英国皇家物理学会期刊
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作者:C. Bourdelle , C.F. Maggi , L. Chôné ...
来源:[J].Nuclear Fusion(IF 2.734), 2014, Vol.54 (2)IOP
摘要:In this paper, the nature of the primary instability present in the pedestal forming region prior to the transition into H mode is analysed using a gyrokinetic code on JET-ILW profiles. The linear analysis shows that the primary instability is of resistive nature, and can th...
作者:Jungpyo Lee , Felix I. Parra , Michael Barnes
来源:[J].Nuclear Fusion(IF 2.734), 2014, Vol.54 (2)IOP
摘要:The diamagnetic flow due to the radial pressure and temperature gradients and the E × B flow due to the radial electric field induce different turbulent momentum fluxes in a tokamak. As a result, when the diamagnetic and E × B flows cancel giving zero net toroidal rotation, ...
作者:T.K. Gray , J.M. Canik , R. Maingi ...
来源:[J].Nuclear Fusion(IF 2.734), 2014, Vol.54 (2)IOP
摘要:Previous measurements on the National Spherical Torus Experiment (NSTX) demonstrated peak, perpendicular heat fluxes, q dep,pk⩽15 MW m−2 with an inter-edge localized mode integral heat flux width, during high performance, high power operation (plasma cu...
作者:P.B. Parks , W. Wu
来源:[J].Nuclear Fusion(IF 2.734), 2014, Vol.54 (2)IOP
摘要:This paper is about the dynamics of gas jet injection and propagation into the cold, current quench (CQ) discharge following the thermal quench (TQ) phase of a disruption event. Understanding the processes involved in the interpenetration between a dense, fast-moving superso...
作者:Tatyana Sizyuk , Ahmed Hassanein
来源:[J].Nuclear Fusion(IF 2.734), 2014, Vol.54 (2)IOP
摘要:The plasma shielding effect is a well-known mechanism in laser-produced plasmas (LPPs) reducing laser photon transmission to the target and, as a result, significantly reducing target heating and erosion. The shielding effect is less pronounced at low laser intensities, when low ...
作者:M. Salewski , B. Geiger , A.S. Jacobsen ...
来源:[J].Nuclear Fusion(IF 2.734), 2014, Vol.54 (2)IOP
摘要:We present the first measurement of a local fast-ion 2D velocity distribution function f ( v , v ). To this end, we heated a plasma in ASDEX Upgrade by neutral beam injection and measured spectra of fast-ion D α (FIDA) light from the ...
作者:Y. Hirooka , H. Sato , K. Ishihara ...
来源:[J].Nuclear Fusion(IF 2.734), 2014, Vol.54 (2)IOP
摘要:Along with repeated implosions, the interior of an inertial fusion target chamber is exposed to short pulses of high-energy x-ray, unburned DT-fuel particles, He-ash and pellet debris. As a result, chamber wall materials are subjected to ablation, emitting particles in the p...
作者:M. Nishiura , S. Kubo , K. Tanaka ...
来源:[J].Nuclear Fusion(IF 2.734), 2014, Vol.54 (2)IOP
摘要:A collective Thomson scattering (CTS) diagnostic was developed and used to measure the bulk and fast ions originating from 180 keV neutral beams in the Large Helical Device (LHD). Electromagnetic waves from a gyrotron at 77 GHz with 1 MW power output function as both the pro...
作者:C.F. Maggi , E. Delabie , T.M. Biewer ...
来源:[J].Nuclear Fusion(IF 2.734), 2014, Vol.54 (2)IOP
摘要:A comparison of the L–H power threshold ( P thr) in JET with all carbon, JET-C, and beryllium/tungsten wall (the ITER-like choice), JET-ILW, has been carried out in experiments with slow input power ramps and matched plasma shapes, divertor configuration and I ...
作者:M.M. Tsventoukh
来源:[J].Nuclear Fusion(IF 2.734), 2014, Vol.54 (2)IOP
摘要:It is shown that a combination of the convex and the concave part of a field line provides a strong stabilizing action against convective (flute-interchange) plasma instability (Tsventoukh 2011 Nucl. Fusion 51 112002 ). This results in internal peaking of the stable plasma p...

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