Clarification of sound radiation mechanism for airborne ultrasonic transducer

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概要

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• An airborne ultrasonic transducer is generally required to generate high sound pressure in order to realize precise detection and long-range measurement. The purpose of this study is to analyze the vibration mechanism of a piezoceramic transducer and to indicate guidelines for the optimum structure in order to increase the pressure amplitude. We focus our attention on the peak appearance in the pressure response of the transducer. We then clarify, experimentally and numerically, the sound radiation mechanism from vibrational and acoustical points of view. In this report, we present newly observed vibration modes with two peaks and promising schemes for efficiently increasing the sound pressure amplitude.

• 社団法人 日本音響学会の論文

著者

• Sakai Shinichi

  Mitsubishi Electric Engineering Co. Ltd.

• Shiozawa Yasuo

  Faculty of Science and Engineering, Chuo University

• Toi Takeshi

  Faculty of Science and Engineering, Chuo University

関連論文

• Clarification of sound radiation mechanism for airborne ultrasonic transducer

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