Contents

I. National Institute for Fusion Science

II. Research Activities

1. Large Helical Device (LHD) Project

1-1. LHD Experiment

4
(1) Overview of LHD Experiment
6
(2) Mission Research Themes
6
§1. Progress of Superdense Plasma Research
7
§2. Production of High-Beta Plasma in High Magnetic Field
8
§3. High-Ti Experiments in 13th Experimental Campaign on LHD
9
§4. Achievement of High Te Plasmas by Upgraded ECRH System in LHD
10
§5. Improvement in Plasma Parameters of Long-Pulse Discharge Sustained by ECH
11
§6. Detachment Stabilization with n/m=1/1 Resonant Magnetic Perturbation Field Applied to the Stochastic Magnetic Boundary of the Large Helical Device
12
§7. Numerical Analysis on Divertor Detachment Stability in the Stochastic Magnetic Boundary of LHD
13
§8. Stable Detachment of IDB Plasmas with a Large m/n = 1/1 Magnetic Island Cooled by Supersonic Gas Puff
14
§9. Localization of Radiative Structure with a Magnetic Island in LHD Plasmas
15
§10. Characteristics of Self-sustained Detachment of He Plasma
16
§11. VUV Spectroscopy of Detached Plasmas
17
§12. Evaluation of Neutral Atom Density in the Plasma Core Region Based on the Balmer-α Line Profile
18
§13. Gyro-Bohm-Based Extrapolation of Radial Profiles in LHD to a Reactor Condition
19
§14. Exploration of Optimal High-beta Operation Regime by Magnetic Axis Swing
20
§15. Core Density Collapse and High-n Ballooning Modes
21
§16. Tangentially Viewing Fast Camera Measurements in Core Density Collapse in LHD
22
§17. Improvement of Ion Heat Transport in LHD Plasmas
23
§18. Z Dependence of Impurity Hole in High Ion Temperature Plasma on LHD
24
§19. Proof of Real-Time Feedback Optimization Scheme of Polarization of EC-Waves
25
(3) Physics Research Themes
25
§1. Application of a Transit Time Distribution Analysis to the Nonlocal Transport Phenomenon in LHD
26
§2. Successful Sustainment of the Core Electron Temperature Increased by the Nonlocal Transport Phenomenon in LHD
27
§3. Investigation of the Heat Pulse Propagation in Plasmas of Various Temperature Profiles with MECH
28
§4. Behavior of e-ITB Foot Points during ECRH Discharges
29
§5. Comprehensive Investigations on the Influence of Intensive Electron Heating and Magnetic Topology on Anomalous Transport in Fusion Plasmas
30
§6. Design and Install of New Electron Cyclotron Emission Diagnostic Antenna in LHD
31
§7. Development of Microwave Imaging Diagnostic System (MIDS) in LHD
32
§8. Development of Electron Cyclotron Emission Imaging System on LHD
33
§9. Optics System Design for Microwave Imaging Reflectometry in LHD
34
§10. Real Time Signal Output of CO2 Laser Interferometer for the Feedback Control of Pellet Injection in LHD
35
§11. Observation of Intermittent Break-away of Pellet Plasmoid in LHD
36
§12. Stereoscopic Observation of Pellet Ablatant in LHD
37
§13. High-speed Imaging Spectroscopy for Pellet Plasmoid Observation in LHD
38
§14. Study of Effective Ion Charge (Zeff) in LHD
39
§15. Impurity Transport Study with TESPEL in LHD
40
§16. Imaging Spectroscopy of TESPEL Cloud in LHD
41
§17. Observation of EUV Spectra from Highly Charged Tungsten Ions in LHD
42
§18. Characterization of Space-Resolving EUV Spectrograph in LHD
43
§19. Fluctuation Behavior in H Mode of LHD
44
§20. Effect of Low Order Rational Surface on H-Mode Characteristics
45
§21. Comparisons of Edge Pedestal Structure in Tokamak and Helical Systems
46
§22. Statistical Analysis of Non-Diffusive Transport in Edge Plasmas of the LHD Device
47
§23. Influence of Oblique Magnetic Field on Probe Measurement in the LHD Edge and Divertor Plasmas
48
§24. Study on Hydrogen Recycling in LHD
49
§25. Measurement of Ion Flux to First-Wall in LHD
50
§26. Study on the He Exhaust Characteristics during LID Operation in LHD
51
§27. Installation of ASDEX Type Gauge and Measurements of Neutral Pressure in LHD
52
§28. Magnetic Field Line Measurement by Electron Beam in LHD
53
§29. Radial Electric Field Control by Electrode Biasing in LHD
