英国物理学会
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作者:... Y. Kishimoto , J.Q. Li , H. Nordman
来源:[J].Nuclear Fusion(IF 2.734), 2017, Vol.57 (6)IOP
摘要:A novel methodology to analyze non-Gaussian probability distribution functions (PDFs) of intermittent turbulent transport in global full-f gyrokinetic simulations is presented. In this work, the auto-regressive integrated moving average (ARIMA) model is applied to time series dat...
作者:J.Q. Li , J.Q. Dong ...
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:... K. Imadera , J.Q. Li , Z.X. Wang
来源:[J].Nuclear Fusion(IF 2.734), 2018, Vol.58 (5)IOP
摘要:The mechanism for the formation and sustainment of a self-organized global profile and the ‘ E × B staircase’ are investigated through simulations of a flux-driven ion temperature gradient (ITG) turbulence based on GKNET, a 5D global gyrokinetic code. The staircase is f...
作者:... S. Yamaguchi , K.J. Zhao , J.Q. Li
来源:[J].Nuclear Fusion(IF 2.734), 2019, Vol.59 (4)IOP
摘要:Two different directions of scale-to-scale energy transfer that corresponds to forward and inverse energy cascades, respectively, were clarified in toroidal plasma turbulence by means of experimental analysis. In the present work we first report the evidence that the turbulence d...
作者:J.Q. Li , W.X. Wang ...
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 ...
作者:... L. Wei , J.Q. Li , Y. Kishimoto
来源:[J].Nuclear Fusion(IF 2.734), 2016, Vol.56 (1)IOP
摘要:Effect of shear flow on the multi-scale nonlinear interaction in plasmas is numerically investigated by using a self-consistent Landau-fluid model. Dual roles of shear flow in the process are discovered, significantly suppressing micro-scale fluctuations and dramatically promotin...

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