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      2층 압전 원판형 초음파 트랜스듀서의 진동 특성

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      https://www.riss.kr/link?id=A101865724

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      다국어 초록 (Multilingual Abstract)

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      This paper deals with the vibration characteristics of an ultrasonic transducer of two piezoelectric discs. Theoretically, natural frequencies and mode shapes of in-plane and out-of-plane modes of the transducer were obtained from equations of motion and boundary conditions. By the three-dimensional mode shapes were supplemented. Experimentally, the natural frequencies were measured by an impedance analyzer, and the in-plane mode shapes were obtained from the amplitudes of vibration displacement measured by a laser in-plane vibrometer. The theoretical analysis was verified by comparing three kinds of results, and variations of the vibration characteristics according to the thickness of the piezoelectric disc were identified.
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      This paper deals with the vibration characteristics of an ultrasonic transducer of two piezoelectric discs. Theoretically, natural frequencies and mode shapes of in-plane and out-of-plane modes of the transducer were obtained from equations of motion ...

      This paper deals with the vibration characteristics of an ultrasonic transducer of two piezoelectric discs. Theoretically, natural frequencies and mode shapes of in-plane and out-of-plane modes of the transducer were obtained from equations of motion and boundary conditions. By the three-dimensional mode shapes were supplemented. Experimentally, the natural frequencies were measured by an impedance analyzer, and the in-plane mode shapes were obtained from the amplitudes of vibration displacement measured by a laser in-plane vibrometer. The theoretical analysis was verified by comparing three kinds of results, and variations of the vibration characteristics according to the thickness of the piezoelectric disc were identified.

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      목차 (Table of Contents)

      • ABSTRACT
      • 1. 서론
      • 2. 이론적 해석
      • 3. 유한요소해석
      • 4. 실험
      • ABSTRACT
      • 1. 서론
      • 2. 이론적 해석
      • 3. 유한요소해석
      • 4. 실험
      • 5. 결론
      • References
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