Results 131 to 140 of about 304 (180)

Transient numerical simulation to investigate pressure fluctuation spectrum and deficit in the near wake of a horizontal axis wind turbine. [PDF]

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Mohammed Ali SW, Altimemy M, Jaber HJ, Ghayadh NA.   +3 more
europepmc   +1 more source

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Comparative study of a three-bucket Savonius rotor with a combined three-bucket Savonius–three-bladed Darrieus rotor

Renewable Energy, 2008
Abstract The vertical axis wind turbines are simple in construction, self-starting, inexpensive and can accept wind from any direction without orientation. A combined Savonius–Darrieus type vertical axis wind rotor has got many advantages over individual Savonius or individual Darrieus wind rotor, such as better efficiency than Savonius rotor and ...
Agnimitra Biswas
exaly   +2 more sources

On the performance analysis of Savonius rotor with twisted blades

Renewable Energy, 2006
The present investigation is aimed at exploring the feasibility of twisted bladed Savonius rotor for power generation. The twisted blade in 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°).
U K Saha
exaly   +2 more sources

Performance of Savonius Rotors: A Review

ECS Transactions, 2022
With the downsizing of the energy sector in India and developing countries, the core demand of electricity power supply is adding another source of constraint to the industrial, infrastructural, and development sectors in India. With the growth of the economy that brings along hazardous degrading our ecosystem viz.
Amandeep Singh, Sonu Sharma
openaire   +1 more source

A short review on savonius rotor

AIP Conference Proceedings, 2020
The humankind implement a method of energy evolution which means replacement of conventional sources of energy by renewable sources of energy to minimise pollution. Savonius rotor a vertical axis wind rotor used in wind and hydro plant for energy conversion, but the important concern is to build higher efficiency rotor.
Oying Doso, Sarsing Gao
openaire   +1 more source

Partially-blocked savonius rotor

Applied Energy, 1992
Abstract A Savonius rotor can develop a relatively high torque at a low rotational speed. It is cheap to build, but harnesses only a small fraction of the wind energy incident upon it. One proposal for augmenting the energy-harnessing effectiveness was to employ a V-shaped deflector mounted upstream of the rotor, apex into the wind, so that the air-
B.M. Shaughnessy, S.D. Probert
openaire   +1 more source

Wind tunnel tests on a savonius rotor

Journal of Wind Engineering and Industrial Aerodynamics, 1978
Abstract Tests have been made in a wind tunnel on a number of Savonius rotor configurations in wind speeds of 6–9 m/s. The variables tested were blade aspect ratio, blade overlap and gap and the effects of adding end extensions, end plates and shielding.
A.J. Alexander, B.P. Holownia
openaire   +1 more source

Savonius rotor as a part of complex systems

Journal of Sound and Vibration, 2019
Abstract Savonius rotor is considered as an element of mechanical or electromechanical systems. An empirical approach is proposed for describing the aerodynamic torque basing on available data from physical and computational experiments. A stand-alone wind power generator based on the Savonius rotor is examined where the electromechanical interaction
Y.D. Selyutskiy, L.A. Klimina, A.A. Masterova, S.S. Hwang, C.H. Lin   +4 more
openaire   +1 more source

Design Optimization of Savonius Rotors: An Overview

Applied Mechanics and Materials, 2011
Since the Savonius rotor has a low starting torque and is adaptable for wind in various directions, it has received great attention in the past decades. In this paper, we present an overview of the state of the art in Savonius rotor design, according to three general strategies of design optimization: 1) Optimizing Savonius rotor structural parameters ...
Xiao Wen Song, Kai Yuan Cao, Zhong Rui Chen, Ke Shen   +3 more
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On the torque mechanism of Savonius rotors

Journal of Wind Engineering and Industrial Aerodynamics, 1992
Abstract The aerodynamic performance and the 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. Experiments have been performed on four rotors having two semicircular blades but with
openaire   +1 more source