Measurements of plasma column rotation and potential in the TM-4 tokamak

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, , Citation V.I. Bugarya et al 1985 Nucl. Fusion 25 1707 DOI 10.1088/0029-5515/25/12/001

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1 I.V. Kurchatov Institute of Atomic Energy, Moscow, Union of Soviet Socialist Republics

2 Kharkov Physico-Technical Institute, Academy of Sciences of the Ukrainian SSR, Kharkov, Union of Soviet Socialist Republics

Dates

  1. Received 10 October 1984

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0029-5515/25/12/1707

Abstract

The velocity of plasma rotation and the potential distributions are measured in the TM-4 device i n the Ohmic-heating regime. The potential is negative at the centre of the column, and its magnitude is significantly larger than the ion temperature. At the edge, the potential is positive while the rotation velocities are considerably lower than their neoclassical values.

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