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비틀림 진동 변환기용 압전 원판의 진동특성 해석Vibration Characteristics Analysis of a Piezoelectric Disc for Torsional Transducers
- Other Titles
- Vibration Characteristics Analysis of a Piezoelectric Disc for Torsional Transducers
- Issue Date
- Dec-2005
- Publisher
- 한국소음진동공학회
- Keywords
- Piezoelectricity; Transducer; Torsional Vibration; Natural Frequency; Characteristics Equation; Impedance; 압전; 변환기; 비틀림 진동; 고유진동수; 특성방정식; 임피던스
- Citation
- 한국소음진동공학회논문집, v.15, no.12, pp.1416 - 1421
- Journal Title
- 한국소음진동공학회논문집
- Volume
- 15
- Number
- 12
- Start Page
- 1416
- End Page
- 1421
- ISSN
- 1598-2785
- Abstract
- This paper presents an analytical approach for the vibration characteristics of a piezoelectric disc for torsional vibration transducers. The characteristic equation of the piezoelectric annular disc has been derived from Gibbs’ free energy equations and mechanical and electrical equilibrium. With an anisotropic material properties of the disc, the characteristic equation has yielded resonance frequencies. Numerically-calculated results have been compared with the results obtained by the finite element analysis and experiments and have confirmed the validity of the theoretical analysis.
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Related Researcher
- Kim, Jin Oh
- College of Engineering (School of Mechanical Engineering)