Enhanced Transport During Pellet Injection in the Rijnhuizen-Tokamak-Rtp

TitleEnhanced Transport During Pellet Injection in the Rijnhuizen-Tokamak-Rtp
Publication TypeJournal Article
Year of Publication1995
AuthorsD.F Da Cruz, C.C. Chu, G.MD Hogeweij, N.JL Cardozo, A.AM Oomens, F.J. Pijper
JournalPhysical Review Letters
Volume75
Number20
Pagination3685-3688
Date PublishedNov 13
ISBN Number0031-9007
Abstract

The evolution of the radial profiles of electron temperature and density in a tokamak plasma during ablation of an injected hydrogen pellet is studied by Thomson scattering with a resolution of 1% of the mirror plasma radius. The energy content is hardly affected until the pellet reaches the sawtooth inversion radius when strongly enhanced transport sets in throughout the plasma. Asymmetric profiles are observed. Peaks of high density are formed, one of which often develops into a density ''snake.''

DOI10.1103/PhysRevLett.75.3685
PID

9dfef1ad066778cc83a65fd2d4472142

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