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悬链式单点系泊浮筒主尺度可行域研究

孙强 彭东升 张义明 董庆辉 岳前进 吴峰 阎军 钟万勰

孙强,彭东升,张义明,董庆辉,岳前进,吴峰,阎军,钟万勰. 悬链式单点系泊浮筒主尺度可行域研究 [J]. 应用数学和力学,2022,43(3):281-289 doi: 10.21656/1000-0887.420115
引用本文: 孙强,彭东升,张义明,董庆辉,岳前进,吴峰,阎军,钟万勰. 悬链式单点系泊浮筒主尺度可行域研究 [J]. 应用数学和力学,2022,43(3):281-289 doi: 10.21656/1000-0887.420115
SUN Qiang, PENG Dongsheng, ZHANG Yiming, DONG Qinghui, YUE Qianjin, WU Feng, YAN Jun, ZHONG Wanxie. Feasible Region Study on Main Dimensions of CALM Buoys[J]. Applied Mathematics and Mechanics, 2022, 43(3): 281-289. doi: 10.21656/1000-0887.420115
Citation: SUN Qiang, PENG Dongsheng, ZHANG Yiming, DONG Qinghui, YUE Qianjin, WU Feng, YAN Jun, ZHONG Wanxie. Feasible Region Study on Main Dimensions of CALM Buoys[J]. Applied Mathematics and Mechanics, 2022, 43(3): 281-289. doi: 10.21656/1000-0887.420115

悬链式单点系泊浮筒主尺度可行域研究

doi: 10.21656/1000-0887.420115
基金项目: 国家重点研发计划深海关键技术与装备重点专项(2017YFC0307800-02);国家海洋工程装备研发及产业化专项(船重科[2014]735号)
详细信息
    作者简介:

    孙强(1986—),男,高级工程师,博士生(E-mail:sunqiang_0217@163.com

    阎军(1978—),男,教授,博士生导师(通讯作者. E-mail:yanjun@dlut.edu.cn

  • 中图分类号: TE53

Feasible Region Study on Main Dimensions of CALM Buoys

  • 摘要:

    为了能够设计合理的单点浮筒主尺度,归纳提出了悬链式单点浮筒5条主要设计原则。基于实际工程经验给出了浮筒重量的母型预估方法,探讨储备浮力,提出等干舷方案集,基于静力学原理和水动力分析探讨了浮筒的自由漂浮稳性及浮筒的运动响应,梳理了垂荡及摇摆随浮筒直径的变化规律。以25 m和100 m水深的浮筒直径上限和下限为边界建立可行域,分别以三个实际项目采纳的浮筒直径和45 m水深下单点浮筒直径的可行范围为参考,开展浮筒直径可行域的验证。研究表明:环境条件等不同因素也会引起相同水深下浮筒直径可行域的变化,因此在可行域的实际应用中应进一步考虑一定的偏差裕量。该文的可行域研究对于悬链式单点浮筒的主尺度确定具有积极的指导意义。

  • 图  1  悬链式单点系泊系统

    Figure  1.  Catenary anchor leg mooring system

    图  2  浮筒干舷

    Figure  2.  The CALM buoy freeboard

    图  3  单点浮筒稳性

    Figure  3.  The CALM buoy stability

    图  4  单点浮筒垂荡

    Figure  4.  The CALM buoy heave

    图  5  单点浮筒摇摆

    Figure  5.  The CALM buoy roll & pitch

    图  6  装置浮筒水动力模型

    Figure  6.  The CALM buoy hydrodynamic model

    图  7  浮筒直径的可行域

    Figure  7.  The CALM buoy diameter feasible field

    表  1  环境条件

    Table  1.   Environmental conditions

    parameterunitproject 1project 2project 3
    operating conditionstandalone conditionoperating conditionstandalone conditionoperating conditionstandalone condition
    $ {H}_{\mathrm{s}} $m2.562.63.9313
    $ {T}_{\mathrm{p}} $s7.110.37.58.59.214.7
    $ {V}_{\mathrm{w}} $m/s17.128.3222623.641.6
    $ {V}_{\mathrm{c}} $m/s1.21.730.70.81.222.1
    下载: 导出CSV

    表  2  油轮参数

    Table  2.   Tanker parameters

    parameterunitfull loadingballast
    $ T $m22.69.937
    $\varDelta$kg3.671 2E+81.438 3E+8
    $ {X}_{\mathrm{c}\mathrm{o}\mathrm{g}} $m170.18171.04
    $ {Y}_{\mathrm{c}\mathrm{o}\mathrm{g}} $m00
    $ {Z}_{\mathrm{c}\mathrm{o}\mathrm{g}} $m17.311.62
    $ {I}_{xx} $kg·m28.26E+106.564E+10
    $ {I}_{yy} $kg·m22.35E+129.53E+11
    $ {I}_{zz} $kg·m22.35E+129.53E+11
    下载: 导出CSV

    表  3  等干舷方案浮筒型深

    Table  3.   Buoy depths with equal freeboards

    D/mbuoy depth with equal freeboard $ {W}_{\mathrm{F}\mathrm{B}} $/m
    $ {W}_{\mathrm{D}} $=25 m$ {W}_{\mathrm{D}} $=45 m$ {W}_{\mathrm{D}} $=100 m
    106.447.1613.62
    115.776.2911.85
    125.305.6710.54
    134.955.219.55
    144.694.858.76
    154.484.578.14
    164.314.347.63
    174.174.157.20
    184.053.996.85
    下载: 导出CSV

    表  4  浮筒初稳心高$ {H}_{\overline{GM}} $

    Table  4.   Buoy initial metacentric heights

    D/mbuoy initial metacentric height $ {H}_{\overline{GM}} $/m
    $ {W}_{\mathrm{D}} $=25 m$ {W}_{\mathrm{D}} $=45 m$ {W}_{\mathrm{D}} $=100 m
    10−0.51−1.66−5.17
    110.38−0.70−3.89
    121.370.36−2.70
    132.481.57−1.55
    143.722.93−0.38
    155.074.470.83
    165.656.212.10
    178.188.143.43
    189.9310.294.85
    下载: 导出CSV

    表  5  浮筒横摇固有周期

    Table  5.   Buoy roll natural periods

    $ D $/mbuoy roll natural period $ {T}_{\mathrm{n}} $/s
    $ {W}_{\mathrm{D}} $=25 m$ {W}_{\mathrm{D}} $=45 m$ {W}_{\mathrm{D}} $=100 m
    10
    1114.97
    128.4217.10
    136.858.70
    146.136.95
    155.766.1715.26
    165.505.719.48
    175.385.457.85
    185.295.276.82
    下载: 导出CSV

    表  6  可行域偏差验证(45 m水深)

    Table  6.   Feasible area difference verification (water depth 45 m)

    itemfeasible region
    Rfeasible/m
    verified feasible region Rverified-feasible/mdifference δ/%
    diameter upper limit13.1312.852.14
    diameter lower limit11.7311.660.63
    下载: 导出CSV
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出版历程
  • 收稿日期:  2021-04-28
  • 录用日期:  2021-04-08
  • 修回日期:  2022-01-07
  • 网络出版日期:  2022-02-16
  • 刊出日期:  2022-03-08

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