英国物理学会
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作者:B.D. Yuan , S.B. Gong ...
来源:[J].Journal of Instrumentation(IF 1.869), 2017, Vol.12 (05)IOP
摘要:In this article we present the main idea to construct a steady-state upgraded KT-5, with a conductive ring placed in the vacuum chamber center along the axis. It has an externally controllable poloidal magnetic field and a tokamak-like magnetic configuration. Some main parameters...
作者:B.D. Yuan , T. Lan ...
来源:[J].Journal of Instrumentation(IF 1.869), 2017, Vol.12 (10)IOP
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:B.D. Yuan , Y.J. Shi ...
来源:[J].Journal of Instrumentation(IF 1.869), 2018, Vol.13 (01)IOP
摘要:128-channel Beam Emission Spectroscopy (BES) diagnostic basing on neutral beam injection (NBI) has recently been developed on EAST tokamak. It can diagnose plasma density fluctuation with a sample rate of 1 MHz and a spatial resolution of 1–3 cm, according to the diagnosing ...
作者:B.D. Yuan , S.B. Gong ...
来源:[J].Nuclear Fusion(IF 2.734), 2018, Vol.58 (2)IOP
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:B.D. Yuan , Y.F. Wu ...
来源:[J].Nuclear Fusion(IF 2.734), 2018, Vol.58 (3)IOP
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:B.D. Yuan , H. Liu ...
来源:[J].Journal of Instrumentation(IF 1.869), 2018, Vol.13 (10)IOP
摘要:Diffraction effects of diagnostic windows and a phase plate are evaluated in sets of phase contrast imaging (PCI) systems on HL-2A tokamak. Results show that wave field of an incident laser with shorter wavelength is less effected by diffraction. The diameter of viewing wind...

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