| Issue |
EPJ Web of Conferences
Volume 25, 2012
EFM11 – Experimental Fluid Mechanics 2011
|
|
|---|---|---|
| Article Number | 02016 | |
| Number of page(s) | 4 | |
| Section | Experimental Fluid Mechanics 2010 (Selected Papers) | |
| DOI | https://doi.org/10.1051/epjconf/20122502016 | |
| Published online | 16 April 2012 | |
https://doi.org/10.1051/epjconf/20122502016
Collapse of a cavitation bubble generated by low voltage discharge in water
1
Faculty of Mechanical Engineering, Technical University
of Liberec, Hálkova
6, 46117, Liberec
1, Czech Republic
milos.mulier@tul.cz, jiri.unger,a.@tul.cz, T.Budarek aseznam.cz
2
Department of Thermodynamics, Institute of
Thermomechanics, v. v. i., Academy of Sciences,
Dolejškova 5,
18200
Praha, Czech
Republic
zimap@it.cas.cz
The article presents experimental results of the optical study of cavitation bubble collapse close to a solid boundary in water. The bubble was generated by discharge of two low-voltage capacitors. High-speed CCD camera was used to record the time evolution of the bubble size. High-power halogen lamp was used for illumination. The system was synchronized by pulse generator connected to an oscilloscope. The velocity of the re-entrant jet was estimated from the time resolved photography for different maximum bubble sizes.
© Owned by the authors, published by EDP Sciences, 2012
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