Chinese Journal of Ship Research, Volume. 18, Issue 4, 186(2023)
Numerical study on hydrodynamic performance of ducted propeller based on improved body force model
Figures & Tables(18)
![[in Chinese]](/Images/icon/loading.gif){kind=icon}
Table 1. Main parameters of ducted propeller and revolution body
View tableView in ArticleTable 1. Main parameters of ducted propeller and revolution body
参数 数值 参数 数值 螺旋桨直径D/mm 47.30 回转体直径d/mm 94.60 螺距比P/D 1 回转体首部长a/mm 94.60 毂径比 0.18 回转体平行中体长b/mm 252.26 桨叶数 4 回转体尾部长c/mm 157.16 导管长度/mm 23.65 回转体尾部离去角 $ \theta $ /(°)40
Table 2. Verification of thrust calculation method for the ducted propeller
View tableView in ArticleTable 2. Verification of thrust calculation method for the ducted propeller
进速系数J 推力系数仿真值 试验值 相对误差/% 网格1（109万） 网格2（160万） 网格3（194万） 网格1 网格2 网格3 螺旋桨推力系数 0.1 0.247 6 0.252 6 0.253 2 0.252 4 −1.892 0.053 0.287 0.3 0.224 5 0.229 5 0.230 1 0.234 6 −4.301 −2.196 −1.940 0.6 0.153 7 0.161 2 0.162 1 0.166 3 −7.591 −3.089 −2.548 导管推力系数 0.1 0.189 8 0.202 9 0.2029 0.214 8 −11.610 −5.550 −5.543 0.3 0.100 1 0.110 6 0.111 3 0.125 7 −20.340 −12.040 −11.480 0.6 0.009 3 0.017 4 0.017 5 0.018 8 −50.520 −7.549 −7.123
Table 3. Verification of calculation method resistance for the revolution body
View tableView in ArticleTable 3. Verification of calculation method resistance for the revolution body
来流速度/kn 回转体阻力仿真值/N 试验值/N 相对误差/% 网格a（45万） 网格b（107万） 网格c（143万） 网格a 网格b 网格c 0.3 0.355 5 0.372 9 0.373 2 0.379 1 −6.237 −1.648 −1.569 0.5 0.877 8 0.909 2 0.909 5 0.940 0 −6.617 −3.276 −3.244 0.7 1.605 0 1.644 0 1.646 0 1.706 0 − 5.903 −3.593 −3.476 0.9 2.528 0 2.574 0 2.577 0 2.790 0 −9.362 −7.727 −7.616
Table 4. Total thrust coefficients of the ducted propeller in open water condition
View tableView in ArticleTable 4. Total thrust coefficients of the ducted propeller in open water condition
进速系数J 总推力系数KTT 试验值 相对误差/% Goldstein分布方法 改进体积力法1 改进体积力法2 Goldstein分布法 改进体积力法1 改进体积力法2 0 0.353 4 0.499 8 0.506 9 0.521 9 −32.28 −4.24 −2.87 0.1 0.316 3 0.434 6 0.442 8 0.467 3 −32.29 −7.00 −5.24 0.2 0.282 6 0.376 0 0.386 0 0.413 8 −31.70 −9.14 −6.71 0.3 0.247 1 0.331 5 0.341 1 0.360 3 −31.42 −7.99 −5.34 0.4 0.216 3 0.284 6 0.294 7 0.303 9 −28.81 −6.36 −3.04 0.5 0.180 4 0.236 9 0.245 3 0.247 5 −27.09 −4.29 −0.86 0.6 0.132 6 0.185 9 0.192 5 0.185 1 −28.37 0.40 4.01 0.7 0.062 3 0.131 0 0.134 1 0.110 8 −43.80 18.20 20.94 |平均值| 30.20 5.60 4.00
Table 5. Resultant force of the ducted propeller and the revolution body
View tableView in ArticleTable 5. Resultant force of the ducted propeller and the revolution body
来流速度/kn 前进合力/N 实体模型仿真值/N 相对误差/% Goldstein分布方法 改进法1 改进法2 Goldstein分布方法 改进体积力法1 改进体积力法2 0.50 0.863 8 1.237 1 1.370 4 1.219 0 −29.13 1.48 12.42 1.00 0.595 9 0.830 9 0.939 7 0.831 7 −28.35 −0.10 12.97 1.25 0.453 1 0.622 6 0.714 9 0.637 5 −28.92 −2.33 12.13 1.50 0.286 5 0.410 4 0.478 8 0.439 0 −34.73 −6.50 9.08 2.00 −0.090 5 −0.047 3 −0.029 3 0.008 6 −1 152.30 −650.00 −440.70 |平均值| 30.28 1.86 11.65
Tools
Get Citation
Copy Citation Text
Haotian WANG, Gong XIANG, Zaisi YUAN, Xianbo XIANG. Numerical study on hydrodynamic performance of ducted propeller based on improved body force model[J]. Chinese Journal of Ship Research, 2023, 18(4): 186
Paper Information
Category: Ship Design and Performance
Received: May. 13, 2022
Accepted: --
Published Online: Mar. 20, 2025
The Author Email:
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20