ボルツマン方程式による3成分混合ガス(N_2/SF_6/c-C_4F_8)の電子スウォームパラメータ解析(???)

概要

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The authors have already reported that the ternary gas mixtures, comprised of N_2,SF_6 and c-C_4F_8 have excellent dielectric characteristics under both uniform and non-uniform fields, and they also have discussed the basic physical mechanism and properties of the gases with Boltzmann equation analysis. In this paper, the authors analyze and discuss the electron swarm parameters such as ionization coefficients and electron attachment coefficients of the gases, in order to study the effect of the differences between the two sets of the electron collision cross sections for c-C_4F_8 that have been shown by Novak et al. and Itoh et al., respectively, and between the estimation of electronic and vibrational excitation cross sections of N_2. The analytical results of the electron swarm parameters in unary c-C_4F_8,unary N_2,and ternary gas mixtures are different due to the difference in the cross sections of each gas and their mixture ratios. It is found that the limit reduced fields of the mixture gases are not remarkably dependent on the differences in the cross sections and the mixture ratios.
東海大学の論文