| 横波直探头的辐射声场 |
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| 引用本文： | 吴迪, 李明轩, 王小民, 成跃. 横波直探头的辐射声场[J]. 声学学报, 2007, 32(2): 103-109. DOI: 10.15949/j.cnki.0371-0025.2007.02.002 |
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| 作者姓名： | 吴迪 李明轩 王小民 成跃 |
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| 作者单位： | 1.中国科学院声学研究所 北京 100080 |
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| 摘 要： | 分析了采用2/2型压电复合材料制作的一种水平面内偏振的横波直探头的辐射声场特性,推导了两种表面力源辐射声场的严格解析解,通过数值计算给出了相应声场分布和指向性图,得到了横波垂直辐射指向性,并与实验结果进行了对比。实验所得声场指向性与理论计算结果符合较好,为该换能器的工程应用提供了理论依据。
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| 收稿时间： | 2006-04-13 |
| 修稿时间： | 2006-04-13 |
The ultrasonic field radiated by a normal shear wave probe |
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| WU Di, LI Mingxuan, WANG Xiaomin, CHENG Yue. The ultrasonic field radiated by a normal shear wave probe[J]. ACTA ACUSTICA, 2007, 32(2): 103-109. DOI: 10.15949/j.cnki.0371-0025.2007.02.002 |
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| Authors: | WU Di LI Mingxuan WANG Xiaomin CHENG Yue |
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| Affiliation: | 1.Institute of Acoustics, Chinese Academy of Sciences Beijing 100080 |
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| Abstract: | The ultrasonic field of horizontally polarized shear wave radiated by a 2/2 piezoelectric composite normal probe was studied.The strictly analytic field solutions for two different surface forces were deduced and the field distribution and directivity patterns were plotted by numerical calculations.The vertical radiated field of shear wave was obtained theoretically and compared with experiment.The experimental result of directivity pattern conformed the theoretical prediction,which provided the theoretical basis for the engineering application of the transducer |
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