Oscillatory limited compressible fluid flow induced by the radial motion of a thick-walled piezoelectric tube

Dong-Youn Shin, Paul Grassia, Brian Derby

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

A simple oscillatory, slightly compressible, fluid flow model in a thick-walled piezoelectric tube used in a drop-on-demand inkjet print head is developed from the point of view of fluid-structure interaction to take account of pressure wave propagation and pressure loading opposing wall motion. A frequency sweep is performed computationally using the model revealing the first acoustic fluid-structure resonance frequency and the influence of fluid viscosity. The validity of the model, with given information on the speed of sound in a fluid, is evaluated by comparing the theoretically predicted resonance frequency to the experimentally measured resonance frequency. In addition, the intrinsic speed of sound can be easily computed using the measured acoustic resonance frequency and this computed speed of sound agrees closely with speeds of sound reported in the literature.
Original languageEnglish
Pages (from-to)1314-1321
Number of pages8
JournalJournal of the Acoustical Society of America
Volume114
Issue number3
Early online date27 Aug 2003
DOIs
Publication statusPublished - 1 Sep 2003

Fingerprint

compressible fluids
Acoustic wave velocity
fluid flow
Flow of fluids
tubes
acoustics
fluids
Fluids
Acoustics
Fluid structure interaction
acoustic resonance
sweep frequency
Wave propagation
elastic waves
Viscosity
wave propagation
viscosity
Sound
interactions

Keywords

  • acoustic resonance
  • speed of sound
  • acoustic modeling
  • acoustical measurements
  • fluid flows

Cite this

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abstract = "A simple oscillatory, slightly compressible, fluid flow model in a thick-walled piezoelectric tube used in a drop-on-demand inkjet print head is developed from the point of view of fluid-structure interaction to take account of pressure wave propagation and pressure loading opposing wall motion. A frequency sweep is performed computationally using the model revealing the first acoustic fluid-structure resonance frequency and the influence of fluid viscosity. The validity of the model, with given information on the speed of sound in a fluid, is evaluated by comparing the theoretically predicted resonance frequency to the experimentally measured resonance frequency. In addition, the intrinsic speed of sound can be easily computed using the measured acoustic resonance frequency and this computed speed of sound agrees closely with speeds of sound reported in the literature.",
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Oscillatory limited compressible fluid flow induced by the radial motion of a thick-walled piezoelectric tube. / Shin, Dong-Youn; Grassia, Paul; Derby, Brian.

In: Journal of the Acoustical Society of America, Vol. 114, No. 3, 01.09.2003, p. 1314-1321.

Research output: Contribution to journalArticle

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