54
§30. Study of Dust Transport in LHD Plasmas
55
§31. Formation Process of Dust Particles in Edge Plasma of a Fusion Device
56
§32. Ejection of Pre-characterized Carbon Dust in LHD
57
§33. Substrate Bias Dependence of Flux of Dusts Generated in Helicon Discharges
58
§34. Erosion/deposition and Hydrogen Retention Study on the Tungsten Divertor Tiles in LHD
59
§35. Estimation of CX Incident Parameter with Material Probes
60
§36. Analysis for Plasma Wall Interactions in LHD and Characterizations of Co-deposited Carbon Film Using Material Probes
61
§37. Study on Impurities Effects and Hydrogen Isotopes Retention Behavior in Impurities-contained Boron Films
62
§38. Measurement of Magnetic Axis Shift in High Beta and High Density LHD Plasmas Using a Soft X-ray CCD Camera
63
§39. Anisotropic Pressure Effects on Plasma Equilibrium in Toroidal Systems
64
§40. Diamagnetic Measurements and Plasma Energy in Toroidal Systems
65
§41. Reconstruction of 3-D Magnetic Field Profile Outside Plasma in Large Helical Device
66
§42. Radial Electric Field Effect on Bootstrap Current in LHD
67
§43. Validation of Bootstrap Current Models in LHD Plasmas
68
§44. Effect of Poloidal Flow on Magnetic Island Dynamics
69
§45. Evidence of Stochastic Region near a Rational Surface in Core Plasmas of LHD
70
§46. Mode Structure of Global MHD Instabilities and its Effect on Plasma Confinement in LHD
71
§47. Growing Behavior of Non-Rotating low-n MHD Instability to Collapse
72
§48. Analysis of MHD Stability Using Data Mining Technique in LHD Plasmas
73
§49. Study of Decay Time during Plasma Current Ramp-down in LHD Plasma
74
§50. Polarity of Alfven Eigenmode and Anomalous Transport of Fast Ions on LHD
75
§51. Bulk Confinement Improvement Induced by Toroidal Alfven Eigenmode (TAE) Burst
76
§52. Evidence of Clump-hole Pair Creation in the Fastion Velocity Space during Bursting AE-activities
77
§53. Observation of Energetic-Ion Losses Fluctuating with the Same Frequency as Toroidicity-Induced Alfvén Eigenmodes in LHD
78
§54. MHD Instabilities Driven by Suprathermal Electrons Produced by Second Harmonic ECRH in LHD
79
§55. Effect of Halo-neutrals on Fast-ion Charge Exchange Spectroscopy (FICXS) Measurement on LHD
80
§56. Measurement of Re-Entering Fast Ion Flux at Outboard Side of LHD Plasmas
81
§57. Estimation of Distribution Function of Fast Ions Induced by NB Based on Orbit Following in Real Coordinates
82
§58. Perpendicular Angular Resolved Multi-Sightline Neutral Particle Analyzer
83
§59. Numerical Calculation for Neutral Beam Deposition on Impurity Mixed Plasmas
84
§60. ECCD Experiments Using 84 GHz and 77 GHz EC-Waves
85
§61. Study on Physical Process of Electron Cyclotron Current Drive
86
§62. ECRH and ECE in High Electron Temperature, Low Density Plasmas of LHD
87
§63. Third Harmonic EC Heating Experiment by 77 GHz High Power Injection
88
§64. Observation of Parametric Decay Waves Excited by O-mode Launching in a Super Dense Core Plasma
89
§65. ECRH by Oblique Launching of the Fundamental X-mode in Relatively High Electron Density Plasma
90
§66. Initial Result of Collective Thomson Scattering System Using 77 GHz Gyrotron for Bulk and Tail Ion Diagnostics in The Large Helical Device
91
§67. Upgrade of the Receiver System for Collective Thomson Scattering of LHD
92
§68. Effective Cross Volume in Collective Thomson Scattering of Strongly Focussed Beam
93
(4) LHD Device Engineering Experiments
94
§1. Analysis of the LHD Superconducting Coils by Correlation of AE Signals and Balance Voltage Signals
95
§2. Long-term Monitoring of Hydraulic Characteristics of LHD Poloidal Coils
96
§3. Hysteresis Losses in LHD Poloidal Coils
97
§4. Estimation of Effective Heat Transfer of the LHD Helical Coils in Comparison with Its Model Coil
98
§5. Influence of Bypass Valve on Helium Mass Flow Rate of Cold Compressors in Sub-cooling System of the LHD Helical Coils
99
§6. Estimation of Induced Current of LHD Using Pulse Power Supplies

