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The concept of a cold radiative plasma boundary is presented as a possible solution of the energy exhaust problem in a fusion reactor. The most relevant processes which determine level and location of the radiation from low-Z impurities are discussed in detail. Experimental results, in particular from TEXTOR, are used to demonstrate the general feasibility of generating a stable and quasi-stationary plasma with a cold radiating layer on a high power level. The limitations of the concept are analysed, with particular regard to feed-back control of the impurity level, thermal stability, particle transport and fuel dilution.

Additional information

Authors: SAMM U, Forschungszentrum Jülich GmbH (KFA) (DE)
Bibliographic Reference: Article: Transactions of Fusion Technology, Vol. 25 (1994) No. 2, pp. 259-264
Record Number: 199410591 / Last updated on: 1994-11-28
Original language: en
Available languages: en