Savonius wind turbine : The influence of the wind concentrator

Ueno, Hiroyuki; Mino, Masahiro; Takada, Norihisa

doi:10.1299/jsmekyushu.2002.55.125

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2011

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“…It can be said that C Pmax with the shield plate is weakened near the water surface of CW and near the bottom wall of CCW. Ueno et al (11) studied the influence of flat plate for wind collector on performance of Savonius wind runner. They reported that the performance of the Savonius runner improved with increasing the distance between the blade and the flat plate.…”

Section: Resultsmentioning

confidence: 99%

Influence of setting condition on characteristics of Savonius hydraulic turbine with a shield plate

Iio

Katayama

Uchiyama³

et al. 2011

J. Therm. Sci.

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The aim of this investigation was to improve power performance of Savonius hydraulic turbine utilizing small stream for electric generation. An attempt was made to increase the power coefficient of runner by the use of flat shield plate placed upstream of the runner. The difference of the power coefficient is discussed in relation to clearance between the runner and the bottom wall and the rotation direction of the runner. The flow field around the runner was also examined visually to clarify influences of setting conditions on the power performance. From this study it was found that the power coefficient is achieved for 0.47 by only using a flat shield plate, the increase is up to 80% over the runner without the plate. Moreover, it is the proper condition that clearance ratio is 0.73 in this study.

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Section: Resultsmentioning

confidence: 99%