Results 171 to 180 of about 27,426 (211)
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AIChE Journal, 2008
AbstractGenerating hydrodynamic/ acoustic cavitation (Gogate et al.) for a useful purpose encompasses the following energy transformation steps: (1) Burning fuel in boiler. (2) Expanding the steam in a turbine generator. (3) Using electrical output from the generator to: (a) Pump water through a mechanical constriction (hydrodynamic cavitation), or (b)
A. V. Mahulkar +3 more
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AbstractGenerating hydrodynamic/ acoustic cavitation (Gogate et al.) for a useful purpose encompasses the following energy transformation steps: (1) Burning fuel in boiler. (2) Expanding the steam in a turbine generator. (3) Using electrical output from the generator to: (a) Pump water through a mechanical constriction (hydrodynamic cavitation), or (b)
A. V. Mahulkar +3 more
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Particulate Projectiles Driven by Cavitation Bubbles
Physical Review Letters, 2022The removal of surface-attached particles with cavitation bubbles is usually attributed to the jetting or shear stresses when bubbles collapse. In this Letter, we report an unexpected phenomenon that millimeter-sized spherical particles made of heavy metals (e.g., stainless steel), when initially resting on a fixed rigid substrate, are suddenly ...
Zibo Ren +3 more
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Cavitation Bubbles Near Boundaries
Annual Review of Fluid Mechanics, 1987Revue de resultats experimentaux et theoriques concernant l'effondrement de bulles de cavitation pres de frontieres rigides, de surfaces libres, d'interfaces entre deux fluides de densites differentes et de materiaux ...
J R Blake, D C Gibson
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1999
The basic problem in understanding bubble dynamics during the cavitation process is determining the pressure and velocity fields in the two-fluid medium along with the motion of the bubble wall under the influence of time-dependent (hydrodynamic, acoustic, or optical) pressure.
Y. T. Shah, A. B. Pandit, V. S. Moholkar
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The basic problem in understanding bubble dynamics during the cavitation process is determining the pressure and velocity fields in the two-fluid medium along with the motion of the bubble wall under the influence of time-dependent (hydrodynamic, acoustic, or optical) pressure.
Y. T. Shah, A. B. Pandit, V. S. Moholkar
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Asymmetric Cavitation Bubble Collapse
Journal of Fluids Engineering, 1973Numerical results describing the asymmetric collapse of vapor bubbles in an incompressible liquid for various cases of axial symmetry involving boundary conditions which prevent the maintenance of spherical symmetry are presented using a modified Marker-and-Cell (MAC) technique.
T. M. Mitchell, F. G. Hammitt
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Traveling-bubble cavitation noise
The Journal of the Acoustical Society of America, 1981High-speed films were taken of traveling-bubble cavitation on a Schiebe nose while the accompanying noise signal was recorded. These results showed rebounds to generate almost as much noise as the initial collapse. By counting the number of noise bursts occurring for given noise level and flow parameters, it was found that the noise energy per bubble ...
Mark F. Hamilton +2 more
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Nonlinear bubble dynamics of cavitation
The Journal of the Acoustical Society of America, 2012A theoretical framework for studying cavitation dynamics is revived. It consists of a nonlinear sound wave equation in an acoustic cavitation environment together with the bubble motion equation. The nonlinear sound wave equation considers time delayed bubble-bubble interaction.
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Bubble Dynamics and Cavitation
Annual Review of Fluid Mechanics, 1977The first analysis of a problem in cavitation and bubble dynamics was made by Rayleigh (1917), who solved the problem of the collapse of an empty cavity in a large mass of liquid. Rayleigh also considered in this same paper the problem of a gas-filled cavity under the assumption that the gas undergoes isothermal com pression.
Plesset, Milton S., Prosperetti, Andrea
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Collapse of cavitation bubbles near air bubbles
Journal of Hydrodynamics, 2019The cavitation erosion is one of the common damage modes in water engineering. The study of the interaction among cavitation bubbles, air bubbles and the wall is of great significance for understanding the mechanism of the air entrainment to alleviate the cavitation and to enhance the cavitation erosion mitigation effect of aeration.
Jing Luo, Wei-lin Xu, Rui Li
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1995
Abstract In the preceding chapter some of the equations of bubble dynamics were developed and applied to problems of bubble growth. In this chapter we continue the discussion of bubble dynamics but switch attention to the dynamics of collapse and, in particular, consider the consequences of the violent collapse of vapor-filled ...
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Abstract In the preceding chapter some of the equations of bubble dynamics were developed and applied to problems of bubble growth. In this chapter we continue the discussion of bubble dynamics but switch attention to the dynamics of collapse and, in particular, consider the consequences of the violent collapse of vapor-filled ...
openaire +1 more source