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Experimental invest...
Experimental investigations of castellated monoblock structures in TEXTOR
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Litnovsky, A. (författare)
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Philipps, V. (författare)
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Wienhold, P. (författare)
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Sergienko, G. (författare)
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- Emmoth, Birger (författare)
- KTH,Mikroelektronik och Informationsteknik, IMIT
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- Rubel, Marek J. (författare)
- KTH,Fusionsplasmafysik
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Breuer, U. (författare)
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Wessel, E. (författare)
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(creator_code:org_t)
- Elsevier BV, 2005
- 2005
- Engelska.
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Ingår i: Journal of Nuclear Materials. - : Elsevier BV. - 0022-3115 .- 1873-4820. ; 337-39:1-3, s. 917-921
- 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
Stäng
- To insure the thermo-mechanical durability of ITER it is planned to manufacture the castellated armour of the divertor i.e. to split the armour into cells [W. Daener et al., Fusion Eng. Des. 61T62 (2002) 61]. This will cause an increase of the surface area and may lead to carbon deposition and tritium accumulation in the gaps in between cells. To investigate the processes of deposition and fuel accumulation in gaps, a castellated test-limiter was exposed to the SOL plasma of TEXTOR. The geometry of castellation used was the same as proposed for the vertical divertor target in ITER [W. Daener et al., Fusion Eng. Des. 61T62 (2002) 61]. After exposure the limiter was investigated with various surface diagnostic techniques. Deposited layers containing carbon, hydrogen, deuterium and boron were found both on top plasma-facing surfaces and in the gaps. The amount of deuterium in the gaps was at least 30% of that found on the top surfaces.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering (hsv//eng)
Nyckelord
- ITER
- castellation
- TEXTOR
- erosion/deposition
- deuterium inventory
- diii-d
- deposition
- components
- retention
- deuterium
- tokamak
- tiles
- jet
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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