EPJ Web of Conferences
Volume 25, 2012EFM11 – Experimental Fluid Mechanics 2011
|Number of page(s)||4|
|Section||Experimental Fluid Mechanics 2010 (Selected Papers)|
|Published online||16 April 2012|
Collapse of a cavitation bubble generated by low voltage discharge in water
Faculty of Mechanical Engineering, Technical University
of Liberec, Hálkova
6, 46117, Liberec
1, Czech Republic
firstname.lastname@example.org, 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
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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