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A large database on particle fluxes and edge parameters n(e), T(e) has been used to study the complex processes at the edge including radiation effects. With different wall coatings quite distinct edge parameters and radiation levels develop, due to their specific radiation characteristics and sputtering yields. Special emphasis is put on synergistic effects of combined impurities such as C, B, O and Si.

Additional information

Authors: UNTERBERG B ET AL., Forschungszentrum Jülich GmbH (KFA) (DE)
Bibliographic Reference: Article: Proceedings of the 20th European Conference on Controlled Fusion and Plasma Physics, Vol. II (1993) pp. 663-666
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