Article

Sonoluminescence and stirring in high viscose liquids (en)

Authors

* Presenting author
Day / Time: 09.03.2023, 14:40-15:00
Room: Saal Y4
Typ: Vortrag (strukturierte Sitzung)
Session: Kavitation mit Schwerpunkt maritimer Kontext 2
Abstract: Liquid viscosity is a relevant parameter for acoustic cavitation and ultrasonically driven bubbles. However, its influence on bubble dynamics and bubble structure formation remains to a good part unexplored. As well, liquid viscosity effects on the bubble collapse hot spot, sonochemistry, and sonoluminescence are not fully understood yet. Stirring of liquid has an effect on the intensity of sonoluminescence by means of the influence in bubble dynamics, also it can influence the radical production of sonochemical processes. Here we report on results from a systematic project study that intends to fill some of these gaps. Focus is set on the peculiar sonoluminescence features of multi-bubble fields related to individual and collective dynamics of bubbles in different liquids under variation of viscosity, and further on stirring effect and sonoluminescence emissions.
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