Investigation of Wind Turbine Blades with Tubercles

Kelvin Leung

doi:10.4028/www.scientific.net/AMR.1051.832

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1051Investigation of Wind Turbine Blades with...

Investigation of Wind Turbine Blades with Tubercles

Abstract:

This paper describes the testing of wind turbine blades with tubercles in two different ways: outdoor testing and flow visualization. In the outdoor testing, the tubercle pitch was varied for turbine blade lengths of 30 cm, 40 cm, and 50 cm. The pitch-to-length ratio of approximately 1/10 to 1/16 produced the most power output. In flow visualization, both tubercle pitch and amplitude were varied. Vortices created behind the tubercles were shown to increase lift by minimizing flow separation.

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Periodical:

Advanced Materials Research (Volume 1051)

Pages:

832-839

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1051.832

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Online since:

October 2014

Authors:

Kelvin Leung

Keywords:

Flow Visualization, Renewable Energy, Wind Energy, Wind Turbine Blades

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