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A test of nitrogen-...
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Sundelin, PerKTH,Fusionsplasmafysik
(författare)
A test of nitrogen-assisted plasma discharges for fuel removal from plasma-facing components in tokamaks
- Artikel/kapitelEngelska2008
Förlag, utgivningsår, omfång ...
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2008-03-27
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Bristol :IOP PUBLISHING LTD,2008
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printrdacarrier
Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:kth-25568
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-25568URI
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https://doi.org/10.1088/1742-6596/100/6/062027DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:kon swepub-publicationtype
Anmärkningar
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QC 20101118
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Safety regulations limit the amount of tritium accumulated in wall components of a fusion reactor to 350g. Because of this, reduction of long-term fuel inventory is one of the most urgent tasks to be resolved to ensure the safe and economic operation of a reactor-class fusion device. Several methods have been suggested and tested. The aim of this paper is to evaluate the cleaning efficiency of plasma-facing components by ICRH-assisted plasma discharges with in nitrogen-hydrogen in the TEXTOR tokamak. Three types of probes were investigated: laboratory prepared a-C: D layers on silicon; boron layers on silicon obtained by pre-boronisation in TEXTOR and not coated Inconel substrates. The main results are following: (i) laboratory prepared a-C: D layers are not affected: deuterium and carbon contents did not decrease (ii) the morphology of layers pre-boronised in TEXTOR is not affected (iii) no significant effects were noticed on Inconel probes. A comparison of cleaning methods with nitrogen and oxygen is also presented.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Rubel, Marek J.KTH,Fusionsplasmafysik(Swepub:kth)u1vrej8y
(författare)
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Emmoth, B.
(författare)
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Philipps, V.
(författare)
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Sergienko, G.
(författare)
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KTHFusionsplasmafysik
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:PROCEEDINGS OF THE 17TH INTERNATIONAL VACUUM CONGRESS/13TH INTERNATIONAL CONFERENCE ON SURFACE SCIENCE/INTERNATIONAL CONFERENCE ON NANOSCIENCE AND TECHNOLOGYBristol : IOP PUBLISHING LTD, s. 062027-
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