Long-term fuel retention in JET ITER-like wall

Tutkimustuotos: LehtiartikkeliArticleScientificvertaisarvioitu

Abstrakti

Post-mortem studies with ion beam analysis, thermal desorption, and secondary ion mass spectrometry have been applied for investigating the long-term fuel retention in the JET ITER-like wall components. The retention takes place via implantation and co-deposition, and the highest retention values were found to correlate with the thickness of the deposited impurity layers. From the total amount of retained D fuel over half was detected in the divertor region. The majority of the retained D is on the top surface of the inner divertor, whereas the least retention was measured in the main chamber on the mid-plane of the inner wall limiter. The recessed areas of the inner wall showed significant contribution to the main chamber total retention. Thermal desorption spectroscopy analysis revealed the energetic T from DD reactions being implanted in the divertor. The total T inventory was assessed to be >0.3 mg.

AlkuperäiskieliEnglanti
Artikkeli014075
Sivumäärä7
JulkaisuPhysica Scripta
VuosikertaT167
DOI - pysyväislinkit
TilaJulkaistu - 20 helmikuuta 2016
OKM-julkaisutyyppiA1 Julkaistu artikkeli, soviteltu
TapahtumaInternational Conference on Plasma-Facing Materials and Components for Fusion Applications - Aix-en-Provence, Ranska
Kesto: 18 toukokuuta 201522 toukokuuta 2015
Konferenssinumero: 15

Siteeraa tätä