Chinese Journal of Ship Research, Volume. 20, Issue 4, 70(2025)
Numerical analysis of unsteady forces in a pump-jet propulsor due to dynamic tip-clearance changes
Figures & Tables(15)
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Table 1. Comparison of resistance between CFD and experiment at different speeds
View tableView in ArticleTable 1. Comparison of resistance between CFD and experiment at different speeds
航速/(m∙s−1) 阻力/N 误差/% CFD 实验 3.051 105.4 102.3 3.1 5.144 278.2 283.8 −2.0 7.161 515.2 526.6 −2.2 9.152 814.4 821.1 −0.8
Table 2. Comparison of thrust coefficients of various components of PJP with different grid numbers
View tableView in ArticleTable 2. Comparison of thrust coefficients of various components of PJP with different grid numbers
网格 网格数 KT-rotor KT-duct KT-stator 1 6.33×104 0.378 0.101 −0.037 2 12.47×104 0.346 0.069 −0.039 3 35.87×104 0.333 0.056 −0.035
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Huiyao LI, Jingyi HE, wei ZHAO, Zhiqiang RAO, Zhenguo ZHANG, Hongxing HUA. Numerical analysis of unsteady forces in a pump-jet propulsor due to dynamic tip-clearance changes[J]. Chinese Journal of Ship Research, 2025, 20(4): 70
Paper Information
Category: Ship Design and Performance
Received: Mar. 7, 2024
Accepted: --
Published Online: Sep. 11, 2025
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