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 …
Status of plasma facing material studies and issues toward DEMO
Y Ueda - Plasma and Fusion Research, 2010 - jstage.jst.go.jp
Plasma facing materials in divertors in fusion reactors are subject to high heat load up to∼
10 MW/m2. To withstand this heat flux, only materials with high thermal conductivity and high …
10 MW/m2. To withstand this heat flux, only materials with high thermal conductivity and high …
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 …
Innovation on high-power long-pulse gyrotrons
Progress in the worldwide development of high-power gyrotrons for magnetic confinement
fusion plasma applications is described. After technology breakthroughs in research on …
fusion plasma applications is described. After technology breakthroughs in research on …
Effects of the Stochasticity on Transport Properties in High-β LHD
Y Suzuki, K Watanabe, H Funaba… - Plasma and Fusion …, 2009 - jstage.jst.go.jp
Generating and keeping clear flux surfaces are aims of magnetic confinement researches,
because the stochasticity of magnetic field lines leads the degradation of the confinement …
because the stochasticity of magnetic field lines leads the degradation of the confinement …
Observation of nonlinear coupling between low frequency coherent modes and background turbulence in LMD-U
T Kobayashi, S Inagaki, H Arakawa… - Plasma and Fusion …, 2011 - jstage.jst.go.jp
Understanding of turbulence structure formation in magnetized plasma is important for
realizing thermonuclear fusion. Theoretical and experimental works report that meso-scale …
realizing thermonuclear fusion. Theoretical and experimental works report that meso-scale …
Investigation of the helical divertor function and the future plan of a closed divertor for efficient particle control in the LHD plasma periphery
M Shoji, S Masuzaki, M Kobayashi, M Goto… - Fusion Science and …, 2010 - Taylor & Francis
The function of the divertor plasmas on the particle control in the plasma periphery is
investigated from viewpoints of magnetic field line structures and neutral particle transport in …
investigated from viewpoints of magnetic field line structures and neutral particle transport in …
Study on radial position of impurity ions in core and edge plasma of LHD using space-resolved EUV spectrometer
C Dong - Plasma Science and Technology, 2011 - iopscience.iop.org
Radial profiles of impurity ions of carbon, neon and iron were measured for high-
temperature plasmas in large helical device (LHD) using a space-resolved extreme …
temperature plasmas in large helical device (LHD) using a space-resolved extreme …
High power gyrotron development for fusion application
K Sakamoto, K Kajiwara, A Kasugai… - 2008 33rd …, 2008 - ieeexplore.ieee.org
Recent progresses in gyrotron development and related technologies are presented. The
gyrotron demonstrated ITER relevant parameters at 170 GHz (1 MW, 800 s, 55%), and …
gyrotron demonstrated ITER relevant parameters at 170 GHz (1 MW, 800 s, 55%), and …
Long pulse operation of a dual frequency gyrotron for JT-60SA
T Kobayashi, M Sawahata, M Terakado… - … Waves (IRMMW-THz …, 2013 - ieeexplore.ieee.org
Long pulse operation of a dual frequency gyrotron for JT-60SA, which can oscillate both 110
GHz and 138 GHz waves, was started. Oscillations at∼ 0.4 MW for 2 s (both frequencies) …
GHz and 138 GHz waves, was started. Oscillations at∼ 0.4 MW for 2 s (both frequencies) …