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Analysis and study of 3D effects on spring hydrofoil mechanism of wave gliders
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Xiu-jun SUN1, 2, Si-yuan MA1, Can LI3, Hong-qiang SANG4, Jing-cheng LIU5
Journal of Ship Mechanics | 2024, 28(4) : 527 - 540
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Journal of Ship Mechanics | 2024, 28(4): 527-540
• Hydrodynamics •
Analysis and study of 3D effects on spring hydrofoil mechanism of wave gliders
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Xiu-jun SUN1, 2, Si-yuan MA1, Can LI3, Hong-qiang SANG4, Jing-cheng LIU5
Affiliations
  • 1.School of Mechanical Engineering, Hebei University of Technology, Tianjin 300401, China
  • 2.Physical Oceanography Laboratory, Ocean University of China, Qingdao 266100, China
  • 3.Institute for Advanced Ocean Studies, Ocean University of China, Qingdao 266100, China
  • 4.School of Mechanical Engineering, Tiangong University, Tianjin 300387, China
  • 5.Tsingtao Hydro Technology Co., Ltd., Qingdao 266200, China
Published: 2024-04-20 doi: 10.3969/j.issn.1007-7294.2024.04.005
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In order to evaluate the 3D effects of wave glider spring hydrofoil mechanism in waves on its dynamic performance, a numerical computational model of the wave glider spring hydrofoil mechanism was developed. Based on the overset mesh technology, the dynamic performance between 2D and 3D hydrofoils was analyzed and studied by using CFD FLUENT software. The results show that due to the limited span of the 3D hydrofoil, the tip vortex phenomenon is generated at the wing tip, resulting in reduced hydrofoil dynamic performance, and that the forward propulsion efficiency of the 3D hydrofoil is reduced by 22.1% compared with that of the 2D hydrofoil. Then, the bionic principle was used to design the wave glider bionic hydrofoil. It is found that the bionic hydrofoil reduces the loss of hydrofoil power performance by the tip vortex, while the forward thrust of the bionic hydrofoil is increased by 17.6% and the efficiency by 10.4% compared with the 3D hydrofoil of the same spreading chord ratio. Finally, the experimental comparison shows that the CFD simulation data and the experimental data have the same trend, and the reliability of the CFD simulation model is verified.

wave glider  /  spring hydrofoil mechanism  /  3D effect  /  bionic hydrofoil  /  dynamical performance
Xiu-jun SUN, Si-yuan MA, Can LI, Hong-qiang SANG, Jing-cheng LIU. Analysis and study of 3D effects on spring hydrofoil mechanism of wave gliders[J]. Journal of Ship Mechanics, 2024 , 28 (4) : 527 -540 . DOI: 10.3969/j.issn.1007-7294.2024.04.005
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Article Info
doi: 10.3969/j.issn.1007-7294.2024.04.005
  • Receive Date：2023-11-30
  • Online Date：2026-03-21
  • Published：2024-04-20
Article Data
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  • Received：2023-11-30
Funding
Affiliations
    1.School of Mechanical Engineering, Hebei University of Technology, Tianjin 300401, China
    2.Physical Oceanography Laboratory, Ocean University of China, Qingdao 266100, China
    3.Institute for Advanced Ocean Studies, Ocean University of China, Qingdao 266100, China
    4.School of Mechanical Engineering, Tiangong University, Tianjin 300387, China
    5.Tsingtao Hydro Technology Co., Ltd., Qingdao 266200, China
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https://castjournals.cast.org.cn/joweb/cblx/EN/10.3969/j.issn.1007-7294.2024.04.005
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表12种不同金属材料的力学参数
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
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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