Evidence of near-SOL tungsten accumulation using a far-SOL collector probe array and OEDGE modelling in the DIII-D metal rings L-mode discharges

Experimental evidence is presented of near-scrape off layer (SOL) tungsten accumulation near the crown of lower single-null L-mode discharges in the DIII-D Metal Rings Campaign, based on a peripheral-SOL collector probe (CP) array and OEDGE modelling. Such accumulation has been long-theorized due to...

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Bibliographic Details
Main Authors: J.D. Elder, P.C. Stangeby, E.A. Unterberg, T. Abrams, J.A. Boedo, D. Donovan, A.G. McLean, D.L. Rudakov, W.R. Wampler, J.G. Watkins
Format: Article
Language:English
Published: Elsevier 2019-05-01
Series:Nuclear Materials and Energy
Online Access:http://www.sciencedirect.com/science/article/pii/S2352179118302369

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