Results 231 to 240 of about 36,060 (256)
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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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Dynamics of cavitation bubbles
Canadian Journal of Physics, 1976The dynamics of an adiabatic gas–filled bubble in a viscous liquid is studied when subjected to a tension wave produced by a shock wave reflected off the water surface. Below a critical bubble size the water does not cavitate. Numerical solutions show that cavitation causes severe prolongation and attenuation of the original tension wave.
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Dynamics of a single cavitating and reacting bubble
Physical Review E, 2007Some of the studies on the dynamics of cavitating bubbles often consider simplified submodels assuming uniform fluid properties within the gas bubbles, ignoring chemical reactions, or suppressing fluid transport phenomena across the bubble interface. Another group of works, to which the present contribution belongs, includes the radial dependence of ...
Guillermo, Hauke +2 more
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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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Effects of diffusion on gaseous cavitation bubbles
The Journal of the Acoustical Society of America, 1973Rectified diffusion is a mechanism whereby a gas bubble, set into pulsation by a sound field, grows in size because of an effective gating action by the bubble surface area. Bubbles that might otherwise dissolve will grow instead if the sound pressure amplitude exceeds a threshold that depends on the bubble size. A theory of rectified diffusion is used
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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 ...
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MATHEMATCAL THEORY OF CAVITATION BUBBLE DYNNAMICS
Australian Journal of Statistics, 1988This essay is a summary of some of the mathematical developments used to help elucidate the mechanisms responsible for cavitation damage to hydraulic equipment. The theory presented in this paper is entirely deterministic, although one should be aware of the stochastic character of the cavitation inception process and the inherent randomness of ...
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Supersonic needle-jet generation with single cavitation bubbles
Applied Physics Letters, 2021Fabian Reuter, Claus-Dieter Öhl
exaly
Characterization of Cavitation Bubbles and Sonoluminescence
2019Pflieger, Rachel +3 more
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