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Hydrodynamic study of an anti-sloshing technique using floating foams

机译：使用浮动泡沫的防晃动技术的流体动力学研究

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摘要

Hydrodynamics of an anti-sloshing technique using floating foams in a rectangular liquid tank is investigated. A series of experiments are conducted. An analytical potential-flow solution is derived to help explain the experimental observations. Effects of various layers of floating foams on both the wave profiles and dynamic pressure histories in sloshing tanks are analyzed. It shows that even a single layer of floating foams can help reduce the sloshing amplitude due to energy dissipation. If multiple layers of floating foams are further applied, the sloshing amplitude can be further reduced. The amplitude of dynamic pressure in the tank is also found to decrease as the number of foam layers increases. Besides, anti-sloshing effects of floating foams in tanks of different depths are discussed. Floating foams are found to work more efficiently for larger amplitude sloshing waves.
机译：研究了在矩形液体罐中使用浮动泡沫的防晃动技术的流体动力学。进行了一系列实验。导出了分析势流解决方案以帮助解释实验观察结果。分析了各层浮动泡沫对晃荡罐内波型和动压历史的影响。结果表明，即使是单层的浮动泡沫，也可以帮助降低由于能量耗散而引起的晃动幅度。如果进一步施加多层漂浮泡沫，则可以进一步减小晃动幅度。还发现，随着泡沫层数的增加，储罐中动压的幅度也会降低。此外，还讨论了漂浮泡沫在不同深度的储罐中的防晃动作用。发现浮动泡沫对于较大幅度的晃动波更有效地工作。

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  • 来源
    《Ocean Engineering》 |2019年第1期|62-70|共9页
  • 作者

    Zhang Chongwei; Su Peng; Ning Dezhi;

  • 作者单位

    Dalian Univ Technol, State Key Lab Coastal & Offshore Engn, Dalian 116024, Peoples R China;

    Dalian Univ Technol, State Key Lab Coastal & Offshore Engn, Dalian 116024, Peoples R China;

    Dalian Univ Technol, State Key Lab Coastal & Offshore Engn, Dalian 116024, Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Anti-Sloshing; Sloshing; Floating foam; Potential flow; Liquid tank;

    机译：防晃荡;晃荡;漂浮泡沫;势能流;液罐;

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