An evaluation of 1-3 connectivity composite transducers for air coupled ultrasonic applications

Hayward, Gordon and Gachagan, Anthony (1996) An evaluation of 1-3 connectivity composite transducers for air coupled ultrasonic applications. Journal of the Acoustical Society of America, 99 (4). pp. 2148-2157. ISSN 0001-4966

Abstract

A combination of theoretical modeling and experimental analysis is used to predict and assess the performance of 1-3 composite transducers for operation in an air-coupled environment. Specifically, finite element analysis, supported by linear systems modeling, is employed to evaluate transmission and reception characteristics over the complete volume fraction range, for operating frequencies in the region of 500 kHz, and the;theory confirmed using novel experimental techniques. The theoretical approach is then extended to assess the influence of matching and backing on transducer sensitivity and bandwidth. Throughout, the influence of air propagation is included in the simulation approach and highlighted where this factor is significant. The work is expected to provide useful design guidelines for the practical ultrasonic engineer.

ORCID iDs

Gachagan, Anthony ORCID: https://orcid.org/0000-0002-9728-4120

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  Item type:	Article
  ID code:	47463
  Dates:	Date Event April 1996 Published
  Keywords:	air-coupled , ultrasonic applications, evaluation, 1-3 connectivity composite transducers , Electrical engineering. Electronics Nuclear engineering, Other systems of medicine, Electrical and Electronic Engineering, Acoustics and Ultrasonics
  Subjects:	Technology > Electrical engineering. Electronics Nuclear engineering Medicine > Other systems of medicine
  Department:	Faculty of Engineering > Electronic and Electrical Engineering Technology and Innovation Centre > Sensors and Asset Management
  Depositing user:	Pure Administrator
  Date deposited:	11 Apr 2014 11:16
  Last modified:	11 Jun 2021 03:34
  URI:	https://strathprints.strath.ac.uk/id/eprint/47463