Transport Analysis in Ohmic and Ecr Heated Plasmas in the Rtp Tokamak

TitleTransport Analysis in Ohmic and Ecr Heated Plasmas in the Rtp Tokamak
Publication TypeJournal Article
Year of Publication1994
AuthorsJ.A Konings, G.MD Hogeweij, N.JL Cardozo, A.AM Oomens, F.C Schüller
JournalPlasma Physics and Controlled Fusion
Volume36
Number1
Pagination45-56
Date PublishedJan
ISBN Number0741-3335
Abstract

Global and local power balance studies in ohmic and ECR-heated plasmas in the RTP tokamak (R0 = 0.72 m, a = 0.16 m, B(T) = 2.14 T) are reported, and compared with models. In ohmic plasmas the energy confinement time is consistent with the Goldston-ohmic scaling law. Using ECRH, high T(e) and delT(e) are obtained. An updated version of the Rebut-Lallia-Watkins transport model successfully describes chi(e)eff in these extreme plasma conditions. Improved confinement (tau(E)ECRH = 2tau(E)OMEGA) is observed in low-density, low-current plasmas when the ECRH power is comparable to the ohmic input power.

DOI10.1088/0741-3335/36/1/004
PID

c7be216fd3fa1f20b006a89d48356c1f

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