Physicists of Ruhr-Universität Bochum (RUB) have taken spectacular pictures that allow the ignition process of plasma under water to be viewed and tracked in real time. Dr. Katharina Grosse has provided the first data sets with ultra-high temporal resolution, supporting a new hypothesis on the ignition of these plasmas: In the nanosecond range, there is not enough time to form a gas environment. Electrons generated by field effects lead to the propagation of the plasma. The nanosecond plasma ignites directly in the liquid, regardless of the polarity of the voltage. The report from the Collaborative Research Centre 1316 “Transient Atmospheric Pressure Plasmas: from Plasma to Liquids to Solids” has been published in the Journal of Applied Physics and Rubin, the RUB’s science magazine.
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Source: Phys.org