Application of photoionization models based on radiative transfer and the Helmholtz equations to studies of streamers in weak electric fields

Recent advances in development of photoionization models in air based on radiative transfer and Helmholtz equations open new perspectives for efficient solution of nonthermal gas discharge problems involving complex geometries. Many practical applications require accurate modeling of streamer discha...

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Bibliographic Details
Published in:Applied physics letters 2007-11, Vol.91 (21), p.211501-211501-3
Main Authors: Liu, Ningyu, Célestin, Sébastien, Bourdon, Anne, Pasko, Victor P., Ségur, Pierre, Marode, Emmanuel
Format: Article
Language:English
Subjects:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
AIR
BOUNDARY CONDITIONS
ELECTRIC DISCHARGES
ELECTRIC FIELDS
ELECTROMAGNETIC RADIATION
EQUATIONS
PHOTOIONIZATION
Physics
PLASMA
Plasma Physics
PLASMA SIMULATION
RADIANT HEAT TRANSFER
WAVE PROPAGATION
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Summary:Recent advances in development of photoionization models in air based on radiative transfer and Helmholtz equations open new perspectives for efficient solution of nonthermal gas discharge problems involving complex geometries. Many practical applications require accurate modeling of streamer discharges developing in weak electric fields, in which the photoionization process significantly contributes to discharge dynamics. This paper (1) reports original studies, which demonstrate the validity and accuracy of the recently proposed photoionization models for studies of streamers in weak electric fields, and (2) introduces efficient boundary conditions for the photoinization models based on radiative transfer theory.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.2816906