This paper compares the essential divertor transport features of the poloidal divertor, which
is well developed for tokamaks, and the non-axisymmetric divertors currently investigated on …

Edge impurity transport has been investigated in the stochastic layer of the Large Helical
Device (LHD) and the scrape-off layer (SOL) of the Huan Liuqi-2A (HL-2A) tokamak, as a …

The behavior of impurities in the Large Helical Device (LHD) is reviewed based on the
knowledge acquired since LHD experiments started in 1998. As a result, a consistent …

Abstract In the Large Helical Device (LHD) operated with a metallic (stainless steel) first wall,
it is found that the iron density, n Fe, at the plasma core is fairly low (n Fe⩽ 10 8 cm− 3) in …

We present a theoretical/numerical predictive analysis of the performance of the W7-X island
divertor under conditions of detachment characterized by intensive radiation. The analysis is …

This paper assesses the three-dimensional (3D) effects of the edge magnetic field structure
on divertor/scrape-off layer transport, based on an inter-machine comparison of …

The effects of resonant magnetic perturbation (RMP) field on impurity radiation, divertor
footprint distribution, and core plasma transport are investigated in the detachment …

Edge impurity transport is studied in electron cyclotron resonance heating (ECRH) L-mode
plasmas of the HL-2A tokamak based on space-resolved vacuum ultraviolet spectroscopy …

A space-resolved vacuum ultraviolet (VUV) spectroscopy using a 3 m normal incidence
spectrometer has been developed to measure the impurity profile in the edge ergodic layer …

The parallel flow of carbon impurity in a thick stochastic magnetic field layer called
the'ergodic layer'located at the edge plasma of the Large Helical Device (LHD) is studied by …