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AbstractAbstract
[en] The results of a series of experiments carried out in 1983 on the injection of hydrogen pellets into the plasma of the T-10 tokamak are discussed. Data acquired in studies of the evolution of the electron density n/sub e/(r, t), and the electron and ion temperatures, T/sub e/(r, t) and T/sub i/(0, t) are reported. The evolution of density and temperature perturbations is found to be faster than might be expected on the basis of data from steady-state measurements of the transport coefficients [A. V. Berlisov et al., in Plasma Physics and Controlled Nuclear Fusion Research (Proceedings of the Ninth International Conference, Baltimore, 1982), IAEA, Vienna, 1983, Vol. II, Paper I-6, p. 63]. The typical values of the thermal diffusivity, chi/sub e/≅4 x 1017/n/sub e/ cm2/s, agree approximately with ALCATOR scaling. The values of the diffusion coefficient D0 are smaller by a factor of three or four. Observations of the evolution of the emission in the continuum are used to show that a toroidally symmetric density perturbation forms --3 ms after the injection
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Cover-to-cover translation of Fizika Plazmy (USSR).
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Journal Article
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