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Design and experiment of a series connection floating two-body direct-drive wave energy generation system
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Chuan Liu1, Jie Wang1, Xuefeng Li2, Renwen Chen2, Shilong Liu1, Weigen Miao1
Renewable Energy Resources | 2024, 42(1) : 136 - 142
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Renewable Energy Resources | 2024, 42(1): 136-142
Design and experiment of a series connection floating two-body direct-drive wave energy generation system
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Chuan Liu1, Jie Wang1, Xuefeng Li2, Renwen Chen2, Shilong Liu1, Weigen Miao1
Affiliations
  • 1 The 32nd Research Institute of China Electronics Technology Group Co. Ltd. Shanghai 201808 China
  • 2 College of Aerospace Engineering Nanjing University of Aeronautics and Astronautics Nanjing 210016 China
Published: 2024-01-20
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Considering the inconvenient installation and the poor ability to capture wave energy in the traditional directdrive wave energy converter (DDWEC), a series connection floating twobody DDWEC is proposed in this paper. Two rectangular bodies of the WEC float horizontally in the waves bodies and both capture the wave energy. The primary and secondary of the Halbach array permanent magnet linear generator(HPMLG) are respectively installed on the lateral surface between the two floating bodies. Because both floating bodies capture wave energy, the ability of the WEC to capture wave energy is improved, and the structure of the WEC is simple and easy to manufacture and maintain. Then, the prototype of the twobody DDWEC is manufactured and tested in the wave tank in this paper. The experimental results show that in the case with the wave height of 16 cm and the draft of 16 cm, the average generated power of the prototype reaches the maximum value of 6.54 W at the wave period of 1.8 s, when the wave period ranges from 1.2 s to 2.4 s. Finally, the twobody DDWEC prototype is compared with the singlebody DDWEC prototype. The results show that the average power output of the twobody DDWEC prototype is always higher than that of the singlebody DDWEC prototype in a large range of wave period.

two-body  /  DD-WEC  /  HPMLG  /  wave energy capture  /  average generated power
Chuan Liu, Jie Wang, Xuefeng Li, Renwen Chen, Shilong Liu, Weigen Miao. Design and experiment of a series connection floating two-body direct-drive wave energy generation system[J]. Renewable Energy Resources, 2024 , 42 (1) : 136 -142 .
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Article Info
  • Receive Date：2022-04-19
  • Online Date：2025-07-22
  • Published：2024-01-20
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  • Received：2022-04-19
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Affiliations
    1 The 32nd Research Institute of China Electronics Technology Group Co. Ltd. Shanghai 201808 China
    2 College of Aerospace Engineering Nanjing University of Aeronautics and Astronautics Nanjing 210016 China
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表12种不同金属材料的力学参数
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Number of
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Number of
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小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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