1-2. Device Engineering and Cooperative Development Research

100
(1) Physics and Engineering of LHD Torus System
101
§1. Behavior of the Fueling Pellet in the Guiding Tube
102
§2. Characteristics of Hydrogen Supersonic Cluster Beam Generated by a Laval Nozzle
103
§3. Optimization Study of Super-high Speed Neutral Particle Flow Injector for LHD by Using CT Injection Technology
104
§4. Impurity Transport Analysis in the Plasma Periphery for the Closed Helical Divertor Configuration
105
§5. Design of a Vacuum Pumping System for the Closed Helical Divertor in LHD
106
§6. Direct Power Generation by High Heat Flux Divertor Plasmas
107
§7. Evaluation of Tungsten Coated Carbon as LHD Diverter Plate
108
§8. Development of Lithium Vapor Injector for the Boundary Control
109
§9. R&D Test of In-situ Dust Collection Using Silica Aerogel
110
§10. Plasma Confinement Control Development Including Helical Field Application
111
§11. Inference of Eddy Current Distribution by Vibration Measurement of Vacuum Vessel
112
(2) Applied Superconductivity and Cryogenics
113
§1. Basic Study on the Electromagnetic Properties of Oxide Superconductors for Nuclear Fusion Reactor
114
§2. Development of New High Field and High Current Density Superconductors for Fusion Devises
115
§3. Establishment of Partial Discharge Protection Technology for Reliability Improvement of Electrical Insulation of LHD
116
§4. Stability Analysis of a Curved Saddle Shaped Superconducting Coil with Conduction Cooling
117
§5. Study on Application of Next Generation Power Devices for the Fusion System
118
§6. Investigation of Advanced Superconducting Cable-in-Conduit Conductor
119
§7. Superconducting Current Leads Prepared by the YBCO Tapes
120
§8. Study on Improvement of the Mechanical Properties of HTS Bulks by Reducing Pores
121
§9. Heat Transfer Characteristics of Liquid Hydrogen for Superconducting Devices
122
§10. Regenerator Performance Investigations for the Pulse Tube Current Lead
123
§11. Critical Currents of Aluminum-Alloy Jacketed Nb3Sn Superconductor Fabricated by React-and-Jacket Process
124
§12. Study of the Current Distribution in the Joint of the Prototype NbTi Cable-in-conduit Conductor for JT-60 EF Coil
125
§13. Conceptual Design of 10 kA Class MgB2 Cable for Hybrid Energy Transfer Line
126
§14. Experiments of Bending Strain on Reduced-Scale YBCO Conductors for Fusion Reactor Magnets
127
§15. Novel Approach to Form a Hydrogen Ice Layer for the FIREX Cryogenic Target
128
§16. Development of Highly Effective Cooling Technology for a Superconducting Magnet Using Cryogenic OHP
129
(3) RF Heating Technologies
130
§1. Operational Status of the 77 GHz Gyrotrons in the LHD
131
§2. Improvement of Electric Efficiency by Flexible Control of Anode Voltage for a 77 GHz Gyrotron
132
§3. Development of Vacuum Corrugated Transmission Line Components
133
§4. Newly Designed Controllable Wavenumber Antenna (HAS)
134
§5. Antenna Loading Resistance of ICRF Loop Antenna in LHD
135
§6. Test of Phase Control and Impedance Matching of Dummy ICRF Antenna
136
§7. Collaboration with ITER in Testing RF Power Source for ICRF Heating and Current-Drive
137
§8. Study of Periodically Corrugated Cavity for Oversized Slow-Wave Oscillator
138
§9. Research Study for New Evolution of Millimeter- and Submillimeter-Wave Applications
139
§10. Design and Analysis of RF Heating and Current Drive Antenna System
140
(4) High Energy Beam Technology
141
§1. Injection Performance of Neutral Beam Injection System in the 13th Campaign
142
§2. High Power and Stable Injection
143
§3. Absolute Negative Ion Density Measured with Cavity Ringdown Method in Negative-Hydrogen-Ion-Source Plasma
144
§4. Improvement of H– Extraction by Adjustment of Plasma Potential in a H– Source
145
§5. Physics Study of Strongly-focusing Beam Emittance by the 3A He+ Ion Source
146
§6. Development of High-Density Helicon Plasma Source with Large Diameter and Short Axial Length for Negative Ion NBI
147
§7. Extraction of Multiply Charged Ions from a Microwave Ion Source for a Beam-probe-system
148
(5) Diagnostics Systems
150
§1. Improvements of Data Quality of the LHD Thomson Scattering System in High-Temperature Region
151
§2. On the Influence from High-Energy Electrons on Electron Temperatures Measurements by the LHD Thomson Scattering System
152
§3. In-situ Transmittance Measurement of the LHD Thomson Scattering View Window
153
§4. Applications of Phase Conjugate Mirror to Thomson Scattering Diagnostics
154
§5. Developments of Multi-channel Microwave Reflectometer System
155
§6. Development of Terahertz Wave Emission Using Fiber Laser Excitation for Large Plasma Experimental Device
156
§7. Optimization Study of Density Reconstruction Method by Microwave Reflectometry in Large Plasma Devices
157
§8. Simulation Study for Technology Development to Make Reflectometer Highly Accurate
158
§9. Real Time Signal Output of CO2 Laser Interferometer for the Feedback Control of Pellet Injection in LHD
159
§10. Extension of the Observable Region of a Poloidal Beam Emission Spectroscopy System for LHD Plasmas (NIFS09KLHB301)
160
§11. Application of Photo-absorption to X-ray Spectroscopy in LHD
161
§12. Fast-framing VUV Camera System
162
§13. Development of Spectrum-calculation Code for Collective Thomson Scattering
163
§14. Design of Transmission System for 400 GHz Collective Thomson Scattering on LHD
164
§15. Development and Irradiation of Optical Components for a Lost Ion Probe
165
§16. Real Time Control of Probe Beam Trajectory in HIBP System
166
§17. Development of Microwave Imaging Diagnostic System (MIDS) in LHD
167
§18. Development of Electron Cyclotron Emission Imaging System on LHD
168
§19. Optics System Design for Microwave Imaging Reflectometry in LHD
169
§20. Development of Microwave Imaging Technology
170
§21. Electron Cyclotron Emission Measurement Using Well-Focused Beam Antenna
171
§22. Development of Two Color THz Laser Diagnostics
172
§23. Evaluations of Measurement Errors Due to Mechanical Vibrations and Temperature Variations of a PEM Polarimeter
173
§24. Bench Testing of a Dispersion Interferometer Using a Ratio of Modulation Amplitudes
174
§25. Stabilization of 57-μm CH3OD Laser Pumped by 9R(8)CO2 Laser
175
§26. R&D of Retro-Reflector for LHD with Anti-Reflection Reduction Mechanism
176
§27. Installation of ASDEX Type Gauge and Measurements of Neutral Pressure in LHD
177
§28. Study on Optimization of Gas Species and Thickness to Generate Au+ Ion Beam with Tandem Accelerator for LHD-HIBP System
178
§29. Image Reconstruction Methods for Bolometer Tomography and a New Study of Neural Network
179
§30. Improved Calibration Technique for the IRVB
180
§31. Analyses of Generation and Behavior of Fine Particles by Laser Light Scattering
181
§32. “Cloud” Distributed Storage toward Unified Data Access Platform for Fusion Researches
182
§33. Migraion of the LHD Monitoring System
183
§34. Development of User Friendly Interface for Simulation Code
184
§35. Study on Quick Similarity Search in Massive-size Waveform Databases
185
§36. Development of Two Dimensional Thomson Scattering Measurement System
186
§37. Neutron Spectrometer for Deuterium Plasma Diagnostics
187
§38. A Novel Scheme for Low-Pressure Operation for Performance Improvement of Discharge-Driven D-D Fusion Device as a Calibrator Neutron Source
188
§39. Degradation of Optical Reflectivity of In-vessel Mirror Materials by Helium Bombardment
189
§40. Accuracy Enhancement of Simple System of Millimeter-wave Interferometer for Low Density Plasmas
190
§41. Trial of Fast Neutral Particles and Neutron Measurement by a Synthetic Diamond Radiation Detector

