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作者:X.T. Ding , X.R. Duan
来源:[J].Physics Letters A(IF 1.766), 2016, Vol.380 (46), pp.3897-3904
摘要:Abstract(#br)The impact of a low frequency MHD mode crash on triggering the H-mode has been studied in detail on the HL-2A tokamak. The mode manifests fishbone characteristics with a precession frequency f ≈ 14 – 19 kHz . The abrupt mode crash evokes substantial energy relea...
作者:... X.M. Song , Q.W. Yang , X.T. Ding
来源:[J].Journal of Nuclear Materials(IF 1.211), 2015, Vol.463, pp.455-458
摘要:Abstract(#br)Poloidal symmetric low frequency oscillations at the plasma edge were observed during the low-intermediate-high transitions on the HL-2A tokamak. The limit cycle oscillation (LCO) frequency gradually reduces from 3.0 kHz to 1.5 kHz approaching the H mode. Meanwhile a...
作者:X.T. Ding , L.M. Yu ...
来源:[J].Physics Letters A(IF 1.766), 2013, Vol.377 (5), pp.387-390
摘要:Abstract(#br)In this Letter, it is reported that the first experimental results are associated with the GAM induced by energetic electrons (EGAM) in HL-2A Ohmic plasma. The energetic electrons are jointly generated by Ohmic electric fields and parallel electric fields during...
作者:... Q.W. Yang , X.T. Ding , X.R. Duan
来源:[J].Journal of Nuclear Materials(IF 1.211), 2013, Vol.438, pp.S1200-S1203
摘要:Abstract(#br)Divertor heat flux mitigation has been achieved using the Supersonic Molecular Beam Injection (SMBI) in type-III ELMy H-mode plasmas on the HL-2A tokamak. After an SMBI, ELM mitigation occurs and is characterized by an ELM frequency increase by a factor of 2–3 a...
作者:... C.L. Tian , X.T. Ding , Y. Liu
来源:[J].Fusion Engineering and Design(IF 0.842), 2006, Vol.81 (23), pp.2823-2826
摘要:Abstract(#br)Glass and copper mirrors were exposed inside the HL-2A vacuum chamber. Arc discharge mark has been found on the glass mirror. The optical transmission character of test mirrors has been measured. The main components of the deposited materials on the first mirror are ...
作者:X.T. Ding , Y.D. Pan ...
来源:[J].Journal of Nuclear Materials(IF 1.211), 2007, Vol.363-365, pp.1340-1345
摘要:Abstract(#br)Wall conditioning with siliconization has been performed in the HL-2A tokamak to improve the plasma performance. It was based on the plasma chemical vapor deposition by using a four-anode glow discharge cleaning system and gas mixture of 90% He + 10% SiH 4 . It was f...
作者:X.T. Ding , J.Q. Dong ...
来源:[J].Nuclear Fusion(IF 2.734), 2018, Vol.58 (4)
摘要:Effect of the pedestal deposited impurity on the edge-localized mode (ELM) behaviour has been observed and intensively investigated in the HL-2A tokamak. Impurities have been externally seeded by a newly developed laser blow-off (LBO) system. Both mitigation and suppression ...
作者:X.T. Ding , X.R. Duan ...
来源:[J].Nuclear Fusion(IF 2.734), 2018, Vol.58 (3)
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:X.T. Ding , J.Q. Dong ...
来源:[J].Nuclear Fusion(IF 2.734), 2018, Vol.58 (5)
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:X.T. Ding , Z.C. Yang ...
来源:[J].Nuclear Fusion(IF 2.734), 2018, Vol.58 (2)
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...

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