Use of impurity pellets to control energy dissipation during disruption

Injection of impurity pellets has been shown to be a successful method of reducing thermal and mechanical loads during disruptions. The evolution of the quenching plasma after pellet injection in ASDEX Upgrade is described and the requirements of such a method for mitigating disruptions in future de...

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Bibliographic Details
Published inNuclear fusion Vol. 36; no. 10; pp. 1291 - 1297
Main Authors Pautasso, G, Buchl, K, Fuchs, J.C, Gruber, O, Herrmann, A, Lackner, K, Lang, P.T, Mast, K.F, Ulrich, M, Zohm, H
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 01.10.1996
Institute of Physics
Subjects
Cross-disciplinary physics: materials science; rheology
Energy dissipation
Exact sciences and technology
Impurities
Impurities in plasmas
Magnetic confinement and equilibrium
Materials science
Other heat and thermomechanical treatments
Physics
Physics of gases, plasmas and electric discharges
Physics of plasmas and electric discharges
Plasma confinement
Plasma interactions
Plasma properties
Quenching
Thermal load
Tokamaks
Treatment of materials and its effects on microstructure and properties
Energy balance
Pellet injection
Plasma impurities
ASDEX tokamak
Plasma disruption
Experimental study
Quenching
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Summary:Injection of impurity pellets has been shown to be a successful method of reducing thermal and mechanical loads during disruptions. The evolution of the quenching plasma after pellet injection in ASDEX Upgrade is described and the requirements of such a method for mitigating disruptions in future devices are discussed.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0029-5515
1741-4326
DOI:10.1088/0029-5515/36/10/I02