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Numerical and experimental investigation into the dynamics of a bubble-free-surface system
Physical Review Fluids ( IF 2.5 ) Pub Date : 2021-01-28 , DOI: 10.1103/physrevfluids.6.013606
N. Bempedelis , J. Zhou , M. Andersson , Y. Ventikos

The aim of the present work is to study the interaction between an oscillating bubble and a free surface. We perform a series of experiments and numerical simulations and attempt to characterize both early and late stages of the interaction. The focus is on providing insight into the mechanisms of bubble-induced atomization. For this reason, we are particularly interested in characterizing the patterns and dynamics of the liquid jets that are formed at the free surface. Observations regarding the evolution of the free surface are presented by measuring the jet's surface area and volume. Finally, based on these quantities, we introduce a metric that may be used to characterize the liquid jetting and predict whether late-time atomization of the interface will occur.

中文翻译:

无气泡表面系统动力学的数值和实验研究

本工作的目的是研究振荡气泡和自由表面之间的相互作用。我们进行了一系列实验和数值模拟,并试图表征相互作用的早期和晚期。重点是提供对气泡诱导雾化机理的见解。因此,我们对表征在自由表面上形成的液体射流的图案和动力学特性特别感兴趣。通过测量射流的表面积和体积,可以观察到有关自由表面演变的信息。最后,基于这些量,我们引入了可用于表征液体喷射并预测是否会发生界面的后期雾化的度量。
更新日期:2021-01-28
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