한국해양공학회지 (Journal of Ocean Engineering and Technology)

  • 제38권3호
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  • Pages.137-147
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  • 2024
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  • 1225-0767(pISSN)
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  • 2287-6715(eISSN)
한국해양공학회 (Korean Society of Ocean Engineers)
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Riser Configuration Design for a 15-MW Floating Offshore Wind Turbine Integrated with a Green Hydrogen Facility

  • Sung-Jae Kim (Fisheries Engineering Division, National Institute of Fisheries Science) ;
  • Sung-Ju Park (School of Electrical & Control Engineering, Tongmyong University)
  • 투고 : 2024.03.05
  • 심사 : 2024.06.05
  • 발행 : 2024.06.30
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초록

Green hydrogen presents a sustainable and environmentally friendly solution for clean energy production and transportation. This study aims to identify the optimal profile of green hydrogen transportation risers originating from a floating offshore wind turbine (FOWT) integrated with a hydrogen production facility. Employing the Cummins equation, a fully coupled dynamic analysis for FOWT with a flexible riser was conducted, with the tower, mooring lines, and risers described using a lumped mass line model. Initially, motion response amplitude operators (RAOs) were compared with openly published results to validate the numerical model for the FOWT. Subsequently, a parametric study was conducted on the length of the buoyancy module section and the upper bare section of the riser by comparing the riser's tension and bending moment. The results indicated that as the length of the buoyancy module increases, the maximum tension of the riser decreases, while it increases with the lengthening of the bare section. Furthermore, shorter buoyancy modules are expected to experience less fatigue damage, with the length of the bare section having a relatively minor impact on this phenomenon. Consequently, to ensure safety under extreme environmental conditions, both the upper bare section and the buoyancy module section should be relatively short.

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과제정보

This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (Grant No. 2022R1G1A1003855) and supported by a grant from Tongmyong University Innovated University Research Park I-URP) funded by Busan Metropolitan City, Republic of Korea IURP2401).

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