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Overview of erosion mechanisms, impurity transport, and deposition in TEXTOR and related modeling
KTH, School of Electrical Engineering (EES), Fusion Plasma Physics.ORCID iD: 0000-0001-9901-6296
2005 (English)In: Fusion science and technology, ISSN 1536-1055, E-ISSN 1943-7641, Vol. 47, no 2, 146-160 p.Article in journal (Refereed) Published
Abstract [en]

This paper gives an overview of the research activities at TEXTOR on impurity production, impurity transport through the plasma, and then deposition. First, laboratory experiments on chemical erosion by hydrogen and oxygen and radiation-enhanced sublimation are described, followed by the main part, which concentrates on the TEXTOR data of impurity release, impurity transport, and redeposition. The differences between the behavior of high-Z and low-Z materials are discussed. Many of the TEXTOR experiments are carried out using special limiter locks, but the overall carbon balance of net erosion sources and net deposition zones are also shown. Finally, modeling of erosion and dedicated transport experiments are addressed.

Place, publisher, year, edition, pages
2005. Vol. 47, no 2, 146-160 p.
Keyword [en]
erosion, impurity transport, deposition, radiation-enhanced sublimation, scrape-off-layer, chemical erosion, fusion devices, test-limiters, plasma edge, energy-distributions, pyrolytic-graphite, atomic-hydrogen, twin limiter
Identifiers
URN: urn:nbn:se:kth:diva-14518ISI: 000226876100011Scopus ID: 2-s2.0-14544298109OAI: oai:DiVA.org:kth-14518DiVA: diva2:332559
Note
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2017-12-12Bibliographically approved

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Rubel, Marek J.

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