英国物理学会
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作者:Z.C. Yang , Y.G. Li
来源:[J].Nuclear Fusion(IF 2.734), 2015, Vol.55 (8)IOP
摘要:A class of evident MHD activities prior to major disruption has been observed during recent radiation induced disruptions of the HL-2A tokamak discharges. It can be named SOD, synchronous oscillations prior to disruption, characterized by synchronous oscillation of electron cyclo...
作者:Z.C. Yang , B.Y. Zhang ...
来源:[J].Nuclear Fusion(IF 2.734), 2015, Vol.55 (11)IOP
摘要:The oscillations of poloidal plasma flows induced by radially sheared zonal flows are investigated by newly developed correlation Doppler reflectometers in the HL-2A tokamak. The non-disturbing diagnostic allows one to routinely measure the rotation velocity of turbulence, and he...
作者:Z.C. Yang , W.L. Zhong ...
来源:[J].Nuclear Fusion(IF 2.734), 2017, Vol.57 (11)IOP
摘要:Multi-scale interactions have been observed recently in the HL-2A core NBI plasmas, including the synchronous coupling between kink mode and tearing mode, nonlinear couplings of TAE/BAE and TM near surface, AITG/KBM/BAE and kink mode near surface, and between kink mode and...
作者:Z.C. Yang , O. Pan ...
来源:[J].Nuclear Fusion(IF 2.734), 2018, Vol.58 (3)IOP
摘要:The type of edge turbulence transition from resistive ballooning modes (RBM) to drift-type ion temperature gradient (ITG) modes has been observed in the gas puffing modulation experiments and also simulations at the HL-2A tokamak. The experimental evidence on RMB and ITG characte...
作者:Z.C. Yang , W.L. Zhong ...
来源:[J].Nuclear Fusion(IF 2.734), 2018, Vol.58 (5)IOP
摘要:Kinetic Alfvén and pressure gradient driven instabilities are very common in magnetized plasmas, both in space and the laboratory. These instabilities will be easily excited by energetic particles (EPs) and/or pressure gradients in present-day fusion and future burning plasm...
作者:Z.C. Yang , P.W. Shi ...
来源:[J].Nuclear Fusion(IF 2.734), 2018, Vol.58 (2)IOP
摘要:The radial profiles of perpendicular flows in the presence of the magnetic island were firstly measured in the HL-2A tokamak by hopping the work frequency of the Doppler backward scattering reflectometer system along with a two-dimensional electron cyclotron emission imaging dia...
作者:Z.C. Yang , Z.J. Li ...
来源:[J].Journal of Instrumentation(IF 1.869), 2018, Vol.13 (10)IOP
摘要:Neutral beam (NB) attenuation and beam emission are important aspects for Beam Emission Spectroscopy diagnostic on magnetic confinement devices. In this article, we present the simulation of beam attenuation and beam emission in typical HL-2A discharge scenarios, i.e. Low mo...
作者:Z.C. Yang , A.S. Liang ...
来源:[J].Nuclear Fusion(IF 2.734), 2019, Vol.59 (4)IOP
摘要:Dedicated experiments have been carried out at the J-TEXT tokamak for investigating plasma responses to the externally applied resonant magnetic perturbation (RMP) field with various RMP currents under four different toroidal phases. After its penetration, the dominant component ...
作者:Z.C. Yang , R.R. Ma ...
来源:[J].Nuclear Fusion(IF 2.734), 2019, Vol.59 (6)IOP
摘要:Research on beta induced Alfvén eigenmodes (BAEs) driven by energetic ions has been carried out on the HL-2A tokamak. The BAEs can be observed in the cases of being beyond or below unity. The mode frequencies are around 60–95 kHz. The radial mode structures have been detect...
作者:Z.C. Yang , B.S. Yuan ...
来源:[J].Nuclear Fusion(IF 2.734), 2019, Vol.59 (6)IOP
摘要:Modulation of turbulent electron temperature fluctuations ( ) and density fluctuations ( ) by an m /n = 1/1 tearing mode island was observed in the core plasma region of the HL-2A tokamak. High spatiotemporal resolution two-dimensional images of show the first evidence that the ...

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