英国物理学会
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作者:S.J. Zweben , J.W. Ahn ...
来源:[J].Nuclear Fusion(IF 2.734), 2019, Vol.59 (11)
摘要:The mission of the spherical tokamak NSTX-U is to explore the physics that drives core and pedestal transport and stability at high- and low collisionality, as part of the development of the spherical tokamak (ST) concept towards a compact, low-cost ST-based pilot plant. NSTX-U w...
作者:S.J. Zweben , E.D. Fredrickson ...
来源:[J].Nuclear Fusion(IF 2.734), 2017, Vol.57 (12)
摘要:A new n = 1 dominated edge harmonic oscillation (EHO) has been found in NSTX. The new EHO, rotating toroidally in the counter-current direction and the opposite direction of the neutral beam, was observed during certain inter-ELM and ELM-free periods of H-mode operation. This EHO...
作者:... S. Banerjee , S.J. Zweben , T. Stoltzfus-Dueck
来源:[J].Nuclear Fusion(IF 2.734), 2017, Vol.57 (6)
摘要:We studied the energy exchange dynamics across the low-to-high-confinement (L–H) transition in NSTX discharges using the gas-puff imaging (GPI) diagnostic. The investigation focused on the energy exchange between flows and turbulence to help clarify the mechanism of the L–H ...
作者:S.J. Zweben , W.M. Davis ...
来源:[J].Nuclear Fusion(IF 2.734), 2015, Vol.55 (9)
摘要:This paper describes the range of variations in edge and SOL turbulence observed using a gas puff imaging (GPI) diagnostic in NSTX discharges. The database consists of 140 shots including Ohmic, L-mode, and H-mode plasmas measured during steady-state conditions (e.g. without...
作者:... J.L. Terry , P. Scarin , S.J. Zweben
来源:[J].Nuclear Fusion(IF 2.734), 2011, Vol.51 (5), pp.053020 (9pp)
摘要:Plasma edge turbulence of Alcator C-Mod tokamak is studied with a fast camera in different density regimes. The statistical properties of the fluctuations, as well as the behaviour of the blobs, are characterized in plasma discharges at different normalized densities, studying th...
作者:... D.A. Russell , J.L. Terry , S.J. Zweben
来源:[J].Nuclear Fusion(IF 2.734), 2013, Vol.53 (7)
摘要:The edge and scrape-off layer (SOL) region of a tokamak plasma is considered, with emphasis on sheared flow generation and the dynamics of blob-filaments. Both numerical simulations and experimental data analysis are employed. The simulations use the fluid-based two-dimensional (...

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