英国物理学会
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作者:J.R. Harrison , A. Kirk ...
来源:[J].Nuclear Fusion(IF 2.734), 2014, Vol.54 (6)IOP
摘要:Lobe structures due to the application of resonant magnetic perturbations (RMPs) have been observed using wide-angle imaging of light from He1+ ions in the vicinity of the lower X-point in MAST. The data presented are from lower single-null discharges where RMPs of tor...
作者:J.R. Harrison , R.J. Akers ...
来源:[J].Nuclear Fusion(IF 2.734), 2019, Vol.59 (11)IOP
摘要:The mega amp spherical tokamak (MAST) was a low aspect ratio device ( R / a = 0.85/0.65 ~ 1.3) with similar poloidal cross-section to other medium-size tokamaks. The physics programme concentrates on addressing key physics issues for the operation of ITER, design of DEMO and...
作者:J.R. Harrison , J. Holgate ...
来源:[J].Nuclear Fusion(IF 2.734), 2014, Vol.54 (8)IOP
摘要:The three-dimensional plasma boundary displacement induced by long-lasting core magnetohydrodynamic (MHD) instabilities has been measured in JET, MAST and NSTX. Only saturated instabilities are considered here since transient rapidly growing modes which degrade confinement a...
作者:J.R. Harrison , Yueqiang Liu
来源:[J].Nuclear Fusion(IF 2.734), 2014, Vol.54 (6)IOP
摘要:Edge localized modes (ELMs) are a concern for future devices, such as ITER, due to the large transient heat loads they generate on the divertor surfaces which could limit the operational lifetime of the device. This paper discusses the application of resonant magnetic pertur...
作者:J.R. Harrison , J. Hawke ...
来源:[J].Nuclear Fusion(IF 2.734), 2014, Vol.54 (12)IOP
摘要:An increase in ELM frequency has been demonstrated in MAST by applying resonant magnetic perturbations (RMPs) with toroidal mode number, n RMP = 2, 3, 4, 6. It has been observed that the mitigated ELM frequency increases with the amplitude of the applied field provided...
作者:J.R. Harrison , J. Hillesheim ...
来源:[J].Nuclear Fusion(IF 2.734), 2014, Vol.54 (11)IOP
摘要:The type I ELMy H-mode is the baseline operating scenario for ITER. While it is known that the type I edge-localized mode (ELM) ultimately results from the peeling–ballooning instability, there is growing experimental evidence that a mode grows up before the ELM crash that m...
作者:J.R. Harrison , M.W. Jakubowski ...
来源:[J].Nuclear Fusion(IF 2.734), 2015, Vol.55 (4)IOP
摘要:Sustained edge localized mode (ELM) mitigation has been achieved on MAST and AUG using resonant magnetic perturbations (RMPs) with various toroidal mode numbers over a wide range of low to medium collisionality discharges. The ELM energy loss and peak heat loads at the divertor t...
作者:J.R. Harrison , B. Labit ...
来源:[J].Nuclear Fusion(IF 2.734), 2017, Vol.57 (12)IOP
摘要:Research towards a plasma exhaust solution for a fusion power plant aims at validating edge physics models, strengthening predictive capabilities and improving the divertor configuration. The TCV tokamak is extensively used to investigate the extent that geometric configuration m...
作者:J.R. Harrison , B. Lipschultz
来源:[J].Nuclear Fusion(IF 2.734), 2018, Vol.58 (9)IOP
摘要:This paper further analyses the EDGE2D-EIRENE simulations presented by Chankin et al (2017 Nucl. Mater. Energy 12 273), of L-mode JET plasmas in vertical–vertical (VV) and Vertical–horizontal (VH) divertor configurations. As expected, the simulated outer divertor ionisation ...
作者:J.R. Harrison , A. Kirk ...
来源:[J].Nuclear Fusion(IF 2.734), 2012, Vol.52 (6), pp.063018 (12pp)IOP
摘要:Massive gas injection (MGI) is one means of ameliorating disruptions in future devices such as ITER, where the stored energy in the plasma is an order of magnitude larger than in present-day devices. The penetration of the injected impurities during MGI in MAST is diagnosed ...

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