Home Journals Articles Updates About
CN
image
收藏切换
Numerical simulation and identification of submarine wake characteristics in stratified flow
收藏切换
PDF
Eryun CHEN1, *, Xingsheng LIU1, Zhenlai MA2, Xinxin ZHAO2, Guoping LI2, Ailing YANG1, 3
Navigation of China | 2026, 49(1) : 78 - 88
Less
收藏切换
Navigation of China | 2026, 49(1): 78-88
• Marine Traffic Safety •
Numerical simulation and identification of submarine wake characteristics in stratified flow
Full
Eryun CHEN1, *, Xingsheng LIU1, Zhenlai MA2, Xinxin ZHAO2, Guoping LI2, Ailing YANG1, 3
Affiliations
  • 1.School of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
  • 2.Shanghai Shipbuilding Equipment Research Institute, Shanghai 200031, China
  • 3.Shanghai Publishing and Printing College, Shanghai 200093, China
Published: 2026-02-25 doi: 10.3969/j.issn.1000-4653.2026.01.008
Outline
收藏切换

Hydrodynamic wake is one of the important physical fields for the non-acoustic detection of submarines, and its accurate prediction is difficult due to the complexity of the marine environment. The Volume of Fluid (VOF) method is used to numerically simulate the stratified flow field of a submarine under direct navigation, and the influence laws of the speed, dive depth, and seawater stratification on the free-surface wake features and internal-wave wake features are obtained. Canny edge detection operator theory is applied to extract the wake profile features, and the wake angle and transverse wave tensor angle are measured. The results show that the submarine's wake does not present a typical "V" wave when the Fr number is low at a large dive depth, but gradually changes from a "spot" to a parallel wave with the increase of the Fr number, and eventually evolves into a distinct "V" wave. The strong stratification of seawater enhances free-surface perturbation, making the free-surface wake characteristics more pronounced. These results provide a basis for image recognition of hydrodynamic wake characteristics of submarines.

free surface trailing  /  internal wave  /  stratified flow  /  VOF  /  Canny
Eryun CHEN, Xingsheng LIU, Zhenlai MA, Xinxin ZHAO, Guoping LI, Ailing YANG. Numerical simulation and identification of submarine wake characteristics in stratified flow[J]. Navigation of China, 2026 , 49 (1) : 78 -88 . DOI: 10.3969/j.issn.1000-4653.2026.01.008
Appendix
Less
Year 2026 volume 49 Issue 1
PDF
14
1
Cite this Article
BibTeX
Article Info
doi: 10.3969/j.issn.1000-4653.2026.01.008
  • Receive Date：2025-03-29
  • Online Date：2026-05-19
  • Published：2026-02-25
Article Data
Affiliations
History
  • Received：2025-03-29
Funding
Affiliations
    1.School of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
    2.Shanghai Shipbuilding Equipment Research Institute, Shanghai 200031, China
    3.Shanghai Publishing and Printing College, Shanghai 200093, China
References
Share
https://castjournals.cast.org.cn/joweb/zghh/EN/10.3969/j.issn.1000-4653.2026.01.008
Share to
QR

Scan QR to access full text

Cite this article
BibTeX
Citations
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
关闭全屏
  • BibTeX
  • EndNote
  • RefWorks
  • TxT
Links
Articles
Latest Articles
Most Read
Collections
Updates
Events
News
Multimedia
About
About Us
Contact
No. 86 Xueyuan South Road, Haidian District, Beijing
100081
010-62199257
qkjq@cast.org.cn

Copyright © 2025 China Association for Science and Technology. All rights reserved. For all open access content, the relevant licensing terms apply.
Sponsored by the Office of the Leading Group for Cybersecurity and Informatization of CAST, and supported by Science and Technology Review Publishing House