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作者:... G. Zhuang , W.D. Liu , HL-2A Team
来源:[J].Nuclear Fusion(IF 2.734), 2018, Vol.58 (3)
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:... M. Ye , X. Duan , HL-2A team
来源:[J].Journal of Instrumentation(IF 1.869), 2018, Vol.13 (3)
摘要:A new gas puff imaging (GPI) diagnostic has been developed on the HL-2A tokamak to study two-dimensional plasma edge turbulence in poloidal vs. radial plane. During a discharge, neutral helium or deuterium gas is puffed at the edge of the plasma through a rectangular multi\nobrea...
作者:... X R Duan , Yong Liu , HL-2A team
来源:[J].Plasma Physics and Controlled Fusion(IF 2.369), 2017, Vol.59 (1)
摘要:In recent experiments of the HL-2A tokamak, the effect on the pedestal dynamics by the plasma fuelling with supersonic molecular beam injection (SMBI) has been intensively investigated. Experimental results in several tokamaks suggested that SMBI is a promising technique for ELM ...
作者:... Y.H. Xu , X.R. Duan , HL-2A Team
来源:[J].Nuclear Fusion(IF 2.734), 2017, Vol.57 (3)
摘要:Strong resonant and non-resonant internal kink modes (abbreviated as RKs and NRKs, respectively), which are also called resonant and non-resonant fishbones, are observed on HL-2A tokamak with high-power ECRH + ECCD (or ECRH) and ECRH + ECCD+, respectiv...
作者:... S.B. Gong , H. Liu , HL-2A Team
来源:[J].Nuclear Fusion(IF 2.734), 2018, Vol.58 (2)
摘要:The cross phase between radial velocity perturbation and poloidal velocity perturbation plays an important role in the radial distribution of Reynolds stress. Recently, a novel theory of cross-phase dynamics predicts that, depending on the strength of the E × B shearing, the...
作者:... X.T. Ding , X.R. Duan , HL-2A team
来源:[J].Nuclear Fusion(IF 2.734), 2017, Vol.57 (7)
摘要:New mesoscale electric fluctuations (MSEFs) are identified in the edge plasmas of the HL-2A tokamak using multiple Langmuir probe arrays. The MSEFs, resulting from the synchronization and having components of dominant geodesic acoustic mode (GAM) and m / n = 6/2 potential fluctua...
作者:... G Zhuang , W D Liu , HL-2A team
来源:[J].Plasma Physics and Controlled Fusion(IF 2.369), 2019, Vol.61 (6)
摘要:With the application of a four-tip Langmuir probe, the anomalous transport contributed by the turbulence and its impact on particle decay length in the scrape-off layer (SOL) has been studied on HL-2A tokamak. A high-frequency electromagnetic mode (HFM, 100 kHz < f HFM<...
作者:... X.L. Zou , X.R. Duan , HL-2A team
来源:[J].Nuclear Fusion(IF 2.734), 2018, Vol.58 (3)
摘要:Systematic calibration experiment of Langmuir probe sheath potential coefficient Λ, which is a critical coefficient for estimating plasma sheath potential, has been carried out in the HL-2A tokamak deuterium plasmas. The electron energy probability function (EEPF) shows that...
作者:... M.Y. Ye , X.R. Duan , HL-2A team
来源:[J].Journal of Instrumentation(IF 1.869), 2017, Vol.12 (10)
摘要:Phase contrast imaging (PCI) has recently been developed on HL-2A tokamak. In this article we present the calibration of this diagnostic. This system is to diagnose chord integral density fluctuations by measuring the phase shift of a CO2 laser beam with a wavelen...
作者:... M. Xu , M.Y. Ye , HL-2A Team
来源:[J].Nuclear Fusion(IF 2.734), 2018, Vol.58 (9)
摘要:Frequency chirping properties of Alfvén modes driven by energetic ions in HL-2A have been analyzed with a method based on the so-called Berk–Breizman model, which predicts that the interaction between wave, energetic ions and collision effects may exhibit steady-state, perio...

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