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Tritium distributions on W-coated divertor tiles used in the third JET ITER-like wall campaign
- Source :
- Nuclear Materials and Energy. 18(1):258-261
- Publication Year :
- 2019
- Publisher :
- Elsevier B.V., 2019.
-
Abstract
- Tritium (T) distributions on tungsten (W)-coated plasma-facing tiles used in the third ITER-like wall campaign (2015–2016) of the Joint European Torus (JET) were examined by means of an imaging plate technique and β-ray induced x-ray spectrometry, and they were compared with the distributions after the second (2013–2014) campaign. Strong enrichment of T in beryllium (Be) deposition layers was observed after the second campaign. In contrast, T distributions after the third campaign was more uniform though Be deposition layers were visually recognized. The one of the possible explanations is enhanced desorption of T from Be deposition layers due to higher tile temperatures caused by higher energy input in the third campaign.
Details
- Language :
- English
- ISSN :
- 23521791
- Volume :
- 18
- Issue :
- 1
- Database :
- OpenAIRE
- Journal :
- Nuclear Materials and Energy
- Accession number :
- edsair.jairo.........8f6561da7cf7d91bde6df8d99e3311e3