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A Study on the Resonant Characteristics of a Tonpilz Transducer with a Fixed Tail Mass  

Kim, Jin-Wook (경북대학교 기계공학과)
Kim, Won-Ho (국방과학연구소)
Joh, Chee-Young (국방과학연구소)
Roh, Yong-Rae (경북대학교 기계공학과)
Publication Information
The Journal of the Acoustical Society of Korea / v.29, no.7, 2010 , pp. 439-447 More about this Journal
Abstract
In this paper, the resonant characteristic of a Tonpilz transducer with a fixed tail mass has been researched and the feasibility to utilize the transducer in that resonant frequency has been analyzed. The additional resonance is occurred by adhering an elastic tube to the tail mass of a conventional Tonpilz transducer and fixing the other end of the tube. The characteristic of this low resonant mode is analyzed by means of the finite element method, then it is shown that this mode is affected by the variation of the stiffness of the tube as well as the mass of the head mass and tail mass. Based on the analysis results, the Tonpilz transducer is designed to meet specific performance conditions.
Keywords
Transducer; Tonpilz; Multi-mode Transducer; FEA;
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