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Self-pulsing of a micro thin cathode discharge

By Alexander Wollny, Markus Gebhardt, Torben Hemke, Ralf Peter Brinkmann and Thomas Mussenbrock


Microplasmas operated at atmospheric pressure show a number of peculiar dynamic phenomena. One of these phenomena is self-pulsing, which is characterized by intrinsic pulsing behavior of a DC driven plasma discharge. This work focuses on the numerical simulation of self-pulsing in a micro thin cathode discharge operated in atmospheric pressure argon. By means of a hybrid plasma model we show self-pulsing of the discharge in the expected MHz frequency range and described its actual origin

Topics: Physics - Plasma Physics, Physics - Computational Physics
Year: 2011
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