空气耦合超声换能器的频域声场研究

doi:10.3901/JME.2019.10.010

机械工程学报 ›› 2019, Vol. 55 ›› Issue (10): 10-16.doi: 10.3901/JME.2019.10.010

空气耦合超声换能器的频域声场研究

李骥^1,2, 李力¹, 邓勇刚³, PIWAKOWSKI Bogdan², 陈法法¹

1. 水电机械设备设计与维护湖北省重点实验室(三峡大学) 宜昌 443002;
2. 里尔中央理工电子、微电子与纳米技术研究所(法国国家科学研究中心) 里尔 59651 法国;
3. 中国石油川庆钻探工程有限公司安全环保质量监督检测研究院广汉 618300

收稿日期:2018-05-16 修回日期:2019-01-02 出版日期:2019-05-20 发布日期:2019-05-20
通讯作者: 李力(通信作者),女,1964年出生,博士,教授。主要研究方向为信号处理、故障诊断、超声无损检测等。E-mail:li7466@ctgu.edu.cn
作者简介:李骥,男,1988年出生,博士。主要研究方向为空气耦合超声检测。E-mail:liji2615@outlook.com
基金资助:
法国国家科学研究中心（SENSO、ENDE）、国家留学基金委（CSC）和国家自然科学基金（51875314）资助项目

Study on Acoustic Field of Air-coupled Ultrasonic Transducer in Frequency Domain

LI Ji^1,2, LI Li¹, DENG Yonggang³, PIWAKOWSKI Bogdan², CHEN Fafa¹

1. Hubei Key Laboratory of Hydroelectric Machinery Design & Maintenance, China Three Gorges University, Yichang 443002;
2. Institute of Electronics, Microelectronics & Nanotechnologies, Centrale Lille, Lille 59651, France;
3. CCDC Safety Environment and Quality Surveillance and Inspection Research Institute, Guanghan 618300

Received:2018-05-16 Revised:2019-01-02 Online:2019-05-20 Published:2019-05-20

摘要/Abstract

摘要： 考虑介质的衰减及其引起的频散对频域声场的影响，提出幂函数衰减介质中圆形换能器声场的解析公式。基于该公式研究空气耦合超声换能器的轴向声压与径向声压分布特征。结果表明：空气中的衰减是引起声场变化的主要因素；相对于零衰减介质，空气中的声压幅度随着传播距离的增加而明显降低，近场长度明显减小，近场内轴向声压的零点、极大值点无偏移，径向声压分布和声束扩散角无变化。研究结果对于空气耦合换能器的设计、空气耦合声场的测量、校准具有重要参考价值，并可以作为ASTM E1065/E1065-14和IEC 62127标准的补充。

关键词: 径向声压, 空气耦合超声, 幂函数衰减, 频域声场, 轴向声压

Abstract: The influence of medium attenuation and the associated dispersion is considered of acoustic field in frequency domain. An analytical solution for the acoustic field radiated from circular ultrasonic transducer into lossy medium with power law attenuation is proposed. Based on the solution, a research on the axial-and radial-acoustic pressure distribution of air-coupled transducer is performed and it shows that:attenuation is the main factor causing acoustic field distortion in air; compared with non-attenuation case, in air, the amplitude of acoustic pressure drops down evidently as a function of propagation distance, the near-field length decreases, the zero-and maxima-points in near-field stay the same, the shape of directivity pattern and beam spread angle have no difference. The result is a good reference for the design of air-coupled transducer and the corresponding acoustic field measurement and calibration; as well it could be a compliment of transducer characterization standard ASTM E1065/E1065-14 and IEC 62127.

Key words: acoustic field in frequency domain, air-coupled ultrasonic, axial acoustic pressure, power law attenuation, radial acoustic pressure

中图分类号:

TB533

李骥, 李力, 邓勇刚, PIWAKOWSKI Bogdan, 陈法法. 空气耦合超声换能器的频域声场研究[J]. 机械工程学报, 2019, 55(10): 10-16.

LI Ji, LI Li, DENG Yonggang, PIWAKOWSKI Bogdan, CHEN Fafa. Study on Acoustic Field of Air-coupled Ultrasonic Transducer in Frequency Domain[J]. Journal of Mechanical Engineering, 2019, 55(10): 10-16.

