Results 331 to 340 of about 251,081 (383)
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Medical Engineering & Physics, 2009
This article reviews the role of cavitation in the therapeutic applications of ultrasound and laser surgery, and the cavitation effects in mechanical heart valves. Whenever laser pulses are used to ablate or disrupt tissue in a liquid environment, cavitation bubbles are produced which interact with the tissue. The interaction between cavitation bubbles
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This article reviews the role of cavitation in the therapeutic applications of ultrasound and laser surgery, and the cavitation effects in mechanical heart valves. Whenever laser pulses are used to ablate or disrupt tissue in a liquid environment, cavitation bubbles are produced which interact with the tissue. The interaction between cavitation bubbles
openaire +2 more sources
Cavitation and Cavitation Erosion
2014In this chapter, an introduction to cavitation and cavitation erosion is presented. Cavitation involves the development of various types of vapor structures (such as attached cavities, travelling bubbles, vortical cavities, bubble clouds) in liquid flow due to a drop in the local pressure below a critical value usually close to the vapor pressure ...
Georges L. Chahine +2 more
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Critical Reviews™ in Biomedical Engineering, 2006
Acoustic cavitation takes place when tiny gas bubbles oscillate, grow, and collapse in liquid under the influence of ultrasonic field. This study reviews cavitation bioeffects that are found both in vivo and in vitro when exposed to either low- or high-power acoustics.
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Acoustic cavitation takes place when tiny gas bubbles oscillate, grow, and collapse in liquid under the influence of ultrasonic field. This study reviews cavitation bioeffects that are found both in vivo and in vitro when exposed to either low- or high-power acoustics.
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, 2020
Cavitation is a process of liquid evaporation, bubble or vapor sheet formation, and further collapse of vapor structures, which plays a destructive role in many industrial applications.
Ebrahim Kadivar +5 more
semanticscholar +1 more source
Cavitation is a process of liquid evaporation, bubble or vapor sheet formation, and further collapse of vapor structures, which plays a destructive role in many industrial applications.
Ebrahim Kadivar +5 more
semanticscholar +1 more source
Coccidioidal pulmonary cavitation
The American Journal of Medicine, 1958Abstract 1.1. Seventy-seven cases of coccidioidal pulmonary cavitation have been summarized. 2.2. Cavitation is found in about 1 to 3 per cent of hospitalized patients with coccidioidomycosis, or about 0.1 per cent of all patients with this disease. 3.3.
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Cavitation nuclei and cavitation noise
The Journal of the Acoustical Society of America, 1988Present understanding of the influence of nuclei on the onset of cavitation and the generation of radiated cavitation noise is reviewed. It is now generally accepted that the formation of cavities in a liquid at only moderate negative pressures requires the presence of nuclei in the liquid; the experiments of Greenspan and Tschiegg, among others, leave
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, 2020
Cavitation is a complicated phenomenon in the centrifugal pump. In this work, the improved unsteady calculation model based on bubble-rotation-based Zwart–Gerber–Belamri (BRZGB) cavitation model is used to investigate the cavitation-vortex-pressure ...
Weihua Sun, L. Tan
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Cavitation is a complicated phenomenon in the centrifugal pump. In this work, the improved unsteady calculation model based on bubble-rotation-based Zwart–Gerber–Belamri (BRZGB) cavitation model is used to investigate the cavitation-vortex-pressure ...
Weihua Sun, L. Tan
semanticscholar +1 more source
1997
Abstract ‘Cavitation is a most unpleasant hydrodynamic phenomenon, whose harmful effects are both widespread and obvious, and seriously handicap many areas of science and engineering. Conversely, its basic nature has long been veiled in mystery and only recently is it beginning to be understood’ wrote Knapp et al. (197GB).
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Abstract ‘Cavitation is a most unpleasant hydrodynamic phenomenon, whose harmful effects are both widespread and obvious, and seriously handicap many areas of science and engineering. Conversely, its basic nature has long been veiled in mystery and only recently is it beginning to be understood’ wrote Knapp et al. (197GB).
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Influence of water quality on the tip vortex cavitation inception
The Physics of Fluids, 2019Tip vortex cavitation (TVC) is an important type of cavitation. There is an urgent need for the accurate prediction of its inception condition. The water quality, i.e., the distribution of nuclei, is one of the main contributors to the TVC inception ...
Linya Chen +3 more
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Hydrodynamic cavitation as a promising route for wastewater treatment – A review
, 2021Baowei Wang, H. Su, Bojin Zhang
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