Numerical simulation of a Savonius turbine above an infinite-width forward facing step

Goh, Seach Chyr and Schlüter, Jorg Uwe 2016, Numerical simulation of a Savonius turbine above an infinite-width forward facing step, Wind engineering, vol. 40, no. 2, pp. 134-147, doi: 10.1177/0309524X15624619.

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Title Numerical simulation of a Savonius turbine above an infinite-width forward facing step
Author(s) Goh, Seach Chyr
Schlüter, Jorg UweORCID iD for Schlüter, Jorg Uwe
Journal name Wind engineering
Volume number 40
Issue number 2
Start page 134
End page 147
Total pages 15
Publisher Sage
Place of publication London, Eng.
Publication date 2016-04
ISSN 0309-524X
Keyword(s) computational fluid dynamics
Savonius wind turbine
forward facing step
bluff body
Summary The Savonius turbine, although simple in construction, typically has a maximum power coefficient (cP) of about 0.2. This is significantly lower than the cP of the axial flow propeller-type turbine which typically can be as high as 0.5. However, a simple means to improve the cP of a Savonius turbine is to install it above a forward facing step, for example, a cliff or a building. In this work, prior experimental results of the tow testing of a Savonius turbine installed above a finite-width bluff body were used to validate computational fluid dynamics simulation of the same experimental conditions. The validated simulation settings were then used to obtain the maximum cP of a similar turbine of finite width but installed above an infinite-width forward facing step over a range of installation positions above and behind the step.
Language eng
DOI 10.1177/0309524X15624619
Field of Research 090799 Environmental Engineering not elsewhere classified
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, The Authors
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