|Table of Contents|

Citation:
　Xiangyi Zou,Guohe Jiang,Linchang Ye.Underwater Radiated Noise Evaluation and Experimental Analysis of the Support Mother Ship for a Manned Submersible[J].Journal of Marine Science and Application,2023,(2):334-343.[doi:10.1007/s11804-023-00341-x]
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Underwater Radiated Noise Evaluation and Experimental Analysis of the Support Mother Ship for a Manned Submersible

Info

Title:
Underwater Radiated Noise Evaluation and Experimental Analysis of the Support Mother Ship for a Manned Submersible
Author(s):
Xiangyi Zou1; 2;  Guohe Jiang1;  Linchang Ye3
Affilations:
Author(s):
Xiangyi Zou1; 2;  Guohe Jiang1;  Linchang Ye3
1 Merchant Marine College, Shanghai Maritime University, Shanghai 201306, China;
2 Ship Department, National Deepsea Center, Shanghai 260000, China;
3 Vibration and noise reduction, Shanghai Marine Diesel Engine Research Institute, Shanghai 200090, China
Keywords:
Scientific research ship; Manned submersible; Mother ship; Underwater radiated noise; Noise source; Experimental measurement
分类号:
-
DOI:
10.1007/s11804-023-00341-x
Abstract:
This study investigates the underwater radiated noise (URN) of a manned submersible support mother ship. To this end, a detailed finite element model of the hull and outflow field is established, and the vibration wet mode of the scientific research ship is calculated. A combination of finite element and boundary element methods is used to analyze the spectral features of ship low-frequency URN. The URN source is comprehensively analyzed, the vibration energy is considered the basic parameter to describe the vibration, and the medium- and high-frequency URN of the ship are calculated using the statistical energy analysis. To obtain the full frequency-band URN of the ship, the risk position of exceeding the standard is determined, and the contribution of each main noise source in the ship to the URN is analyzed. The URN level of the ship is comprehensively measured in the free navigation state. The accuracy of the URN control evaluation model, and the method of the ship are verified.The data support for the ship to apply for the classification society certificate provides a scheme reference for the URN control of other scientific research ship in the future.

References:

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Memo

Memo:
Received date:2022-07-13;Accepted date:2023-01-05。
Foundation item:The National Key R&D Plan (Grant No. 2016YFC03000704) and National Key R&D Plan (Grant No. 2018YFC03009202).
Corresponding author:Xiangyi Zou,E-mail:zouxy@ndsc.org.cn
Last Update: 2023-06-02