Experimental validation on structure-borne underwater radiated noise transfer function analysis for marine structure

IF 2.3 3区工程技术 Q2 ENGINEERING, MARINE International Journal of Naval Architecture and Ocean Engineering Pub Date : 2024-01-01 DOI:10.1016/j.ijnaoe.2024.100585

Joo-Yeob Lee , Dae-Seung Cho , Kookhyun Kim , Sung-Ju Park

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Abstract

In this paper, an experimental validation of a numerical procedure for estimating the structure-borne Underwater Radiated Noise (URN) Transfer Function (TF) of a marine structure based on the SEA theory has been performed. For the purpose, the structure-borne URN TF of a central point-excited one-side fluid-loaded four-edge stiffened plate in a reverberant water tank has been measured and compared with the SEA result. Additionally, the practical applicability of the procedure for a real ship structure has been demonstrated by comparing the URN analysis result based on the transfer function method and the measurement result for a Korean research vessel, ‘Cheong-Hae’. From the results, it is confirmed that the presented procedure can be used to estimate the structure-borne URN level emitted from the vibrating fluid-loaded side shells of a ship structure.

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海洋结构水下辐射噪声传递函数分析实验验证

本文以 SEA 理论为基础，对估算海洋结构的结构传导水下辐射噪声（URN）传递函数（TF）的数值程序进行了实验验证。为此，我们测量了混响水箱中中心点激励单侧流体加载四边加劲板的结构传导水下辐射噪声传递函数，并将其与 SEA 结果进行了比较。此外，通过比较基于传递函数方法的 URN 分析结果和韩国研究船 "清海 "号的测量结果，证明了该程序在实际船舶结构中的实用性。结果证实，所提出的程序可用于估算由船舶结构的振动流体负载侧壳发出的结构传导 URN 水平。

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来源期刊

International Journal of Naval Architecture and Ocean Engineering ENGINEERING, MARINE-

CiteScore

4.90

自引率

4.50%

发文量

审稿时长

12 months

期刊介绍： International Journal of Naval Architecture and Ocean Engineering provides a forum for engineers and scientists from a wide range of disciplines to present and discuss various phenomena in the utilization and preservation of ocean environment. Without being limited by the traditional categorization, it is encouraged to present advanced technology development and scientific research, as long as they are aimed for more and better human engagement with ocean environment. Topics include, but not limited to: marine hydrodynamics; structural mechanics; marine propulsion system; design methodology & practice; production technology; system dynamics & control; marine equipment technology; materials science; underwater acoustics; ocean remote sensing; and information technology related to ship and marine systems; ocean energy systems; marine environmental engineering; maritime safety engineering; polar & arctic engineering; coastal & port engineering; subsea engineering; and specialized watercraft engineering.