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**Harvard**

Singh, S., Serdyuk, Y. och Summer, R. (2015) *Streamer propagation in air in non-axially symmetric electric field*.

** BibTeX **

@conference{

Singh2015,

author={Singh, Shailendra and Serdyuk, Yuriy and Summer, Raimund},

title={Streamer propagation in air in non-axially symmetric electric field},

booktitle={Proceedings of 19th International Symposium on High Voltage Engineering},

isbn={978-80-261-0477-3},

pages={5},

abstract={Development of non-axial streamer discharges in air between disc-electrodes is studied. Discharge inception and propagation between edges of two flat discs is treated with so-called drift-diffusion model accounting for transport, generation and losses of electrons and two generic types of ions (positive and negative) under the influence of the electric field. To simulate propagation of a streamer channel, generation of secondary electrons at the streamer head due to photoionization is included. Partial differential equations constituting the model are solved utilizing custom developed stabilized finite element procedure implemented in commercial software. The results of the performed simulations show that discharge inception takes place in regions of enhanced electrostatic fields at the curved edges of both electrodes and two streamers propagate in air gap towards each other. Quantitative analysis of the dynamics of charge carriers’ densities, generated space charges and magnitudes of the electric fields during streamer initiation and propagation is presented. The effect of space charges and their influence on the streamer propagation path is discussed.},

year={2015},

keywords={streamer propagation, space charge, gas discharge, drift-diffusion model},

}

** RefWorks **

RT Conference Proceedings

SR Electronic

ID 222307

A1 Singh, Shailendra

A1 Serdyuk, Yuriy

A1 Summer, Raimund

T1 Streamer propagation in air in non-axially symmetric electric field

YR 2015

T2 Proceedings of 19th International Symposium on High Voltage Engineering

SN 978-80-261-0477-3

AB Development of non-axial streamer discharges in air between disc-electrodes is studied. Discharge inception and propagation between edges of two flat discs is treated with so-called drift-diffusion model accounting for transport, generation and losses of electrons and two generic types of ions (positive and negative) under the influence of the electric field. To simulate propagation of a streamer channel, generation of secondary electrons at the streamer head due to photoionization is included. Partial differential equations constituting the model are solved utilizing custom developed stabilized finite element procedure implemented in commercial software. The results of the performed simulations show that discharge inception takes place in regions of enhanced electrostatic fields at the curved edges of both electrodes and two streamers propagate in air gap towards each other. Quantitative analysis of the dynamics of charge carriers’ densities, generated space charges and magnitudes of the electric fields during streamer initiation and propagation is presented. The effect of space charges and their influence on the streamer propagation path is discussed.

LA eng

LK http://publications.lib.chalmers.se/records/fulltext/222307/local_222307.pdf

OL 30