Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference (한국전기전자재료학회:학술대회논문집)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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An Analysis of the Acoustic Radiation Characteristics from the Acoustic Transducer

압전세라믹스를 이용한 음향트랜스듀서의 음향방사특성 해석

  • 노현택 (영남대학교 대학원 센서 및 시스템공학과) ;
  • 고영준 (영남대학교 대학원 센서 및 시스템공학과) ;
  • 박재성 (영남대학교 전기전자공학부) ;
  • 남효덕 (영남대학교 전기전자공학부) ;
  • 장호경 (경산대학교 자연과학부)
  • Published : 2000.07.01
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Abstract

The acoustic characteristics radiated from the acoustic transducer with metal-piezoceramic laminated circular plate were simulated. The Vibrational modes of metal-piezoceramic laminated circular plates were calculated by using the finite element method. After meshing the inside closed boundary of the acoustic transducer, the pressure gradients and the isotaric lines were calculated for the various frequencies. It has been observed that the characteristics of the sound pressure calculated for the various frequencies. Also, the directivity patterns and the sound pressure radiated from the acoustic transducer were calculated by 2-dimensional analysis.

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