Study On Optical Communications, Volume. 51, Issue 4, 250100(2025)
Light-weight Umbilical Cable Design
Figures & Tables(10)
Fig. 1. Light-weight umbilical and steel wire umbilical structure diagram
Fig. 2. Stress diagram for light-weight umbilical and steel wire umbilical under fracture tensile load
Fig. 3. The strain curves of light-weight umbilical cable and steel wire umbilical cable under tensile loads leading to fracture
Fig. 4. The thermal field diagram of the Light-weight umbilical and steel wire umbilical
Table 1. Comparison of technical indicators between light-weight umbilical and steel wire umbilical
View tableView in ArticleTable 1. Comparison of technical indicators between light-weight umbilical and steel wire umbilical
序号 项目 轻量化脐带缆 钢丝脐带缆 1 外径/mm 39.5 39.5 2 空气中单位重量/g/m 4 010 5 770 3 海水中单位重量/g/m 2 960 4 720 4 断裂拉伸载荷/kN 880 1 100 5 安全工作载荷/kN 220 275 6 最小弯曲半径/mm 700 700 7 无载荷静态使用水深/m 7 432 5 826
Table 2. Umbilical cable material properties
View tableView in ArticleTable 2. Umbilical cable material properties
项目 FRP 钢丝 破断强度/MPa 1 500 1 960 屈服强度/MPa 1 300 1 700 弹性模量/GPa 125 195 泊松比 0.29 0.25 密度/kg/m3 1 400 7 800 散热系数/W/m/K 0.1 50.0
Table 3. Stiffness of light-weight umbilical and steel wire umbilical
View tableView in ArticleTable 3. Stiffness of light-weight umbilical and steel wire umbilical
项目 轻量化脐带缆 钢丝脐带缆 拉伸刚度/MN 83.20 97.07 弯曲刚度/kN·m2 0.04 0.05 扭转刚度/kN·m2 2.79 3.14
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Xuechao NIU, Jianjia LU, Ziwei CHEN, Shuhong XIE, Chunfei GU, Jie SUN, Zhenzhen Chen, Bing MAO. Light-weight Umbilical Cable Design[J]. Study On Optical Communications, 2025, 51(4): 250100
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Received: Mar. 19, 2025
Accepted: --
Published Online: Sep. 8, 2025
The Author Email: Xuechao NIU (niuxc@ztt.cn)
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