3D hybrid computations for streamer discharges and production of run-away electrons

Abstract

We introduce a 3D hybrid model for streamer discharges that follows the dynamics of single electrons in the region with strong field enhancement at the streamer tip while approximating the many electrons in the streamer interior as densities. We explain the method and present first results for negative streamers in nitrogen. We focus on the high electron energies observed in the simulation.

arXiv comment4 pages, 4 figures

References in corpus (6)

• Positive and negative streamers in ambient air: modeling evolution and velocities
• The multiscale nature of streamers
• An adaptive grid refinement strategy for the simulation of negative streamers
• Multiple X-ray bursts from long discharges in air
• Deviations from the local field approximation in negative streamer heads
• Spatial coupling of particle and fluid models for streamers: where nonlocality matters

Cited by in corpus (12)

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• Electron density fluctuations accelerate the branching of streamer discharges in air
• Density models for streamer discharges: beyond cylindrical symmetry and homogeneous media
• Spatially hybrid computations for streamer discharges with generic features of pulled fronts: I. Planar fronts
• Spatially hybrid computations for streamer discharges: II. Fully 3D simulations
• Ionisation in atmospheres of Brown Dwarfs and extrasolar planets I The role of electron avalanche
• Relativistic electrons from sparks in the laboratory
• Meter-scale spark X-ray spectrumstatistics
• Simulated avalanche formation around streamers in an overvolted air gap
• Generation possibility of gamma-ray glows induced by photonuclear reactions