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Direct observation of shockwaves, cavitation, and jetting inside liquid droplets during high-speed impact. [PDF]
Ultrason SonochemAgrež V +6 more
europepmc +1 more source
Mechanism study of low-ambient-pressure effects on the efficiency of cavitation erosion mitigation by air bubbles in gas-liquid two-phase flow. [PDF]
Ultrason SonochemQu T, Luo J, Li J, Fu G, Yang H, Xu W.
europepmc +1 more source
Ultrasonics Sonochemistry, 1997 The dynamics of cavitation bubbles on water is investigated for bubbles produced optically and acoustically. Single bubble dynamics is studied with laser produced bubbles and high speed photography with framing rates up to 20.8 million frames per second. Examples for jet formation and shock wave emission are given.
Claus-Dieter Ohl, Werner Lauterborn
exaly +3 more sources
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Vortex ring and bubble interaction: Effects of bubble size on vorticity dynamics and bubble dynamics
Physics of Fluids, 2023Bubbly turbulent flows involve complex interactions between bubbles and vortices, in which their size ratio plays a critical role. The present work investigates an idealization, namely, the interaction of a single air bubble with a (water) vortex ring, with the focus being on the effects of the bubble-to-vortex core size ratio (Db/Dc,o) on the bubble ...
Subhajit Biswas, Raghuraman N. Govardhan
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An introduction to bubble dynamics
Physical Chemistry Chemical Physics, 2007The creation, understanding and control of mesoscopic chemical objects are at the core of many areas of chemistry and physics. Their preparation depends on a variety of nucleation and aggregation processes and they are exploitable for practical purposes, including fabrication techniques. At the opposite end, are cavitation phenomena.
LUGLI, FRANCESCA, ZERBETTO, FRANCESCO
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Cardiovascular Bubble Dynamics
Critical Reviews in Biomedical Engineering, 2005Gas bubbles can form in the cardiovascular system as a result of patho-physiological conditions or can be intentionally introduced for diagnostic or therapeutic reasons. The dynamic behavior of these bubbles is caused by a variety of mechanisms, such as inertia, pressure, interfacial tension, viscosity, and gravity.
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Communications in Nonlinear Science and Numerical Simulation, 2004
This work reviews the study of the symmetry approach in bubble dynamics and its applications to nonlinear acoustics. Point symmetries of the respective model equations are used to study the dynamics of single bubble pulsations, tethered bubbles and the distribution of coagulating bubbles.
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This work reviews the study of the symmetry approach in bubble dynamics and its applications to nonlinear acoustics. Point symmetries of the respective model equations are used to study the dynamics of single bubble pulsations, tethered bubbles and the distribution of coagulating bubbles.
openaire +1 more source
Bubble Dynamics for Single Bubble Sonoluminescence
Journal of the Physical Society of Japan, 2001Problems involved in the bubble dynamics models which have been suggested to explain the sonoluminesence phenomena from a single bubble under ultrasound were discussed. One of the problems is proper choice of the time scale of the driving force, which is related to numerical artifacts due to the mismatch between the natural frequency of an oscillator ...
Ho-Young Kwak +2 more
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Bubble and bubble cloud dynamics
AIP Conference Proceedings, 2000Cavitation bubbles are formed from small air bubbles, so-called nuclei, with the surrounding pressure reduction caused by the flow, and then, the bubbles shrink and collapse with the surrounding pressure rise. Such volumetric changes of bubbles are calculated in detail and it is found that they are significantly influenced by the internal phenomena ...
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