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Title: A low-voltage spark-discharge method for generation of consistent oscillating bubbles
Authors: Goh, B.H.T.
Oh, Y.D.A.
Klaseboer, E.
Ohl, S.W.
Khoo, B.C. 
Issue Date: Jan-2013
Citation: Goh, B.H.T., Oh, Y.D.A., Klaseboer, E., Ohl, S.W., Khoo, B.C. (2013-01). A low-voltage spark-discharge method for generation of consistent oscillating bubbles. Review of Scientific Instruments 84 (1) : -. ScholarBank@NUS Repository.
Abstract: Underwater spark-discharge methods have been widely utilized for experimental studies in many fields such as material processing, water treatment, and cavitation bubble dynamics. However, the precise control of bubble size using this method has been difficult. This poses challenges to better understand the complex interactions of non-spherical cavitation bubble growth and collapse, which require fine and careful control of bubble size. A novel low-voltage (60.0 V) underwater spark-discharge method using a metal-oxide-semiconductor field effect transistor is presented here. We are able to repeatedly generate oscillating bubbles of consistent maximum radius, a. The dependency of the total circuit resistance to spark-generated bubble size in this method is discussed. © 2013 American Institute of Physics.
Source Title: Review of Scientific Instruments
ISSN: 00346748
DOI: 10.1063/1.4776187
Appears in Collections:Staff Publications

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