EPJ Web Conf.
Volume 143, 2017EFM16 – Experimental Fluid Mechanics 2016
|Number of page(s)||4|
|Published online||12 May 2017|
Comparison of ultrasound and LIB generated cavitation bubble
Department of Physical Measurement, Technical University of Liberec, The Institute for Nanomaterials, Advanced Technology and Innovation, Studentska 1402/2 Liberec 1 461 17, Czech Republic
* Corresponding author: firstname.lastname@example.org
Published online: 12 May 2017
There has been tried many methods how to generate single cavitation bubble. The purpose of these experiments is to observe the surface impact of collapsing cavitating bubbles. The most of method are based on spark to induced superheat limit of liquid. Here we compare the one of these methods – laser induced breakdown (LIB) with more correct mechanical way using ultrasound as generator. There is described the setup for ultrasound cavitation effecting the sessile bubble as well as random generated and moving bubble. We visualize the cavitation bubble using high speed camera of speed 180 kHz. There are observed interface instabilities as the ultrasound response.
© The Authors, published by EDP Sciences, 2017
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