声场旋转器结构单元尺寸对其工作带宽的影响
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- 英文论文题名：The effect of building block size of acoustic field rotator on its operating bandwidth
- 论文作者：张秀海 ; 屈治国
- 英文论文作者：ZHANG Xiu-hai ; QU Zhi-guo ; Key Laboratory of Thermo-Fluid Science and Engineering of Ministry of Education ; School of Energy and Power Engineering ; Xi'an Jiaotong University
- 年：2016
- 作者机构：西安交通大学能源与动力工程学院热流科学与工程教育部重点实验室;
- 论文关键词：超材料 ; 声场旋转器 ; 工作带宽
- 英文论文关键词：metamaterial ; acoustic field rotator ; operating bandwidth
- 会议召开时间：2016-10-28
- 会议录名称：2016年全国声学学术会议论文集
- 语种：中文
- 分类号：TB51
- 学会代码：OGSM
- 会议名称：2016年全国声学学术会议
- 会议地点：中国湖北武汉
- 主办单位：中国声学学会
- 学会名称：中国声学学会
- 页数：4
- 文件大小：511k
- 原文格式：D
- 会议级别：全国
摘要
声场旋转器的研究已经有所开展,但公开文献中未见声场旋转器结构单元尺寸对其工作带宽影响的研究。本文设计了5个不同长方体结构单元的声场旋转器,采用有限元软件研究声场旋转器结构单元尺寸对其工作带宽的影响。发现随着长方体结构单元长宽比的增加,尽管声场旋转器在低频仍能工作,但其可以工作的高频频率是下降的,即声场旋转器的工作带宽是变窄的。进一步研究表明声场旋转器的高频截止频率与长方体结构单元长宽比基本成线性关系。
Research on acoustic field rotator has been carried out, however, to the best knowledge of the authors, no research has been conducted on the effect of building block size of acoustic field rotator on its operating bandwidth. Five acoustic field rotators with different building blocks have been designed. Finite element software are adopted to investigate the effect of building block size of acoustic field rotator on its operating bandwidth. The simulation results show that the high cut-off frequency of acoustic field rotator decreases with the increase of the aspect ratio of the building block, although the acoustic field rotator could work at low frequency. Furthermore, the high cut-off frequency of acoustic field rotator is linearly related to the aspect ratio of the building block.
Research on acoustic field rotator has been carried out, however, to the best knowledge of the authors, no research has been conducted on the effect of building block size of acoustic field rotator on its operating bandwidth. Five acoustic field rotators with different building blocks have been designed. Finite element software are adopted to investigate the effect of building block size of acoustic field rotator on its operating bandwidth. The simulation results show that the high cut-off frequency of acoustic field rotator decreases with the increase of the aspect ratio of the building block, although the acoustic field rotator could work at low frequency. Furthermore, the high cut-off frequency of acoustic field rotator is linearly related to the aspect ratio of the building block.
引文
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[2]LU M H,FENG L,CHEN Y F.Phononic crystals and acoustic metamaterials[J].Materials Today,2009,12(12):34-42.
[3]倪旭,张小柳,卢明辉,等.声子晶体和声学超构材料[J].物理,2012,41(10):655-662.NI Xu,ZHANG Xiaoliu,LU Minghui,et al.Phononic crystals and acoustic metamaterials[J].Physics,2012,41(10):655-662.
[4]PENDRY J B,HOLDEN A J,ROBBINS D J,et al.Low frequency plasmons in thin-wire structures[J].Journal of Physics:Condensed Matter,1998,10(22):4785.
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[6]PENDRY J B.Negative refraction makes a perfect lens[J].Physical Review Letters,2000,85(18):3966.
[7]ZIOLKOWSKI R W,ERENTOK A.Metamaterial-based efficient electrically small antennas[J].Antennas and Propagation,IEEE Transactions on,2006,54(7):2113-2130.
[8]LIU Z,ZHANG X,MAO Y,et al.Locally resonant sonic materials[J].Science,2000,289(5485):1734-1736.
[9]祝雪丰,梁彬,程建春.声超常材料与声隐身斗篷[J].现代物理知识,2012,24(2):40-46.ZHU Xuefeng,LIANG Bin,CHENG Jianchun.Acoustic metamaterial and acoustic cloak[J].Modern Physics,2012,24(2):40-46.
[10]刘红星,吴九汇,张思文,等.声学超材料研究进展[J].声学与振动,2013,01:7-13.LIU Hongxing,WU Jiuhui,ZHANG Siwen,et al.The Research Progress of Acoustic Metamaterials[J].Open Journal of Acoustics and Vibration,2013,01:7-13.
[11]ALAGOZ S,KAYA O A,ALAGOZ B B.Frequency-controlled wave focusing by a sonic crystal lens[J].Applied Acoustics,2009,70(11):1400-1405.
[12]HO K M,CHENG C K,YANG Z,et al.Broadband locally resonant sonic shields[J].Applied physics letters,2003,83(26):5566-5568.
[13]PIC R,S NCHEZ-MORCILLO V J,P REZ-ARJONA I,et al.Spatial filtering of sound beams by sonic crystals[J].Applied Acoustics,2012,73(4):302-306.
[14]ZUBTSOV M,LUCKLUM R,KE M,et al.2D phononic crystal sensor with normal incidence of sound[J].Sensors and Actuators A:Physical,2012,186:118-124.
[15]WU T T,WANG W S,SUN J H,et al.Utilization of phononic-crystal reflective gratings in a layered surface acoustic wave device[J].Applied physics letters,2009,94(10):101913.
[16]JIANG X,LIANG B,LI R,et al.Ultra-broadband absorption by acoustic metamaterials[J].Applied physics letters,2014,105(24):243505.
[17]WILSON R,REBOUD J,BOURQUIN Y,et al.Phononic crystal structures for acoustically driven microfluidic manipulations[J].Lab on a Chip,2011,11(2):323-328.
[18]CHEN H,CHAN C T.Transformation media that rotate electromagnetic fields[J].Applied physics letters,2007,90(24):241105.
[19]ZANG X F,LI Z,SHI C,et al.Rotatable illusion media for manipulating terahertz electromagnetic waves[J].Optics express,2013,21(21):25565-25572.
[20]CHEN H,HOU B,CHEN S,et al.Design and Experimental Realization of a Broadband Transformation Media Field Rotator at Microwave Frequencies[J].Physical Review Letters,2009,102(18):183903.
[21]JIANG X,LIANG B,ZOU X,et al.Broadband field rotator based on acoustic metamaterials[J].Applied physics letters,2014,104(8):083510.
[22]江雪,梁彬,邹欣晔,等.声场旋转器的设计与实现[C].中国声学学会全国声学学术会议.2014.JIANG Xue,LIANG Bin,ZOU Xinye,et al.Design and realization of the acoustic field rotator[C].National Conference on Acoustics of Acoustical Society of China,2014.
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