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Motion characteristics of a floating wave energy converter with wave activating body type

  • Kim, Sung-soo (Dept. of Ocean System Engineering, Gyeongsang National University) ;
  • Lee, Jae-chul (Dept. of Ocean System Engineering, Gyeongsang National University) ;
  • Kang, Donghoon (Dept. of Ocean System Engineering, Gyeongsang National University) ;
  • Lee, Soon-sup (Dept. of Ocean System Engineering, Gyeongsang National University)
  • Received : 2018.02.01
  • Accepted : 2018.04.26
  • Published : 2019.01.31

Abstract

Interest in renewable energy has been increasing in recent years for many reasons, and there have been many studies on new types of wave energy converters and mechanisms for them. However, in this paper, motion characteristics of a wave energy converter with a wave activating body type is studied with an experiment. In order to conduct the experiment, a simple wave activating body type's wave energy converter is proposed. Experimental variations consist of connection type and location. The connection type controls the rotation motions of structures, and the connection location controls the distance between structures. The movement of floating structures, such as rotation, velocity, and acceleration, is measured with a potentiometer and a motion capture camera. Using the recorded data, the motion characteristics derived from the experimental variations are investigated.

Keywords

References

  1. Agamloh, E.B., 2005. A Direct-drive Wave Energy Converter with Contactless Force Transmission System (Ph.D. thesis). Oregon State University.
  2. Choi, Y.R., 2011. Estimation of wave energy extraction efficiency for a compact array system of small buoys. J. Ocean Eng. Technol. 23, 8-13. https://doi.org/10.5574/KSOE.2011.25.1.008
  3. Choi, H.S., Park, R.S., Jo, C.H., 2001. Mega-float Offshore Structure. Daesun, Seoul.
  4. Cle ment, A., McCullen, P., Falcao, A., Fiorentino, A., Gardner, F., Hammarlund, K., Lemonis, G., Lewis, T., Nielsen, K., Petroncini, S., Pontes, M.-T., Sjostrom, B.-O., Schild, P., Sresen, H.C., Thorpe, T., 2002. Wave energy in Europe: current status and perspectives. Renew. Sust. Energy Rev. 6, 405-431. https://doi.org/10.1016/S1364-0321(02)00009-6
  5. Czech, B., Bauer, P., 2012. Wave energy converter concepts. IEEE Ind. Electr. Mag. 6, 4-16. https://doi.org/10.1109/MIE.2012.2193290
  6. Demirbilek, Z., 1990. Design formulae for offset, set down and tether loads of a tension leg platform (TLP). J. Ocean. Eng. 17, 517-523. https://doi.org/10.1016/0029-8018(90)90042-5
  7. Drew, B., Plummer, A.R., Sahinkaya, M.N., 2009. A review of wave energy converter technology. In: Proceedings of the Institution of Mechanical Engineers, Part a: J. Power and Energy, vol. 223, pp. 887-902. https://doi.org/10.1243/09576509JPE782
  8. Garnaud, X., Mei, C.C., 2009. Wave-power extraction by a compact array of buoys. J. Fluid Mech. 635, 389-413. https://doi.org/10.1017/S0022112009007411
  9. Hadano, K., Lee, K.Y., Moon, B.Y., 2017. Wave energy conversion utilizing vertical motion of water in the array of water chambers aligned in the direction of wave propagation. Int. J. Nav. Arch. Ocean Eng 9, 239-245. https://doi.org/10.1016/j.ijnaoe.2016.06.002
  10. International energy agency, 2016. CO2 emissions from fuel combustion highlights. Int. energy agency.
  11. Kim, J., Koh, H.J., Cho, I.H., Kim, M.H., Kweon, H.M., 2017. Experimental study of wave energy extraction by a dual-buoy heaving system. Int. J. Nav. Arch. Ocean Eng 9, 25-34. https://doi.org/10.1016/j.ijnaoe.2016.07.002
  12. Ling, W., Marilena, G., Claudio, L., Zhen, G., Torgeir, M., 2017. A combined wind and wave energy-converter concept in survival mode: numerical and experimental study in regular waves with a focus on water entry and exit. J. Appl. Ocean. Res. 63, 200-216. https://doi.org/10.1016/j.apor.2017.01.013
  13. Pelc, R., Fujita, R.M., 2002. Renewable energy from the ocean. Mar. policy 26, 471-479. https://doi.org/10.1016/S0308-597X(02)00045-3
  14. Previsic, M., 2004. OffshoreWave Energy Conversion Devices. Technical report from Electrical Power Research Institute, E21 EPRI WP-004-US-Rev 1.
  15. Salter, S.H., 1974. Wave power. Nature 249, 720-724. https://doi.org/10.1038/249720a0
  16. Thorpe, T.W., 1999. A Brief Review of Wave Energy. Technical report from Energy Technology Support Unit, R120.

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