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
Urban wind energy: Some views on potential and challenges
Ted Stathopoulos,Hatem Alrawashdeh,Ayman Al-Quraan,Bert Blocken,Bert Blocken,Aierken Dilimulati,Marius Paraschivoiu,Pragasen Pilay +7 more
TL;DR: In this paper, the authors provide some views on the progress made recently in the areas of wind resource assessment in the urban habitat; the utilization of suitable wind turbines for enhancing the exploitation of these resources; and the significant role of knowledge of building and urban aerodynamics for an optimal arrangement of interfacing augmented wind with its extraction mechanisms.
Journal ArticleDOI
Numerical study of detailed flow field and performance of Savonius wind turbines
Tong Zhou,Dietmar Rempfer +1 more
TL;DR: In this article, the authors numerically explore the non-linear two-dimensional unsteady flow over a conventional Savonius rotor and a Bach-type rotor, and develop a simulation method for predicting their aerodynamic performance.
Journal ArticleDOI
Experimental investigation of helical Savonius rotor with a twist of 180
TL;DR: In this article, the influence of variation of Reynolds number and the overlap ratio on the performance of a modified Savonius rotor with aspect ratio of 1.57 at a Reynolds numbers equal to Re −=−79,794, Re−=−99,578, Re ≥116,064 and Re ≥147,059.
Journal ArticleDOI
Performance improvement of Savonius rotor using multiple quarter blades – A CFD investigation
Sonu Sharma,Rajesh Kumar Sharma +1 more
TL;DR: In this article, the performance of a new configuration of Savonius rotor with the conventional one, using numerical simulation approach, is compared using an estimation and comparison of the performance in terms of Coefficient of Performance.
Journal ArticleDOI
Review of experimental investigations into the design, performance and optimization of the Savonius rotor
Sukanta Roy,Ujjwal K. Saha +1 more
TL;DR: The Savonius rotor is a drag-based vertical axis wind turbine and is used as an alternative source in small-scale energy generation as mentioned in this paper, which is a very simple design, low-cost, easy installation, and good starting point.
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.
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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.
Related Papers (5)
Experimental investigations on single stage modified Savonius rotor
On the performance analysis of Savonius rotor with twisted blades
Ujjwal K. Saha,M. Jaya Rajkumar +1 more