Tungsten dust remobilization under steady-state and transient plasma conditions

De Angeli, M. (author)

Weinzettl, V. (author)

Matejicek, J. (author)

Bykov, I. (author)

Rudakov, D. L. (author)

Riva, G. (author)

Ripamonti, D. (author)

Morgan, T. (author)

Panek, R. (author)

De Temmerman, G. (author)

(creator_code:org_t)

Elsevier, 2017
2017
English.
In: NUCLEAR MATERIALS AND ENERGY. - : Elsevier. - 2352-1791. ; 12, s. 569-574

Related links:: https://doi.org/10.1...; show more...; https://urn.kb.se/re...; https://doi.org/10.1...; show less...

Abstract Subject headings

Remobilization is one of the most prominent unresolved fusion dust-relevant issues, strongly related to the lifetime of dust in plasma-wetted regions, the survivability of dust on hot plasma-facing surfaces and the formation of dust accumulation sites. A systematic cross-machine study has been initiated to investigate the remobilization of tungsten micron-size dust from tungsten surfaces implementing a newly developed technique based on controlled pre-adhesion by gas dynamics methods. It has been utilized in a number of devices and has provided new insights on remobilization under steady-state and transient conditions. The experiments are interpreted with contact mechanics theory and heat conduction models.

By the author/editor: Ratynskaia, Svet ...; Tolias, Panagiot ...; De Angeli, M.; Weinzettl, V.; Matejicek, J.; Bykov, I.; show more...; Rudakov, D. L.; Vignitchouk, Lad ...; Thorén, Emil; Riva, G.; Ripamonti, D.; Morgan, T.; Panek, R.; De Temmerman, G.; show less...

About the subject

NATURAL SCIENCES: NATURAL SCIENCES; and Physical Science ...; and Fusion Plasma an ...

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