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Surf-riding/broaching vulnerability criteria assessment method for waterjet propelled ships
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Pei-yuan FENG1, 3, You-lin CAI1, 3, She-ming FAN2, 3
Journal of Ship Mechanics | 2024, 28(8) : 1133 - 1140
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Journal of Ship Mechanics | 2024, 28(8): 1133-1140
• Hydrodynamics •
Surf-riding/broaching vulnerability criteria assessment method for waterjet propelled ships
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Pei-yuan FENG1, 3, You-lin CAI1, 3, She-ming FAN2, 3
Affiliations
  • 1.Science and Technology Laboratory on Waterjet Propulsion, Shanghai 201100, China
  • 2.Shanghai Key Laboratory on Ship Engineering, Shanghai 200011, China
  • 3.Marine Design and Research Institute of China, Shanghai 200011, China
Published: 2024-08-20 doi: 10.3969/j.issn.1007-7294.2024.08.001
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The current Level 2 vulnerability criteria assessment method for the surf-riding/broaching stability failure mode of the IMO Second Generation Intact Stability Criteria only applies to ships using conventional propellers. However, waterjet propelled ships are also prone to this stability failure mode. Therefore, it is necessary to establish a regulatory assessment method for such a ship type as well. This study established a mechanical model for waterjet propulsion systems through the analogy to the model for propellers. The Level 2 vulnerability assessment method applicable to waterjet propelled ships was proposed and validated based on the actual pump data and sample ship calculations. A specific assessment method for waterjet propelled ships was proposed to overcome the limitation on propulsion type, which not only makes the regulation more complete, but also provides technical support for the stability safety assessment of waterjet propelled ships.

second generation intact stability  /  surf-riding/broaching  /  waterjet propulsion  /  vulnerability criteria  /  assessment procedure
Pei-yuan FENG, You-lin CAI, She-ming FAN. Surf-riding/broaching vulnerability criteria assessment method for waterjet propelled ships[J]. Journal of Ship Mechanics, 2024 , 28 (8) : 1133 -1140 . DOI: 10.3969/j.issn.1007-7294.2024.08.001
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Year 2024 volume 28 Issue 8
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Article Info
doi: 10.3969/j.issn.1007-7294.2024.08.001
  • Receive Date：2024-02-19
  • Online Date：2026-03-26
  • Published：2024-08-20
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  • Received：2024-02-19
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Affiliations
    1.Science and Technology Laboratory on Waterjet Propulsion, Shanghai 201100, China
    2.Shanghai Key Laboratory on Ship Engineering, Shanghai 200011, China
    3.Marine Design and Research Institute of China, Shanghai 200011, China
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表12种不同金属材料的力学参数
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Family		 属数
Number of
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Number of
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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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