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Abstract

Carbon and deuterium have been collected on surface probes inserted in the limiter shadow of TEXTOR, with carbonised conditions, i.e. with carbonised graphite limiters and carbonised liner. The exposure time ranges from 0.1s to 150s, and a number of different collector materials have been used: Be, graphite, stainless steel, Al, Si, Ti and Au. The collection efficiency of these different surfaces for carbon and deuterium is compared. An experiment with secondary collectors has also been performed in the scrape-off plasma at TEXTOR, in order to estimate the combined effect of backscattering and erosion at the collector surface due to physical sputtering.

Additional information

Authors: BERGSAKER H, RESEARCH INSTITUTE OF PHYSICS, STOCKHOLM (SE);SPACE RESEARCH CENTRE, WARSZAWA (PL);KERNFORSCHUNGSANLAGE JULICH GMBH (DE);EMMOTH B, RESEARCH INSTITUTE OF PHYSICS, STOCKHOLM (SE);SPACE RESEARCH CENTRE, WARSZAWA (PL);KERNFORSCHUNGSANLAGE JULICH GMBH (DE);RUBEL M, RESEARCH INSTITUTE OF PHYSICS, STOCKHOLM (SE);SPACE RESEARCH CENTRE, WARSZAWA (PL);KERNFORSCHUNGSANLAGE JULICH GMBH (DE);WIENHOLD P RESEARCH INSTITUTE OF PHYSICS, STOCKHOLM (SE), RESEARCH INSTITUTE OF PHYSICS, STOCKHOLM (SE);SPACE RESEARCH CENTRE, WARSZAWA (PL);KERNFORSCHUNGSANLAGE JULICH GMBH (DE);SPACE RESEARCH CENTRE, WARSZAWA (PL), RESEARCH INSTITUTE OF PHYSICS, STOCKHOLM (SE);SPACE RESEARCH CENTRE, WARSZAWA (PL);KERNFORSCHUNGSANLAGE JULICH GMBH (DE);KERNFORSCHUNGSANLAGE JULICH GMBH (DE), RESEARCH INSTITUTE OF PHYSICS, STOCKHOLM (SE);SPACE RESEARCH CENTRE, WARSZAWA (PL);KERNFORSCHUNGSANLAGE JULICH GMBH (DE)
Bibliographic Reference: ARTICLE: JOURNAL OF NUCLEAR MATERIALS, VOL. 162-164 (1989) PP. 593-597
Record Number: 1989128036800 / Last updated on: 1990-11-09
Category: PUBLICATION
Available languages: en