Structures of velocity distribution functions and transport parameters of the electron swarm in CH4in a DC electric field
- 14 May 1992
- journal article
- Published by IOP Publishing in Journal of Physics D: Applied Physics
- Vol. 25 (5) , 751-760
- https://doi.org/10.1088/0022-3727/25/5/004
Abstract
The structure of each term in the density gradient expansion of the velocity distribution function of an isolated electron swarm has been investigated in a DC field by a numerical analysis using a finite element Boltzmann equation method. The electron swarm parameters, including the dissociation rate in CH4, have been calculated over a wide range: 0.1<E/N<3000 Td.Keywords
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