Optimization of wake propeller based on Gaussian approximation and NSGA-II

Table 1. Comparison of propeller performance test and simulation results in wake field behind ship
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Table 1. Comparison of propeller performance test and simulation results in wake field behind ship
特征值试验值仿真值误差/%
C_TB 3.966 3.621 −9.5
K_TB 0.17 0.183 7.1
10K_QB 0.288 0.334 13.8
η_0B 0.869 0.802 −8.4

Table 2. Comparison of propeller performance test and simulation results in uniform flow field
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Table 2. Comparison of propeller performance test and simulation results in uniform flow field
特征值 CFD 近似模型误差/%
P_min/Pa −414.0 −410.2 −1.0
K_T 0.122 0.126 3.2
10K_Q 0.242 0.253 4.3
η₀ 0.640 0.634 −1.4

Table 3. Comparison of propeller performance test and simulation results in wake field behind ship
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Table 3. Comparison of propeller performance test and simulation results in wake field behind ship
特征值 CFD 近似模型误差/%
P_min/Pa 184.6 182.2 −1.3
K_T 0.187 0.193 3.1
10K_Q 0.341 0.334 2.1
η₀ 0.82 0.805 −1.9

Table 4. Optimization results of propeller in uniform flow field
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Table 4. Optimization results of propeller in uniform flow field
参数原值优化误差/%
A_e/A_d 0.8 0.78 −2.5
P_min/Pa −435.0 −404.5 7.0
K_T 0.120 0.124 3.3
10K_Q 0.243 0.241 −0.8
η₀ 0.628 0.654 2.6

Table 5. Optimization results of propeller in wake field behind ship

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Table 5. Optimization results of propeller in wake field behind ship

参数	原值	优化1结果	误差/%	优化2结果	误差/%	优化3结果	误差/%	优化1结果（CFD）	误差/%
A_e/A_d	0.8	0.72	−10.0	0.77	−3.8	0.79	−1.3	−	−
P_min/Pa	189.8	182.9	−3.6	183.7	−3.2	181.6	−4.3	−	−
K_TB	0.188	0.190	1.1	0.187	−0.5	0.190	2.1	0.188	1.05
10K_QB	0.348	0.327	−6.0	0.334	−4.0	0.325	−6.6	0.317	3.06
η_0B	0.814	0.836	2.7	0.826	1.4	0.828	1.7	0.825	1.32

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Xu LIU, Qiang YAO, Chenghua ZHU, Hu YANG. Optimization of wake propeller based on Gaussian approximation and NSGA-II[J]. Chinese Journal of Ship Research, 2023, 18(4): 197

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Paper Information

Category: Ship Design and Performance

Received: Apr. 28, 2022

Accepted: --

Published Online: Mar. 20, 2025

The Author Email:

DOI:10.19693/j.issn.1673-3185.02892

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Comparison of propeller performance test and simulation results in wake field behind ship

Table 1. Comparison of propeller performance test and simulation results in wake field behind ship

Table 2. Comparison of propeller performance test and simulation results in uniform flow field

Table 2. Comparison of propeller performance test and simulation results in uniform flow field

Table 3. Comparison of propeller performance test and simulation results in wake field behind ship

Table 3. Comparison of propeller performance test and simulation results in wake field behind ship

Table 4. Optimization results of propeller in uniform flow field

Table 4. Optimization results of propeller in uniform flow field

Table 5. Optimization results of propeller in wake field behind ship

Table 5. Optimization results of propeller in wake field behind ship