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 Jinming Ye,Di Zhang,Xianfeng Zhang,et al.Research on the Hydrodynamic and Cavitation Performance of Semi-Balanced Twisted Rudders[J].Journal of Marine Science and Application,2023,(3):488-498.[doi:10.1007/s11804-023-00350-w]
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Research on the Hydrodynamic and Cavitation Performance of Semi-Balanced Twisted Rudders


Research on the Hydrodynamic and Cavitation Performance of Semi-Balanced Twisted Rudders
Jinming Ye Di Zhang Xianfeng Zhang Xiaoyu Zou
Jinming Ye Di Zhang Xianfeng Zhang Xiaoyu Zou
College of Ship and Ocean, Naval University of Engineering, Wuhan 430033, China
Surface cavitationSemi-balanced twisted rudderInception rudder angleCavitation rangeHydrodynamic performance
In this study, we designed a new, semi-balanced, twisted rudder to reduce the surface cavitation problem of medium-high-speed surface warships. Based on the detached eddy simulation (DES) with the Spalart-Allmaras (SA) model (SA-DES) and the volume of fluid (VOF) method, the hydrodynamic and cavitation performances of an ordinary semi-balanced rudder and semi-balanced twisted rudder at different rudder angles were numerically calculated and compared using the commercial computational fluid dynamics (CFD) software STAR-CCM+ with the whole-domain structured grid. The calculation results showed that, under the same working conditions, the maneuverability of the semi-balanced twisted rudder basically remained unchanged compared with that of the ordinary semi-balanced rudder. Furthermore, the surface cavitation range of the semi-balanced twisted rudder was much smaller, and the inception rudder angle of the rudder surface cavitation increased by at least 5° at the maximum speed. In conclusion, the semi-balanced twisted rudder effectively reduced the cavitation of the rudder surface without reducing the rudder effect and exhibited excellent anti-cavitation performance.


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Received date:2022-10-22;Accepted date:2022-11-16。
Foundation item:Supported by the National Natural Science Foundation of China under Grant No. 51579243.
Corresponding author:Di Zhang,E-mail:3567438450@qq.com
Last Update: 2023-10-10