弯曲振动气介式超声换能器的振动特性及辐射声场研究

被引：17

作者：

林书玉

机构：

[1] 陕西师范大学应用声学研究所西安

来源：

声学与电子工程 | 2004年 / 03期

关键词：

气介超声换能器; 共振频率; 弯曲振动; 辐射声场;

D O I：

暂无

中图分类号：

TB552 [超声换能器];

学科分类号：

摘要：

本文对弯曲振动气介式超声换能器进行了研究,推出了夹心式换能器与弯曲圆板二者复合振子的机电等效电路及其总体频率方程,得出了其远场声压分布及指向性的解析表达式,并数值计算了换能器近场三维声压分布。

引用

页码：1 / 7+16 +16

页数：8

共 13 条

[1]

Flexural Vibrating Free-Edge Plates with Stepped Thickness for Generating High Directional Ultrasonic Radiation. Alfonso Barone,Juan A Gallego Juarez. The Journal of Acoustical society of America . 1972

[2] 压电陶瓷和金属构成的复合薄圆板的强迫振动——B:均匀声压策动 [J].

穆廷荣 .

声学学报, 1983, (06) :364-373

[3]

Acoustic agglomeration of power plant fly ash environmental and hot gas clean-up. Reethof G. ASME Journal of Vibration, Stress and Reliability in Design . 1988

[4] 弯曲振动压电陶瓷薄圆板的等效电路和剪应力 [J].

穆廷荣 .

声学学报, 1983, (01) :45-53

[5]

An "ultrasonic transducer for high powerapplications in gases. Gallego-Juarez JA, Rodriguez-Corral G and Garreton L. Ultuasonics . 1978

[6]

Range finding and surface characterization using high frequency air transducers. Yano T, Tone M, Fukumoto A. IEEE Transactions on Sonics and Ultrasonics . 1987

[7] Capacitive and piezoelectric air-coupled transducers for resonant ultrasonic inspection [J].

Schindel, DW ;

Hutchins, DA ;

Grandia, WA .

ULTRASONICS, 1996, 34 (06) :621-627

[8] THROUGH-THICKNESS CHARACTERIZATION OF SOLIDS BY WIDE-BAND AIR-COUPLED ULTRASOUND [J].

SCHINDEL, DW ;

HUTCHINS, DA .

ULTRASONICS, 1995, 33 (01) :11-17

[9] 压电陶瓷和金属构成的复合薄圆板的强迫振动——A电压策动 [J].

穆廷荣 .

声学学报, 1983, (05) :300-310

[10]

On a modification of vibrating flatplates in order to obtain phase-coherent radiation. Barone A,Juarez J A. Acustica . 1970

← 1 2 →