PIV Experiment on Near Wake Flow of Horizontal Axis Wind Turbine

Xiang Gao; Jun Hu; Zhi Qiang Wang

doi:10.4028/www.scientific.net/AMR.718-720.1811

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 718-720PIV Experiment on Near Wake Flow of Horizontal...

PIV Experiment on Near Wake Flow of Horizontal Axis Wind Turbine

Abstract:

A three-dimensional horizontal axis wind turbine model was experimentally studied. The experiment was carried out in a laboratory wind tunnel. With PIV measurement, details about flow fields in the near wakeof the turbine blade were obtained. The result shows vortices generateon the tailing edge of the blade, and propagatedownstream then dissipate into small vortices. Vortices also generate at the tip of the blade, propagate downstream and along the radial direction then dissipate. The dissipation of the tip vortex is slower than the former. We also find that the wake of turbine blade rotates in the opposite direction of the blade.

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Periodical:

Advanced Materials Research (Volumes 718-720)

Pages:

1811-1815

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.718-720.1811

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Online since:

July 2013

Authors:

Xiang Gao, Jun Hu, Zhi Qiang Wang

Keywords:

Near Wake, PIV, Velocity Vector Distribution, Vortex Distribution

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References

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