NIFS-241

FULL TEXT (PDF, 523 KB)


Author(s):

K. Ida, Y.Miura, T. Matsuda, K. Itoh and JFT-2M Group

Title:

Observation of non Diffusive Term of Toroidal Momentum Transport in the JFT-2M Tokamak

Date of publication:

Aug. 1993

Key words:

Toroidal rotation, Neutral beam injection, Momentum transport, Non-diffusive transport

Abstract:

Toroidal rotation velocity profiles are measured with multi-chord charge-exchange spectroscopy for the discharge that the neutral beams are interchanged from parallel (co) to anti-parallel (counter) to the direction of the plasma current. Transport analysis of toroidal momentum in the transient phase suggests the existence of non-diffusive term in the toroidal momentum transport. This non-diffusive term appears as spontaneous source of the toroidal momentum in the direction of anti-parallel to the plasma current.

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