Probing the pressure dependence of sound speed and attenuation in bubbly media: Experimental observations, a theoretical model and numerical calculations
The problem of attenuation and sound speed of bubbly media has remained partially
unsolved. Comprehensive data regarding pressure-dependent changes of the attenuation …
unsolved. Comprehensive data regarding pressure-dependent changes of the attenuation …
Nonlinear dynamics of acoustic bubbles excited by their pressure-dependent subharmonic resonance frequency: influence of the pressure amplitude, frequency …
Nonlinear behavior of bubbles, and most importantly 1 2 1 2-order subharmonics (SH), are
used to increase the contrast-to-tissue ratio (CTR) in diagnostic ultrasound (US) and to …
used to increase the contrast-to-tissue ratio (CTR) in diagnostic ultrasound (US) and to …
[HTML][HTML] Numerical investigation of the effect of bubble properties on the linear resonance frequency shift due to inter-bubble interactions in ultrasonically excited lipid …
Ultrasonically excited microbubbles (MBs) have numerous applications in various fields,
such as drug delivery, and imaging. Ultrasonically excited MBs are known to be nonlinear …
such as drug delivery, and imaging. Ultrasonically excited MBs are known to be nonlinear …
[HTML][HTML] Collective nonlinear behavior of interacting polydisperse microbubble clusters
Acoustically excited microbubbles (MBs) have shown to exhibit rich dynamics, enabling
them to be employed in various applications ranging from chemistry to medicine. Exploiting …
them to be employed in various applications ranging from chemistry to medicine. Exploiting …
[HTML][HTML] Nonlinear acoustic theory on flowing liquid containing multiple microbubbles coated by a compressible visco-elastic shell: Low and high frequency cases
Microbubbles coated by visco-elastic shells are important for ultrasound diagnosis using
contrast agents, and the dynamics of single coated bubbles has been investigated in the …
contrast agents, and the dynamics of single coated bubbles has been investigated in the …
Classification of the major nonlinear regimes of oscillations, oscillation properties, and mechanisms of wave energy dissipation in the nonlinear oscillations of coated …
Acoustic waves are dissipated when they pass through bubbly media. Dissipation by
bubbles takes place through thermal dam** (Td), radiation dam** (Rd), and dam** …
bubbles takes place through thermal dam** (Td), radiation dam** (Rd), and dam** …
[HTML][HTML] Nonlinear dynamics and bifurcation structure of ultrasonically excited lipid coated microbubbles
In many applications, microbubbles (MBs) are encapsulated by a lipid coating to increase
their stability. However, the complex behavior of the lipid coating including buckling and …
their stability. However, the complex behavior of the lipid coating including buckling and …
[HTML][HTML] Nonlinear power loss in the oscillations of coated and uncoated bubbles: Role of thermal, radiation and encapsulating shell dam** at various excitation …
This study presents the fundamental equations governing the pressure dependent disipation
mechanisms in the oscillations of coated bubbles. A simple generalized model (GM) for …
mechanisms in the oscillations of coated bubbles. A simple generalized model (GM) for …
[HTML][HTML] Study of non-spherical bubble oscillations under acoustic irradiation in viscous liquid
The effect of dissipation on the shape stability of a harmonically excited bubble is
investigated. The employed liquid is the highly viscous glycerine. The rate of the dissipation …
investigated. The employed liquid is the highly viscous glycerine. The rate of the dissipation …
Experimental and numerical evidence of intensified non-linearity at the microscale: The lipid coated acoustic bubble
A lipid coated bubble (LCB) oscillator is a very interesting non-smooth oscillator with many
important applications ranging from industry and chemistry to medicine. However, due to the …
important applications ranging from industry and chemistry to medicine. However, due to the …