Analysis of structure-borne noise in ship cabins using a floating floor with an inserted viscoelastic layer

被引：11

作者：

Song, Jee-Hun ^{[1
]}

Hong, Suk-Yoon ^{[1
]}

Joo, Won-Ho ^{[2
]}

机构：

[1] Seoul Natl Univ, Dept Naval Architecture & Ocean Engn, Coll Engn, Seoul 151742, South Korea

[2] Hyundai Heavy Ind Co Ltd, Hyundai Maritime Res Inst, Ulsan, South Korea

来源：

JOURNAL OF MARINE SCIENCE AND TECHNOLOGY | 2009年 / 14卷 / 01期

关键词：

Floating floor; Viscoelastic layer; Structure-borne noise; ELASTIC WAVES; PROPAGATION;

D O I：

10.1007/s00773-008-0039-9

中图分类号：

U6 [水路运输]; P75 [海洋工程];

学科分类号：

0814 ; 081505 ; 0824 ; 082401 ;

摘要：

A numerical model was developed for a floating floor with an inserted viscoelastic layer to predict the structure-borne noise (SBN) in ship cabins. In cabins, high-density mineral wool is usually used as an impact-absorbing material. The theoretical model consisted of multipanel structures lined with high-density mineral wool. The predicted results for SBN when a floating floor with an inserted viscoelastic layer is used were compared with the measurements done on a cabin mock-up. Various floating floors with inserted viscoelastic layer structures were studied, and the effects of variations in the thickness, density, and fiber direction of the high-density mineral wool were investigated. Comparisons of the predicted results and the experimental results showed that the developed model could be an effective tool for predicting SBN in ship cabins.

引用

页码：127 / 135

页数：9

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