Numerical simulation of high power microwave breakdown on dielectric surface at different gas pressures

cai libing; wang jianguo; zhu xiangqin

Volume 22 Issue 10

Sep. 2010

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Article Navigation > High Power Laser and Particle Beams > 2010 > 22(10): 0-

ning cheng, yang zhen hua, ding ning. Process of radiation magnetohydrodynamics in Al wirearray Zpinch[J]. High Power Laser and Particle Beams, 2002, 14.

Citation:

cai libing, wang jianguo, zhu xiangqin. Numerical simulation of high power microwave breakdown on dielectric surface at different gas pressures[J]. High Power Laser and Particle Beams, 2010, 22.

ning cheng, yang zhen hua, ding ning. Process of radiation magnetohydrodynamics in Al wirearray Zpinch[J]. High Power Laser and Particle Beams, 2002, 14.

Citation:

cai libing, wang jianguo, zhu xiangqin. Numerical simulation of high power microwave breakdown on dielectric surface at different gas pressures[J]. High Power Laser and Particle Beams, 2010, 22.

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Numerical simulation of high power microwave breakdown on dielectric surface at different gas pressures

1.
Northwest Institute of Nuclear Technology,P.O.Box 69-15,Xi’an 710024,China

Publish Date: 2010-09-03

Abstract

Abstract

This paper presents the electrostatic particle-in-cell (PIC) Monte Carlo collisions (MCC) method for simulating the breakdown on dielectric surface illuminated by high-power microwaves, and the dielectric surface breakdown at different pressures in argon is simulated by the PIC-MCC code. The temporal evolution of the number of particles and the mean kinetic energy of electrons, and the breakdown delay time are obtained. The simulation results show that, in the case of low pressure, the influence of multipactor is visible, while the number of electrons increases slowly after saturation and the breakdown delay is long. As the pressure increases, the influence of multipactor becomes smaller with gas ionization starting to dominate the breakdown process, and the breakdown delay gradually becom
- dielectric surface breakdown,
- high power microwave,
- multipactor,
- particle in cell-monte carlo collisions

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