All Stories

  1. Understanding of parameter dependence among the radiative collapse data in LHD plasmas with a causal discovery approach
  2. Plausible Model Improvement Utilizing the Information Obtained from Data Assimilation
  3. Neutron Spectroscopy in Perpendicular Neutral Beam Injection Deuterium Plasmas Using Newly Developed Compact Neutron Emission Spectrometers
  4. Data assimilation and control system for adaptive model predictive control
  5. Influence of the beam-beam collisions on the energetic particle distribution in large helical device
  6. Studies of energetic particle transport induced by multiple Alfvén eigenmodes using neutron and escaping energetic particle diagnostics in Large Helical Device deuterium plasmas
  7. ASTI: Data assimilation system for particle and heat transport in toroidal plasmas
  8. Parallel flow driven by electron cyclotron heating in the helically symmetric experiment
  9. Effects of electron cyclotron heating on the toroidal flow in LHD plasmas
  10. Time-resolved secondary triton burnup 14 MeV neutron measurement by a new scintillating fiber detector in middle total neutron emission ranges in deuterium large helical device plasma experiments
  11. Analysis of NB Fast-Ion Loss Mechanisms in MHD Quiescent LHD Plasmas
  12. Initial Results from High-Field-Side Transient CHI Start-Up on QUEST
  13. Magnetic Configuration and Heating Location Dependences of Toroidal Torques by Electron Cyclotron Heating in LHD
  14. Application of the Ensemble Kalman Smoother to Turbulent Transport Analysis in LHD Plasma
  15. Parametric Decay Wave Observation in HFS X-Mode Injection in QUEST
  16. Effect of the Pfirsch–Schlüter flow on the inboard/outboard asymmetry of the toroidal flow in LHD
  17. Data assimilation system based on integrated transport simulation of Large Helical Device plasma
  18. Isotope Effect on Energy Confinement Time and Thermal Transport in Neutral-Beam-Heated Stellarator-Heliotron Plasmas
  19. Simulation Study of Neutral Beam Injection Heating in the HSX Plasma
  20. Measurements of radial profile of hydrogen and deuterium density in isotope mixture plasmas using bulk charge exchange spectroscopy
  21. Evaluation of Neutron Emission Rate with FIT3D-DD Code in Large Helical Device
  22. Estimation of the <i>j </i>× <i>B </i>Force Produced by Electron Cyclotron Heating in HSX Plasma
  23. Feasibility Study of Neutral Beam Injection on Chinese First Quasi-Axisymmetric Stellarator (CFQS)
  24. Initial Results of Neutron Emission Profile Measurements in LHD Deuterium Plasmas
  25. Initial Results of Triton Burnup Study in the Large Helical Device
  26. Fast Ion Confinement Study by Neutron Emission Rate Measurement after Short Pulse NB Injection in the Large Helical Device
  27. Study of toroidal flow generation by ion cyclotron range of frequency minority heating in the Alcator C-Mod plasma
  28. Comparison of Ion Internal Transport Barrier Formation between Hydrogen and Helium Dominated Plasmas
  29. Estimations of Beam-Beam Fusion Reaction Rates in the Deuterium Plasma Experiment on LHD
  30. NBI Beam Ion Distributions in the Presence of Magnetic Islands in Helical Plasmas
  31. Simulation Study of Toroidal Flow Generation of Minority Ions by Local ICRF Heating
  32. Integrated discharge scenario for high-temperature helical plasma in LHD
  33. Effect of the RF wall conditioning on the high performance plasmas in the Large Helical Device
  34. Overview of transport and MHD stability study: focusing on the impact of magnetic field topology in the Large Helical Device
  35. Integrated transport simulations of high ion temperature plasmas of LHD
  36. Development of Momentum Conserving Monte Carlo Simulation Code for ECCD Study in Helical Plasmas
  37. Development of the Heating Scenarios to Achieve High-Ion Temperature Plasma in the Large Helical Device<sup> </sup>
  38. Integrated Particle Transport Simulation of NBI Plasmas in LHD
  39. Simulation Study of Energetic Triton Confinement in the D-D Experiment on LHD
  40. Impact of carbon impurities on the confinement of high-ion-temperature discharges in the Large Helical Device
  41. Extension of highTeregime with upgraded electron cyclotron resonance heating system in the Large Helical Device
  42. Physics analyses on the core plasma properties in the helical fusion DEMO reactor FFHR-d1
  43. Extension of high Te regime with upgraded ECRH system in the LHD
  44. Effect of Impurity Ions on NBI Heating in LHD Plasmas