1-3. Study of Deuterium Experiment Program in LHD

192
§1. Study on Technical Problems on Measurements of Total Neutron Yields during D-D Plasma Experiments with LHD
193
§2. Construction of a Deuterium Neutral Transport Code for Large Helical Device Boundary Plasmas
194
§3. Degradation of Optical Reflectivity of In-vessel Mirror Materials by Helium Bombardment

1-4. Theoretical Study

196
§1. Multi-Scale MHD Simulation of LHD Plasma Including Continuous Heating and Background Pressure Diffusion
197
§2. Nonlinear MHD Simulation of Collapse Event in LHD
198
§3. MHD Equilibrium with Chaotic Magnetic Field
199
§4. Simulation Study of LHD Magnetic Field Optimization by Control of Vertical Field Coil Currents
200
§5. Diverter Field Lines in High Beta LHD Plasma
201
§6. Interaction Between Rotating Magnetic Islands with Error Fields
202
§7. Transport Phenomena in the Ergodic Region Having Magnetic Islands
203
§8. Development of Neoclassical Transport Code and its Applications
204
§9. A Convergence Study for the Laguerre Expansion in the Neoclassical Transport
205
§10. Theoretical Study towards the Extension of High Ion Temperature Regime in LHD
206
§11. Turbulence Diagnostic Simulator for Analyzing Structural Formation in Magnetically Confined Plasmas
207
§12. Simulation Study of Zonal Flow Generation with a Classic 2D Fluid Model and Comparison with Linear Predictions
208
§13. Comparison between Theory and Simulation of Residual Zonal Flows in Helical Systems with Radial Electric Fields
209
§14. Study of the Effect of the Ripple Transport on the Confinement via Zonal Flows in Helical Plasmas
210
§15. Linearized Model Collision Operators for Multiple Ion Species Plasmas and Gyrokinetic Entropy Balance Equations
211
§16. Kinetic Description of Nonlinear Plasma Turbulence
212
§17. Summarizing IAEA-Technical Meeting on Theory of Plasma Instabilities

1-5. LHD Project Research Collaboration

214
§1. Production Mechanism of Impurity Hydrocarbons and their Transportation in LHD Plasma
215
§2. Study of Wave Physics in High Beta Plasmas
216
§3. Development of a Real Time Control System for MHD Instabilities
217
§4. Radial Correlation Structure of Fluctuation in Electron ITB Plasmas of LHD
218
§5. Development of Magnetic Island Detector by Magnetics Measurement
219
§6. Characteristics of rf-based Hydrogen Negative Ion Source with Cs Additive
220
§7. Role of Plasma Fluctuation for EBW Current Ramp-up at the Electron Cyclotron Harmonics
221
§8. Control of Rotational Transform by Electron Cyclotron Current Drive in Helical Systems
222
§9. Study of the Physics of IDB Plasma and the Density Limit in Helical Devices
223
§10. Development of Simultaneous Measurement System of High-resolution Spectra of Hydrogen Emissions for the Study of LHD Edge Plasma
224
§11. Study of Optimum Conditions and Atomic and Molecular Reactions on LHD Closed Divertor
225
§12. Development of Doppler-free Spectroscopy for Plasma Diagnostics
226
§13. Spectroscopy of Highly Charged Tungsten Ions Using Electron Beam Ion Traps
227
§14. Formation of Minimum-B Torus by ECH
228
§15. Development of Electron Bernstein Emission Diagnostics for Electron Temperature Measurement in High Beta Plasmas
229
§16. Evaluation of Advanced Tungsten Materials as Plasma Facing Materials
230
§17. Dynamic Behavior of Tritium Release from Stainless Steel for LHD
231
§18. Removal of Metal Impurities from Flibe by Electrolytic Separation
232
§19. Change in Properties of Superconducting Magnet Materials by Neutron Irradiation
233
§20. Feasibility Study of LiPb-He-SiC High Temperature Blanket Concept
234
§21. Development of Advanced Superconducting Conductors for Fusion Devices
235
§22. Basic Studies for Reduction of Tritium Retention, and for Recovering and Recycling of H, D and T under LHD-DD Operations
236
§23. Hydrogen Isotope Retention Behavior on the Surface of Metal-carbon Mixture Layer under Carbon, Hydrogen Isotopes and Helium Simultaneous Irradiation Circumstance
237
§24. Study on Behavior of Environmental Tritium and Assessment of Influence on Environment
238
§25. Assessment Study on Biological Effects of Low-dose Tritium Radiation
239
§26. Observation of Hydrogen Permeation in LHD and Evaluation of Wall Leakage for DD Experiments
240
§27. Wall Conditionings for DD Discharge Phase in LHD by Inert Gas Glow Discharges
241
§28. Development of High Heat Plasma Generator with Ion Beam Analysis and In-situ Measurement of Hydrogen Isotope Retention
242
§29. Development of Neutron Diagnostic Systems for LHD Deuterium Experiment
243
§30. Heat Removal Demo-research for Flibe Blanket Development
244
§31. R&D of W-coat Processing on Low Activation Structural Materials

