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Research on the maneuverability of a twin-propeller and twin-rudder ship under the impacts of rudder geometrical parameters
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Yingqi Xi1, Yiming Zhu1, *, Jingqiao Liu1, Changzhe Chen2, Lu Zou2
Navigation of China | 2026, 49(2) : 127 - 134
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Navigation of China | 2026, 49(2): 127-134
• Ship and Ocean Engineering Equipment •
Research on the maneuverability of a twin-propeller and twin-rudder ship under the impacts of rudder geometrical parameters
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Yingqi Xi1, Yiming Zhu1, *, Jingqiao Liu1, Changzhe Chen2, Lu Zou2
Affiliations
  • 1.Mariner Design and Research Institute of China, Shanghai 200011, China
  • 2.School of Ocean and Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
Published: 2026-04-25 doi: 10.3969/j.issn.1000-4653.2026.02.015
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Considering the rudder features of a twin-propeller and twin-rudder ship, a series of numerical simulations of rudder-force tests with different rudder sectional parameters are carried out by using the Computational Fluid Dynamics method, from which the normal force coefficients of the rudder are obtained and the effects of rudder aspect ratio and thickness ratio on the hydrodynamic performances of the rudder are analyzed. On this basis, the standard turning circle and zigzag maneuvering motions are numerically simulated with the established mathematical model of ship maneuvering motion with four degrees of freedom. The maneuvering parameters are obtained from numerical simulations and the effects of rudder aspect ratio and thickness ratio on the turning ability, course-keeping ability and yaw-checking ability of the twin-propeller and twin-rudder ship are discussed. The research findings provide reference significance for optimizing rudder geometric parameter design and improving ship maneuverability.

naval architecture  /  maneuverability  /  Computational Fluid Dynamics  /  twin-propeller and twin-rudder ship  /  rudder section  /  rudder-force tests
Yingqi Xi, Yiming Zhu, Jingqiao Liu, Changzhe Chen, Lu Zou. Research on the maneuverability of a twin-propeller and twin-rudder ship under the impacts of rudder geometrical parameters[J]. Navigation of China, 2026 , 49 (2) : 127 -134 . DOI: 10.3969/j.issn.1000-4653.2026.02.015
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Year 2026 volume 49 Issue 2
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Article Info
doi: 10.3969/j.issn.1000-4653.2026.02.015
  • Receive Date：2025-03-03
  • Online Date：2026-05-19
  • Published：2026-04-25
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  • Received：2025-03-03
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Affiliations
    1.Mariner Design and Research Institute of China, Shanghai 200011, China
    2.School of Ocean and Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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