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Experimental study on liquid-sloshing suppression by bulkhead structures
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Li-min SHEN1a, Zhi-jun WEI1b, Zhi-mei LU2, 3, Shun-ying JI1c, Da-yong ZHANG4
Journal of Ship Mechanics | 2025, 29(1) : 31 - 40
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Journal of Ship Mechanics | 2025, 29(1): 31-40
• Hydrodynamics •
Experimental study on liquid-sloshing suppression by bulkhead structures
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Li-min SHEN1a, Zhi-jun WEI1b, Zhi-mei LU2, 3, Shun-ying JI1c, Da-yong ZHANG4
Affiliations
  • 1a.Faculty of Vehicle Engineering and Mechanics, Dalian University of Technology, Dalian 116024, China
  • 1b.State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116024, China
  • 1c.National Key Laboratory of Industrial Equipment Structure Analysis and Optimization and CAE Software, Dalian University of Technology, Dalian 116024, China
  • 2.Shanghai Key Laboratory of Ship Engineering, Shanghai 200011, China
  • 3.Marine Design and Research Institute of China, Shanghai 200011, China
  • 4.School of Ocean Science and Technology, Dalian University of Technology, Panjin 114221, China
Published: 2025-01-20 doi: 10.3969/j.issn.1007-7294.2025.01.004
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Liquid sloshing load is one of the key loads for the structural design of tank in Liquefied Natural Gas (LNG) carrying vehicle. When the sloshing load is too large, it will lead to local damage of the tank structure, which will cause liquid leakage and even the overturning of LNG vehicle. In this paper, based on the previous numerical results, two kinds of wall structures, i.e. trapezoid and square, were proposed. Liquid sloshing in tanks with different wall structures was experimentally studied. For the free-surface evolution and the distribution characteristics of impact load, with the help of statistical analysis, the effectiveness of wall structures in suppressing liquid sloshing was qualitatively and quantitatively analyzed. The results show that the presence of wall structures has changed the flow field. And instead of direct impact by water, an indirect impact by gas-containing liguid occurs. During the sloshing and impact of air-containing liquid, a large number of air-liquid mixtures and bubbles are generated, effectively reducing the impact load. Furthermore, the square wall structure is better than the trapezoidal wall structure for suppressing impact load.

liquid sloshing  /  anti-sloshing structure  /  impact load  /  experimental study  /  statistical analysis
Li-min SHEN, Zhi-jun WEI, Zhi-mei LU, Shun-ying JI, Da-yong ZHANG. Experimental study on liquid-sloshing suppression by bulkhead structures[J]. Journal of Ship Mechanics, 2025 , 29 (1) : 31 -40 . DOI: 10.3969/j.issn.1007-7294.2025.01.004
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Year 2025 volume 29 Issue 1
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Article Info
doi: 10.3969/j.issn.1007-7294.2025.01.004
  • Receive Date：2024-07-27
  • Online Date：2026-03-24
  • Published：2025-01-20
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  • Received：2024-07-27
Funding
Affiliations
    1a.Faculty of Vehicle Engineering and Mechanics, Dalian University of Technology, Dalian 116024, China
    1b.State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116024, China
    1c.National Key Laboratory of Industrial Equipment Structure Analysis and Optimization and CAE Software, Dalian University of Technology, Dalian 116024, China
    2.Shanghai Key Laboratory of Ship Engineering, Shanghai 200011, China
    3.Marine Design and Research Institute of China, Shanghai 200011, China
    4.School of Ocean Science and Technology, Dalian University of Technology, Panjin 114221, 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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