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CFD and experiment validation on aerodynamic power output of small VAWT with low tip speed ratio
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 Title & Authors
CFD and experiment validation on aerodynamic power output of small VAWT with low tip speed ratio
Heo, Young-Gun; Choi, Kyoung-Ho; Kim, Kyung-Chun;
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In this study, aerodynamic characteristics of the blades of a helical-type vertical axis wind turbine(VAWT) have been investigated. For this purpose, a 100-W helical-type vertical axis wind turbine was designed using a design formulae, and a 3D computational fluid dynamics analysis was performed considering wind tunnel test conditions. Through the results of the analysis, the aerodynamic power output and flow characteristics of a helical blade were confirmed. In order to validate the aerodynamic power output obtained through the analysis, a wind tunnel test was performed by using a full-scale helical-type vertical axis wind turbine. The 3D analysis technique was validated by comparing its results with those obtained from the wind tunnel test.
Vertical axis wind turbine;Helical blade;Computational fluid dynamics;Wind tunnel test;
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