分光測定によるHeアークの電子温度
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概要
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The intensities of the neutral helium spectral, lines emitted from helium plasma produced by the energetic arc have been measured, and the population densities of the energy levels of neutral heliumhave been calculated from them. Electron temperature could be deduced from them, since the distribution of the measured population densities above the. fifth principal quantum number was Maxwellian. Discharge conditions of helium arc were as folows; helium pressure at 10<SUP>-2</SUP> torr, currents of 150, and 240 amp., and magnetic field. strength of 3540 gauss. In these cases the electron temperaturess of 0.19, 0.34, and 0, 34 ev respectively were obtained. It was considered from the radial intensity distribution of neutral helium lines that the measured electron temperatures were the values around the arc column.
- 社団法人 プラズマ・核融合学会の論文