Chinese Journal of Ship Research, Volume. 20, Issue 4, 57(2025)
Numerical investigation of PPTC propeller cavitation noise characteristics and sound generation mechanism
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Table 1. Parameters for the PPTC propeller
View tableView in ArticleTable 1. Parameters for the PPTC propeller
参数 符号/单位 数值 直径 D/m 0.25 设计螺距（r/R=0.7） P/D0.7R 1.635 弦长（r/R = 0.7） c0.7 /m 0.10417 侧斜 θEXT/ (°) 18.837 叶片数 Z 5 旋转方向 右旋
Table 2. Typical cavitation conditions for the oblique inflow[2]
View tableView in ArticleTable 2. Typical cavitation conditions for the oblique inflow[2]
斜入流工况 J n/ (s−1) σ Case 2.1 1.019 20 2.024
Table 3. Information on the refined grids
View tableView in ArticleTable 3. Information on the refined grids
网格方案 网格总数 TVC直径内的网格数 细化网格1 11484219 21 细化网格2 16492315 32 细化网格3 19724156 42
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Shujian LÜ, Chengzao HAN, Rui YANG, Weiguo HUANG. Numerical investigation of PPTC propeller cavitation noise characteristics and sound generation mechanism[J]. Chinese Journal of Ship Research, 2025, 20(4): 57
Paper Information
Category: Ship Design and Performance
Received: Aug. 19, 2024
Accepted: Nov. 10, 2024
Published Online: Sep. 11, 2025
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