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Extreme conditions during multibubble cavitation: Sonoluminescence as a spectroscopic probe
2011
Ultrasonics sonochemistry
We review recent work on the use of sonoluminescence (SL) to probe spectroscopically the conditions created during cavitation, both in clouds of collapsing bubbles (multibubble sonoluminescence, (MBSL)) and in single bubble events. The effective MBSL temperature can be controlled by the vapor pressure of the liquid or the thermal conductivity of the dissolved gas over a range from $1600 to $9000 K. The effective pressure during MBSL is $300 bar, based on atomic line shifts. Given nanosecond
doi:10.1016/j.ultsonch.2010.12.012
pmid:21247788
fatcat:og32gmb4kjgdvcuwtgkybuu2qy