| 宽体液腔Janus-Helmholtz换能器 |
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| 引用本文： | 伊子旭,莫喜平,柴勇,张运强,崔斌.宽体液腔Janus-Helmholtz换能器[J].应用声学,2020,39(5):656-660. |
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| 作者姓名： | 伊子旭 莫喜平 柴勇 张运强 崔斌 |
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| 作者单位： | 中国科学院声学研究所,中国科学院声学研究所,中国科学院声学研究所,中国科学院声学研究所,中国科学院声学研究所 |
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| 基金项目： | 国家自然科学基金项目（11874387）,国家自然科学基金青年科学基金（11804367） |
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| 摘 要： | 本文使用有限元方法对宽体液腔Janus-Helmholtz(JH)换能器进行了仿真分析,得出了壳体宽度拓展增量对JH换能器工作性能的影响规律。使用三维建模的方式,分析了连接部分对换能器性能的影响及宽体壳体的的模态,证明了三维建模的必要性。依据仿真优化结构设计了一款宽体液腔JH换能器并进行了湖上测试。最终测试结果与仿真结果有很好的一致性,相较直筒JH换能器其谐振频率降低300Hz,发射电压响应最高可达144dB。
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| 关 键 词： | Janus-Helmholtz换能器 宽体壳体 有限元分析 振动模态 |
| 收稿时间： | 2020/1/6 0:00:00 |
| 修稿时间： | 2020/8/28 0:00:00 |
The Janus-Helmholtz transducer with dilated cavity |
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| yizixu,moxiping,chaiyong,zhangyunqiang and cuibin.The Janus-Helmholtz transducer with dilated cavity[J].Applied Acoustics,2020,39(5):656-660. |
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| Authors: | yizixu moxiping chaiyong zhangyunqiang and cuibin |
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| Institution: | Institute of Acoustics, Chinese Academy of Sciences,Institute of Acoustics, Chinese Academy of Sciences,Institute of Acoustics, Chinese Academy of Sciences,Institute of Acoustics, Chinese Academy of Sciences,Institute of Acoustics, Chinese Academy of Sciences |
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| Abstract: | In this paper, the finite element method is used to simulate the Janus-Helmholtz (JH) transducer with dilated cavity, and the influence law of shell width increment on the working performance of JH transducer is obtained. By means of three-dimensional modeling, the influence of the connecting part on the performance of the transducer and the mode of the dilated shell are analyzed, and the necessity of three-dimensional modeling is proved. A JH transducer with dilated cavity was designed according to the simulation optimization structure. The final experiment results are in good agreement with the simulation results. Compared with the JH transducer, the resonant frequency is reduced by 300Hz, and the transmitting voltage response is up to 144dB. |
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| Keywords: | Janus-Helmholtz transducer dilated cavity finite element analysis mode of vibration |
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