Layered cylindrical viscosity sensors

Author

Kielczynski, Piotr ; Pajewski, W. ; Szalewski, M.

Author_Institution

Dept. of Phys. Acoust., Polish Acad. of Sci., Warsaw, Poland

Volume

3

fYear

2004

fDate

23-27 Aug. 2004

Firstpage

1573

Abstract

The electro-elastic behavior of a viscoelastically loaded layered cylindrical resonator comprising of two coupled hollow cylinders is presented. The inner cylinder is piezoelectric. The outer cylinder is a non-piezoelectric (passive) metallic cylinder. Analytical formulas for the elements of the impedance matrix Z of a cylindrical piezoelectric resonator vibrating in a shear mode are established. Moreover, analytical formulas for the electrical admittance of a compound layered cylindrical resonator loaded with a viscoelastic liquid are established. Admittance diagrams obtained using: (1) a continuum electromechanical model; and (2) the elements of the impedance matrix Z are exactly the same. The analysis presented in this paper can be utilized for the design and construction of cylindrical piezoelectric viscosity sensors, annular accelerometers, filters, transducers and multi-layer resonators.

Keywords

crystal resonators; electric admittance; impedance matrix; non-Newtonian fluids; viscosity measurement; annular accelerometers; coupled hollow cylinders; electrical admittance; filters; impedance matrix; layered cylindrical viscosity sensors; multilayer resonators; passive metallic outer cylinder; piezoelectric inner cylinder; piezoelectric resonator; shear mode vibration; transducers; viscoelastic liquid loaded resonator; viscoelastically loaded resonator; Accelerometers; Admittance; Chemical sensors; Elasticity; Electromechanical sensors; Equations; Mechanical sensors; Piezoelectric materials; Surface impedance; Viscosity;

fLanguage

English

Publisher

ieee

Conference_Titel

Ultrasonics Symposium, 2004 IEEE

ISSN

1051-0117

Print_ISBN

0-7803-8412-1

Type

conf

DOI

10.1109/ULTSYM.2004.1418120

Filename

1418120