英国物理学会
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作者:D.J. Battaglia , M.D. Boyer ...
来源:[J].Nuclear Fusion(IF 2.734), 2018, Vol.58 (4)IOP
摘要:The National Spherical Torus Experiment Upgrade (NSTX-U) will advance the physics basis required for achieving steady-state, high-beta, and high-confinement conditions in a tokamak by accessing high toroidal fields (1 T) and plasma currents (1.0–2.0 MA) in a low aspect ratio...
作者:D.J. Battaglia , A.R. Briesemeister ...
来源:[J].Nuclear Fusion(IF 2.734), 2015, Vol.55 (6)IOP
摘要:Periods of edge localized mode (ELM)-free H-mode with increased pedestal pressure and width were observed in the DIII-D tokamak when density fluctuations localized to the region near the separatrix were present. Injection of a powder of 45 µ m diameter lithium particles incr...
作者:D.J. Battaglia , F. Bedoya ...
来源:[J].Nuclear Fusion(IF 2.734), 2017, Vol.57 (10)IOP
摘要:The National Spherical Torus Experiment (NSTX) has undergone a major upgrade, and the NSTX Upgrade (NSTX-U) Project was completed in the summer of 2015. NSTX-U first plasma was subsequently achieved, diagnostic and control systems have been commissioned, the H-mode accessed, magn...
作者:D.J. Battaglia , D. Mueller ...
来源:[J].Nuclear Fusion(IF 2.734), 2018, Vol.58 (3)IOP
摘要:The upgrade to the National Spherical Torus eXperiment (NSTX-U) included two main improvements: a larger center-stack, enabling higher toroidal field and longer pulse duration, and the addition of three new tangentially aimed neutral beam sources, which increase available heating...
作者:D.J. Battaglia , D. Baver ...
来源:[J].Nuclear Fusion(IF 2.734), 2019, Vol.59 (11)IOP
摘要:The mission of the spherical tokamak NSTX-U is to explore the physics that drives core and pedestal transport and stability at high- and low collisionality, as part of the development of the spherical tokamak (ST) concept towards a compact, low-cost ST-based pilot plant. NSTX-U w...
作者:D.J. Battaglia , M.W. Bongard ...
来源:[J].Nuclear Fusion(IF 2.734), 2011, Vol.51 (7), pp.073029 (10pp)IOP
摘要:Localized current injection near the outboard midplane is used to form 0.1 MA plasma discharges with no induction supplied from a central solenoid in the ultra-low aspect ratio Pegasus Toroidal Experiment. The discharges are initiated by driving open-field-line currents that pert...
作者:D.J. Battaglia , C.S. Chang ...
来源:[J].Nuclear Fusion(IF 2.734), 2013, Vol.53 (11)IOP
摘要:The edge electron ( T e) and ion temperature ( T i) at the time of the L–H transition increase when the X-point radius ( R X) is reduced to a high-triangularity shape while maintaining constant edge density. Consequently the L–H power thresho...
作者:... V.A. Soukhanovskii , R. Maingi , D.J. Battaglia
来源:[J].Nuclear Fusion(IF 2.734), 2010, Vol.50 (4), pp.045010 (7pp)IOP
摘要:Externally imposed non-axisymmetric magnetic perturbations are observed to alter divertor heat and particle flux profiles in the National Spherical Torus Experiment (NSTX). The divertor profiles are found to have a modest level of multiple local peaks, characteristic of strike po...

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