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- Title
Mechanism for Propagation of a Positive Leader.
- Authors
Ivanovskiı, A. V.
- Abstract
A model of leader breakdown in air is considered. The channel is formed due to heating of the streamer trace in the field of the streamer zone. A previous model of a streamer is generalized with allowance for recombination of charged particles. A mathematical model of heating of the streamer trace is developed. It is demonstrated that, at a given potential, the ignition of the channel is provided by streamers that possess a certain charge and the corresponding propagation velocity. This velocity determines the propagation velocity of a steady leaden The dependence of the leader velocity on the cloud potential is found. The results obtained are compared with the data from in-situ observations and laboratory studies.
- Subjects
ELECTRIC discharges; ELECTRIC fields
- Publication
Technical Physics, 2000, Vol 45, Issue 6, p710
- ISSN
1063-7842
- Publication type
Article
- DOI
10.1134/1.1259707