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The chemical effects of collapsing cavitation bubbles

Hoffmann, M. R. (1992) The chemical effects of collapsing cavitation bubbles. In: Cavitation. Proceedings of the Institution of Mechanical Engineers. Mechanical Engineering Publications , London, pp. 159-164. ISBN 0852988044. https://resolver.caltech.edu/CaltechAUTHORS:20150827-104713675

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Abstract

We have been investigating the fundamental chemistry and physics underlying the application of electrohydraulic cavitation as induced by pulsed-power plasma discharge in water, by spark-gap discharge in water (i.e., lithotripsy) and by pulsed (and/ or continuous) ultrasonic irradiation (i.e., sonolysis) of water for the elimination of chlorinated hydrocarbons from water. These three different applications of electric power share a common physical thread, which involves hydraulic cavitation, production of shock waves, release of high energy light, production of hydroxyl radicals, hydrogen atoms, hydrogen peroxide and aquated electrons. The chemical changes of compounds in water pulsed with these different sources of power are induced in part by the violent collapse of cavitation bubbles.


Item Type:Book Section
ORCID:
AuthorORCID
Hoffmann, M. R.0000-0001-6495-1946
Additional Information:© 1992 IMechE. C453/007 The authors grateful acknowledge the financial support of the EPA (Environmental Protection Agency), DARPA (Defense Advance Research Projects Agency), and EPRI (Electric Power Research Institute). We are indebted to Dr. Richard Ayers of Pulsed Power Technology, Inc. for introducing us to this fascinating technology.
Funders:
Funding AgencyGrant Number
Environmental Protection Agency (EPA)UNSPECIFIED
Defense Advanced Research Projects Agency (DARPA)UNSPECIFIED
Electric Power Research Institute (EPRI)UNSPECIFIED
Series Name:Proceedings of the Institution of Mechanical Engineers
Record Number:CaltechAUTHORS:20150827-104713675
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20150827-104713675
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:59926
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:09 Sep 2015 23:06
Last Modified:03 Mar 2020 13:01

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