  45. High Ion Temperature Plasmas using an ICRF Wall-Conditioning Technique in the Large Helical Device
  46. Integrated Heat Transport Simulation of Multi-Ion-Species Plasma in LHD
  47. Integration of Large-Scale Simulations and Numerical Modelling Tools in Close Link with the LHD Experiment
  48. Technical challenges in the construction of the steady-state stellarator Wendelstein 7-X
  49. Extension of operation regimes and investigation of three-dimensional currentless plasmas in the Large Helical Device
  50. Study ofα-particle confinement in an LHD-type heliotron reactor
  51. Extension of the operational regime in high-temperature plasmas and the dynamic-transport characteristics in the LHD
  52. Inter-machine validation study of neoclassical transport modelling in medium- to high-density stellarator-heliotron plasmas
  53. 3-D effects on viscosity and generation of toroidal and poloidal flows in LHD
  54. Effect of magnetic field configuration on parallel plasma flow during neutral beam injection in Heliotron J
  55. Formation of Electron-Root Radial Electric Field and its Effect on Thermal Transport in LHD High Te Plasma
  56. Development of Integrated Transport Analysis Suite for LHD Plasmas Towards Transport Model Validation and Increased Predictability
  57. Development of Transport Model in Reactor Plasmas based on LHD Experiment Scaling
  58. Development of a Nonlinear Collision Operator for GNET Code
  59. NBI Heating Analysis of Time-Development Plasma in LHD
  60. Simulation Study of ECCD by GNET with Momentum Conserving Collisional Operator
  61. Formularization of the confinement enhancement factor as a function of the heating profile for FFHR-d1 core plasma design
  62. Density fluctuation measurements using beam emission spectroscopy on Heliotron J
  63. Development of Integrated Transport Code, TASK3D, and Its Applications to LHD Experiment
  64. Measurement of Ion Temperature and Toroidal Rotation Velocity Using Charge Exchange Recombination Spectroscopy in Heliotron J
  65. Heat and momentum transport of ion internal transport barrier plasmas on the Large Helical Device
  66. Benchmarking of the mono-energetic transport coefficients—results from the International Collaboration on Neoclassical Transport in Stellarators (ICNTS)
  67. Erratum: “A convergence study for the Laguerre expansion in the moment equation method for neoclassical transport in general toroidal plasmas” [Phys. Plasmas 17, 082510 (2010)]
  68. Neoclassical electron transport calculation by using δf Monte Carlo method
  69. Neoclassical transport simulations for stellarators
  70. Study of α Particle Confinement in Helical Type Reactor by GNET Code
  71. Toroidal Flow Generation by the ICRF Minority Heating and RF Wave Field Profile Dependence
  72. Evaluation of Monte Carlo Calculation Accuracy for α Particle Confinement Analysis in Heliotron Reactors
  73. Simulation Study of ECCD in Helical Plasmas
  74. Study of Radial Diffusion of Energetic Ions by High-m Magnetic Perturbations Using DCOM Code
  75. Transport Study of LHD High-Beta Plasmas Based on Power Balance Analysis with TASK3D Code Module
  76. Application of beam emission spectroscopy to NBI plasmas of Heliotron J
  77. Fast ion charge exchange spectroscopy adapted for tangential viewing geometry in LHD
  78. Observation of Reversed-Shear Alfvén Eigenmodes Excited by Energetic Ions in a Helical Plasma
  79. A convergence study for the Laguerre expansion in the moment equation method for neoclassical transport in general toroidal plasmas
  80. Development of the Neoclassical Transport Module for the Integrated Simulation Code in Helical Plasmas
  81. Fast-Ion Response to Energetic-Particle-Driven MHD Activity in Heliotron J
  82. Optimization Study of ICRF Heating in the LHD and HSX Configurations
  83. Simulation Study of the MHD Stability Beta Limit in LHD by TASK3D
  84. Spontaneous toroidal rotation driven by the off-diagonal term of momentum and heat transport in the plasma with the ion internal transport barrier in LHD
  85. Effect of Halo Neutrals on Fast-Ion Charge Exchange Spectroscopy Measurements in LHD
  86. Evaluation of Fast-Ion Confinement Using a Radially Injected Neutral Beam in the LHD
  87. Physics of Heliotron J Confinement
  88. Turbulence Response in the High Ti Discharge of the LHD
  89. Development of net-current free heliotron plasmas in the Large Helical Device
