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大韓造船學會 論文集 = Journal of the Society of Naval Architects of Korea v.47 no.3=no.171, 2010년, pp.388 - 397   피인용횟수: 3
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고정식 진동수주형 파력 발전장치의 챔버 유동 및 파에너지 변환효율 해석
Numerical Analysis of Chamber Flow and Wave Energy Conversion Efficiency of a Bottom-mounted Oscillating Water Column Wave Power Device

구원철    (울산대학교 조선해양공학부   ); 김무현    (텍사스 A&M 대학교 토목공학과   ); 최윤락    (울산대학교 조선해양공학부  );
  • 초록

    A two-dimensional time-domain, potential-theory-based fully nonlinear numerical wave tank (NWT) was developed by using boundary element method and the mixed Eulerian-Lagrangian (MEL) approach for free-surface node treatment. The NWT was applied to prediction of primary wave energy conversion efficiency of a bottom-mounted oscillating water column (OWC) wave power device. The nonlinear free-surface condition inside the chamber was specially devised to represent the pneumatic pressure due to airflow velocity and viscous energy loss at the chamber entrance due to wave column motion. The newly developed NWT technique was verified through comparison with given experimental results. The maximum energy extraction was estimated with various chamber-air duct volume ratios.


  • 주제어

    진동 수주 .   챔버 .   수치 파수조 .   공기압 .   점성 에너지 손실 .   파력 추출.  

  • 참고문헌 (16)

    1. Alves, M. and Sarmento, A., 2005, “ Nonlinearand viscous diffraction response ofOWC wave power plants” , In: Proceedingsof the 6th European Wave and Tidal EnergyConf., Glasgow, UK, pp. 11-17. 
    2. Gato, L. M. C. and Falcao, A. F. de O.,1988, “ Aerodynamics of the Wells turbine” ,International Journal of Mechanical Science30, 383-395. 
    3. Heath, T., Whittaker, T.J.T. and Boake,C.B., 2000, “ The design, construction andoperation of the LIMPET wave eergyconverter” , In: Proceeding of the 4thEuropean Wave Energy Conference, Aalborg,Denmark, pp.49-55. 
    4. Hong, D. C., Hong, S. Y. and Hong, S. W.,2004, “ Numerical study of the motions anddrift force of a floating OWC device,” OceanEngineering 31, 139-164. 
    5. Josset, C. and Clement, A.H., 2007, “ Atime-domain numerical simulator for oscillatingwater column wave power plants,”Renewable Energy 32, 1379-1402. 
    6. Kim, D. and Iwata, K., 1991,“ Dynamicbehavior of tautly moored semi-submergedstructure with pressurized air-chamber andresulting wave transformation,” CoastalEngineering in Japan 34 (2), 223-242. 
    7. Koo, W.C. and Kim, M.H., 2004, “ Freelyfloating-body simulation by a 2D fully nonlinearnumerical wave tank,” Ocean Engineering 31 (16), 2011-2046. 
    8. Koo, W.C. and Kim, M.H., Lee, D.H., Hong,S.A., 2006, “ Nonlinear time-domain simulationof pneumatic floating breakwater,”International Journal of Offshore and PolarEngineering 16 (1), 25-32. 
    9. Liang, X. and Wang, W., 1996, “ Experimentalresearch on performance of a BBDBwave-activated generation device model,”In Proc. 2nd European wave power conference,Lisbon, pp.8-10. 
    10. Liu, Z., Hyun, B.S. and Hong, K.Y., 2008,“ Application of numerical wave tank to OWCair chamber for wave energy conversion,”In: Proceedings of the 18th InternationalOffshore and Polar Engineering Conference,vol. 1. ISOPE, Vancouver, BC, Canada, pp.350-356. 
    11. Masuda, Y. and Miyazaki,T., 1979, “ Wavepower electric generation study in Japan,”In: Proceedings of Wave and Tidal EnergySymposium, British Hydromechanics ResearchAssociates, Paper C. 
    12. Nagata, S., Toyota, K., Imai, Y. andSetoguchi, T., 2008, “ Experimental study onhydrodynamic forces acting on a floatingwave energy converter Backward Bent DuctBuoy,” In: Proceedings of the 18th InternationalOffshore and Polar EngineeringConference, vol. 1. ISOPE, Vancouver, BC,Canada, pp. 366-373. 
    13. Suzuki, M., Kuboki, T., Nagata, S. andSetoguchi, T., 2009, “ Numerical investigationof 2D optimal profile of backward-bentduct type wave energy converter,” In: Proceedingsof 28th International Conference onOcean, Offshore and Arctic Engineering,OMAE-79719, Honolulu, USA. 
    14. Wang, D.J., Katory, M. and Li, Y.S., 2002,“ Analytical and experimental investigationon the hydrodynamic performance of onshorewave-power devices,” Ocean Engineering29, 871-885. 
    15. Washio, Y., Osawa, H., Nagata,Y.,Furuyama, H. and Fujita, T., 2000, “ Theoffshore floating type wave power device‘ Mighty Whale’ open sea tests,” In: Proceedingsof the 10th International Offshoreand Polar Engineering Conference, vol. 1.ISOPE, Seattle, USA, pp. 373-380. 
    16. Kim, S., Ryu, W., Shin, S. and Hong, K., 2009,“ The efficiency of the OWC Wave EnergyConvertor based on Experiments,” In: Proceedingsof the Korean Society of OceanEngineers, Geoje, pp. 143-146. 
  • 이 논문을 인용한 문헌 (3)

    1. Koo, Weon-Cheol ; Kwon, Jin-Sung ; Kim, Jun-Dong ; Kim, Sung-Jae ; Kim, Min-Woo ; Choi, Mun-Kwan 2012. "Experimental Study of Shape Parameter of Land-based OWC Wave Energy Converter" 韓國海洋工學會誌 = Journal of ocean engineering and technology, 26(3): 33~38     
    2. Choi, Jung-Kyu ; Kim, Hyoung-Tae 2013. "Numerical Investigation on the Applicability of Wave-Induced Swirl Water Chamber for Wave Power Generation in Coastal Water of Korea" 韓國海洋工學會誌 = Journal of ocean engineering and technology, 27(6): 32~42     
    3. Jung, Sung-Young ; Oh, Jin-Seok 2014. "The Study on the Effects of Breakwater Energy Conversion System by Horizontal Plate Installation" 한국항해항만학회지 = Journal of navigation and port research, 38(1): 39~44     

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