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Proceedings Paper

Shock waves and cavitation bubbles in water and isooctane generated by Nd:YAG laser: experimental and theoretical results
Author(s): Milos Muller; Walter Garen; Sandra Koch; Frantisek Marsik; Walter Neu; Eduado Saburov
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Paper Abstract

Temporal evolution of laser generated cavitation bubbles and shock waves were studied. Q-switched Nd-Yag laser pulses at 1064 nm are focused into the liquid. An Imager 3 CCD camera with multi exposure mode allows recording of 10 images with minimal exposure delay of 100 ns and minimal exposure time of 100 ns. Illumination is provided by xenon flash lamp for single exposure (shock wave recording) and by halogen lamp for multi exposure mode (bubble recording). Distilled water and a retrograde fluid, isooctane, have been under investigation to identify the differences in the cavitation process and shock wave propagation. The calculation of the shock wave velocities in water and isooctane are based on image recording at constant exposure time of 100 ns and using laser differential interferometry. Strong differences of bubble oscillation were observed in water and isooctane. Gilmore's model is used for numerical simulation of bubble dynamics.

Paper Details

Date Published: 2 April 2004
PDF: 8 pages
Proc. SPIE 5399, Laser-Assisted Micro- and Nanotechnologies 2003, (2 April 2004); doi: 10.1117/12.552976
Show Author Affiliations
Milos Muller, Technical Univ. of Liberec (Czech Republic)
Walter Garen, Fachhochschule Oldenburg/Ostfriesland/Wilhelmshaven (Germany)
Sandra Koch, Fachhochschule Oldenburg/Ostfriesland/Wilhelmshaven (Germany)
Frantisek Marsik, Institute of Thermomechanics AS CR (Czech Republic)
Walter Neu, Fachhochschule Oldenburg/Ostfriesland/Wilhelmshaven (Germany)
Eduado Saburov, Technical State Univ. Archangelsk (Russia)

Published in SPIE Proceedings Vol. 5399:
Laser-Assisted Micro- and Nanotechnologies 2003
Vadim P. Veiko, Editor(s)

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