Initiation stage of nanosecond breakdown in liquid
Mikhail Pekker, Yohan Seepersad, Mikhail Shneider, Alexander Fridman,, Danil Dobrynin
TL;DR
This paper investigates the initiation of nanosecond electrical breakdown in liquids, revealing that cavitation caused by electrostriction forces plays a key role, supported by experimental and theoretical comparison.
Contribution
It introduces a theoretical model linking cavitation to breakdown initiation and validates it with experimental measurements of cavitation area development.
Findings
Cavitation appears during nanosecond breakdown initiation.
Experimental data aligns well with theoretical predictions.
Electrostriction forces induce cavitation leading to breakdown.
Abstract
In this paper, based on a theoretical model [1], it has been shown experimentally that the initial stage of development of a nanosecond breakdown in liquids is associated with the appearance of discontinuities in the liquid (cavitation) under the influence of electrostriction forces. Comparison of experimentally measured area dimensions and its temporal development were found to be in a good agreement with the theoretical calculations.
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