[1]周天放,蓝宇,桑永杰.空腔式前盖板宽带纵向换能器研究[J].哈尔滨工程大学学报,2016,37(09):1215-1219,1226.[doi:10.11990/jheu.201506051]
 ZHOU Tianfang,LAN Yu,SANG Yongjie.Research on longitudinal broadband transducer with cavity-type front cover[J].hebgcdxxb,2016,37(09):1215-1219,1226.[doi:10.11990/jheu.201506051]
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空腔式前盖板宽带纵向换能器研究(/HTML)
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《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
37
期数:
2016年09期
页码:
1215-1219,1226
栏目:
出版日期:
2016-09-25

文章信息/Info

Title:
Research on longitudinal broadband transducer with cavity-type front cover
文章编号:
1209
作者:
周天放12 蓝宇12 桑永杰12
1. 哈尔滨工程大学 水声技术重点实验室, 黑龙江 哈尔滨 150001;
2. 哈尔滨工程大学 水声工程学院, 黑龙江 哈尔滨 150001
Author(s):
ZHOU Tianfang12 LAN Yu12 SANG Yongjie12
1. Acoustic Science and Technology Laboratory, Harbin Engineering University, Harbin 150001, China;
2. College of Underwater Acoustic Engineering, Harbin Engineering University, Harbin 150001, China
关键词:
空腔式前盖板纵向换能器宽带多模态耦合有限元法优化设计
分类号:
TB565.1
DOI:
10.11990/jheu.201506051
文献标志码:
A
摘要:
纵向换能器实现宽带性能有较多方法,但是拓宽频带有限。为了改善宽带性能,在传统纵向复合棒换能器的基础上,通过在前盖板处开有空腔结构来产生多种振动模态,利用多模态耦合原理实现换能器更宽频带性能。利用ANSYS有限元软件对换能器进行优化设计并制作了试验样机,测量得到在4.5-14 kHz的频带内,换能器的最大发送电压响应值为148.9 dB,响应起伏9 dB。仿真分析与实验结果表明,与传统的纵向换能器相比,空腔式前盖板纵向换能器在拓宽频带方面效果显著,达到了一个倍频程以上。

参考文献/References:

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相似文献/References:

[1]季博成,蓝宇,周天放.压电单晶双激励宽带纵向换能器[J].哈尔滨工程大学学报,2018,39(09):1472.[doi:10.11990/jheu.201706078]
 JI Bocheng,LAN Yu,ZHOU Tianfang.Piezoelectric single-crystal dual-excited broadband longitudinal transducer[J].hebgcdxxb,2018,39(09):1472.[doi:10.11990/jheu.201706078]

备注/Memo

备注/Memo:
收稿日期:2015-7-8。
基金项目:国家自然科学基金项目(11374073).
作者简介:周天放(1985-),男,讲师,博士研究生;蓝宇(1974-),男,研究员,博士.
通讯作者:蓝宇(1974-),E-mail:lanyu@hrbeu.edu.cn.
更新日期/Last Update: 2016-10-27