Study on the Wideband Tonpilz Transducer with a Cavity-Type Head Mass

Hyunki Kim; Youngsub Lim; Yongrae Roh

doi:10.7776/ASK.2014.33.2.094

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2014 Vol.33, Issue 2 Preview Page Next Page

Study on the Wideband Tonpilz Transducer with a Cavity-Type Head Mass 중공형 전면추를 가진 Tonpilz 트랜스듀서 연구

31 March 2014. pp. 94-101

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Abstract

In this work, we present an underwater acoustic transducer with a cavity-type head mass to achieve a wide frequency bandwidth. We analyzed the effects of design variables on the transducer characteristics, and optimized the structure of the Tonpilz transducer based on the analysis results. Further, validity of the design was verified by manufacturing a prototype of the transducer and measuring its properties. The designed transducer had a far wider -6 dB fractional bandwidth which is 131 % than that of a single mode transducer, and the measured results were confirmed to be in good agreement with the analysis results.

Keywords

Tonpilz transducer

Cavity

Wideband

Transmitting Voltage Response (TVR)

본 연구에서는 수중 음향 트랜스듀서의 주파수 광대역화를 위해서 중공형 전면추를 가진 Tonpilz 트랜스듀서를 제안하였다. 트랜스듀서의 특성에 미치는 설계변수들의 영향을 분석하고, 그 결과에 따라 Tonpilz 트랜스듀서의 최적구조를 설계하였다. 나아가 시편의 제작 및 특성 측정을 통하여 설계 결과의 타당성을 검증하였다. 설계된 트랜스듀서는 단일모드 트랜스듀서에 비해 월등히 넓은 131 %의 -6 dB 비대역폭을 나타내었으며, 해석 결과와 측정 결과가 잘 일치하는 것으로 확인되었다.

키워드

Tonpilz 트랜스듀서

중공형

광대역

송신음압감도(TVR)

References

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Information

Publisher :The Acoustical Society of Korea
Publisher(Ko) :한국음향학회
Journal Title :The Journal of the Acoustical Society of Korea
Journal Title(Ko) :한국음향학회지
Volume : 33
No :2
Pages :94-101
Received Date : 2014-01-21
Accepted Date : 2014-03-06
DOI :https://doi.org/10.7776/ASK.2014.33.2.094

The Journal of the Acoustical Society of KoreaISSN:1225-4428(Print) 2287-3775(Online)한국음향학회

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