2. Collaborations on Fusion Engineering

245
(1) Fusion Engineering Studies
246
§1. Overall Examination of Tritium Transfer and Thermofluid Control in Fusion System
247
§2. Characterization of Erbium Oxide Coatings by Cathodoluminescence Measurements
248
§3. Effect of Neutron Irradiation on Tritium Behaviors in Fusion Materials
249
§4. Effect of Constituents on Thermal and Electrical Conductivity of SiC/SiC Composites
250
§5. Corrosion Tests of RAFM Steel JLF-1 in Lead-lithium (Pb-17Li) for 3000 Hours
251
§6. Radiation Induced Behavior of Hydrogen Isotopes Retained in Blanket Oxide Ceramics Materials for Fusion Reactors
252
§7. Tritium Production Rate Measurement in Li/V-alloy Assembly with 14 MeV Neutron Irradiation
253
§8. Basic Design of Liquid Blanket with Three-Surface and Multi-Layer Coating
254
§9. Critical Heat Fluxes of Subcooled Water Flow Boiling in a Short Swirl Tube
255
§10. Development of Reliable Miniature-size Fatigue Test Technique for Reduced Activation Ferritic Steels
256
§11. Trapping Behavior of Deuterium in F82H Ferritic/martensitic Steel
257
§12. A Study of Helium Concentration Analysis in Material by Laser Induced Plasma Breakdown Spectrometry
258
§13. The Microstructure of W Sprayed Low Activation Structural Materials
259
§14. High Temperature Creep Properties of Ultra-Fine Grained, Particle Dispersed V-V-W-TiC Alloys
260
§15. Measurement of Mechanical Strength of the First Wall Coating by Means of Laser-shock Method
261
§16. Multiscale Modeling of Radiation Damage Processes in Fusion Materials
262
§17. Thermal Loads Effects on Erosion Processes of Helium Irradiated High-melting PFMs
263
§18. Elucidation of Mass Transport on Tungsten Plasma Facing Material by Surface Analyses
264
§19. Formation Mechanism of Material Mixing Layers on First Walls and their Effect on Hydrogen Isotope Retention
265
§20. Development of the R Curve Fracture Toughness Test of Round Bar with Circumferential Notch by Using Hardening Curves of Each Virtual Crack Length
266
§21. Flux Pinning Properties of Defects Nucleated by Neutron Irradiation in A15 Type Superconductor
267
§22. Radiation Effects of Organic Electric Insulation Materials
268
§23. Quench Characteristics and Structural Materials in Superconducting Coil
269
§24. Fracture and Fatigue Crack Growth Behavior of Austenitic Stainless Steel in Cryogenic High Magnetic Field Environments
270
§25. Development of V3Ga Superconducting Wires by Using V-Ga and Ti-Ga Compound as High Ga Source Material
271
§26. Investigation of the Cross-sectional Configuration of Ag Sheath Material for High Strength Bi-2212 Superconducting Wire
272
§27. Evaluation for Superconducting Property of Extruded MgB2/Al Composite Material Wires Fabricated via 3 Dimensional Penetration Casting Method
273
(2) Helical Reactor Design
274
§1. Design Integration towards Size-Optimization of LHD-type Fusion Energy Reactor FFHR
275
§2. Ignition Study on the Compact FFHR Helical Reactor
276
§3. Design Window Analysis and Core Plasma Design of a Heliotron Reactor
277
§4. A Conceptual Design of Helical Coils for Heliotron DEMO Plant
278
§5. Design Progress on the High-Temperature Superconducting Coil Option for FFHR
279
§6. Heat Flux Reduction by Helical Divertor Coils in the Heliotron Fusion Energy Reactor
280
§7. Rigidity Evaluation Method of LHD-type Superconducting Helical Coil
281
§8. FFHR Magnetic Field Configuration by Low Helical Pitch Parameter, Flat-type Helical Coils
282
§9. Neutronics Investigation for Reduction of Radiation Shield Thickness
283
§10. Investigation of Feasibility of Remountable Superconducting Magnet for Helical Reactor
284
§11. Study on Standardization for Fusion Reactor Designs and Construction of an Unified System Design Code
285
§12. Study on Heat Transfer Mechanism under Magnetic Field in a Liquid Blanket
286
§13. Experimental Study of Counter-current Extraction Tower for Tritium Recovery in Flibe Blanket of Fusion Reactor
287
§14. Economic and Environmental Assessment of Helical and Tokamak Reactors
288
§15. Development of Hybrid-porous Evaporator for FFHR Divertor Cooling
289
§16. Development of Thermal Analysis Code for Peltier Current Lead
290
(3) Fusion Reactor System and Safety
291
§1. Studies on Permeation Behavior of Tritium in Cooling Piping Material
292
§2. Study on Formation of Metal-carbon Mixed Deposition Layer and Hydrogen Isotope Behavior
293
§3. Experimental Study on Optimization of Pressure Swing Adsorption Process for Hydrogen Isotope Separation
294
§4. Water Detritiation by Water-hydrogen Chemical Exchange
295
§5. Development of More Sophisticated Tritium Recovery System of Fusion Power Plant
296
§6. Development of Hydrogen Isotope Oxidation Process by Atmospheric Pressure Plasma
297
§7. Separation Method for Measurement of Radiation Dose from Tritium in High Gamma-ray Radiation Fields by Using an Imaging Plate
298
§8. Hydrogen Separation and Sensing Using Proton-Conducting Oxides

