Global carbon production and transport in Tore Supra

S. J. Tobin, J. T. Hogan, C. DeMichelis, C. C. Klepper, M. Mattioli, P. Monier-Garbet, D. Guilhem, W. R. Hess, R. C. Isler

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23 Scopus citations

Abstract

Impurity production and transport have been studied in small Tore Supra plasmas, for which the sole source of impurities (essentially carbon) is an outboard limiter. The main diagnostic was a visible endoscope, allowing absolute intensity calibrated CCD camera images of the entire limiter to be obtained at selected wavelengths. The experimental results show that, while chemical sputtering is essential to explain the limiter images, it does not contribute much to the central impurity content (for which physical sputtering is more important). The experimental edge carbon fluxes and the core plasma carbon content were simulated by coupling the 3D Monte Carlo edge impurity code BBQ with the 1D Tore Supra core impurity transport code, thus modelling (for the first time) the global impurity production and transport.

Original languageEnglish
Pages (from-to)251-263
Number of pages13
JournalPlasma Physics and Controlled Fusion
Volume38
Issue number3
DOIs
StatePublished - 1996

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