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Title:
Wide-band underwater acoustic absorption based on locally resonant unit and interpenetrating network structure
Author: Jiang H(姜恒); Wang YR(王育人); Zhang ML; Hu YP(胡燕萍); Lan D(蓝鼎); Wu QL; Lu HT
Source: Chinese Physics B
Issued Date: 2010
Volume: 19, Issue:2, Pages:26202
Abstract: The interpenetrating network structure provides an interesting avenue to novel materials. Locally resonant phononic crystal (LRPC) exhibits excellent sound attenuation performance based on the periodical arrangement of sound wave scatters. Combining the LRPC concept and interpenetrating network glassy structure, this paper has developed a new material which can achieve a wide band underwater strong acoustic absorption. Underwater absorption coefficients of different samples were measured by the pulse tube. Measurement results show that the new material possesses excellent underwater acoustic effects in a wide frequency range. Moreover, in order to investigate impacts of locally resonant units, some defects are introduced into the sample. The experimental result and the theoretical calculation both show that locally resonant units being connected to a network structure play an important role in achieving a wide band strong acoustic absorption.
Language: 英语
Indexed Type: SCI
Corresponding Author: Wang YR
Correspondent Email: wangyr@imech.ac.cn
Related URLs: 查看原文
DOC Type: Article
WOS Subject: Physics, Multidisciplinary
WOS Subject Extended: Physics
WOS Keyword Plus: SONIC MATERIALS ; PHONONIC CRYSTALS ; SOUND-ABSORPTION ; GAPS ; COMPOSITES ; COATINGS ; CAVITIES
WOS ID: WOS:000274949400057
ISSN: 1674-1056
Citation statistics:
Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/43675
Appears in Collections:国家微重力实验室_期刊论文

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Recommended Citation:
Jiang H,Wang YR,Zhang ML,et al. Wide-band underwater acoustic absorption based on locally resonant unit and interpenetrating network structure[J]. Chinese Physics B,2010-01-01,19(2):26202.
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