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Abstract

Intensive studies on helium removal with the pump limiter ALT-II have been performed for different discharge conditions. It has been shown that the figure of merit T(*)(He/Te) is sufficiently low for L-mode scaling discharge conditions even with strong radiative edge cooling. At the highest line averaged electron densities the effective residence time T(*)(He) is lowest. Results are presented on helium transport in I-mode discharges having the same improvement factor, with and without radiative edge cooling by neon.

Additional information

Authors: MANK G ET AL, Forschungszentrum Jülich GmbH (KFA) (DE);BOEDO J A, University of California at Los Angeles (US);GRAY D S, University of California at Los Angeles (US);DUMORTIER P ET AL., Ecole Royale Militaire, Bruxelles (BE);HILLIS D L, Oak Ridge National Laboratory, Fusion Energy Division (US)
Bibliographic Reference: Article: 21st EPS Conference on Controlled Fusion and Plasma Physics, Montpellier, 27 June - 1 July, 1994, Vol. 18B (1994) Part I, pp. 130-133
Record Number: 199510178 / Last updated on: 1995-02-07
Category: PUBLICATION
Original language: en
Available languages: en
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