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Overview of JET pos...
Overview of JET post-mortem results following the 2007-9 operational period, and comparisons with previous campaigns
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Coad, J. P. (författare)
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Gruenhagen, S. (författare)
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Hole, D. E. (författare)
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Hakola, A. (författare)
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Koivuranta, S. (författare)
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Likonen, J. (författare)
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- Rubel, Marek (författare)
- KTH,Fusionsplasmafysik
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Widdowson, A. (författare)
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(creator_code:org_t)
- Institute of Physics Publishing (IOPP), 2011
- 2011
- Engelska.
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Ingår i: Physica Scripta. - : Institute of Physics Publishing (IOPP). - 0031-8949 .- 1402-4896. ; T145, s. 014003-
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
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- In 2010, all the plasma-facing components were removed from JET so that the carbon-based surfaces could be replaced with beryllium (Be) or tungsten as part of the ITER-like wall (ILW) project. This gives unprecedented opportunities for post-mortem analyses of these plasma-facing surfaces; this paper reviews the data obtained so far and relates the information to studies of tiles removed during previous JET shutdowns. The general pattern of erosion/deposition at the JET divertor has been maintained, with deposition of impurities in the scrape-off layer (SOL) at the inner divertor and preferential removal of carbon and transport into the corner. However, the remaining films in the SOL contain very high Be/C ratios at the surface. The first measurements of erosion using a tile profiler have been completed, with up to 200 microns erosion being recorded at points on the inner wall guard limiters.
Ämnesord
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
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- EROSION/DEPOSITION
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