Numerical simulation and analysis of submarine’s emergency ascent movement and hydrodynamic characteristics in internal waves

被引：0

作者：

Huang M.-M. ^{[1
]}

Zhang N. ^{[1
]}

Li Y.-H. ^{[1
]}

Wang W.-T. ^{[1
]}

机构：

[1] National Key Laboratory of Science and Technology on Hydrodynamics, China Ship Scientific Research Center, Wuxi

来源：

Chuan Bo Li Xue/Journal of Ship Mechanics | 2023年 / 27卷 / 09期

关键词：

emergency ascent; internal wave; numerical simulation; submarine;

D O I：

10.3969/j.issn.1007-7294.2023.09.002

中图分类号：

学科分类号：

摘要：

The internal wave is a common marine phenomenon in ocean, especially in the marginal sea. Non⁃ linear solitary waves, especially with a large amplitude, are serious threats to the safe navigation of subma⁃ rines. RANS method and motion governing equations were adopted to simulate the free motion of a submarine under the impacts of internal waves. The result shows that the submarine without active controls is dragged in⁃ to the wave trough quickly, which is a coupled motion process. The process was analyzed in detail in the pa⁃ per. On this basis, the submarine’s emergency ascent was highlighted and numerical method of blowing bal⁃ lasts tanks in internal waves was investigated. Then the submarine motion as well as flow field during emergen⁃ cy ascent were simulated and analyzed. Besides, the results were compared with those of theoretical analysis. © 2023 China Ship Scientific Research Center. All rights reserved.

引用

页码：1283 / 1293

页数：10

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