Acoustic Performance Prediction of Undersea Vehicles

FU Xiaohan; FU Xuezhi; WANG Minqing

doi:10.11993/j.issn.2096-3920.2022-0094

Volume 31 Issue 6

Dec 2023

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FU Xiaohan, FU Xuezhi, WANG Minqing. Acoustic Performance Prediction of Undersea Vehicles[J]. Journal of Unmanned Undersea Systems, 2023, 31(6): 871-877. doi: 10.11993/j.issn.2096-3920.2022-0094

Citation:

FU Xiaohan, FU Xuezhi, WANG Minqing. Acoustic Performance Prediction of Undersea Vehicles[J]. Journal of Unmanned Undersea Systems, 2023, 31(6): 871-877. doi: 10.11993/j.issn.2096-3920.2022-0094

FU Xiaohan, FU Xuezhi, WANG Minqing. Acoustic Performance Prediction of Undersea Vehicles[J]. Journal of Unmanned Undersea Systems, 2023, 31(6): 871-877. doi: 10.11993/j.issn.2096-3920.2022-0094

Citation:

FU Xiaohan, FU Xuezhi, WANG Minqing. Acoustic Performance Prediction of Undersea Vehicles[J]. Journal of Unmanned Undersea Systems, 2023, 31(6): 871-877. doi: 10.11993/j.issn.2096-3920.2022-0094

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Acoustic Performance Prediction of Undersea Vehicles

doi: 10.11993/j.issn.2096-3920.2022-0094

1.
School of Marine Science and Technology, Northwestern Polytechnical University, Xi’an 710072, China
2.
Unit 92228^th, the People’s Liberation Army of China, Beijing 100072, China

Received Date: 2022-12-09
Accepted Date: 2023-04-07
Rev Recd Date: 2022-12-18

Available Online: 2023-11-17

Abstract

Abstract

With the development of deep-sea fishing and marine ranching, the impact of undersea radiation noise of vehicles on marine organisms such as fish cannot be ignored . In order to assess the impact of radiation noise from undersea vehicles on marine life, the calculation model of safe working radius for an undersea vehicle was established according to the passive sonar equation and propagation loss characteristics of undersea radiation noise, and the safe working area of undersea vehicles was quantified. Two kinds of commercial undersea vehicles G1 and G2 with acoustic optimization design for the power system were studied. Based on the acoustic performance test, the acoustic radiation characteristics of the two vehicles were analyzed, and the safe working radius between the two undersea vehicles and marine fish as well as undersea equipment were further calculated. The research shows that the radiated noise of the vehicles consists of broadband noise and line spectrum noise, and the line spectrum noise within the low-frequency range is the main factor affecting the acoustic performance of undersea vehicles. The safe working radius of the undersea vehicles is effectively improved by optimizing the power system, thus reducing its impact on marine life. The results of this study provide a reference for the evaluation and optimization of the acoustic performance of commercial vehicles in marine acoustic ranch.
- undersea vehicle,
- undersea radiation noise,
- safe working radius,
- marine acoustic ranching

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References(24)

References

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