Chinese Journal of Ship Research, Volume. 18, Issue 5, 207(2023)
Study on influence laws of high-skew propeller parameters on blade vibration modes
Figures & Tables(16)
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Table 1. Principal dimensions of high-skew propeller
View tableView in ArticleTable 1. Principal dimensions of high-skew propeller
参数 数值 参数 数值 直径/ mm 213.3 盘面比 0.73 叶数 7 螺距比（0.7R） 1.437 毂径比 0.22 侧斜角/ (°) 40 旋向 右旋 纵倾角/ (°) −1
Table 2. Comparison of the first-order natural frequency between the experimental and calculation results of high-skew propeller
View tableView in ArticleTable 2. Comparison of the first-order natural frequency between the experimental and calculation results of high-skew propeller
介质环境 计算值/Hz 试验值/Hz 误差/% 空气 784.5 763 2.83 水 586.7 570 2.98
Table 3. Calculation results of the blade's first three natural frequencies in water for all schemes
View tableView in ArticleTable 3. Calculation results of the blade's first three natural frequencies in water for all schemes
方案 设计参数 变化率/% 前3阶固有频率/Hz 较基准方案固有频率的变化率/% 一阶 二阶 三阶 一阶 二阶 三阶 F0 0 586.7 1 125.0 2457.7 0 0 0 F1 10.0 641.4 1 235.9 2 649.7 9.3 9.9 7.8 F2 20.0 696.1 1 344.3 2 825.0 18.6 19.5 14.9 F3 10.0 626.6 1 215.3 2 561.8 6.8 8.0 4.2 F4 10.0 600.8 1 153.6 2 556.0 2.4 2.5 4.0 F5 −10.0 576.6 1 126.4 2 448.3 −1.7 0.1 −0.4 F6 10.0 602.9 1 136.4 2 474.8 2.8 1.0 0.7 F7 −25.0 660.9 1 409.7 2 952.1 12.6 25.3 20.1 F8 25.0 482.1 987.2 1 980.3 −17.8 −12.2 −19.4 F9 −13.5 534.2 1 279.2 2 648.0 −9.0 13.7 7.7 F10 13.5 616.0 1 001.2 2 116.8 5.0 −11.0 −13.9 F11 200.0 583.7 1 122.0 2 372.9 −0.5 −0.3 −3.5 F12 400.0 589.9 1 109.8 2 262.8 0.5 −1.4 −7.9 F13 −22.7 563.5 1 024.8 2 263.0 −4.0 −8.9 −7.9 F14 22.7 609.8 1 235.7 2 669.6 3.9 9.8 8.6
Table 4. Calculation results of attenuation coefficients of the blade's first three natural frequencies in water for all schemes
View tableView in ArticleTable 4. Calculation results of attenuation coefficients of the blade's first three natural frequencies in water for all schemes
方案 前3阶固有频率/Hz 衰减系数 一阶 二阶 三阶 水中 空气中 水中 空气中 水中 空气中 一阶 二阶 三阶 F0 586.7 784.6 1 125.0 1 404.0 2 457.7 3 010.0 0.252 0.199 0.183 F1 641.4 841.9 1 235.9 1 514.2 2 649.7 3161.8 0.238 0.184 0.162 F2 696.1 898.0 1 344.3 1 619.9 2 825.0 3 275.7 0.225 0.170 0.138 F3 626.6 840.0 1 215.3 1 508.5 2 561.8 3 116.8 0.254 0.194 0.178 F4 600.8 782.9 1 153.6 1 415.8 2 556.0 3 070.5 0.233 0.185 0.168 F5 576.6 756.0 1 126.4 1 380.1 2 448.3 2 920.6 0.237 0.184 0.162 F6 602.9 817.4 1 136.4 1 437.9 2 474.8 3 075.0 0.262 0.210 0.195 F7 660.9 885.3 1 409.7 1 804.7 2 952.1 3 443.7 0.253 0.219 0.143 F8 482.1 635.1 987.2 1 192.6 1 980.3 2 291.3 0.241 0.172 0.136 F9 534.2 734.8 1 279.2 1 542.8 2 648.0 3 070.9 0.273 0.171 0.138 F10 616.0 807.1 1 001.2 1 273.8 2 116.8 2 668.9 0.237 0.214 0.207 F11 583.7 783.2 1 122.0 1 388.8 2 372.9 2 931.3 0.255 0.192 0.190 F12 589.9 811.6 1 109.8 1 396.9 2 262.8 2 882.7 0.273 0.206 0.215 F13 563.5 747.5 1 024.8 1 279.6 2 263.0 2 717.5 0.246 0.199 0.167 F14 609.8 818.6 1 235.7 1 539.2 2 669.6 3 263.4 0.255 0.197 0.182
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Liang LI, Jiang LYU, Yingbo XU, Yiming QIANG, Yihong CHEN. Study on influence laws of high-skew propeller parameters on blade vibration modes[J]. Chinese Journal of Ship Research, 2023, 18(5): 207
Paper Information
Category: Ship Structure and Fittings
Received: Feb. 16, 2022
Accepted: --
Published Online: Mar. 21, 2025
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