Disruptions in ITER and strategies for their control and mitigation

M Lehnen, K Aleynikova, PB Aleynikov… - Journal of Nuclear …, 2015 - Elsevier
The thermal and electromagnetic loads related to disruptions in ITER are substantial and
require careful design of tokamak components to ensure they reach the projected lifetime …

MHD stability, operational limits and disruptions

TC Hender, JC Wesley, J Bialek, A Bondeson… - Nuclear …, 2007 - iopscience.iop.org
Progress in the area of MHD stability and disruptions, since the publication of the 1999 ITER
Physics Basis document (1999 Nucl. Fusion 39 2137–2664), is reviewed. Recent theoretical …

Positron creation and annihilation in tokamak plasmas with runaway electrons

P Helander, DJ Ward - Physical review letters, 2003 - APS
It is shown that electron-positron pair production is expected to occur in post-disruption
plasmas in large tokamaks, including JET and JT-60U, where up to about 10 14 positrons …

Magnetic energy flows during the current quench and termination of disruptions with runaway current plateau formation in JET and implications for ITER

A Loarte, V Riccardo, JR Martin-Solis, J Paley… - Nuclear …, 2011 - iopscience.iop.org
The magnetic energy balance and magnetic energy flows for plasma disruptions in which
runaway plateau plasmas are formed and terminated at JET has been analysed and …

Detection of disruptions in the high-β spherical torus NSTX

SP Gerhardt, DS Darrow, RE Bell, BP LeBlanc… - Nuclear …, 2013 - iopscience.iop.org
This paper describes the prediction of disruptions based on diagnostic data in the high-β
spherical torus NSTX (Ono et al 2000 Nucl. Fusion 40 557). The disruptive threshold values …

Experiments in DIII-D toward achieving rapid shutdown with runaway electron suppression

EM Hollmann, N Commaux, NW Eidietis, TE Evans… - Physics of …, 2010 - pubs.aip.org
Experiments have been performed in the DIII-D tokamak [JL Luxon, Nucl. Fusion 42, 614
(2002)] toward understanding runaway electron formation and amplification during rapid …

Role of bremsstrahlung radiation in limiting the energy of runaway electrons in tokamaks

M Bakhtiari, GJ Kramer, M Takechi, H Tamai, Y Miura… - Physical review …, 2005 - APS
Bremsstrahlung radiation of runaway electrons is found to be an energy limit for runaway
electrons in tokamaks. The minimum and maximum energy of runaway electron beams is …

Inter-machine comparison of the termination phase and energy conversion in tokamak disruptions with runaway current plateau formation and implications for ITER

JR Martin-Solis, A Loarte, EM Hollmann… - Nuclear …, 2014 - iopscience.iop.org
The termination of the current and the loss of runaway electrons following runaway current
plateau formation during disruptions have been investigated in the JET, DIII-D and FTU …

Magnetic stochasticity in magnetically confined fusion plasmas

S Abdullaev - Springer Series on Atomic, Optical, and Plasma …, 2014 - Springer
The magnetic confinement concept of thermonuclear plasma is one of the areas of
controlled fusion research developing in the past 50 years in a quest for clean and unlimited …

Disruptions, disruptivity and safer operating windows in the high-β spherical torus NSTX

SP Gerhardt, RE Bell, A Diallo, D Gates… - Nuclear …, 2013 - iopscience.iop.org
This paper discusses disruption rates, disruption causes and disruptivity statistics in the high-
β N National Spherical Torus Experiment (NSTX)(Ono et al 2000 Nucl. Fusion 40 557) …