International Journal of Fluid Machinery and Systems

Korean Society for Fluid machinery (한국유체기계학회)
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Performance Research of Counter-rotating Tidal Stream Power Unit

  • Wei, Xuesong (Faculty of Engineering, Kyushu Institute of Technology, Zhejiang University) ;
  • Huang, Bin (Faculty of Engineering, Kyushu Institute of Technology) ;
  • Liu, Pin (Faculty of Engineering, Kyushu Institute of Technology) ;
  • Kanemoto, Toshiaki (Faculty of Engineering, Kyushu Institute of Technology)
  • Received : 2015.10.20
  • Accepted : 2015.12.19
  • Published : 2016.06.30
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Abstract

An experimental investigation was carried out to improve the performance of a counter-rotating type horizontal-axis tidal stream power unit. Front and rear blades were designed separately based on modified blade element momentum (BEM) theory, and their performances at different conditions of blade tip speed ratio were measured in a wind tunnel. Three different groups of blades were designed successively, and the results showed that Group3 possessed the highest power coefficient of 0.44 and was the most satisfactory model. This experiment shows that properly increasing diameter and reducing chord length will benefit the performance of the blade.

Keywords

References

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Cited by

  1. A Numerical Prediction of Tip Vortices from Tandem Propellers in the Counter-Rotating Type Tidal Stream Power Unit vol.05, pp.12, 2017, https://doi.org/10.4236/jpee.2017.512009