英国皇家物理学会期刊
期刊
会议
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作者:Y. Ren , E. Belova ...
来源:[J].Nuclear Fusion(IF 2.734), 2017, Vol.57 (7)IOP
摘要:The anomalous level of electron thermal transport inferred in magnetically confined configurations is one of the most challenging problems for the ultimate realization of fusion power using toroidal devices: tokamaks, spherical tori and stellarators. It is generally believed that...
作者:Y. Ren , W. Guttenfelder ...
来源:[J].Nuclear Fusion(IF 2.734), 2013, Vol.53 (8)IOP
摘要:Microturbulence is considered to be a major candidate in driving anomalous transport in fusion plasmas, and the equilibrium E × B shear generated by externally driven flow can be a powerful tool to control microturbulence in future fusion devices such as FNSF and ITER. Here ...
作者:Y. Ren , S. Kaye ...
来源:[J].Nuclear Fusion(IF 2.734), 2015, Vol.55 (12)IOP
摘要:New turbulence contributions to plasma transport and confinement in the spherical tokamak (ST) regime are identified through nonlinear gyrokinetic simulations. The drift wave Kelvin–Helmholtz (KH) mode characterized by intrinsic mode asymmetry is shown to drive significant i...
作者:... S.M. Kaye , Y. Ren , W.M. Solomon
来源:[J].Nuclear Fusion(IF 2.734), 2017, Vol.57 (5)IOP
摘要:Non-axisymmetric magnetic fields are used to perturbatively probe momentum transport physics in MAST L-mode plasmas. The low beta L-mode target was chosen to complement previous experiments conducted in high beta NSTX H-mode plasmas ( β N = 3.5–4.6) where an inwar...
作者:Y. Ren , Y. Qiu ...
来源:[J].EPL (Europhysics Letters)(IF 2.26), 2009, Vol.85 (1)IOP
摘要:The relation between the spin-density wave (SDW) and superconducting order is a central topic in the current research on the FeAs-based high- T C superconductors. Conflicting results exist in the LaFeAs(O, F)-class of materials, for which whether the SDW and supercon...
作者:... Z. L. Wang , Y. Ren , Y. D. Wang
来源:[J].EPL (Europhysics Letters)(IF 2.26), 2012, Vol.98 (4), pp.46004 (6pp)IOP
摘要:Here we report a transition in superelastic hysteresis loop from sharp with plateau to smooth without plateau for a Ni55−xCoxFe18Ga27 (x=0–12) alloy system with increasing Co substituting for Ni up to 10 at.%. With the Co content r...
作者:Y. Ren , R.E. Bell ...
来源:[J].Nuclear Fusion(IF 2.734), 2013, Vol.53 (9)IOP
摘要:Nonlinear simulations based on multiple NSTX discharge scenarios have progressed to help differentiate unique instability mechanisms and to validate with experimental turbulence and transport data. First nonlinear gyrokinetic simulations of microtearing turbulence in a high-...
作者:Y. Ren , R.E. Bell ...
来源:[J].Nuclear Fusion(IF 2.734), 2013, Vol.53 (11)IOP
摘要:The pedestal structure in NSTX is strongly affected by lithium coatings applied to the PFCs. In discharges with lithium, the density pedestal widens, and the electron temperature ( T e) gradient increases inside a radius of ψ N ∼ 0.95, but is unchanged ...
作者:... M. Inomoto , Y. Ren , B. McGeehan
来源:[J].Nuclear Fusion(IF 2.734), 2008, Vol.48 (3)IOP
摘要:A new method for inductively forming a field reversed configuration is demonstrated, based on the inductively driven transformation of a spheromak. The driven transition can be achieved in argon and krypton plasmas, in which MHD modes are suppressed; simulations indicate that sta...

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