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Suppression of cylindrical vortex induced vibration by control rods and forced rotation
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Wei CHEN1a, Bing-wen LIU1b, Jia-rui LIU1a, Kun WANG1b, Yan-xu BAO1b, Guo-qiang TANG2, Xiao-bin LI1a
Journal of Ship Mechanics | 2024, 28(5) : 705 - 715
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Journal of Ship Mechanics | 2024, 28(5): 705-715
• Hydrodynamics •
Suppression of cylindrical vortex induced vibration by control rods and forced rotation
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Wei CHEN1a, Bing-wen LIU1b, Jia-rui LIU1a, Kun WANG1b, Yan-xu BAO1b, Guo-qiang TANG2, Xiao-bin LI1a
Affiliations
  • 1a.School of Naval Architecture, Ocean and Energy Power Engineering, Wuhan University of Technology, Wuhan 430063, China
  • 1b.School of Science, Wuhan University of Technology, Wuhan 430063, China
  • 2.State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116023, China
Published: 2024-05-20 doi: 10.3969/j.issn.1007-7294.2024.05.007
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To effectively suppress cylindrical vortex induced vibration (VIV), the suppression of cylindrical VIV based on the combined control rod-forced rotation structure was discussed in this paper. Numerical simulations of the cylindrical VIV at low Reynolds number were carried out for comparison and analysis of the flow characteristics, vibration response and hydrodynamic response under different numbers of control rods and rotation rates of the cylinder. The results show that compared with the bare cylinder, the control rods have a positive effect on VIV suppression. For three and five control rods, up to 98% of the cylindrical amplitude suppression can be achieved by adjusting the rotation rate (three control rods, rotation rate 0.4-0.6; five control rods, rotation rate 0-0.2). The amplitude suppression range of the cylinder is identical to the drag reduction range of the cylinder. For the four and six control rods, the effect of rotation on amplitude suppression is small. Vortex shedding on the main cylindrical surface and vortex merging will cause high amplitude fluctuations in the fluid force coefficients, resulting in a high cylindrical amplitude response. For the cylindrical surface with no vortex merging and insignificant vortex shedding, there are no significant fluctuations in the fluid force coefficients and the cylindrical amplitude is significantly reduced.

vortex-induced vibration  /  cylinder  /  control rod  /  fluid-solid coupling  /  rotation
Wei CHEN, Bing-wen LIU, Jia-rui LIU, Kun WANG, Yan-xu BAO, Guo-qiang TANG, Xiao-bin LI. Suppression of cylindrical vortex induced vibration by control rods and forced rotation[J]. Journal of Ship Mechanics, 2024 , 28 (5) : 705 -715 . DOI: 10.3969/j.issn.1007-7294.2024.05.007
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Article Info
doi: 10.3969/j.issn.1007-7294.2024.05.007
  • Receive Date：2023-11-23
  • Online Date：2026-03-21
  • Published：2024-05-20
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  • Received：2023-11-23
Funding
Affiliations
    1a.School of Naval Architecture, Ocean and Energy Power Engineering, Wuhan University of Technology, Wuhan 430063, China
    1b.School of Science, Wuhan University of Technology, Wuhan 430063, China
    2.State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116023, China
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表12种不同金属材料的力学参数
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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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