Electric breakdown in liquids : faster ignition using less energy

Yan, Ting-Ting, Zhong, Xiao-Xia, Rider, Amanda E., & Ostrikov, Kostya (2013) Electric breakdown in liquids : faster ignition using less energy. Plasma Processes and Polymers, 10(5), pp. 422-429.

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Abstract

The formation of vapor layers around an electrode immersed in a conducting liquid prior to generation of a plasma discharge is studied using numerical simulations. This study quantifies and explains the effects of the electrode geometry and applied voltage pulses, as well as the electrical and thermal properties of the liquids on the temporal dynamics of the pre-breakdown conditions in the vapor layer. This model agrees well with experimental data, in particular, the time needed to reach the electrical breakdown threshold. Because the time needed for discharge ignition can be accurately predicted from the model, the parameters such as the pulse shape, voltage, and electrode configuration can be optimized under different liquid conditions, which facilitates a faster and more energy-efficient plasma generation.

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ID Code: 74680
Item Type: Journal Article
Refereed: Yes
DOI: 10.1002/ppap.201200160
ISSN: 1612-8850
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: � 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Deposited On: 04 Aug 2014 03:35
Last Modified: 04 Aug 2014 23:02

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