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 …

Formation and termination of runaway beams in ITER disruptions

JR Martín-Solís, A Loarte, M Lehnen - Nuclear Fusion, 2017 - iopscience.iop.org
A self-consistent analysis of the relevant physics regarding the formation and termination of
runaway beams during mitigated disruptions by Ar and Ne injection is presented for selected …

Runaway electron beam generation and mitigation during disruptions at JET-ILW

C Reux, V Plyusnin, B Alper, D Alves, B Bazylev… - Nuclear …, 2015 - iopscience.iop.org
Disruptions are a major operational concern for next generation tokamaks, including ITER.
They may generate excessive heat loads on plasma facing components, large …

Disruption scenarios, their mitigation and operation window in ITER

M Sugihara, M Shimada, H Fujieda, Y Gribov… - Nuclear …, 2007 - iopscience.iop.org
The impacts of plasma disruptions on ITER have been investigated in detail to confirm the
robustness of the design of the machine to the potential consequential loads. The loads …

Runaway acceleration during magnetic reconnection in tokamaks

P Helander, LG Eriksson… - Plasma Physics and …, 2002 - iopscience.iop.org
In this paper, the basic theory of runaway electron production is reviewed and recent
progress is discussed. The mechanisms of primary and secondary generation of runaway …

Study of runaway electron generation during major disruptions in JET

VV Plyusnin, V Riccardo, R Jaspers, B Alper… - Nuclear …, 2006 - iopscience.iop.org
Extensive analysis of disruptions in JET has helped advance the understanding of trends of
disruption-generated runaway electrons. Tomographic reconstruction of the soft x-ray …

Generation and suppression of runaway electrons in disruption mitigation experiments in TEXTOR

SA Bozhenkov, M Lehnen, KH Finken… - Plasma physics and …, 2008 - iopscience.iop.org
Runaway electrons represent a serious problem for the reliable operation of the future
experimental tokamak ITER. Due to the multiplication factor of exp (50) in the avalanche …

Growth and decay of runaway electrons above the critical electric field under quiescent conditions

C Paz-Soldan, NW Eidietis, R Granetz… - Physics of …, 2014 - pubs.aip.org
Extremely low density operation free of error field penetration supports the excitation of trace-
level quiescent runaway electron (RE) populations during the flat-top of DIII-D Ohmic …

Experimental Observation of a Magnetic-Turbulence Threshold<? format?> for Runaway-Electron Generation in the TEXTOR Tokamak

L Zeng, HR Koslowski, Y Liang, A Lvovskiy, M Lehnen… - Physical review …, 2013 - APS
Magnetic turbulence is observed at the beginning of the current quench in intended
TEXTOR disruptions. Runaway electron (RE) suppression has been experimentally found at …

Destabilization of magnetosonic-whistler waves by a relativistic runaway beam

T Fülöp, G Pokol, P Helander, M Lisak - Physics of Plasmas, 2006 - pubs.aip.org
Magnetosonic-whistler waves may be destabilized by runaway electrons both in fusion and
astrophysical plasmas. A linear instability growth rate of these waves in the presence of a …