NIFS-223

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Author(s):

K. Itoh, S.-I. Itoh, M. Yagi, A. Fukuyama and M. Azumi

Title:

Theory of Pseudo-Classical Confinement and Transmutation to L-Mode

Date of publication:

May 1993

Key words:

Anomalous transport, Pseudo-classical transport, L-mode confinement, Ballooning Mode, Resistivity, Current diffusivity, Hartmann number

Abstract:

Theory of the self-sustained turbulence is developed for resistive plasma in toroidal devices. Pseudo-classical confinement is obtained in the low temperature limlt. As temperature increases, the current-diffusivity prevails upon resistivity, and the turbulence nature changes so as to recover the L-mode transport. Comparison with experimental observation on this transition is made. Hartmann number is also given.

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