of tilt angle and the number of guide vane blades towards the Savonius rotor performance
TL;DR: In this paper, the influence of the guide vanes on the Savonius rotor performance was investigated under different tilt angles, i.e., 0°, 20°, 40°, and 60°.
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