  90. Shape effect of the outermost flux surface on effective helical ripple and zonal flow response in anL= 2 heliotron
  91. Simulation Study of Toroidal Shear Flow Generation by a Local ICRF Heating
  92. Fast ion charge exchange spectroscopy measurement using a radially injected neutral beam on the large helical device
  93. Web interface for plasma analysis codes
  94. Configuration Effects on Local Transport in High-Beta LHD Plasmas
  95. Density limit study focusing on the edge plasma parameters in LHD
  96. Development of a Hierarchy-Integrated Simulation Code for Toroidal Helical Plasmas, TASK3D
  97. Discriminating Acquisition of 15-MeV Protons from D-3He Fusion Reaction in LHD
  98. Effect of Ellipticity on Thermal Transport in ECH Plasmas in LHD
  99. Effect of Rotational Transform and Magnetic Shear on Confinement of Stellarators
  100. Electrostatic Potential Measurement by Using 6-MeV Heavy Ion Beam Probe on LHD
  101. Measurements of Micro-Turbulence in High Beta and High Density Regimes of LHD and Comparison with Resistive G-Mode Scaling
  102. Neoclassical Transport Properties in High-Ion-Temperature Hydrogen Plasmas in the Large Helical Device (LHD)
  103. Particle Transport and Fluctuation Characteristics around the Neoclassically Optimized Configuration in LHD
  104. Simulation Study of ICRF Wave Propagation and Absorption in 3-D Magnetic Configurations
  105. Study of Neoclassical Transport in LHD Plasmas by Applying the DCOM/NNW Neoclassical Transport Database
  106. Study on Poloidal and Toroidal Electric Field Generations by Electron Cyclotron Heating in a Helical Plasma
  107. Extended steady-state and high-beta regimes of net-current free heliotron plasmas in the Large Helical Device
  108. Core electron-root confinement (CERC) in helical plasmas
  109. Physical model assessment of the energy confinement time scaling in stellarators
  110. Steady-state operation and high energy particle production of MeV energy in the Large Helical Device
  111. Construction of Neoclassical Transport Database for Large Helical Device Plasma Applying Neural Network Method
  112. Development of Web Interfaces for Analysis Codes
  113. Impurity Transport Studies on LHD
  114. Stellarator Impurity STRAHL Code Development in NIFS
  115. Simulational study on losses of neutral beam-injected energetic ions via collisional ripple transport in the low aspect ratio helical system CHS
  116. Horizontal, vertical, and radial high-energy particle distribution measurement system in Large Helical Device
  117. Studies of fast-ion transport induced by energetic particle modes using fast-particle diagnostics with high time resolution in CHS
  118. A global simulation study of ICRF heating in the LHD
  119. Self-sustained detachment in the Large Helical Device
  120. Global confinement scaling for high-density plasmas in the Large Helical Device
  121. Density Regimes of Complete Detachment and Serpens Mode in LHD
  122. Experimental study of particle transport and density fluctuations in LHD
  123. Characterization of energy confinement in net-current free plasmas using the extended International Stellarator Database
  124. H-mode confinement of Heliotron J
  125. Effects of global MHD instability on operational high beta-regime in LHD
  126. Overview of confinement and MHD stability in the Large Helical Device
  127. High-ion temperature experiments with negative-ion-based neutral beam injection heating in Large Helical Device
  128. Temperature dependence of the thermal diffusivity in high-collisionality regimes in the large helical device
  129. Experimental studies of energetic-ion-driven MHD instabilities in Large Helical Device plasmas
  130. Extension and characteristics of an ECRH plasma in LHD
  131. Electron Pressure Profiles in High-Density Neutral Beam Heated Plasmas in the Large Helical Device
  132. Evaluation of energetic particle confinement using CXNPA with NB-blip experiments on Large Helical Device
  133. Two-dimensional scanning high-energy particle diagnostic system in Large Helical Device
  134. Energetic ion driven Alfvén eigenmodes in Large Helical Device plasmas with three-dimensional magnetic structure and their impact on energetic ion transport
  135. Observations of edge radial electric field transition in LHD plasmas
  136. Characteristics of transport in electron internal transport barriers and in the vicinity of rational surfaces in the Large Helical Device
  137. Formation of neoclassical internal transport barriers under various operational regimes on compact helical system
