Investigation of the parameters of the plasma channel and dynamics of a microwave streamer in nitrogen and air
- Moscow Radio-Engineering Institute (Russian Federation)
- Computational Center of the Russian Academy of Sciences, Moscow (Russian Federation)
A numerical model, which makes it possible to investigate the two-dimensional dynamics of plasma formation in a supercritical field in the electrostatic stage with a full set of plasma chemical reactions, is developed. The parameters of the plasma channel are determined and compared with experimental data. It is shown that propagation of a microwave streamer is accompanied by a self-consistent variation of the electron number density in the channel and its spatial dimensions so as to minimize the amplitude of the electric field at the center of the channel. The conditions for passage to the streamer mechanism of breakdown in self-sustained high-frequency high-pressure discharges are obtained. The distinguishing features of the streamer form of microwave discharges are discussed. 30 refs., 6 figs.
- OSTI ID:
- 183634
- Journal Information:
- Journal of Experimental and Theoretical Physics, Journal Name: Journal of Experimental and Theoretical Physics Journal Issue: 2 Vol. 81; ISSN JXTPAS; ISSN 1063-7761
- Country of Publication:
- United States
- Language:
- English
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