Torsional Wave Propagation in a Circumferentially Poled Piezoelectric Cylindrical Transducer with Unattached Electrodes

被引：12
|
作者：
Zhang, Chun Li [1 ]
Chen, Wei Qiu [2 ,3 ]
机构：
[1] Zhejiang Univ, Dept Civil Engn, Hangzhou 310003, Zhejiang, Peoples R China
[2] Zhejiang Univ, Dept Engn Mech, Hangzhou 310003, Zhejiang, Peoples R China
[3] Zhejiang Univ, State Key Lab CAD & CG, Hangzhou 310003, Zhejiang, Peoples R China
来源：
IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL | 2010年 / 57卷 / 05期
基金：
中国国家自然科学基金;
关键词：
QUARTZ RESONATORS; VIBRATION ANALYSIS; VARYING THICKNESS; PLATES; SHELLS; SENSOR; FLUID;
D O I：
10.1109/TUFFC.2010.1536
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
The present study is devoted to the propagation of torsional waves in a circumferentially poled piezoelectric hollow cylinder with air gaps between the cylinder surfaces and two electrodes. The state space method is employed to obtain a transfer relation between the state variables at the inner and outer surfaces of the hollow cylinder. The air gaps are treated as the free space. The characteristic equations are derived by taking into account the boundary and continuity conditions. Numerical examples clearly show the effect of gaps on the wave propagation in the piezoelectric hollow cylinder.
引用
收藏
页码：1230 / 1236
页数：7
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