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RISS 인기검색어
- 검색키워드
- 저자 : Szu-Chi Tien (검색결과 2 건)
- 무료
- 기관 내 무료
- 유료
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The study on piezoelectric transducers: theoretical analysis and experimental verification
Sung, Chia-Chung,Tien, Szu-Chi Techno-Press 2015 Smart Structures and Systems, An International Jou Vol.15 No.4
The main purpose of this research is to utilize simple mathematical models to depict the vibration behavior and the resulted sound field of a piezoelectric disk for ultrasonic transducers. Instead of using 1-D vibration model, coupled effect between the thickness and the radial motions was considered to be close to the real vibration behavior. Moreover, Huygens-Fresnel principle was used in both incident and reflected waves to analyze the sound field under obstacles in finite distance. Results of the tested piezoelectric disk show that, discrepancies between the simulation and experiment are 2.5% for resonant frequency and 12% for resulted sound field. Therefore, the proposed method can be used to reduce the complexity in modeling vibration problems, and increase the reliability on analyzing piezoeletric transducers in the design stage.
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The study on piezoelectric transducers: theoretical analysis and experimental verification
Chia-Chung Sung,Szu-Chi Tien 국제구조공학회 2015 Smart Structures and Systems, An International Jou Vol.15 No.4
The main purpose of this research is to utilize simple mathematical models to depict thevibration behavior and the resulted sound field of a piezoelectric disk for ultrasonic transducers. Instead ofusing 1-D vibration model, coupled effect between the thickness and the radial motions was considered to beclose to the real vibration behavior. Moreover, Huygens-Fresnel principle was used in both incident andreflected waves to analyze the sound field under obstacles in finite distance. Results of the testedpiezoelectric disk show that, discrepancies between the simulation and experiment are 2.5% for resonantfrequency and 12% for resulted sound field. Therefore, the proposed method can be used to reduce thecomplexity in modeling vibration problems, and increase the reliability on analyzing piezoeletric transducersin the design stage.
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