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부유식 복합 재생에너지 플랫폼 계류선의 효과적 배치에 관한 연구

Study on Effective Arrangement of Mooring Lines of Floating-Type Combined Renewable Energy Platform

김유일|정준모|전기영
한국해양공학회 (The Korean Society of Ocean Engineers (KSOE))|2013.08|한국해양공학회지 (Journal of Ocean Engineering and Technology)|제27권 제4호|pp. 22-32

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참고문헌

키워드

Mooring line 계류선Fatigue life 피로수명Floating type platform 부유식 플랫폼Renewable energy 재생 에너지Taut-leg mooring 인장각식 계류Line tension 계류선 인장력RAO 주파수응답함수Short term sea state 단기해상상태
주제분류해양공학

초록

This paper presents the conceptual design procedure for the taut‐leg mooring lines of a floating‐type combined renewable energy platform. The basic configuration of the platform is determined based on an understanding of floating offshore plants. The main dimensions and mass distribution are determined based on a hydrostatic calculation. To identify the motion history of the floating platform and the tension history of the mooring lines, a hydrodynamic analysis is executed using Ansys.Aqwa. This helps in the selection of the best configuration for the mooring system such as the number of mooring lines, wire types, anchored positions, etc. In addition, the fatigue life of the mooring lines can be predicted from the tension history using the rain‐flow cycle counting method.

Abstract

This paper presents the conceptual design procedure for the taut‐leg mooring lines of a floating‐type combined renewable energy platform. The basic configuration of the platform is determined based on an understanding of floating offshore plants. The main dimensions and mass distribution are determined based on a hydrostatic calculation. To identify the motion history of the floating platform and the tension history of the mooring lines, a hydrodynamic analysis is executed using Ansys.Aqwa. This helps in the selection of the best configuration for the mooring system such as the number of mooring lines, wire types, anchored positions, etc. In addition, the fatigue life of the mooring lines can be predicted from the tension history using the rain‐flow cycle counting method.

참고문헌 (21)

  1. American Bureau of Shipping(ABS), "Guidance Notes on the Application of Fiber Rope for Offshore Mooring" (2011), ABS
  2. American Society for Testing and Materials(ASTM), "ASTM E 1049-85: Standard Practices for Cycle Counting in Fatigue Analysis" (1997), ASTM
  3. Ansys,, "AQWA User Manual Release 13.0" (2010), Ansys INC
  4. Ansys,, "AQWA Reference Manual Release 13. 0" (2010), Ansys INC
  5. Brommundt, M., "Mooring System Optimization for Floating Wind Turbines Using Frequency Domain Analysis", Energy Procedia, 24, pp.289~296 (2012)
  6. 전정수, "FSI Analysis of TLP Tether System for Floating Wind Turbine", 한국해양공학회지, 24(1), pp.10~19 (2010), 한국해양공학회
  7. Det Norske Veritas(DNV), "Offshore Standard DNV-OSE301: Position Mooring", DNV, ~ (2010)
  8. Det Norske Veritas(DNV), "Recomnended Practice DNVRP- C205: Environmental Conditions and Environmental Loads", DNV, ~ (2010)
  9. 정동호, "부유식 파력발전장치용 계류선의 설계 및 안전성 검토에 관한 연구", 한국해양공학회지, 26(4), pp.77~85 (2012), 한국해양공학회[DOI]
  10. Karimirad, M., "Wave-and Wind-Induced Dynamic Response of a Spar-Type Offshore Wind Turbine. Journal of Waterway, Port, Coastal", Ocean Engineering, 138(1), pp.9~20 (2012)
  11. Karimirad, M., "Feasibility of the Application of a Spar-type Wind Turbine at a Moderate Water Depth", Energy Princidea, 24, pp.340~350 (2012)
  12. Kvittema, M. I., "Effects of Hydrodynamic Modelling in Fully Coupled Simulations of a Semi-Submersible Wind Turbine", Energy Procedia, 24, pp.351~362 (2012)
  13. "Ropes for Deep Water Mooring" (2012)[URL]
  14. Lee, J. S., "A Study on Current Status and Outlook of Offshore Wind Development in Korea", Jounal of Wind Energy, 2(1), pp.6~14 (2011)
  15. Lefebvre, S., "Preliminary Design of a Floating Support Structure for a 5MW Offshore Wind Turbine", Ocean Engineering, 40, pp.15~26 (2012)
  16. Technical Report NREL, "TP-500-38060: Definition of a 5-MW Reference Wind Turbine for Offshore System Development", National Renewable Energy Laboratory(NREL), 2009, Technical Report NREL[DOI]
  17. Technical Report NREL, "TP-500-47535: Definition of the Floating System for Phase IV of OC3", National Renewable Energy Laboratory(NREL), 2010
  18. "WindFloat brochure" (2012)[URL]
  19. 신현경, "5MW 부유식 풍력발전기의 운동 해석", 한국해양공학회지, 25(5), pp.64~68 (2011), 한국해양공학회
  20. Tahar, A., "Coupled-Dynamic Analysis of Floating Structures with Polyester Mooring Lines", Ocean Engineering, 35, pp.1676~1685 (2008)
  21. White, F. M., "Fluid Mechanics 6th Edition" (2008), McGraw-Hill

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