  138. Observation of pellet ablation behaviour on the large helical device
  139. Comparison of electron internal transport barriers in the large helical device and JT-60U plasmas
  140. Characteristics of sawtooth oscillations observed in the compact helical system
  141. Confinement characteristics of the quasi-axisymmetric stellarator CHS-qa
  142. Study of ripple-trapped proton behaviour in LHD by two line-of-sight measurements of fast neutrals
  143. Increased understanding of neoclassical internal transport barriers in CHS
  144. MHD instabilities and their effects on plasma confinement in Large Helical Device plasmas
  145. Radial electric field and transport near the rational surface and the magnetic island in LHD
  146. Observation of Helicity-Induced Alfvén Eigenmodes in Large-Helical-Device Plasmas Heated by Neutral-Beam Injection
  147. Recent advances in the LHD experiment
  148. Impurity transport model for the normal confinement and high density H-mode discharges in Wendelstein 7-AS
  149. Experimental study on ion temperature behaviours in ECH, ICRF and NBI H2, He and Ne discharges of the Large Helical Device
  150. Characteristics of Electron Heat Transport of Plasma with an Electron Internal-Transport Barrier in the Large Helical Device
  151. Impact of heat deposition profile on global confinement of NBI heated plasmas in the LHD
  152. Ion cyclotron range of frequencies heating and high-energy particle production in the Large Helical Device
  153. Effective radial Liapunov exponent for the radial diffusion of test electrons
  154. Formation of electron internal transport barriers by highly localized electron cyclotron resonance heating in the large helical device
  155. Confinement characteristics of high-energy ions produced by ICRF heating in the large helical device
  156. Sawtooth Oscillation in Current-Carrying Plasma in the Large Helical Device
  157. Formation of electron internal transport barrier and achievement of high ion temperature in Large Helical Device
  158. Statistical properties of the radial transport in the magnetic field with radially bounded stochastic region
  159. Recent results from the Large Helical Device
  160. Plasma performance and impurity behaviour in long pulse discharges on LHD
  161. Fueling efficiency of gas puffing on large helical device
  162. Neutralization loss of high energy particles in the plasma boundary of LHD
  163. Spatial resolved high-energy particle diagnostic system using time-of-flight neutral particle analyzer in large helical device
  164. Spatially resolved measurements of energetic neutral particle distributions in the Large Helical Device
  165. Analysis of Radial Electric Field Bifurcation in LHD Based on Neoclassical Transport Theory
  166. Neoclassical transport optimization of LHD
  167. Behaviour of ion temperature in electron and ion heating regimes observed with ECH, NBI and ICRF discharges of LHD
  168. Microinstability studies for the large helical device
  169. Optimization of ICRF heating in terms of confining magnetic field parameters in the LHD*
  170. Study of acceleration and confinement of high-energy protons during ICRF and NBI heating in LHD using a natural diamond detector
  171. Compatibility between high energy particle confinement and magnetohydrodynamic stability in the inward-shifted plasmas of the Large Helical Device
  172. Characterization of edge pressure in the Large Helical Device
  173. Bootstrap current analysis for neoclassical internal transport barrier discharge of CHS
  174. Favourable effect of methane discharges observed in LHD pellet shots
  175. Improvement of neoclassical ion thermal transport near the plasma edge in the electron root regime on LHD
  176. Transport of the plasma with neoclassical internal transport barrier on CHS
  177. Observation of flow reversal in plasmas with a neoclassical internal transport barrier in CHS
  178. Island Dynamics in the Large-Helical-Device Plasmas
  179. Achievement of 10 keV Central Electron Temperatures by ECH in LHD.
  180. Electron Heat Transport Analysis of Low-Collisionality Plasmas in the Neoclassical-Transport-Optimized Configuration of LHD.
  181. Triggering Instability of Sawtooth Crash in NBI-Heated Plasmas of CHS Heliotron/Torsatron.
  182. Quasi-Symmetry in Stellarator Research. 5. Status of Physics Design of Quasi-Axisymmetric Stellarators. 5.2. Physics and Engineering Design of CHS-qa.
