Topic
Savonius wind turbine
About: Savonius wind turbine is a research topic. Over the lifetime, 333 publications have been published within this topic receiving 6521 citations.
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TL;DR: In this paper, the effects of several design parameters including twist angle, overlap ratio, and endplates size ratio, along with the wind velocity on the performance of the Savonius wind turbine are investigated.
62 citations
TL;DR: In this paper, a Savonius-style vertical axis wind turbine with direct discharge flow capability in order to ventilate buildings was designed and validated using available experimental results in literature, and two design modifications, variations in cross-section with respect to the height of rotor and conical shaft in the middle of wind rotor are proposed.
62 citations
TL;DR: In this article, the authors proposed a novel porous deflector in front of the Savonius wind turbine to improve the performance of the wind turbine, which was specifically designed to minimize the severe effects of the complex wake zone created behind the conventional solid deflector.
59 citations
TL;DR: In this paper, a mathematical model based on the discrete vortex method for predicting the performance of a Savonius wind turbine is presented, which attempts to represent the complex unsteady flow field with separating shear layers in a realistic fashion consistent with the available computational tools.
55 citations
TL;DR: In this article, the authors investigated ways of improving the efficiency of a six-bladed Savonius rotor by increasing the number of blades and preventing the wind from impinging on the convex parts.
Abstract: The aim of the present paper is to investigate ways of improving the efficiency of a six-bladed Savonius rotor The efficiency of Savonius machines is low because of the “negative drag” exerted on the convex part of the blades and also because the torque of standard Savonius rotors varies substantially during one rotation and therefore affects the self starting of the rotor at certain wind angles Improvement of the efficiency of the Savonius rotor is carried out by increasing the number of blades and also by preventing the wind from impinging on the convex parts The latter can be done by hiding the convex part of the blades behind a shield or a vane The present paper shows the results of two-dimensional computational fluid dynamics (CFD) computations, indicating a promising increase of the power coefficient from 03 to 05
54 citations