Bubble size measurements in different acoustic cavitation structures: Filaments, clusters, and the acoustically cavitated jet

Numerical assessment of cavitation-induced erosion using a multi-scale Euler–Lagrange method

“…Shedding frequencies obtained from pure Euler-Euler simulations agreed favourably with those obtained by Mihatsch et al (2011Mihatsch et al ( , 2015 who used a compressible solver to investigate the flow through this axisymmetric nozzle. As the distribution of cavitation nuclei can strongly influence cavitation behaviour, we additionally made use of a measurement-based distribution of nuclei based on experiments of Reuter et al (2018). We assumed that this measurement-based nucleus distribution was reasonable because it provided the gas content of Lagrangian bubbles without considering additional assumptions.…”

“…Smaller bubbles did not oscillate to sizes large enough to be measured because of the high surface tension of bubbles below the threshold by Blake, Mettin et al (1997). To obtain a measurement-based nuclei distribution, we normalised the distribution of Reuter et al (2018) and combined it with a simple quadratic polynomial as follows:…”

“…A more realistic distribution of nuclei was derived from optical measurements. Reuter et al (2018) conducted bubble size measurements in various structures of acoustically generated cavitation. They investigated a hydrodynamic jet where no cavitation appeared at the beginning.…”

Structures of Reaction Products and Degradation Pathways of Aflatoxin B1 by Ultrasound Treatment

“…Ultrasonic waves can break down oxygen gas molecules dissolved in water [31]. Several studies have shown that ultrasound bombardment of water generates hydroxyl (OH•), hydrogen atoms (H•), and hydrogen peroxide [32,33]. As the concentrations of these species were not quantified during ultrasound treatment, it is unknown which species reacted with AFB 1 .…”

Enhanced crystallisation kinetics of edible lipids through the action of a bifurcated streamer

“…Each of the ultrasonic powers explored in this study was associated with a distinct cavitation cluster event previously observed within a liquid soybean oil sample. 28,36…”