Plasma Physics and Controlled Fusion · 2013 · 19 citations · 30 references
Natural SciencesNuclear EngineeringPhysicsFusion EngineeringNuclear Safety AnalysisPlasma PhysicsHigh-temperature PlasmasMagnetic Confinement FusionMagnetized PlasmaNuclear FusionPlasma ConfinementPlasma-wall InteractionsCurrent Drive In TokamaksCurrentsDisruptionsDisruptions In TokamaksTokamak PhysicsTokamak PlasmasToroidal ConfinementToroidal Magnetic Fields
The high fraction of runaway current conversion following disruptions has an important effect on the first wall for next-generation tokamaks. Because of the potentially severe consequences of a large full current runaway beam on the first wall in an unmitigated disruption, runaway suppression is given a high priority. The behavior of runaway currents both in spontaneous disruptions and in D2 massive gas injection (MGI) shutdown experiments is investigated in the KSTAR tokamak. The experiments in KSTAR show that the toroidal magnetic field threshold, BT >2 T, for runaway generation is not absolute. A high fraction of runaway current conversion following spontaneous disruptions is observed at a much lower toroidal magnetic field of BT = 1.3 T. A dedicated fast valve for high-pressure gas injection with 39.7 bar is developed for the study of disruptions. A study of runaway current parameters shows that the conversion efficiency of pre-disruptive plasma currents into runaway current can reach over 80% both in spontaneous disruptions and in D2 MGI shutdown experiments in KSTAR.
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Chapter 3: MHD stability, operational limits and disruptions
T. C. Hender, J.C. Wesley, J. Bialek et al. · Nuclear Fusion · 2007 · 1.2K citations · Full text
Relativistic limitations on runaway electrons
J. W. Connor, R. J. Hastie · Nuclear Fusion · 1975 · 338 citations
F. C. Schüller · Plasma Physics and Controlled Fusion · 1995 · 253 citations
Design and construction of the KSTAR tokamak
G.S. Lee, M. Kwon, Chil‐Hoon Doh et al. · Nuclear Fusion · 2001 · 164 citations