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- W1995731390 abstract "Summary form only given, as follows. By coupling with the boundary-fitted grid, a two-dimensional quasi-stationary particle-in-cell (PIC) code has been developed to study the pulsed power field-emissive diode when the duration emission varies. The code serves to simulate the electron motion in a self-consistent manner. Since most of the diodes are of cylindrical symmetry, the particles are studied in the r-z plane. Because recent electron accelerator applications such as free-electron lasers and high-power microwave tubes require bursts of very short pulses, evaluation of the maximum current intensity versus emission duration is of interest. Several cases for a planar diode were considered to illustrate the performance of the code. With a constant applied voltage, the current densities approach the space-charge-limited current density. For short electron flow duration with sine-shape voltage pulse, the relations between the peak current densities and the width of the pulses are obtained by the PIC code" @default.
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- W1995731390 date "1990-01-01" @default.
- W1995731390 modified "2023-09-26" @default.
- W1995731390 title "PIC simulations in an emissive diode with different flow duration" @default.
- W1995731390 doi "https://doi.org/10.1109/plasma.1990.110860" @default.
- W1995731390 hasPublicationYear "1990" @default.
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