Neoclassical plasma viscosity and transport processes in non-axisymmetric tori
KC Shaing, K Ida, SA Sabbagh - Nuclear Fusion, 2015 - iopscience.iop.org
Neoclassical transport processes are important to the understanding of plasma confinement
physics in doubly periodic magnetized toroidal plasmas, especially, after the impact of the …
physics in doubly periodic magnetized toroidal plasmas, especially, after the impact of the …
On impurity handling in high performance stellarator/heliotron plasmas
R Burhenn, Y Feng, K Ida, H Maassberg… - Nuclear …, 2009 - iopscience.iop.org
Abstract The Large Helical Device (LHD) and Wendelstein 7-X (W7-X, under construction)
are experiments specially designed to demonstrate long-pulse (quasi steady state) …
are experiments specially designed to demonstrate long-pulse (quasi steady state) …
A review of impurity transport characteristics in the LHD
S Sudo - Plasma Physics and Controlled Fusion, 2016 - iopscience.iop.org
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 …
knowledge acquired since LHD experiments started in 1998. As a result, a consistent …
Experimental study of impurity screening in the edge ergodic layer of the large helical device using carbon emissions of CIII to CVI
MB Chowdhuri, S Morita, M Kobayashi, M Goto… - Physics of …, 2009 - pubs.aip.org
Four resonance transitions of CIII (977.03 Å: 2 s 2 S 1 0-2 s 2 p P 1 1), CIV (1550 Å: 2 s S 2-
2 p P 2), CV (40.27 Å: 1 s 2 S 1 0-1 s 2 p P 1 1), and CVI (33.73 Å: 1 s S 2-2 p P 2) have …
2 p P 2), CV (40.27 Å: 1 s 2 S 1 0-1 s 2 p P 1 1), and CVI (33.73 Å: 1 s S 2-2 p P 2) have …
Fast imaging of edge localized mode structure and dynamics in DIII-D
Fast-framing images of CIII and D α emission in the low-field-side plasma boundary of the
DIII-D tokamak [JL Luxon, Nucl. Fusion 42, 614 (2002)] show that edge localized modes …
DIII-D tokamak [JL Luxon, Nucl. Fusion 42, 614 (2002)] show that edge localized modes …
Development of a passive visible spectroscopic diagnostic on HL-2A tokamak
L Liu, DL Yu, WJ Chen, XF He, XX He, YL Wei… - Fusion Engineering and …, 2019 - Elsevier
A passive visible spectroscopic diagnostic which may measure the profiles of line emission
and continuum radiation simultaneously is first installed on HL-2A tokamak. The line …
and continuum radiation simultaneously is first installed on HL-2A tokamak. The line …
LH transition and edge transport barrier formation on LHD
K Toi, F Watanabe, S Ohdachi, S Morita… - Fusion Science and …, 2010 - Taylor & Francis
The LH transition was observed in a unique helical divertor configuration where the core
plasma is surrounded by ergodic layer, exhibiting rapid increase in edge electron density …
plasma is surrounded by ergodic layer, exhibiting rapid increase in edge electron density …
Zeff profile diagnostics using visible bremsstrahlung continuum for nonaxisymmetric plasmas with finite β in large helical device
HY Zhou, S Morita, M Goto, CF Dong - Journal of Applied Physics, 2010 - pubs.aip.org
An astigmatism-corrected Czerny–Turner-type visible spectrometer coupled with a charge-
coupled device has been installed in large helical device (LHD) to measure visible …
coupled device has been installed in large helical device (LHD) to measure visible …
Confinement improvement during detached phase with RMP application in deuterium plasmas of LHD
M Kobayashi, R Seki, Y Hayashi, T Oishi… - Nuclear …, 2022 - iopscience.iop.org
In order to explore the compatibility of good core plasma performance with divertor heat load
mitigation, the interaction between cold edge plasma and core plasma transport, including …
mitigation, the interaction between cold edge plasma and core plasma transport, including …
A study on plasma edge boundary in ergodic layer of LHD based on radial profile measurement of impurity line emissions
C Dong, S Morita, M Kobayashi, M Goto… - Physics of …, 2011 - pubs.aip.org
Vertical profiles of edge impurity emissions have been measured in upper half region of
elliptical plasmas at horizontally elongated plasma cross section in large helical device …
elliptical plasmas at horizontally elongated plasma cross section in large helical device …