Clarification of sound radiation mechanism for airborne ultrasonic transducer
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- Sakai Shinichi
- Mitsubishi Electric Engineering Co. Ltd.
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- Shiozawa Yasuo
- Faculty of Science and Engineering, Chuo University
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- Toi Takeshi
- Faculty of Science and Engineering, Chuo University
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説明
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.
収録刊行物
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- Acoustical Science and Technology
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Acoustical Science and Technology 30 (6), 404-409, 2009
一般社団法人 日本音響学会
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詳細情報 詳細情報について
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- CRID
- 1390001205088661120
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- NII論文ID
- 130000727100
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- NII書誌ID
- AA11501808
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- ISSN
- 13475177
- 03694232
- 13463969
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- NDL書誌ID
- 10415916
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可