Hydrodynamic Analysis of a Novel Modular Floating Structure System Integrated with Floating Artificial Reefs and Wave Energy Converters
A novel modular floating structure (MFS) system moored by tension legs was proposed, which is composed of hexagonal floating modules, floating artificial reefs and wave energy converters (WECs). The integration of floating artificial reefs and WECs into the MFS can improve the marine environment and...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-08-01
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| Series: | Journal of Marine Science and Engineering |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2077-1312/10/8/1091 |
| _version_ | 1797444249359220736 |
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| author | Yanwei Li Nianxin Ren Xiang Li Jinping Ou |
| author_facet | Yanwei Li Nianxin Ren Xiang Li Jinping Ou |
| author_sort | Yanwei Li |
| collection | DOAJ |
| description | A novel modular floating structure (MFS) system moored by tension legs was proposed, which is composed of hexagonal floating modules, floating artificial reefs and wave energy converters (WECs). The integration of floating artificial reefs and WECs into the MFS can improve the marine environment and produce considerable electricity. The effects of both wave characteristics and the module quantity on the hydrodynamic responses of the MFS system were studied in depth, based on a time-domain numerical model. Both the modules’ hydrodynamic interaction effect and the connectors’ mechanical coupling effect were considered. The results indicate that floating artificial reefs combined with WECs can effectively reduce wave loads and convert wave energy into electricity for the MFS system. More modules involved in the MFS system could significantly reduce motion response and produced more wave energy output, which indicates that the MFS system is suitable for large-scale expansion. The effect of different power take-off (PTO) damping coefficients on the WECs’ performance was further investigated, and the optimal damping coefficient was recommended for the MFS system. Finally, the main extreme responses of the MFS system were further investigated, and its safety was checked thoroughly. One survival strategy was proposed, which could efficiently reduce extreme connector loads by more than 50%. |
| first_indexed | 2024-03-09T13:09:53Z |
| format | Article |
| id | doaj.art-ab8bb9f92b8849cc95fa0fe36a293254 |
| institution | Directory Open Access Journal |
| issn | 2077-1312 |
| language | English |
| last_indexed | 2024-03-09T13:09:53Z |
| publishDate | 2022-08-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Journal of Marine Science and Engineering |
| spelling | doaj.art-ab8bb9f92b8849cc95fa0fe36a2932542023-11-30T21:43:47ZengMDPI AGJournal of Marine Science and Engineering2077-13122022-08-01108109110.3390/jmse10081091Hydrodynamic Analysis of a Novel Modular Floating Structure System Integrated with Floating Artificial Reefs and Wave Energy ConvertersYanwei Li0Nianxin Ren1Xiang Li2Jinping Ou3School of Civil and Architectural Engineering, Hainan University, Haikou 570228, ChinaSchool of Civil and Architectural Engineering, Hainan University, Haikou 570228, ChinaSchool of Civil and Architectural Engineering, Hainan University, Haikou 570228, ChinaSchool of Civil and Environmental Engineering, Harbin Institute of Technology, Shenzhen 518055, ChinaA novel modular floating structure (MFS) system moored by tension legs was proposed, which is composed of hexagonal floating modules, floating artificial reefs and wave energy converters (WECs). The integration of floating artificial reefs and WECs into the MFS can improve the marine environment and produce considerable electricity. The effects of both wave characteristics and the module quantity on the hydrodynamic responses of the MFS system were studied in depth, based on a time-domain numerical model. Both the modules’ hydrodynamic interaction effect and the connectors’ mechanical coupling effect were considered. The results indicate that floating artificial reefs combined with WECs can effectively reduce wave loads and convert wave energy into electricity for the MFS system. More modules involved in the MFS system could significantly reduce motion response and produced more wave energy output, which indicates that the MFS system is suitable for large-scale expansion. The effect of different power take-off (PTO) damping coefficients on the WECs’ performance was further investigated, and the optimal damping coefficient was recommended for the MFS system. Finally, the main extreme responses of the MFS system were further investigated, and its safety was checked thoroughly. One survival strategy was proposed, which could efficiently reduce extreme connector loads by more than 50%.https://www.mdpi.com/2077-1312/10/8/1091wave-structure hydrodynamic interactionmodular floating structurewave energy convertersfloating artificial reefshexagonal tension-leg platform |
| spellingShingle | Yanwei Li Nianxin Ren Xiang Li Jinping Ou Hydrodynamic Analysis of a Novel Modular Floating Structure System Integrated with Floating Artificial Reefs and Wave Energy Converters Journal of Marine Science and Engineering wave-structure hydrodynamic interaction modular floating structure wave energy converters floating artificial reefs hexagonal tension-leg platform |
| title | Hydrodynamic Analysis of a Novel Modular Floating Structure System Integrated with Floating Artificial Reefs and Wave Energy Converters |
| title_full | Hydrodynamic Analysis of a Novel Modular Floating Structure System Integrated with Floating Artificial Reefs and Wave Energy Converters |
| title_fullStr | Hydrodynamic Analysis of a Novel Modular Floating Structure System Integrated with Floating Artificial Reefs and Wave Energy Converters |
| title_full_unstemmed | Hydrodynamic Analysis of a Novel Modular Floating Structure System Integrated with Floating Artificial Reefs and Wave Energy Converters |
| title_short | Hydrodynamic Analysis of a Novel Modular Floating Structure System Integrated with Floating Artificial Reefs and Wave Energy Converters |
| title_sort | hydrodynamic analysis of a novel modular floating structure system integrated with floating artificial reefs and wave energy converters |
| topic | wave-structure hydrodynamic interaction modular floating structure wave energy converters floating artificial reefs hexagonal tension-leg platform |
| url | https://www.mdpi.com/2077-1312/10/8/1091 |
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