A novel broadband waterborne acoustic absorber

Changxian Wang; Weibin Wen; Yixing Huang; Mingji Chen; Hongshuai Lei; Daining Fang

doi:10.1063/1.4958924

A novel broadband waterborne acoustic absorber

Changxian Wang, Weibin Wen^*, Yixing Huang, Mingji Chen, Hongshuai Lei, Daining Fang

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先进结构技术研究院

科研成果: 期刊稿件 › 文章 › 同行评审

7 引用（Scopus）

摘要

In this paper, we extended the ray tracing theory in polar coordinate system, and originally proposed the Snell-Descartes law in polar coordinates. Based on these theories, a novel broadband waterborne acoustic absorber device was proposed. This device is designed with gradient-distributing materials along radius, which makes the incidence acoustic wave ray warps. The echo reduction effects of this device were investigated by finite element analysis, and the numerical results show that the reflectivity of acoustic wave for the new device is lower than that of homogenous and Alberich layers in almost all frequency 0-30 kHz at the same loss factor.

源语言	英语
文章编号	075107
期刊	AIP Advances
卷	6
期	7
DOI	https://doi.org/10.1063/1.4958924
出版状态	已出版 - 1 7月 2016

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10.1063/1.4958924

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author = "Changxian Wang and Weibin Wen and Yixing Huang and Mingji Chen and Hongshuai Lei and Daining Fang",

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AU - Wang, Changxian

AU - Wen, Weibin

AU - Huang, Yixing

AU - Chen, Mingji

AU - Lei, Hongshuai

AU - Fang, Daining

PY - 2016/7/1

Y1 - 2016/7/1

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AB - In this paper, we extended the ray tracing theory in polar coordinate system, and originally proposed the Snell-Descartes law in polar coordinates. Based on these theories, a novel broadband waterborne acoustic absorber device was proposed. This device is designed with gradient-distributing materials along radius, which makes the incidence acoustic wave ray warps. The echo reduction effects of this device were investigated by finite element analysis, and the numerical results show that the reflectivity of acoustic wave for the new device is lower than that of homogenous and Alberich layers in almost all frequency 0-30 kHz at the same loss factor.

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A novel broadband waterborne acoustic absorber

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