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Simulation of Dielectric Barrier Discharge in Air Gap and on Solid Insulator Surface Based on Plasmochemical Model

Simulation of Dielectric Barrier Discharge in Air Gap and on Solid Insulator Surface Based on Plasmochemical Model
Simulation of Dielectric Barrier Discharge in Air Gap and on Solid Insulator Surface Based on Plasmochemical Model
The paper details the equations used to simulate a dielectric barrier discharge (DBD) and presents a summary of the results obtained. A model for dielectric barrier discharge was divided into two phases, i.e., propagation in air and along the surface of a solid insulator. The microscopic essence of a streamer discharge was revealed and investigated using a detailed self-consistent plasmochemical model based on particle chemical reactions and hydrodynamics. The continuity equations of electrons, positive ions, and negative ions were coupled with Poisson’s equation. The chemical reactions described the impact ionization, charge transportation, electron-ion recombination, ion-ion recombination, electron attachment and neutral particle evolvement. The decisive effects of electron mean energy distribution on the rates of impact ionization by electrons and on the local characteristics of streamer discharges, are investigated. Electric field distributions are calculated and analyzed. The results indicate that ionization mainly takes place at the streamer head where a relatively large electron mean energy exists.
978-1-4673-4459-3
796-799
Shi, J
94da4596-2189-4e28-987c-96d2ecdcfb23
Lewin, P L
78b4fc49-1cb3-4db9-ba90-3ae70c0f639e
Sima, W
745ac9d8-c134-4bb5-808c-0379c6885b38
Yang, Q
a9e4975a-c818-4096-b893-ca9840cb1380
Shi, J
94da4596-2189-4e28-987c-96d2ecdcfb23
Lewin, P L
78b4fc49-1cb3-4db9-ba90-3ae70c0f639e
Sima, W
745ac9d8-c134-4bb5-808c-0379c6885b38
Yang, Q
a9e4975a-c818-4096-b893-ca9840cb1380

Shi, J, Lewin, P L, Sima, W and Yang, Q (2013) Simulation of Dielectric Barrier Discharge in Air Gap and on Solid Insulator Surface Based on Plasmochemical Model. IEEE 2013 International Conference on Solid Dielectrics (ICSD), , Bologna, Italy. 29 Jun - 03 Jul 2013. pp. 796-799 .

Record type: Conference or Workshop Item (Paper)

Abstract

The paper details the equations used to simulate a dielectric barrier discharge (DBD) and presents a summary of the results obtained. A model for dielectric barrier discharge was divided into two phases, i.e., propagation in air and along the surface of a solid insulator. The microscopic essence of a streamer discharge was revealed and investigated using a detailed self-consistent plasmochemical model based on particle chemical reactions and hydrodynamics. The continuity equations of electrons, positive ions, and negative ions were coupled with Poisson’s equation. The chemical reactions described the impact ionization, charge transportation, electron-ion recombination, ion-ion recombination, electron attachment and neutral particle evolvement. The decisive effects of electron mean energy distribution on the rates of impact ionization by electrons and on the local characteristics of streamer discharges, are investigated. Electric field distributions are calculated and analyzed. The results indicate that ionization mainly takes place at the streamer head where a relatively large electron mean energy exists.

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More information

Published date: 30 June 2013
Venue - Dates: IEEE 2013 International Conference on Solid Dielectrics (ICSD), , Bologna, Italy, 2013-06-29 - 2013-07-03
Organisations: EEE

Identifiers

Local EPrints ID: 354570
URI: http://eprints.soton.ac.uk/id/eprint/354570
ISBN: 978-1-4673-4459-3
PURE UUID: 10f781ec-ecdb-41bc-891b-be46108c629f

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Date deposited: 12 Jul 2013 16:44
Last modified: 25 Nov 2021 21:57

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Contributors

Author: J Shi
Author: P L Lewin
Author: W Sima
Author: Q Yang

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