NIFS-286

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Author(s):

H. Sanuki, K. Itoh, J. Todoroki, K. Ida, H. Idei, H. Iguchi and H. Yamada

Title:

Theoretical and Experimental Studies on Electric Field and Confinement in Helical Systems

Date of publication:

June 1994

Key words:

radial electric field, theoretical model, experimental observations, NBI and ECH plasmas, neoclassical and nonclassical losses

Abstract:

The present study consists of two parts. The first part is oriented to a theoretical model of selfconsistent analysis to determine simultaneously the electric field and loss cone boundary in heliotron/torsatron configurations under the influence of nonclassical particle losses. The second part is refered to the analysis on NBI heated and ECH plasmas in Compact Helical System (CHS) device. A comparison is made between theoretical results and experimental observations.

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