Effects of flow parameters on the performance of vertical axis swirling type Savonius wind turbine

Article

Al-Faruk, A. and Sharifian, A. S.. 2015. "Effects of flow parameters on the performance of vertical axis swirling type Savonius wind turbine." International Journal of Automotive and Mechanical Engineering. 12 (July-December), pp. 2929-2943. https://doi.org/10.15282/ijame.12.2015.10.0245
Article Title

Effects of flow parameters on the performance of vertical axis swirling type Savonius wind turbine

ERA Journal ID200681
Article CategoryArticle
AuthorsAl-Faruk, A. (Author) and Sharifian, A. S. (Author)
Journal TitleInternational Journal of Automotive and Mechanical Engineering
Journal Citation12 (July-December), pp. 2929-2943
Number of Pages15
Year2015
Place of PublicationMalaysia
ISSN2180-1606
2229-8649
Digital Object Identifier (DOI)https://doi.org/10.15282/ijame.12.2015.10.0245
Web Address (URL)http://ijame.ump.edu.my/index.php?option=com_content&view=article&id=42&Itemid=87
Abstract

Wind tunnel experiments were carried out on a geometrically optimal swirling Savonius turbine by varying flow parameters to determine their effects on power and torque coefficients. The optimum geometrical configuration used in this experiment was adopted from an earlier study that features 0.20 blade overlap ratio, 195˚ blade arc angle, and 1.06 rotor aspect ratio of a 320 mm diameter rotor with closed top end plate. The parameters considered in this experimental are the hot air temperature, hot air mass flow rate, hot air inlet diameter of swirl chamber, and the free-stream wind velocity. The results indicate that higher hot air temperature and hot air mass flow rate promotes performance of the turbine while power coefficient reached maximum at a certain hot air inlet diameter. Tests on the optimum geometry at four wind velocities revealed that power coefficients are higher in higher wind velocities.

KeywordsSavonius wind turbine; wind tunnel; split channel; swirling flow; power coefficient
ANZSRC Field of Research 2020401799. Mechanical engineering not elsewhere classified
401299. Fluid mechanics and thermal engineering not elsewhere classified
400803. Electrical energy generation (incl. renewables, excl. photovoltaics)
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Byline AffiliationsComputational Engineering and Science Research Centre
Institution of OriginUniversity of Southern Queensland
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