Patent
Savonius wind turbine
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TLDR
A wind turbine of the savonius wind turbine type comprises a rotatable member extending along a longitudinal axis and a plurality of blades extending radially outwards from the rotatable members and spaced apart around the circumference thereof as discussed by the authors.Abstract:
A wind turbine, of the savonius wind turbine type, comprises a rotatable member extending along a longitudinal axis and a plurality of blades extending radially outwards from the rotatable member and spaced apart around the circumference thereof. The rotatable member is arranged such that, in normal use, the longitudinal axis extends in a substantially vertical direction and the blades travel around the longitudinal axis. The wind turbine further comprising a wind deflector operable to deflect wind to provide a sheltered region for the blades as they travel towards the wind and thereby substantially reducing the drag induced on the turbine.read more
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Journal ArticleDOI
Numerical study of two-bucket Savonius wind turbine cluster
TL;DR: In this article, the authors developed a multi-turbine cluster for construction of efficient patterned vertical axis wind turbine farms, where numerical solutions were performed for a single Savonius turbine, clusters of two turbines in parallel and oblique positions and triangular clusters of three turbines facing the wind forward and backward.
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Hideki Fujiwara,Takagi Takeshi +1 more
TL;DR: In this article, the authors proposed a power generator with a speed-increasing gear and a rolling bearing for supporting a high-speed shaft whose speed is increased by the speed increasing gear to rotate.
References
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Patent
Wind turbine device
TL;DR: In this paper, the inner helical half wing blades, being somewhat shorter than the length of the outer airfoil blades, act to regularize the swirling wind regime flowing through the hybrid wind turbine.
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TL;DR: In this paper, a vertical axis windmill is provided where the amount of wind directed to the blades in the power producing part of rotation and the mechanical load of multiple generators is controlled by a feedback control to maintain a relatively constant rotational frequency of the shaft of the windmill.
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