The overview discusses development of the unique fusion plasma diagnostics—Heavy Ion
Beam Probing (HIBP) in application to toroidal magnetic plasma devices. The basis of the …

Collapse of the edge flow shear as the line-averaged density approaches the Greenwald
density limit has been observed as a precursor to the enhanced edge particle flux …

The influence of both positive and negative bias on global and plasma-edge parameters has
been comparatively studied with a newly designed electrode biasing system in the J-TEXT …

A theoretical study is made of the effect of edge biasing on the dynamics of the interchange
turbulence in the edge and scrape-off layer regions. A linear analysis of a set of model fluid …

GG Grenfell, IC Nascimento, DS Oliveira, ZO Guimarães-Filho, JI Elizondo, AP Reis, RMO
Galvão, WAH Baquero, AM Oliveira, G. Ronchi, WP de Sá, JHF Severo, T CABR Team; H …

Joint experiments (JEs) on small tokamaks have been regularly performed between 2005
and 2015 under the framework of the International Atomic Energy Agency (IAEA) …

Zonal flows (ZFs) are observed during the electrode biasing (EB) high confinement mode (H-
mode) using Langmuir probe arrays on the edge of J-TEXT tokamak. The long-distance …

The inward particle transport is associated with the formation of peaked density profiles,
which contributes to improve the fusion rate and the realization of steady-state discharge …

Efeitos da polarização eletrostática de eletrodos na periferia de tokamaks têm sido
investigados em pequenos tokamaks e mesmo em alguns tokamaks de grande porte. Em …

The effects of positive and negative bias voltages on the turbulence characteristics in the
edge plasmas of J-TEXT are studied using Langmuir probe arrays. The experimental results …