Numerical Study of Performances of Vertical Axis Tidal Turbines

Yan Liu; Peng Fei Zhao; Xiao Hui Su; Guang Zhao

doi:10.4028/www.scientific.net/AMR.455-456.296

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 455-456Numerical Study of Performances of Vertical Axis...

Numerical Study of Performances of Vertical Axis Tidal Turbines

Abstract:

Numerical simulations of flows over two-dimensional vertical axis tidal turbines are carried out. Unsteady Reynolds averaged Navier-Stokes Equations are applied to model turbulent flows. Influence of the central shaft and number of blades on flow field and thus performances of turbines are investigated. Performances in terms of torque and power coefficients are obtained for different types of turbines. Results demonstrates that the central shaft has a negative influence on flow field and power coefficients. Solidity and tip speed ratio are two important factors to affect turbine’s performances. This paper provides useful information for future studies.

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Periodical:

Advanced Materials Research (Volumes 455-456)

Pages:

296-301

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.455-456.296

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Online since:

January 2012

Authors:

Yan Liu, Peng Fei Zhao, Xiao Hui Su, Guang Zhao

Keywords:

Numerical Study, Power Coefficient (CP), Tidal Energy, Vertical Axis Tidal Turbine

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References

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DOI: 10.1260/030952408787548848

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