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A major part of the TEXTOR programme deals with the analysis of the properties of the edge plasma and plasma-facing surfaces and the development of methods of producing discharges with a reproducible, low degree of contamination. The paper presents and compares recent results obtained under optimum carbonisation and boronisation conditions (high limiter power deposition). It summarises the results of many different diagnostics developed to study the plasma edge, the scrape-off layer and the different particle fluxes to and from the wall. It is shown that the improved understanding and control of the plasma-wall interaction leads to discharges of such high reproducibility that signal averaging techniques can be used. Reliable analyses of the properties of the confined plasma can result. As an example, the evolution of the current distribution profile in the presence of sawtooth activity is discussed.

Additional information

Authors: TEXTOR TEAM, Institut fuer Plasmaphysik, Kernforschungsanlage Juelich GmbH, Juelich (DE)
Bibliographic Reference: Article: Plasma Physics and Controlled Nuclear Fusion Research, Vol. 1 (1988) pp. 331-340, International Atomic Energy Agency, Vienna (AT)
Record Number: 199010631 / Last updated on: 1994-12-01
Original language: en
Available languages: en