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In this paper the effect of the electrode erosion on discharge mechanism in subnanosecond regime has been investigated. The equations of current density and temperature distribution in the cathode together with the equation of state of the cathode material have been simulated using appropriate boundary conditions given by emission mechanisms at the cathode surface for different electrode geometries...
Sub-nanosecond breakdown of low pressure gaseous spark gaps has been investigated using a combined modeling of the volume discharge in gas and the electron emission at the electrodes. For this purpose, in the gaseous region the continuity equations for the electrons and ions are solved together with the Poisson's equation. In the electrodes, the thermo-field electron emission current at the surface...
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