Study on Gas Discharge at Atmospheric Air by Numerical Method

Author

Zhang, Yun ; Zeng, Rong ; He, Jinliang ; Zhang, Bo

Author_Institution

Tsinghua Univ., Beijing

fYear

2007

fDate

23-26 Oct. 2007

Firstpage

217

Lastpage

220

Abstract

The progress and characteristics of gas discharge is studied in this paper by numerical simulation. A program based on the FE-FCT method in its full two-dimension form is developed and employed for the solution of transport equations of charged species under the effect of space-charge electric field. Results of two-dimensional simulation of cylindrically symmetric streamers in air between Point-plane electrodes are presented. The formation and propagation of streamer is numerically observed. The electric field distribution, streamer speed, radius of streamer channel predicted by the model is in good agreement with experimental measurement. The influence of applied voltage on the streamer characteristic is also investigated.

Keywords

Poisson equation; atmospheric electricity; discharges (electric); finite element analysis; hydrodynamics; space charge; FE-FCT method; atmospheric air; cylindrically symmetric streamers; electric field distribution; gas discharge; numerical method; point-plane electrodes; space-charge electric field; streamer characteristics; transport equations; Cathodes; Computational modeling; Discharges; Electrons; Helium; Hydrodynamics; Ionization; Parallel processing; Poisson equations; Spontaneous emission; FE-FCT; hydrodynamic model; parallel computing method; streamer;

fLanguage

English

Publisher

ieee

Conference_Titel

Electromagnetic Compatibility, 2007. EMC 2007. International Symposium on

Conference_Location

Qingdao

Print_ISBN

978-1-4244-1371-3

Electronic_ISBN

978-1-4244-1372-0

Type

conf

DOI

10.1109/ELMAGC.2007.4413469

Filename

4413469