Results 11 to 20 of about 573,339 (226)
Graphical Models, 2009 We present a novel framework based on a continuous fluid simulator for general simulation of realistic bubbles, with which we can handle as many significant dynamic bubble effects as possible. To capture nature of the very thin liquid film of bubbles, we have developed a regional level set method allowing multi-manifold interface tracking. The regional
Zheng, Wen +2 more
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Bubble formation at a flexible orifice with liquid cross-flow [PDF]
, 2004 In waste water treatment, biological processes for denitrification and nitrification are performed using oxidation ditches. In these reactors, the mixing and the aeration functions are dissociated: a bubble cloud is generated from flexible membrane ...
Castaignède, Vincent +3 more
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Differential criterion of a bubble collapse in viscous liquids [PDF]
, 1999 The present work is devoted to a model of bubble collapse in a Newtonian viscous liquid caused by an initial bubble wall motion. The obtained bubble dynamics described by an analytic solution significantly depends on the liquid and bubble parameters. The
A. J. Walton +22 more
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Tribonucleation of bubbles [PDF]
Proceedings of the National Academy of Sciences, 2014 SignificanceMicroscopic gas–vapor bubbles play an important role in various processes in nature, industry, and medicine. Sometimes they are desired: to lower the temperature at which a liquid starts to boil or to enhance the contrast in medical ultrasound applications. In other cases, bubbles are harmful: they cause damage when expanding and collapsing
S. Wildeman +4 more
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Bubble formation from a flexible hole submerged in an inviscid liquid [PDF]
, 2003 In the waste water treatment industry, a novel gas sparger based on flexible membranes has been used for the last ten years. The objective of the present work is to study the bubble formation generated from a flexible orifice (membrane).
Hebrard, Gilles, Loubière, Karine
core +1 more source
Bubble CPAP: Not All Bubbling Is Good Bubbling [PDF]
Respiratory Care, 2013 Since its introduction over 30 years ago,[1][1] bubble CPAP has become an important part of the management of neonatal respiratory distress syndrome. Similar to “ventilator-derived” or “machine-derived” CPAP devices, bubble CPAP devices apply pressure to the neonatal respiratory system ...
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JOURNAL OF CHEMICAL ENGINEERING OF JAPAN, 2008 In this study, a theoretical model for prediction of bubbling regimes in bubble formation from a single submerged orifice has been developed. The model takes into account both chamber pressure fluctuations, and bubble–bubble and bubble–wall interactions on bubbling regimes.
Xiao, Z. Y., Tan, R. B. H.
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Stages of steady diffusion growth of a gas bubble in strongly supersaturated gas-liquid solution
, 2009 Gas bubble growth as a result of diffusion flux of dissolved gas molecules from the surrounding supersaturated solution to the bubble surface is studied. The condition of the flux steadiness is revealed.
A. E. Kuchma +20 more
core +1 more source
Single-bubble and multi-bubble cavitation in water triggered by laser-driven focusing shock waves
, 2018 In this study a single laser pulse spatially shaped into a ring is focused into a thin water layer, creating an annular cavitation bubble and cylindrical shock waves: an outer shock that diverges away from the excitation laser ring and an inner shock ...
De Colle, F. +7 more
core +1 more source