Chinese Journal of Ship Research, Volume. 18, Issue 2, 243(2023)
Long marine shafting alignment and optimization considering propeller hydrodynamic force in wake field
Figures & Tables(17)
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Table 1. Computing results of propeller hydrodynamic force
View tableView in ArticleTable 1. Computing results of propeller hydrodynamic force
进速 系数J 航速 VP/(m·s−1) 轴向推力 fx /kN 横向力 fz /kN 垂向力 fy /kN 阻力矩（扭矩） Mx /(kN·m) 0.6 0.5Vh 2 483.47 106.66 216.66 2 810.64 0.8 0.67Vh 1 962.02 83.15 264.76 2 337.22 1.0 0.83Vh 1 465.18 71.27 314.23 1 917.61 1.2 Vh 897.31 82.81 397.32 1 439.73 1.3 1.08Vh 560.13 89.08 417.63 1 150.18
Table 2. Loads and material properties of each component for the long marine shafting system
View tableView in ArticleTable 2. Loads and material properties of each component for the long marine shafting system
部件 载荷形式 杨氏模量E/Pa 泊松比ν 原密度ρ0/(kg·m−3) 浮力系数 计算密度ρ/(kg·m−3) 螺旋桨 集中 1.24×1011 0.33 7 500 0.87 6 525.00 大齿轮 集中 2.00×1011 0.30 7 850 — 7 850.00 艉轴 均布 2.00×1011 0.30 7 850 0.87 6 859.50 其余轴段 均布 2.00×1011 0.30 7 850 — 7 850.00
Table 3. The state parameters of each bearing for linear alignment
View tableView in ArticleTable 3. The state parameters of each bearing for linear alignment
名称 挠度/mm 转角/rad 载荷/kN 剪应力/MPa 后艉轴承 − 1.84700 −3.240 9×10−6 368.17 2.264 9 前艉轴承 − 0.921 63 −2.134 3×10−5 184.47 1.637 4 艉轴管轴承 − 0.582 14 −1.156 9×10−6 120.63 0.976 4 1号中间轴承 − 0.289 20 −1.678 7×10−5 148.11 1.238 2 2号中间轴承 − 0.454 40 1.634 7×10−6 130.70 0.905 1 3号中间轴承 − 0.800 38 9.958 5×10−7 71.49 0.745 7 4号中间轴承 − 0.886 64 −1.056 5×10−6 92.93 0.773 1
Table 4. State parameters of each bearing in consideration of propeller hydrodynamic force
View tableView in ArticleTable 4. State parameters of each bearing in consideration of propeller hydrodynamic force
名称 挠度/mm 转角/rad 载荷/kN 剪应力/MPa 后艉轴承 − 0.806 26 3.3291×10−6 159.83 1.078 90 前艉轴承 −0.740 92 −4.867 9×10−6 148.44 0.799 23 艉轴管轴承 −0.465 52 −8.122 2×10−6 97.38 0.928 69 1号中间轴承 0.008 19 −2.694 6×10−6 158.12 1.521 70 2号中间轴承 −0.048 34 −1.406 0×10−6 99.88 0.831 32 3号中间轴承 −0.010 54 −6.081 2×10−6 107.09 0.911 37 4号中间轴承 0.004 69 −1.845 4×10−6 127.58 0.844 16
Table 5. State parameters of each bearing after alignment optimization
View tableView in ArticleTable 5. State parameters of each bearing after alignment optimization
名称 挠度/mm 转角/rad 载荷/kN 剪应力/MPa 后艉轴承 −0.812 20 1.635 7×10−5 160.99 1.110 20 前艉轴承 −0.772 36 −9.703 2×10−6 154.71 0.773 66 艉轴管轴承 −0.655 02 −7.128 8×10−6 135.16 0.800 67 1号中间轴承 −0.585 43 −7.897 1×10−6 132.72 1.190 00 2号中间轴承 −0.854 27 −1.404 9×10−5 122.32 0.923 03 3号中间轴承 −1.214 80 2.286 5×10−5 119.44 2.237 80 4号中间轴承 −2.198 40 4.423 5×10−5 156.29 3.813 20
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Zheng GU, Jinlin LIU, Ruiping ZHOU, Shiyu FANG, Rongguo ZHANG, Cunming LIN. Long marine shafting alignment and optimization considering propeller hydrodynamic force in wake field[J]. Chinese Journal of Ship Research, 2023, 18(2): 243
Paper Information
Category: Marine Machinery, Electrical Equipment and Automation
Received: Nov. 29, 2021
Accepted: --
Published Online: Mar. 20, 2025
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