3. CHS Experiments

300
§1. Improvement of the Data Analysis Technique for Density Fluctuation Measurement by the Laser Imaging Method
301
§2. Study on Momentum Transport via Fluctuations during L-H Transision on CHS
302
§3. Review of Nonneutral Plasmas Confined on Magnetic Surfaces of CHS
303
§4. Analysis of CHS Magnetic Configurations Based on the Fourier Modes of Boundary Shape
304
§5. The Resonant Viscosity Effect in N-ITB Plasmas
305
§6. CHS Data Acquisition and Analysis System

4. Basic Research and Development

307
§1. High Density Plasma Experiment HYPER-I
308
§2. Studies on Ion Acceleration and Stream Line Detachment in the HYPER-I Device
309
§3. Measurement of Parallel Ion Flow Velocity in an Argon Plasma Using Laser-Induced Fluorescence
310
§4. Observation of Asymmetric Velocity Distribution Functions of Neutral Particles in a Plasma
311
§5. Spontaneous Excitation of Pulsed Magnetic Fluctuations in HYPER-I
312
§6. 2-D Optical Emission Spectroscopy in the HYPER-I Device
313
§7. Performance of Molecular Helium Beam Collimated with Laval Nozzle
314
§8. Neutral Particles at the Boundary of a Microwave Discharge Plasma
315
§9. Potential Structure Deformation around Biased Obstacles
316
§10. Low-energy Particle Reflection from Highly-oriented Carbon Nano-tubes
317
§11. Study on Association and Recombination in High-Heat Flux Plasmas with Polyatomic Molecular Gases Using Two-Temperature Chemically Non-Equilibrium Modeling
318
§12. Study on High Beta Structural Formation in Cylindrical Magnetized Plasma
319
§13. Spatially Resolved Spectroscopic Study of Arcjet Helium Plasma Expanding through a Rectangular Converging and Diverging Nozzle

5. Theoretical and Simulation Researches

321
§1. Simulation of Global MHD Phenomena by the Gyrokinetic PIC Code
322
§2. Simulation Study of Multi-scale Plasma Turbulent Transport and Structure Formation
323
§3. Vortex Structure and Heat Transport in Toroidal-ETG Driven Turbulence
324
§4. Effects of Time-varying E×B Flow on Slab Ion-temperature-gradient Turbulence
325
§5. Integrated Modeling Study of Heat and Particle Control
326
§6. Electromagnetic Structure of Large-Amplitude MHD Waves and Particle Acceleration
327
§7. Effects of Electron Temperature Gradient on Low Frequency Plasma Instabilities
328
§8. Heating for Super Dense Plasma by Fast Electron Based on Electron Magneto-hydrodynamics Model
329
§9. Relativistic Laser Interaction with Thin Foils
330
§10. Theoretical Study for Clarification of Self-organization in a Low-aspect-ratio RFP
331
§11. Review of a Required Condition for D-3He Fusion in a Field-reversed Configuration Plasma
332
§12. Zonal Flow Formation in Geodynamo Simulations
333
§13. Development of Next-Generation High-Resolution Scheme for Magnetohydrodynamics
334
§14. Clarification of Magnetohydrodynamics Phenomenon of the Sun and Astronomical Objects
335
§15. Three-dimensional Simulations of Explosive Phenomena on the Solar Surface
336
§16. Magnetic Reconnection and Global Structure of Substorm in Magnetosphere
337
§17. Physical Space Energy Cascade in Developed Turbulence
338
§18. Development of Magnetohydrodynamic and Hydrodynamic Turbulent Modeling
339
§19. Study of Field Singularities and Inter-scale Energy Transfer in NS and MHD Turbulence by Using Massive Parallel Direct Numerical Simulation
340
§20. Statistics of Passive Scalar Convected by Turbulence
341
§21. Localness of Mode Interactions in Fully Developed, Freely Decaying, Isotropic, Homegeneous MHD and Hall-MHD Turbulences
342
§22. Study on MHD Wall Shear Turbulent Flow with Buoyancy Effect
343
§23. Simulation of Turbulence Generation Using Single Fluids 3-D MHD Code
344
§24. Spatiotemporal Chaos, Stochasticity and Transport in Toroidal Magnetic Configurations
345
§25. Graphene – Hydrogen Interaction in the Case of Oblique Injection
346
§26. Molecular Dynamics Simulation of Micelle Formation in Amphiphilic Solution: Effect of Molecular Rigidity
347
§27. Study on Feasibility of Developing a Numerical Program for Two-fluid Plasmas Produced from Pure Ion and Electron (Nonneutral) Plasmas in a Linear Device
348
§28. Interactive Visualization of Time-developing Data in CAVE Systems
349
§29. Thermoelectric Effects in a Pseudo-one-dimensional Electron Gas with a Spin-orbit Interaction
350
§30. Analysis on Time Evolution of Shielding Current Density in High-Temperature Superconductor
351
§31. Multi-scale Simulation Study of Solar and Heliospheric Plasmas

