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Safe Tug Operations during Ship-Assist Manoeuvres

机译：助航演习中的安全拖轮操作

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摘要

The hydrodynamic interaction effects on a tug operating in close proximity to a larger vessel can result in dangerous situations for the tug. To date most studies have focussed on the interaction effects between the vessels when they are operating in parallel, which represent only one of many practical ship-assist manoeuvres. It is therefore necessary to investigate a wide range of tug-ship combinations to obtain a detailed understanding of these effects. This paper discusses the hydrodynamic interaction effects on a tug operating at various relative positions and drift angles to a larger ship, both moving together at the same forward speed. The hydrodynamic effects were determined using Computational Fluid Dynamics (CFD) simulations that were validated using captive model test data. The range of manoeuvres discussed in this paper provides a comprehensive overview of the hydrodynamic interaction effects on a tug enabling tug operators to identify safe operating envelopes for their vessels.
机译：紧靠较大船只操作的拖船的流体动力相互作用可能会导致拖船出现危险情况。迄今为止，大多数研究都集中在船舶并行运行时的相互作用之间，这仅代表了许多实际的船舶辅助操作中的一种。因此，有必要研究各种拖船组合以获得对这些影响的详细了解。本文讨论了在拖船上的水动力相互作用的影响，拖船在较大的船上以不同的相对位置和漂移角运行，两者以相同的前进速度共同移动。使用计算流体动力学（CFD）模拟确定流体动力学效应，并使用俘获模型测试数据进行验证。本文讨论的操纵范围全面概述了拖船上的流体动力相互作用，使拖船操作员能够确定其船只的安全工作范围。

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  • 来源
    《The Journal of Navigation》 |2019年第3期|813-831|共19页
  • 作者

    Jayarathne Nirman; Ranmuthugala Dev; Leong Zhi;

  • 作者单位

    Univ Tasmania, Australian Maritime Coll, Natl Ctr Ports & Shipping, 1 Newnham Dr Launceston, Launceston, Tas 7248, Australia;

    Univ Tasmania, Australian Maritime Coll, Natl Ctr Maritime Engn & Hydrodynam, Launceston, Tas, Australia;

    Univ Tasmania, Australian Maritime Coll, Natl Ctr Maritime Engn & Hydrodynam, Launceston, Tas, Australia;

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

    Tugs; Interaction; Safety;

    机译：拖轮;互动;安全;

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