Broadband barrel‐stave flextensional transducers

2006 ◽  
Vol 119 (5) ◽  
pp. 3409-3409
Author(s):  
Dennis F. Jones
Keyword(s):  
Flextensional Transducers

Barrel-Stave Flextensional Transducers for Sonar Applications

1995 ◽  
Author(s):  
D. F. Jones ◽  
D. J. Lewis ◽  
C. G. Reithmeier ◽  
G. A. Brownell
Keyword(s):  
Frequency Tuning ◽  
Low Cost ◽  
Low Frequency ◽  
Quality Factors ◽  
Active Components ◽  
Sound Sources ◽  
Resonance Frequencies ◽  
Sonar Systems ◽  
Defence Research ◽  
Flextensional Transducers

Abstract Barrel-stave flextensional transducers are low frequency underwater projectors that can be used as active components in long-range sonar systems or as versatile sound sources in oceanographic applications. The advantages offered by this type of flextensional transducer include low frequency, high power, small size, low weight, post-assembly frequency tuning, and low cost due to simplicity in its design and assembly. The construction of three barrel-stave projectors, investigated at the Defence Research Establishment Atlantic (DREA) in recent years, is briefly described. The performance goals for each of these projectors are shown to be consistent with the criteria that distinguish the first three classes in the Brigham-Royster classification scheme for flextensional transducers. Important in-water performance parameters, such as the resonance frequencies, transmitting voltage responses, source levels, mechanical quality factors, and electroacoustic efficiencies, are presented. In addition, these parameters are compared to those of other experimental and commercial barrel-stave flextensional designs.

Arbitrary-directional broadband vibration energy harvesting using magnetically coupled flextensional transducers

2018 ◽  
Vol 27 (9) ◽  
pp. 095010 ◽  
Author(s):  
Lin-Chuan Zhao ◽  
Hong-Xiang Zou ◽  
Ge Yan ◽  
Wen-Ming Zhang ◽  
Zhi-Ke Peng ◽  
...  
Keyword(s):  
Energy Harvesting ◽  
Vibration Energy ◽  
Vibration Energy Harvesting ◽  
Flextensional Transducers

Composite flextensional transducers for sensing and actuating

1994 ◽  
Vol 156 (1) ◽  
pp. 67-72 ◽  
Author(s):  
James F. Tressler ◽  
Q. C. Xu ◽  
Shoko Yoshikawa ◽  
Kenji Uchino ◽  
Robert E. Newnham
Keyword(s):  
Flextensional Transducers

Frequency fine-tuning in Class IV flextensional transducers

2007 ◽  
Vol 68 (10) ◽  
pp. 1280-1285 ◽  
Author(s):  
K.P.B. Moosad ◽  
P. Krishnakumar ◽  
G. Chandrashekar ◽  
R.M.R. Vishnubhatla
Keyword(s):  
Fine Tuning ◽  
Class Iv ◽  
Flextensional Transducers
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