TUNGSTEN EROSION AND DIVERTOR LEAKAGE FROM THE DIII-D SAS-VW TUNGSTEN-COATED DIVERTOR IN EXPERIMENTS WITH NEON GAS SEEDING

Tungsten erosion and divertor leakage from the DIII-D SAS-VW tungsten-coated divertor in experiments with neon gas seeding

Collector probes have been used to examine tungsten divertor leakage in a variety of scenarios with low-Z impurity seeding during operation with the new tungsten-coated SAS-VW divertor in DIII-D.Measurements of tungsten deposition on collector probes inserted into the far Scrape-off-Layer (SOL) are used to deduce how efficiently tungsten leaks out

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