Electrical equivalent circuit of loaded thick langevin flexural transducer

Yoshikazu Koike, Takeshi Tamura, Sadayuki Ueha

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

In this paper, an electrical equivalent circuit of a loaded thick Langevin flexural transducer is proposed. As there are two vibration components at the mechanical output terminal of a thick flexural transducer, that is, lateral and rotational components. A load, corresponding to each vibration component, applied to the transducer must also be considered separately. When it is assumed that the load is fluid and that the mechanical output port is the end surface of the flexural transducer, the rotary motion of the end surface only contributes to sound radiation into fluid. An analytical solution of Timoshenko's beam theory given by Miklowitz and the piezoelectric equation are applied to calculate the free vibration mode and the electrical equivalent components of transducer. Using this derived equivalent circuit, the behavior of the loaded flexural transducer is experimentally studied to prove the validity of the proposed circuit.

Original languageEnglish
Pages (from-to)3121-3125
Number of pages5
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume36
Issue number5 SUPPL. B
Publication statusPublished - 1997 May
Externally publishedYes

Fingerprint

equivalent circuits
Equivalent circuits
Transducers
transducers
Timoshenko beams
vibration
Fluids
output
fluids
free vibration
vibration mode
Acoustic waves
Radiation
acoustics
Networks (circuits)
radiation

Keywords

  • Equivalent circuit
  • Flexural mode
  • Langevin transducer
  • Piezoelectric element
  • Radiation impedance

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)
  • Engineering(all)

Cite this

Electrical equivalent circuit of loaded thick langevin flexural transducer. / Koike, Yoshikazu; Tamura, Takeshi; Ueha, Sadayuki.

In: Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers, Vol. 36, No. 5 SUPPL. B, 05.1997, p. 3121-3125.

Research output: Contribution to journalArticle

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