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Dynamic analysis of launch & recovery system of seafloor drill under irregular waves

机译：不规则波浪作用下海底钻具发射与回收系统的动力学分析

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摘要

Based on the launch & recovery system of a seafloor drill, the nonlinear coupling mechanism among the movement of the ship, the umbilical cable, and the seafloor drill caused by irregular waves is investigated, and the dynamic model that considers the influence of the seawater resistance for launch & recovery system of seafloor drill is established in this paper. Under different sea state conditions, the movement of the seafloor drill and the tension of the umbilical cable are calculated and analyzed for the seafloor drill before entering water and at different water depths. The research results showed that there are significant differences in the movement of the seafloor drill and the tension of the umbilical cable for different stages. The seawater resistance has obvious inhibition effect on reducing the erratic fluctuation of the movement of the seafloor drill and the tension of the umbilical cable. The analysis results can provide theoretical guidance for the studying of heave compensation and the constant tension automatic control of the Umbilical cable. (C) 2016 Elsevier Ltd. All rights reserved.
机译：基于海底钻具的发射与回收系统，研究了船舶运动，脐带缆与海底钻具之间由不规则波浪引起的非线性耦合机理，并考虑了海水阻力的动力学模型。建立了海底钻具的发射与回收系统。在不同的海况条件下，针对入水之前和处于不同水深的海底钻头，计算并分析了海底钻头的运动和脐带缆线的张力。研究结果表明，在不同阶段，海底钻头的运动和脐带缆线的张力存在显着差异。耐海水性具有明显的抑制作用，可减少海底钻具运动的不规则波动和脐带缆线的张力。分析结果可为缆索的胀沉补偿和恒张力自动控制的研究提供理论指导。 （C）2016 Elsevier Ltd.保留所有权利。

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  • 来源
    《Ocean Engineering》 |2016年第1期|321-331|共11页
  • 作者

    Jin Yongping; Wan Buyan; Liu Deshun; Peng Youduo; Guo Yong;

  • 作者单位

    Cent S Univ, Coll Mech & Elect Engn, Changsha, Hunan, Peoples R China|Hunan Univ Sci & Technol, Minist Educ, Engn Res Ctr Adv Min Equipment, Xiangtan 411201, Peoples R China;

    Hunan Univ Sci & Technol, Minist Educ, Engn Res Ctr Adv Min Equipment, Xiangtan 411201, Peoples R China;

    Hunan Univ Sci & Technol, Minist Educ, Engn Res Ctr Adv Min Equipment, Xiangtan 411201, Peoples R China;

    Hunan Univ Sci & Technol, Minist Educ, Engn Res Ctr Adv Min Equipment, Xiangtan 411201, Peoples R China;

    Hunan Univ Sci & Technol, Minist Educ, Engn Res Ctr Adv Min Equipment, Xiangtan 411201, Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Seafloor drill; Launch recovery system; Dynamic; The tension of the umbilical cable;

    机译：海底钻机;发射和回收系统;动态;脐带缆线的张力;

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