Bibliographic Details
| Title: |
Characterization of sandwiched piezoelectric transducers - a complement for teaching electric circuits. |
| Authors: |
Arnold, F. J.1 arnold@ft.unicamp.br, Bravo-Roger, L. L.1, Gonçalves, M. S.1, Grilo, M.1 |
| Source: |
Latin-American Journal of Physics Education. Jun2012, Vol. 6 Issue 2, p216-220. 5p. |
| Subject Terms: |
Piezoelectric transducers, Piezoelectric devices, Electric circuits, Electric lines, Electric circuit analysis |
| Abstract (English): |
This paper shows a method for simplifying the equivalent electric circuit of sandwiched piezoelectric transducers. The analysis of the transducers is performed using elementary electric network theory. The simplicity of the method enables students of introductory semesters of Physical courses to understand the operation principles of sandwiched piezoelectric transducers. Besides, the physical properties of the transducer's pieces relative to the longitudinal vibration mode are determined. The paper's purpose can be used as complement for teaching fundamentals of piezoelectricity and electric networks. The experimental procedure is simple too and the instruments employed in the measurements are found in low cost teaching laboratories. The results obtained with the tested transducers show that the parameters found have similar values to those obtained from Brazilian suppliers. Moreover, the fact of using a technological application is motivating and encourages the development of interdisciplinary activities. [ABSTRACT FROM AUTHOR] |
| Abstract (Spanish): |
Este trabajo muestra un método para simplificar la equivalencia de un circuito eléctrico de transductores piezoeléctricos intercalados. El análisis de los transductores es realizado usando la teoría elemental de red eléctrica. La simplicidad del método permite a los estudiantes de semestres básicos de cursos de Física entender los principios operación de intercalado de transductores piezoeléctricos. Además, se determinan las propiedades físicas de las piezas de los transductores en relación con el modo de vibración longitudinal. El propósito del artículo puede ser usado como complemento para los fundamentos de enseñanza de redes eléctricas y piezoeléctricas. El procedimiento experimental es demasiado simple y los instrumentos empleados en las mediciones son encontrados en los laboratorios de enseñanza de bajo costo. Los resultados obtenidos con los transductores probados muestran que los parámetros encontrados tienen valores similares a los obtenidos de proveedores Brasileños. Por otra parte, el hecho de utilizar una aplicación tecnológica es motivante y fomenta el desarrollo de actividades interdisciplinarias. [ABSTRACT FROM AUTHOR] |
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| Database: |
Education Research Complete |
