Journal Article

FZJ-2015-05526

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Suppression of runaway electron generation by massive helium injection after induced disruptions on TEXTOR

Lvovskiy, A. (Corresponding author)FZJ* ; Koslowski, H.  R. ; Zeng, L.FZJ*

2015
Cambridge Univ. Press London

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Please use a persistent id in citations: doi:10.1017/S0022377815001051

Abstract: Disruptions with runaway electron generation have been deliberately induced by injection of argon using a disruption mitigation valve. A second disruption mitigation valve has been utilised to inject varying amounts of helium after a short time delay. No generation of runaway electrons has been observed when more than a critical amount of helium has been injected no later than 5 ms after the triggering of the first valve. The required amount of helium for suppression of runaway electron generation is up to one order of magnitude lower than the critical density according to Connor & Hastie (1975) and Rosenbluth & Putvinski (1997)

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Contributing Institute(s):

1. Plasmaphysik (IEK-4)

Research Program(s):

1. 174 - Plasma-Wall-Interaction (POF3-174) (POF3-174)

Appears in the scientific report 2015

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Database coverage:
Allianz-Lizenz / DFG ; Current Contents - Physical, Chemical and Earth Sciences ; IF < 5 ; JCR ; Nationallizenz ; SCOPUS ; Science Citation Index ; Science Citation Index Expanded ; Thomson Reuters Master Journal List ; Web of Science Core Collection

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