6. Personal Interchange Joint Research Program

355
§1. Excitation Experiments of Electron Bernstein Waves on the Internal Coil Torus Device
356
§2. Plasma Simulation Experiments Using Versatile Highly Charged Ion Sources
357
§3. Plasma Heating and Flow Control in a Fast-flowing Plasma
358
§4. Study of Plasma Responses to Magnetic Perturbations in Two and Three Dimensional Tori
359
§5. Measurement of Electron Bernstein Wave Emission from Ultra High Beta Plasmas
360
§6. Current Drive Experiments on the TST-2 Spherical Tokamak
361
§7. Design Fabrication of Tritium Gas Infusion System
362
§8. Development of High Power Sub-terahertz Pulse Gyrotron
363
§9. Development of External Control Knob for Improved Confinement Mode in TU-Heliac
364
§10. Development of the Feedback Control System for Modulated Induction Thermal Plasma (FBC-MITP)
365
§11. Development of Cesium-Free Deuterium/Hydrogen Negative-Ion Source with Metal Catalectic-Ionization Method
366
§12. Analysis of Superconducting Properties of MgB2 Superconducting Wires under Liquid H2 Temperature

7. Collaboration Using SINET3

368
§1. Remote Participation Environment on QUEST
369
§2. Data Transfer from GAMMA 10 to LHD Virtual Laboratory via SNET
370
§3. Research on Remote Collaboration Based on Large Scale Simulation
371
§4. Development of Two Dimensional Thomson Scattering Measurement System
372
§5. High-speed Data Transfer Experiments with Long-fat Network

8. Fusion Science Archives

375
§1. An Archival Finding Aid Based on the Encoded Archival Description
376
§2. A PC Database on Early Design, Construction and Initial operation of LHD
377
§3. Effects of Monbusho’s Grant-in-Aid in Promoting Nuclear Fusion Research in Japan
378
§4. Archival Studies on Devices of Fusion Science
379
§5. Archival Study on Development of Heliotron Devices
380
§6. Archival Studies on History of IAEA Fusion Energy Conference
381
§7. Studies on History of Fusion Energy Conference and International Exchange of Nuclear Fusion Research in Japan
382
§8. Present Status of an Institutional Repository at NIFS – “NIFS-repository”

9. Department of Simulation Science

385
§1. Influences of Short-wave Truncation in MHD/Hall-MHD Simulations
386
§2. MHD Simulation of Pellet Plasmoid in LHD
387
§3. Analytic High-Beta Tokamak Equilibria with Poloidal-Sonic Flow and Pressure Anisotropy
388
§4. Effects of Finite Larmor Radius and Pressure Anisotropy on Equilibria with Flow in Reduced Two-Fluid Models
389
§5. Thermal Transport Due to Turbulence Including Magnetic Fluctuation in Externally Heated Plasma
390
§6. Ion-temperature Gradient Modes Affected by Helical Magnetic Field of Magnetic Islands
391
§7. Turbulence Driven Magnetic Reconnection Causing Long-wavelength Magnetic Islands
392
§8. Propagation of Magnetic Island Due to Self-induced Zonal Flow
393
§9. MHD Infrastructure Code MIPS
394
§10. Simulation Study of Nonlinear MHD Effects on Alfvén Eigenmode Evolution
395
§11. Development of Gyrokinetic Vlasov Code Including Full Geometry of Non-axisymmetric Field
396
§12. Mach Number and Wavenumber Dependences of Zonal Flow Response in LHD Configurations
397
§13. Charging of Dust Particle in SOL/Divertor Plasma
398
§14. Acceleration of a Dust Particle in SOL/Divertor Plasma of HL-2A Tokamak
399
§15. Redeposition of a Dust Particle in SOL/Divertor Plasma of HL-2A Tokamak
400
§16. Dynamics of Plasma Particles to Spherical Probe in Weak Magnetic Field
401
§17. Electron Absorption Cross-sections to Spherical Probe in Weak Magnetic Field
402
§18. 2D Modeling of LHD Divertor for Monte Carlo Code of Impurity Transport
403
§19. Analysis of Carbon Deposition on the First Wall of LHD by Monte Carlo Simulation
404
§20. Development of Numerical Scheme for Analysis of the MHD Stability Beta Limit in LHD by TASK3D
405
§21. Collisional Effects on Fast Electron Generation and Transport in Fast Ignition
406
§22. On Relativistic Stimulated Raman Scattering – A Complex Paradigm Revisited
407
§23. Multi-Hierarchy Simulation of Collisionless Driven Reconnection
408
§24. Anomalous Resistivity Due to Plasma Instabilities in an Ion-scale Current Sheet
409
§25. Three Dimensional Particle-in-Cell Simulation of Blob Dynamics
410
§26. Reduced MHD Simulation of Magnetosphere-Ionosphere Feedback Interactions
411
§27. Molecular Dynamics Simulation of Hydrogen Injection on Diamond Surfaces
412
§28. The Mechanism of CH4 Generation in Chemical Sputtering on Graphitic Divertor Plates
413
§29. Activity of Virtual Reality Research
414
§30. Virtual Reality Analysis of Particle Trajectories in Magnetic Reconnection
415
§31. Activities of Rokkasho Research Center
416
§32. Plasma Simulator
417
§33. LHD Numerical Analysis System
418
Activities of Rokkasho Research Center
419
Network Management Office

