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
