A model for large amplitude oscillations of coated bubbles accounting for buckling and rupture

Philippe Marmottant, Sander Van Der Meer, Marcia Emmer, Michel Versluis, Nico De Jong, Sascha Hilgenfeldt, Detlef Lohse

Research output: Contribution to journalArticle

Abstract

We present a model applicable to ultrasound contrast agent bubbles that takes into account the physical properties of a lipid monolayer coating on a gas microbubble. Three parameters describe the properties of the shell: a buckling radius, the compressibility of the shell, and a break-up shell tension. The model presents an original non-linear behavior at large amplitude oscillations, termed compression-only, induced by the buckling of the lipid monolayer. This prediction is validated by experimental recordings with the high-speed camera Brandaris 128, operated at several millions of frames per second. The effect of aging, or the resultant of repeated acoustic pressure pulses on bubbles, is predicted by the model. It corrects a flaw in the shell elasticity term previously used in the dynamical equation for coated bubbles. The break-up is modeled by a critical shell tension above which gas is directly exposed to water.

Original languageEnglish (US)
Pages (from-to)3499-3505
Number of pages7
JournalJournal of the Acoustical Society of America
Volume118
Issue number6
DOIs
StatePublished - Jan 1 2005

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buckling
bubbles
oscillations
lipids
pressure pulses
high speed cameras
gases
compressibility
elastic properties
physical properties
recording
coatings
radii
acoustics
defects
predictions
water
Bubble
Shell
Rupture

ASJC Scopus subject areas

  • Arts and Humanities (miscellaneous)
  • Acoustics and Ultrasonics

Cite this

A model for large amplitude oscillations of coated bubbles accounting for buckling and rupture. / Marmottant, Philippe; Van Der Meer, Sander; Emmer, Marcia; Versluis, Michel; De Jong, Nico; Hilgenfeldt, Sascha; Lohse, Detlef.

In: Journal of the Acoustical Society of America, Vol. 118, No. 6, 01.01.2005, p. 3499-3505.

Research output: Contribution to journalArticle

Marmottant, Philippe ; Van Der Meer, Sander ; Emmer, Marcia ; Versluis, Michel ; De Jong, Nico ; Hilgenfeldt, Sascha ; Lohse, Detlef. / A model for large amplitude oscillations of coated bubbles accounting for buckling and rupture. In: Journal of the Acoustical Society of America. 2005 ; Vol. 118, No. 6. pp. 3499-3505.
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