英国物理学会
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作者:H.L. Zhao , Y. Peysson ...
来源:[J].Nuclear Fusion(IF 2.734), 2015, Vol.55 (9)IOP
摘要:Two important issues in achieving lower hybrid current drive (LHCD) high confinement plasma in EAST are to improve lower hybrid wave (LHW)-plasma coupling and to drive the plasma current at a high density. Studies in different configurations with different directions of toro...
作者:H.L. Zhao , Y.T. Song ...
来源:[J].Nuclear Fusion(IF 2.734), 2016, Vol.56 (4)IOP
摘要:As an alternative choice of solid plasma facing components (PFCs), flowing liquid lithium can serve as a limiter or divertor PFC and offers a self-healing surface with acceptable heat removal and good impurity control. Such a system could improve plasma performance, and ther...
作者:H.L. Zhao , H.G. Shen ...
来源:[J].Nuclear Fusion(IF 2.734), 2017, Vol.57 (4)IOP
摘要:Coexisting dual kinetic geodesic acoustic modes (KGAMs) with similar characteristics have been observed with Langmuir probe arrays in the edge plasma of HL-2A tokamak with low density Ohmic discharge. The dual KGAMs are named a low-frequency GAM (LFGAM) and a high-frequency GAM (...
作者:H.L. Zhao , H.G. Shen ...
来源:[J].Nuclear Fusion(IF 2.734), 2018, Vol.58 (3)IOP
摘要:Dynamics of the pedestal between type-III ELMs have been studied by a particular designed four-step probe array on HL-2A tokamak. The recovery of the edge transport barrier (ETB) can be divided clearly into three different phases. Inconsistent with the dynamics during the ty...
作者:H.L. Zhao , J.F. Shan ...
来源:[J].Nuclear Fusion(IF 2.734), 2018, Vol.58 (12)IOP
摘要:The plasma current profile modification in the edge region is observed in LHCD (lower hybrid current drive) plasmas for the first time in EAST, correlated with an increased level of PI (parametric instability) activities with the decrease in LH (lower hybrid) source frequency or ...
作者:H.L. Zhao , Y.J. Chen ...
来源:[J].Nuclear Fusion(IF 2.734), 2018, Vol.58 (12)IOP
摘要:The snake perturbations around q = 2 surface with strong poloidal asymmetry are frequently observed on EAST after the injection of high-Z impurities. A new pair of Beta-induced Alfvén eigenmodes (BAEs) with lower frequencies also come along with the 2/1 snake fluctuations, i...
作者:H.L. Zhao , Q. Zang ...
来源:[J].Nuclear Fusion(IF 2.734), 2019, Vol.59 (8)IOP
摘要:An internal transport barrier (ITB) and double tearing modes (DTM) have been observed during the off-axis sawteeth in EAST. The ITB of electron temperature T e is modulated by the sawteeth oscillation, and the formation of an ITB can be divided into three stages...
作者:H.L. Zhao , H.G. Shen ...
来源:[J].Nuclear Fusion(IF 2.734), 2017, Vol.57 (1)IOP
摘要:An electrostatic coherent mode with a frequency of kHz can be observed during the formation of transport barriers in high-confinement-mode plasma in the HL-2A tokamak, using reciprocating Langmuir probes. The mode drives a strong inward particle flux measured directly with four-...
作者:H.L. Zhao , J.Z. Zhang ...
来源:[J].Nuclear Fusion(IF 2.734), 2018, Vol.58 (1)IOP
摘要:In this paper, we present clear experimental evidence of core region nonlinear coupling between (intermediate, small)-scale microturbulence and an magnetohydrodynamics (MHD) mode during the current ramp-down phase in a set of L-mode plasma discharges in the experimental advanced ...

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