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Wide-band underwater acoustic absorption based on locally resonant unit and interpenetrating network structure
Jiang H(姜恒); Wang YR(王育人); Zhang ML; Hu YP(胡燕萍); Lan D(蓝鼎); Wu QL; Lu HT; Wang YR
2010
发表期刊Chinese Physics B
卷号19期号:2页码:26202
ISSN1674-1056
摘要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.
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收录类别SCI
语种英语
WOS记录号WOS:000274949400057
关键词[WOS]SONIC MATERIALS ; PHONONIC CRYSTALS ; SOUND-ABSORPTION ; GAPS ; COMPOSITES ; COATINGS ; CAVITIES
WOS研究方向Physics
WOS类目Physics, Multidisciplinary
项目资助者National Natural Science Foundation of China [10832011] ; Chinese Academy of Sciences [KJCX2-YW-L08]
引用统计
文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/43675
专题国家微重力实验室
通讯作者Wang YR
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GB/T 7714
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,2010,19(2):26202.
APA 姜恒.,王育人.,Zhang ML.,胡燕萍.,蓝鼎.,...&Wang YR.(2010).Wide-band underwater acoustic absorption based on locally resonant unit and interpenetrating network structure.Chinese Physics B,19(2),26202.
MLA 姜恒,et al."Wide-band underwater acoustic absorption based on locally resonant unit and interpenetrating network structure".Chinese Physics B 19.2(2010):26202.
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