  183. A study of high-energy ions produced by ICRF heating in LHD
  184. Physics and engineering design of the low aspect ratio quasi-axisymmetric stellarator CHS-qa
  185. Configuration flexibility and extended regimes in Large Helical Device
  186. Overview of LHD experiments
  187. Observation of the “Self-Healing” of an Error Field Island in the Large Helical Device
  188. MHD characteristics in the high beta regime of the Large Helical Device
  189. Experimental investigation of the ripple induced losses of perpendicularly injected beam ions in the low aspect ratio helical system CHS
  190. Statistical properties of the neoclassical radial diffusion in a tokamak equilibrium
  191. Derivation of energy confinement time and ICRF absorption in LHD by power modulation
  192. Ion and electron heating in ICRF heating experiments on LHD
  193. Energy confinement and thermal transport characteristics of net current free plasmas in the Large Helical Device
  194. Reduction of Ion Thermal Diffusivity Associated with the Transition of the Radial Electric Field in Neutral-Beam-Heated Plasmas in the Large Helical Device
  195. Experimental studies towards long pulse steady state operation in LHD
  196. Improved plasma performance on Large Helical Device
  197. Ion cyclotron range of frequency heating experiments on the large helical device and high energy ion behavior
  198. Role of core radiation during slow oscillations in LHD
  199. Impact of pellet injection on extension of the operational region in LHD
  200. The performance of ICRF heated plasmas in LHD
  201. α-particle confinement optimization in quasi-axisymmetric configurations
  202. Charge exchange neutral particle analysis with natural diamond detectors on LHD heliotron
  203. Electron cyclotron heating scenario and experimental results in LHD
  204. In situcalibration of neutral beam port-through power and estimation of neutral beam deposition on LHD
  205. Drift mode calculations for the Large Helical Device
  206. Experimental studies on NBI and ICRF heated plasmas in the large helical device
  207. Ion Heating and High-Energy-Particle Production by Ion-Cyclotron Heating in the Large Helical Device
  208. Overview of the Large Helical Device
  209. Overview of long pulse operation in the Large Helical Device
  210. Thermal transport barrier in heliotron-type devices (Large Helical Device and Compact Helical System)
  211. 5-D simulation study of suprathermal electron transport in non-axisymmetric plasmas
  212. The first ICRF heating experiment in the large helical device
  213. Energy Confinement Time and Heat Transport in Initial Neutral Beam Heated Plasmas on the Large Helical Device
  214. Edge Thermal Transport Barrier In LHD Discharges
  215. The neoclassical “Electron Root” feature in the Wendelstein-7-AS stellarator
  216. Experiments on NBI plasmas in LHD
  217. Plasma confinement studies in LHD
  218. Confinement physics study in a small low aspect ratio helical device: CHS
  219. Effect of energetic ion loss on ICRF heating efficiency and energy confinement time in heliotrons
  220. Overview of the Large Helical Device project
  221. A new bdeltafmethod for neoclassical transport studies
  222. Initial physics achievements of large helical device experiments
  223. Escaping fast ion diagnostics in compact helical system heliotron/torsatron
  224. Physics issues in the LHD plasma
  225. Electromagnetic Effects on Rippling Instability and Tokamak Edge Fluctuations
  226. Nonlinear collisional monte carlo simulations for high-temperature SOL plasma
  227. Cooling effect of secondary electrons in high temperature divertor operation
  228. Strong electron heating in CHS ICRF heating experiments
  229. A Monte Carlo model for velocity space effects in low recycling scrape-off layer plasmas
  230. Vector Implementation of Nonlinear Monte Carlo Coulomb Collisions
  231. Large Helical Device (LHD) program
  232. Orbital aspects of reachable beta value in NBI heated heliotron/torsatrons
  233. Possibility of simulation experiments for fast particle physics in the Large Helical Device (LHD)
  234. Finite β Effects on the ICRF and NBI Heating in the Large Helical Device
  235. Efficiencies of the ion cyclotron range of frequency minority heating in the compact helical system and large helical device plasmas
  236. Monte Carlo simulation study of ICRF minority heating in the Large Helical Device
  237. Macroscale Particle Simulation of Externally Driven Magnetic Reconnection
  238. Nonadiabatic behavior of the magnetic moment of a charged particle in a dipole magnetic field
  239. Development of stochastic webs in a wave-driven linear oscillator