Tritium distributions on W-coated divertor tiles used in the third JET ITER-like wall campaign

Cannas B.;Fanni A.;Pisano F.;Sias G.;
2019-01-01

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.
2019
Inglese
18
258
261
4
http://www.journals.elsevier.com/nuclear-materials-and-energy/
Esperti anonimi
internazionale
scientifica
Deposition; Divertor; Radiation; Retention; Tritium
Hatano, Y.; Lee, S. E.; Likonen, J.; Koivuranta, S.; Hara, M.; Masuzaki, S.; Asakura, N.; Isobe, K.; Hayashi, T.; Ikonen, J.; Widdowson, A.; Litaudon, ...espandi
1.1 Articolo in rivista
info:eu-repo/semantics/article
1 Contributo su Rivista::1.1 Articolo in rivista
262
1231
none
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