Remobilization of tungsten dust from castellated plasma-facing components

TitleRemobilization of tungsten dust from castellated plasma-facing components
Publication TypeJournal Article
Year of Publication2017
AuthorsM. de Angeli, P. Tolias, S. Ratynskaia, D. Ripamonti, G. Riva, S. Bardin, T. Morgan, G. De Temmerman
JournalNuclear Materials and Energy
Volume12
Pagination536-540
Date Published08/2017
Abstract

Studies of tungsten dust remobilization from castellated plasma-facing components can shed light to whether gaps constitute a dust accumulation site with important implications for monitoring but also removal. Castellated structures of ITER relevant geometry that contained pre-adhered tungsten dust of controlled deposition profile have been exposed in the Pilot-PSI linear device. The experiments were performed under steady state and transient plasma conditions, as well as varying magnetic field topologies. The results suggest that dust remobilization from the plasma-facing monoblock surface can enhance dust trapping in the gaps and that tungsten dust is efficiently trapped inside the gaps.

DOI10.1016/j.nme.2017.01.021
Division

PSI

Department

PMI

PID

9d971e0697b4e85cc20d34f17d72e93e

Alternate TitleNucl. Mater. Energy
LabelOA

Go back one page.