Characteristics and judging method of falling deep of submarine

Huang Bin; Lü Bangjun; Peng Likun; Chang Shuping

doi:10.19693/j.issn.1673-3185.01347

Volume 14 Issue 3

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Chinese Journal of Ship Research > 2019 > 14(3): 99-104. > DOI: 10.19693/j.issn.1673-3185.01347 CSTR: 32390.14.j.issn.1673-3185.01347

Huang Bin, Lü Bangjun, Peng Likun, Chang Shuping. Characteristics and judging method of falling deep of submarine[J]. Chinese Journal of Ship Research, 2019, 14(3): 99-104. DOI: 10.19693/j.issn.1673-3185.01347

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Characteristics and judging method of falling deep of submarine

1.
College of Power Engineering, Naval University of Engineering, Wuhan 430033, China
2.
The 63969 Unit of PLA, Nanjing 210028, China

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Received Date: July 07, 2018
Available Online: May 07, 2021

This is an Open Access article distributed under the terms of the Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Abstract

Objectives In order to judge whether there is a falling deep situation on submarine,
Methods a underwater motion model of submarine is established, and the motion accuracy of the model is verified by experimental data; the falling deep of submarine is simulated and the motion characteristics are analyzed; the assumption that there is a critical static load at different navigation speeds is put forward, and the assumption is verified by calculation. The method of judging falling deep of submarine is studied, and the depth rate ∂H/∂t and pitch change rate ∂θ/∂t are used as the criteria for danger of falling deep of submarine.
Results It can quickly and effectively judge whether the submarine is in danger of falling deep.
Conclusions It has certain reference value for safe operation of submarine.
- falling deep of submarine,
- safety,
- accident,
- motion control,
- simulation

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