Relationship between the harmonic components and illuminating frequency for the microbubbles: Experimental and numerical consideration

Shinichi Takeuchi, Kawan Soetanto, Motoyoshi Okujima

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The nonlinear response of microbubbles has been considered as a basis for ultrasound blood vascular image enhancement system using nonlinear behavior of microbubbles. In this paper, the relationship between the condition of microbubble samples and illuminating conditions of ultrasound for the microbubbles coated with a surfactant membrane are studied experimentally and by numerical simulation. The effect of the number of ultrasound pulse shots, illuminating frequency and size distribution of bubbles are considered, experimentally. To simulate the relationship between the illuminating frequency of ultrasound exposed to the bubbles and the behavior of the harmonic component, a mathematical model, taking into consideration the compressibility of the surrounding liquid around the bubbles and the effect of the coated membrane is proposed.

Original languageEnglish
Pages (from-to)3074-3077
Number of pages4
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume37
Issue number5 SUPPL. B
Publication statusPublished - 1998 May
Externally publishedYes

Fingerprint

illuminating
bubbles
Ultrasonics
harmonics
membranes
image enhancement
frequency distribution
nonlinear systems
Membranes
shot
compressibility
blood
Image enhancement
mathematical models
Bubbles (in fluids)
surfactants
Compressibility
Nonlinear systems
Surface active agents
Blood

Keywords

  • Coated membrane
  • Compressibility
  • Harmonics
  • Mathematical model
  • Microbubbles
  • Size distribution

ASJC Scopus subject areas

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

Cite this

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