Cavitation Nucleation
Cavitation Nucleation - Related Videos
08:19
Controllable Nucleation of Cavitation from Plasmonic Gold Nanoparticles for Enhancing High Intensity Focused Ultrasound Applications
0 Views •
Cited by 4 •
2018
This protocol demonstrates the controllable nucleation of cavitation in gel phantoms, through simultaneous exposure to both near-infrared pulsed laser light and high intensity focused ultrasound (HIFU). The cavitation activity can then be used for enhancing imaging and/or therapeutic uses of HIFU.
14:22
Activating Molecules, Ions, and Solid Particles with Acoustic Cavitation
0 Views •
Cited by 6 •
2014
Acoustic cavitation in liquids submitted to power ultrasound creates transient extreme conditions inside the collapsing bubbles, which are the origin of unusual chemical reactivity and light emission, known as sonoluminescence. In the presence of noble gases, nonequilibrium plasma is formed. The "hot" particles and the photons generated by collapsing bubbles are able to excite species in solution.
09:41
Visualization of Cell Cycle Variations and Determination of Nucleation in Postnatal Cardiomyocytes
0 Views •
Cited by 5 •
2017
To distinguish cell division from cell cycle variations in cardiomyocytes, we present protocols using two transgenic mouse lines: Myh6-H2B-mCh transgenic mice, for the unequivocal identification of cardiomyocyte nuclei, and CAG-eGFP-anillin mice, for distinguishing cell division from cell cycle variations.
08:24
Nitrogen Cavitation and Differential Centrifugation Allows for Monitoring the Distribution of Peripheral Membrane Proteins in Cultured Cells
0 Views •
Cited by 15 •
2017
Here we present protocols for detergent-free homogenization of cultured mammalian cells based on nitrogen cavitation and subsequent separation of cytosolic and membrane-bound proteins by ultracentrifugation. This method is ideal for monitoring the partitioning of peripheral membrane proteins between soluble and membrane fractions.
09:53
Automated Microfluidic Blood Lysis Protocol for Enrichment of Circulating Nucleated Cells
0 Views •
Cited by 4 •
2009
An automated microfluidic device was developed for circulating nucleated cell enrichment from peripheral blood via erythrocyte lysis that ensures isolation of high quality sample without cell loss.
FAQs
Pressure relative to the liquid’s vapor pressure determines whether an existing nucleus can grow. When local pressure falls below that threshold, a microscopic gas pocket or cavity may expand; if pressure remains higher, growth is limited. This makes pressure distribution a central design variable in predicting where cavitation may begin.
Different nuclei do not have identical behavior. Dissolved gas, microscopic surface imperfections, and suspended particles provide distinct starting conditions for cavity formation, so the same pressure field may produce different cavitation responses in different liquids or hardware. Accounting for these sources helps explain why nucleation depends on fluid and surface condition, not pressure alone.
Pressure recovery is important because it can convert bubble growth into a damaging collapse event. As the surrounding pressure rises after a low-pressure region, the cavity may contract rapidly, producing intense local forces. In engineering systems, this sequence links nucleation to practical consequences such as surface damage, noise, vibration, and performance loss.
An engineering assessment begins by identifying low-pressure regions and comparing local pressure with the liquid’s vapor pressure. Engineers then consider dissolved gas, surface imperfections, and suspended particles as possible nucleation sources. Evaluating these factors together helps locate vulnerable components and supports decisions about pressure control and surface or fluid-condition management.
Pump, turbine, propeller, valve, and hydraulic-system designs all benefit from examining cavitation nucleation. The relevant concern is not only whether vapor bubbles appear, but whether their growth and later collapse can impair operation. This analysis can guide safer, more efficient designs by connecting local flow conditions with noise, vibration, damage, and reduced performance.
Controlling dissolved gas and surface condition complements pressure management. Because nuclei can originate from gas in the liquid, microscopic imperfections, or suspended particles, changing only the pressure may not fully address the risk. Engineers therefore use a combined view of pressure, fluid condition, and hardware surfaces when seeking to reduce unwanted cavitation.