薄膜型水声超材料吸声特性试验研究
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- 英文论文题名：The experimental investigation on the acoustic absorption performance of the membrane metamaterial underwater
- 论文作者：王鹏 ; 李宏伟 ; 任伟伟 ; 樊宁波
- 英文论文作者：Wang Peng ; Li Hongwei ; Ren Weiwei ; Fan Ningbo
- 年：2016
- 作者机构：中国船舶重工集团公司第七二五研究所;
- 论文关键词：薄膜吸声超材料 ; 低频 ; 吸声系数 ; 水下吸声
- 英文论文关键词：membrane sound-absorbing metamaterial ; low-frequency ; sound absorption coefficient ; underwater acoustic absorption
- 会议召开时间：2016-07-28
- 会议录名称：第二十七届全国振动与噪声应用学术会议论文集
- 语种：中文
- 分类号：TB34
- 学会代码：ZDZD
- 会议名称：第二十七届全国振动与噪声应用学术会议
- 会议地点：中国黑龙江哈尔滨
- 主办单位：中国振动工程学会振动与噪声控制专业委员会
- 学会名称：中国振动工程学会振动与噪声控制专业委员会
- 页数：5
- 文件大小：636k
- 原文格式：D
- 会议级别：全国
摘要
本文根据薄膜型声学超材料共振吸声机理,制备了可用于水下低频吸声的薄膜型水声超材料样品。利用脉冲管水声测试系统,对薄膜型水声超材料吸声特性进行了试验研究。试验结果表明,所制备厚度仅为1mm左右的薄膜型水声超材料,能够对波长大于自身尺寸两个数量级以上的声波进行有效吸收,这在水下低频声隐身方面具有广阔应用前景。
Based on the resonance mechanismof thin-film acoustic metamaterial, underwater thin-film acoustic metamaterial samples which can be used for underwater low-frequency acoustic absorption are fabricated. Uses the pulse tube test system, the acoustic absorption performance of the membrane sound- absorbing metamaterial are studied experimentally. Results show that, the metamaterial samples we prepared with thickness 1mm, can effectively absorb underwater sound at frequencies where the relevant sound wavelength in water two orders of magnitude larger the membrane thickness, which provides potential applications prospect in the low-frequency acoustic stealth underwater.
Based on the resonance mechanismof thin-film acoustic metamaterial, underwater thin-film acoustic metamaterial samples which can be used for underwater low-frequency acoustic absorption are fabricated. Uses the pulse tube test system, the acoustic absorption performance of the membrane sound- absorbing metamaterial are studied experimentally. Results show that, the metamaterial samples we prepared with thickness 1mm, can effectively absorb underwater sound at frequencies where the relevant sound wavelength in water two orders of magnitude larger the membrane thickness, which provides potential applications prospect in the low-frequency acoustic stealth underwater.
引文
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[2]Ma G,Yang M,Xiao S,Yang Z,and Sheng P.Acoustic metasurfacewith hybrid resonances[J].Nat.Mater.2014,13(873-878)
[3]Yang M,Meng C,Fu C,Li Y,Yang Z,and Sheng P.Subwavelength total acoustic absorption with degenerate resonators[J].Appl.Phys.Lett.2015,107(104104)
[4]Slagle A C,Fuller C R.Low Frequency Noise Reduction Using Poro-Elastic Acoustic Metamaterials21st AIAA/CEAS Aeroacoustics Conference,AIAA 2015-3113
[5]王育人,姜恒,陈猛,冯亚菲.第十四届船舶水下噪声学术讨论会论文集[C],重庆,2013:565-569
[2]Ma G,Yang M,Xiao S,Yang Z,and Sheng P.Acoustic metasurfacewith hybrid resonances[J].Nat.Mater.2014,13(873-878)
[3]Yang M,Meng C,Fu C,Li Y,Yang Z,and Sheng P.Subwavelength total acoustic absorption with degenerate resonators[J].Appl.Phys.Lett.2015,107(104104)
[4]Slagle A C,Fuller C R.Low Frequency Noise Reduction Using Poro-Elastic Acoustic Metamaterials21st AIAA/CEAS Aeroacoustics Conference,AIAA 2015-3113
[5]王育人,姜恒,陈猛,冯亚菲.第十四届船舶水下噪声学术讨论会论文集[C],重庆,2013:565-569