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KIAM Preprint № 102, Moscow, 2020
Authors: Voronin F.N., Markov M.B., Parot'kin S.V.
Relaxation of the volume charge created by the electron flow in the air
Abstract:
Thermalization of high-energy electrons in the air is considered. It was shown that the formation of a volume charge in the gas during this process is due to the formation of negative oxygen ions. The characteristic times of formation and destruction of ions are considered. A mathematical model of the volume charge relaxation based on an estimate of the ion drift velocity in an electric field is constructed. A condition is obtained under which the drift of ions in an electric field prevails over the gas-dynamic expansion of the ionized substance as a whole.
Keywords:
electron, ion, attachment, drift, electric field
Publication language: russian,  pages: 20
Research direction:
Mathematical modelling in actual problems of science and technics
Russian source text:
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About authors:
  • Voronin Fyodor Nikolaevich,  orcid.org/0000-0003-2649-0469KIAM RAS
  • Markov Mikhail Borisovich,  orcid.org/0000-0002-3428-9688KIAM RAS
  • Parot'kin Sergey Vladimirovich,  orcid.org/0000-0003-3793-6411KIAM RAS