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Impurity fluxes and concentrations in the ISX-B beryllium limiter experiment
KTH, School of Engineering Sciences (SCI), Physics.ORCID iD: 0000-0001-7389-5501
1985 (English)In: Nuclear Fusion, ISSN 0029-5515, E-ISSN 1741-4326, Vol. 25, 1635-1655 p.Article in journal (Refereed) Published
Abstract [en]

An experiment to test beryllium as a limiter material has been performed in the ISX-B tokamak. One facet of the studies centred on characterizing impurity influxes and concentrations. The radiation from both low-Z (Be, C, N, O) and intermediate-Z (Ti, Cr) contaminants was measured at the limiter surface and at a wall location 90° away from the limiter to assess the relative contributions of metallic impurities from the two different sources. The effect of limiter melting, with concomitant reduction of both low-Z and intermediate-Z elements, was also documented. The analysis, including atomic rate coefficients, for interpreting spectral radiation in terms of production rates is discussed in detail.

Place, publisher, year, edition, pages
Institute of Physics (IOP), 1985. Vol. 25, 1635-1655 p.
National Category
Natural Sciences
Research subject
URN: urn:nbn:se:kth:diva-182809OAI: diva2:905798


Available from: 2016-02-23 Created: 2016-02-23 Last updated: 2016-02-24Bibliographically approved

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