参考文献

[1] CHIMENTI D E. Review of air-coupled ultrasonic materials characterization[J]. Ultrasonics,2014,54(7):1804-1816.
[2] REMILLIEUX M C,ANDERSON B E,ULRICH T J,et al. Review of air-coupled transduction for nondestructive testing and evaluation[J]. Acoustics Today,2014,10(3):36-45.
[3] 周正干,魏东. 空气耦合超声波无损检测技术的发展[J]. 机械工程学报,2008,44(6):10-14. ZHOU Zhenggan,WEI Dong. Progress of air-coupled ultrasonic non-destructive testing technology[J]. Chinese Journal of Mechanical Engineering,2008,44(6):10-14.
[4] 周正干,孙广开. 先进超声检测技术的研究应用进展[J]. 机械工程学报,2017,53(22):1-10. ZHOU Zhenggan,SUN Guangkai. New progress of the study and application of advanced ultrasonic testing technology[J]. Journal of Mechanical Engineering,2017,53(22):1-10.
[5] American Society for Testing and Materials International,Standard Practice for Evaluating Characteristics of Ultrasonic Search Units. ASTM E1065/E1065M-14[S]. West Conshohocken:ASTM International,2014.
[6] International Electrotechnical Commission. Ultrasonics-hydrophones Part 1:Measurement and characterization of medical ultrasonic fields up to 40 MHz. IEC 62127-1[S]. Geneva:IEC,2013.
[7] KRAUTKRAMER J,KRAUTKRAMER H. Ultrasonic testing of materials[M]. New York:Springer-Verlag Berlin Heidelberg,1990.
[8] 孔涛,徐春广,张运涛,等. 空气耦合超声换能器声场计算与测量研究[J]. 机械工程学报,2011,47(22):19-24. KONG Tao,XU Chunguang,ZHANG Yuntao,et al. Investigation of acoustic field calculation and measurement method for air-coupled ultrasonic transducer[J]. Journal of Mechanical Engineering,2011,47(22):19-24.
[9] GACHAGAN A,HAYWARD G,KELLY S P,et al. Characterization of air-coupled transducers[J]. IEEE Transactions on Ultrasonics,Ferroelectrics,and Frequency Control,1996,43(4):678-688.
[10] BASHFORD A G,SCHINDEL D W,HUTCHINS D A,et al. Field characterization of an air-coupled micromachined ultrasonic capacitance transducer[J]. Journal of Acoustic Society of America,1997,101(1):315-322.
[11] NEILD A,HUTCHINS D A,ROBERTSON T J,et al. The radiated fields of focusing air-coupled ultrasonic phased arrays[J]. Ultrasonics,2005,43(3):183-195.
[12] NEILD A,HUTCHINS D A. A theoretical model for a finite-size acoustic receiver[J]. Journal of Acoustic Society of America,2003,115(4):1546-1556.
[13] HUTCHINS D A,MCLNTOSH J S,NEILD A,et al. Radiated fields of capacitive micromachined ultrasonic transducers in air[J]. Journal of Acoustic Society of America,2003,114(3):1435-1449.
[14] LI J,PIWAKOWSKI B. A time-domain model and experimental validation of the acoustic field radiated by air-coupled transducers[J]. Ultrasonics,2018,82(1):114-129.
[15] SZABO T L. Time domain wave equations for lossy media obeying a frequency power law[J]. Journal of Acoustic Society of America,1994,96(1):491-500.
[16] PINKERTON J M M. The absorption of ultrasonic waves in liquids and its relation to molecular constitution[J]. Proceeding of the Physical Society,1949,62(2):129-141.
[17] BASS H E,SUTHERLAND L C,ZUCKERWAR A J. Atmospheric absorption of sound:Update[J]. Journal of Acoustic Society of America,1990,88(4):2019-2021.
[18] LEE C C,LAHHAM M,MARTIN B G. Experimental verification of the Kramers-Kronig relationship for acoustic waves[J]. IEEE Transactions on Ultrasonics,Ferroelectrics,and Frequency Control,1990,37(4):286-294.
[19] WATERS K R,MOBLEY J,MILLER J G. Causality-imposed (Kramers-Kronig) relationships between attenuation and dispersion[J]. IEEE Transactions on Ultrasonics,Ferroelectrics,and Frequency Control,2005,52(5):822-833.
[20] KELLY J F,MCGOUGH R J. Analytical time-domain Green's functions for power-law media[J]. Journal of Acoustic Society of America,2008,124(5):2861-2872.
[21] WATERS K R,HUGHES M S,MOBLEY J,et al. Differential forms of the Kramers-Kronig dispersion relations[J]. IEEE Transactions on Ultrasonics,Ferroelectrics,and Frequency Control,2003,50(1):68-76.
[22] KINSLER L E,FREY A R,COPPENS A B,et al. Fundamentals of acoustics[M]. London:John Wiley & Sons,Inc.,1999.
[23] WATSON G N,S. S D F R. A treatise on the theory of bessel functions[M]. London:Cambridge University Press,1992.
[24] YOUSIF H A,MELKA R. Bessel function of the first kind with complex argument[J]. Computer Physics Communications,1997,106(3):199-206.
[25] TOIT C F D. Bessel functions Jn(z) and Yn(z) of integer order and complex argument[J]. Computer Physics Communications,1993,78(1-2):181-189.
[26] ABRAHAM O,PIWAKOWSKI B,VILLAIN G,et al. Non-contact,automated surface wave measurements for the mechanical characterization of concrete[J]. Construction and Building Materials,2012,34:904-915.

空气耦合超声换能器的频域声场研究

Study on Acoustic Field of Air-coupled Ultrasonic Transducer in Frequency Domain

PDF

可视化

摘要/Abstract

引用本文

使用本文

参考文献

相关文章 4

编辑推荐

Metrics

本文评价

[1]	刘奎, 张冬梅, 于光, 刘卫平, 周正干, 马保全. 空气耦合超声信号的小波阈值滤噪试验研究[J]. 机械工程学报, 2015, 51(20): 61-66.
[2]	周正干;马保全;孙志明;姜靖涛. 相位编码脉冲压缩方法在空气耦合超声检测信号处理中的应用[J]. , 2014, 50(2): 48-54.
[3]	魏东;周正干. 改进的非线性调频脉冲压缩方法在空气耦合超声检测中的应用[J]. , 2012, 48(16): 8-13.
[4]	周正干;魏东;向上. 线性调频脉冲压缩方法在空气耦合超声检测中的应用研究[J]. , 2010, 46(18): 24-28.