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Citation:
　Zihao Wang,YunHe Wang,Shengchao Jiang.Coupling Actions Between Ship Roll Motion and Internal Sloshing with Water and LNG Inside[J].Journal of Marine Science and Application,2025,(6):1194-1207.[doi:10.1007/s11804-025-00654-z]
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Coupling Actions Between Ship Roll Motion and Internal Sloshing with Water and LNG Inside

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Title:
Coupling Actions Between Ship Roll Motion and Internal Sloshing with Water and LNG Inside
Author(s):
Zihao Wang1;  YunHe Wang2;  Shengchao Jiang1; 2
Affilations:
Author(s):
Zihao Wang1;  YunHe Wang2;  Shengchao Jiang1; 2
1. School of Naval Architecture and Ocean Engineering, Dalian University of Technology, Dalian, 116024, China;
2. State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian, 116024, China
Keywords:
LNG carrier; LNG and water; Roll motion; Coupling sloshing; Local pressure
分类号:
-
DOI:
10.1007/s11804-025-00654-z
Abstract:
The coupling effect between ship motion and liquid sloshing in a beam sea is investigated, with a focus on the influence of liquid types, namely, water and liquefied natural gas (LNG), on the coupling dynamics. A hybrid numerical model, combining a potential flow model and computational fluid dynamics methods, is employed to simulate these interactions. Numerical validation is performed using experimental data from water sloshing tests. Comparisons between water and LNG reveal that liquid type has minimal effects on the ship’s roll motion response in a beam sea, provided the total liquid masses are the same. Regarding sloshing impact pressure, although differences between LNG and water results are minor, substituting LNG with water in physical experiments is shown to yield reliable results.

References:

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Memo

Memo:
Received date:2024-9-13;Accepted date:2024-11-23。<br>Foundation item:This work is supported by the Natural Science Foundation of China with Grant Nos. 52371267 and 52171250. The authors gratefully acknowledge the Supercomputer Center of Dalian University of Technology for providing computing resources.<br>Corresponding author:Shengchao Jiang,E-mail:jiangshengchao@foxmail.com
Last Update: 2025-12-26