Journal of Power System Engineering (동력기계공학회지)

The Korean Society for Power System Engineering (한국동력기계공학회)
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Study on Wave Energy Generation of Multi-Floating Bodies for Energy Absorption by CFD

  • Li, Kui-Ming (Center for Marine-Integrated Biomedical Technology, Pukyong National University) ;
  • Choi, Yoon-Hwan (Department of Mechanical and Automotive Engineering, Pukyong National University) ;
  • Lee, Yeon-Won (Department of Mechanical and Automotive Engineering, Center for Marine-Integrated Biomedical Technology, Pukyong National University)
  • Received : 2013.07.26
  • Accepted : 2013.08.16
  • Published : 2013.10.31
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Abstract

In order to design a wave energy generating system, a 6-DOF analysis technique is applied to CFD analysis on of a floating body and the behavior is interpreted according to the nature of the incoming waves. A spring constant is adopted to control the motion of multi floating bodies and to calculate the total average power absorption. Three cases of different wavelengths namely 20D, 30D and 40D have been modeled to analyze the total average power absorption. The average power absorption not only varies with the position of the floating body but also varies with wavelength. From the results obtained, it is concluded that the maximum total average power absorption is 9W approximately in wavelength 30D and the minimum total average power absorption is 4.3W approximately in wavelength 40D.

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References

  1. R. Bound, 2003, "Status and Research and Development Priorities, Wave and Marine Accessed Energy", UK Dept. of Trade and Industry (DTI), DTI Report # FES-R-132, AEAT Report # AEAT/ENV/1054.
  2. S. C. Lee, and J. S. Goo, "An experimental study on motions of a VLCO for wave power generation (1. Simple floating body)", Journal of the Korean Society for Power System Engineering, Vol. 17, No.2, pp. 103-107.
  3. K. M. Li, N. Parthasarathy, Y. K. Park, H. Y. Jung, Y. H. Choi and Y. W. Lee, 2011, "Study on the Motion of Floater Structure for Design of Wave Energy Generation in Ocean", Journal of the Korean Society of Marine Engineering, Vol. 35, No.5, pp. 632-639. https://doi.org/10.5916/jkosme.2011.35.5.632
  4. K. M. Li, N. Parthasarathy, Y. H. Choi and Y. W. Lee, 2012, "Numerical Study on Energy Absorption of a Floater for Design of Wave Energy Convertor in Ocean", Journal of the Korean Society of Marine Engineering, Vol. 36, No.5, pp. 635-644. https://doi.org/10.5916/jkosme.2012.36.5.635
  5. K. M. Li, N. Parthasarathy, Y. H. Choi and Y. W. Lee, 2013, "Numerical study on design for wave energy generation of a floater for energy absorption", Journal of Mechanical Science and Technology, Vol. 27, No.1, pp. 3999-4005.
  6. ANSYS CFX 13.0 Solver theory
  7. J. N. Newman, 1978, "Marine Hydrodynamics", MIT Press, England.
  8. http://en.wikipedia.org/wiki/Torsion_spring

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