The Transport Properties of Hot Electrons in a Xenon/Methane Mixture |
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Authors: | V. M. Atrazhev V. V. Dmitrenko I. V. Chernysheva |
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Affiliation: | (1) Institute of High Energy Densities, IVTAN (Institute of High Temperatures) Scientific Association, Russian Academy of Sciences, Moscow, 125412, Russia;(2) Moscow Institute of Engineering Physics (State University), Moscow, 115409, Russia |
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Abstract: | The results are given of numerical solution of the Boltzmann equation in a binomial approximation in view of elastic and inelastic electron collisions in Xe+CH4 mixtures and in pure methane. The electron energy distribution functions obtained are used to calculate the electron transport coefficients for E/N values of up to several Townsends, i.e., the drift velocity, mobility, average and characteristic energies, diffusion coefficient. The results of calculation for pure methane fit the available experimental data. A similarity rule is found for the electron transport coefficients in a Xe+CH4 mixture with different concentrations of methane molecules, which enables one to determine the values of transport coefficients in a mixture with a minor (less than 30 percents) methane content. |
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Keywords: | numerical solution of the Boltzmann equation electron energy distribution functions electron transport coefficients |
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