10. Coordinated Research Center

422
§1. Analysis of Fe XXI Spectral Lines Measured in LHD Plasmas
423
§2. A Compact Electron Beam Ion Traps for Spectroscopic Studied of Highly Charged Tungsten Ions
424
§3. First-principle Calculation of Di-vacancy Formation in Tungsten
425
§4. Resonant Excitation/Ionization Processes in Electron-Ion Collisions
426
§5. Multi-electron Capture Processes in Highly Charged Ion – Alkali-earth Metal Atom Collisions
427
§6. Cross Sections of Charge Transfer by Slow Helium Ions in Collisions with Water Molecules
428
§7. Energy Levels, Radiative Rates, and Electron Impact Excitation Rates for Transitions in He-like C V
429
§8. Transitions between Fine-structure Levels of FeXX Ion in Collisions with Protons in High-temperature Plasmas
430
§9. The Study on Vibrationally Excited Hydrogen Molecules with Be, C, W-walls by Low Energy Electron Impacts
431
§10. Atomic and Molecular Database of Hydrogen-isotopes and Hydro-Carbons
432
§11. Study of Methods of Scientific and Industrial Application of Atomic and Molecular Data
433
§12. Automatic Enumeration of Scientific Text
434
§13. New Trends to Access Atomic and Molecular Data
435
§14. Materials Research and Development by the First-Principle DFT Molecular Dynamics Simulations
436
§15. Numerical Simulation of the Microwave Heating of Copper Powders in a Single Mode Cavity
437
§16. Mechanism of Processing by Irradiation of Monochromatic Coherent Electromagnetic Waves
438
§17. Improvement Devices to Measure the Partial Pressure of Out-gases during Microwave or Conventional Heating
439
§18. Reduction Behavior of Titanium Oxides during Microwave Heating Using High Vacuum Devices
440
§19. Studies on Microwave/Millimeter-wave Absorption Measurement of Powder Materials
441
§20. Study of the Microwave Sintering Applied to the Metal Powder Compacting Body and Investigation into the Penetration Mechanism of the Electromagnetic Field in It
442
§21. Study for Practical Trails of Sintering Ceramics by Microwave Kiln
443
§22. Chlorofluorocarbon Treatment Process by Micro Wave Pyrolysis and its Fixation Utilizing Concrete Waste
444
§23. Study of Microwave Effect on the Synthesis of Nanoparticles
445
§24. The Study of Microwave Irradiation on Functional Ceramic Particle Formation
446
§25. Activities on ITER Collaboration
447
§26. The Results of the Electron Spectrometer on FF01 Experimental Series of the FIREX-I Project
448
§27. Data Analysis Study for Microwave Tomography System Implementation

11. Fusion Engineering Research Center

450
§1. Development of Anti-corrosion Coating on Low Activation Materials against Fluoridation and Oxidation in Flibe Blanket Environment
451
§2. Study on Hydrogen Permeation Barrier Performance of Er2O3 MOD Coating
452
§3. Compatibility of Dip-coated Er2O3 Coating with Liquid Li at Static Condition
453
§4. Development of Er2O3 Insulator Coating through a MOCVD Process
454
§5. Compatibility Model for Reduced Activation Ferritic Martensitic Steel in Flowing Liquid Breeders
455
§6. Corrosion Behavior of SUS410-SUS410, SUS316-SUS316 and SUS410-SUS316 TIG Welded Joints in Li
456
§7. Corrosion Characteristic of AlN, Y2O3, Er2O3 and Al2O3 in Flinak for Molten Salt Blanket System
457
§8. Study on Online-measurement of Hydrogen (Isotope) Transport in Molten Flinak by Solid Electrolyte Sensor
458
§9. The Effect of Final Heat Treatment Temperature on Radiation Response of V-4Cr-4Ti
459
§10. Creep Properties of V-4Cr-4Ti Strengthened by Cold Working and Aging
460
§11. Influence of Stress during Thermal Ageing on Mechanical Properties of JLF-1 and CLAM Steels
461
§12. Development of the V3Ga Multifilamentary PIT Wires Using High Ga Content Fine Compounds
462
§13. Development of New Electric Insulation Materials for Fusion Magnet

12. Safety and Environmental Research Center

465
§1. