[HTML][HTML] Fundamental studies of ultrasonic melt processing
Ultrasonic (cavitation) melt processing attracts considerable interest from both academic and
industrial communities as a promising route to provide clean, environment friendly and …
industrial communities as a promising route to provide clean, environment friendly and …
Probing the pressure dependence of sound speed and attenuation in bubbly media: Experimental observations, a theoretical model and numerical calculations
The problem of attenuation and sound speed of bubbly media has remained partially
unsolved. Comprehensive data regarding pressure-dependent changes of the attenuation …
unsolved. Comprehensive data regarding pressure-dependent changes of the attenuation …
[HTML][HTML] Low-intensity ultrasound induced cavitation and streaming in oxygen-supersaturated water: Role of cavitation bubbles as physical cleaning agents
T Yamashita, K Ando - Ultrasonics Sonochemistry, 2019 - Elsevier
A number of acoustic and fluid-dynamic phenomena appear in ultrasonic cleaning baths
and contribute to physical cleaning of immersed surfaces. Propagation and repeated …
and contribute to physical cleaning of immersed surfaces. Propagation and repeated …
[HTML][HTML] Numerical modelling of acoustic streaming during the ultrasonic melt treatment of direct-chill (DC) casting
Acoustic streaming and its attendant effects in the sump of a direct-chill (DC) casting process
are successfully predicted under ultrasonic treatment for the first time. The proposed …
are successfully predicted under ultrasonic treatment for the first time. The proposed …
[HTML][HTML] Ultrasonic liquid metal processing: The essential role of cavitation bubbles in controlling acoustic streaming
The acoustic streaming behaviour below an ultrasonic sonotrode in water was predicted by
numerical simulation and validated by experimental studies. The flow was calculated by …
numerical simulation and validated by experimental studies. The flow was calculated by …
[HTML][HTML] Understanding the ultrasound field of high viscosity mixtures: Experimental and numerical investigation of a lab scale batch reactor
A Bampouli, Q Goris, J Van Olmen, S Solmaz… - Ultrasonics …, 2023 - Elsevier
In this work, mixtures of increasing viscosity (from 0.9 to≈ 720 mPas) are sonicated directly
using an ultrasonic horn at 30 kHz to investigate the effect of viscosity on the ultrasound field …
using an ultrasonic horn at 30 kHz to investigate the effect of viscosity on the ultrasound field …
Numerical simulation of ultrasonic enhancement by acoustic streaming and thermal effect on mass transfer through a new computation model
X Chen, Q Jiao, X Tan, W Wang - International Journal of Heat and Mass …, 2021 - Elsevier
Mass transfer coefficient is an important parameter in the process of mass transfer to reflect
the degree of enhancement of mass transfer process in liquid–solid reaction and in non …
the degree of enhancement of mass transfer process in liquid–solid reaction and in non …
Modelling of low-frequency acoustic wave propagation in dilute gas-bubbly liquids
Z Wang, W Zhou, T Shu, Q Xue, R Zhang… - International Journal of …, 2022 - Elsevier
A numerical modelling method for the low-frequency (∼ 10 2 Hz) acoustic wave propagation
in a bubbly fluid with a low gas fraction is developed in this paper. Based on the digital …
in a bubbly fluid with a low gas fraction is developed in this paper. Based on the digital …
A computational framework for the multiphysics simulation of microbubble-mediated sonothrombolysis using a forward-viewing intravascular transducer
Sonothrombolysis is a technique that utilises ultrasound waves to excite microbubbles
surrounding a clot. Clot lysis is achieved through mechanical damage induced by acoustic …
surrounding a clot. Clot lysis is achieved through mechanical damage induced by acoustic …
Simulations of a full sonoreactor accounting for cavitation
In spite of the increasing interest in ultrasound processing applications, industrial scale-up
remains limited, in particular by the unavailability of predictive computer tools. In this study …
remains limited, in particular by the unavailability of predictive computer tools. In this study …