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First name, Middle name, Last name, Scientific degree, Scientific rank, Current position. Full and brief name of the organization, The organization address.Safiullin R.K. – doctor of physical and mathematical sciences, professor Е-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Salavatullin А.А. – post-graduate student E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Mullanurov F.Sh. – candidate of physial and mathematical sciences, associate professor E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Kazan State University of Architecture and Engineering The organization address: 420043, Russia, Kazan, Zelenaya st., 1 Zainasheva G.N. – candidate of physical and mathematical sciences, associate professor E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Kazan State University of Power Energy The organization address: 420066, Russia, Kazan, Krasnoselskaya st., 51
Title of the articleEnergy Distribution of Free Electrons in Glow Discharge Plasma
Abstract.Electron energy distribution function (EEDF) is a very important property of gas discharge plasma. It is well known that in glow discharges EEDF strongly differs from the Maxwellian one and so it must be calculated numerically by solution of Bolzmann equation for free electrons of plasma or measured in the very laborious experiments. Knowledge of EEDF allows one to evaluate important characteristics of gas discharge plasma such as a mean energy of electrons, electron drift velocity, diffusion coefficients and the rates of various kinetic processes due to electron-molecule collisions. In this paper the effective method for EEDF calculation is described for the gas mixtures containing СО2, СО, N2, O2, H2, He and Ar species. Numerically calculated characteristics of CO2- and CO-lasers plasma such as a mean electron energy, electron drift velocity, electron diffusion coefficient, energy contributions of free electrons to translation-rotation and vibration degrees of freedom of molecules are presented. They are depicted as functions of E/N and n (E the electic field strength, N the total particle density of atoms and molecules, n – the relative molar part of He) The information about these characteristics is necessary for the investigation of spatial distributions of charged particles inside the discharge chambers of powerful gas lasers and also for plasma chemistry. The calculated data are in good or in satisfactory agreement with the available experimental data.
Keywords.Glow discharge, electron energy distribution function (EEDF), electron drift velocity, electron diffusion coefficient, mean electron energy.
For citations:Safiullin R.K., Salavatullin А.А., Mullanurov F.Sh., Zainasheva G.N. Energy Distribution of Free Electrons in Glow Discharge Plasma // Izvestiya KGASU. 2013. №4(26) P.353-359.


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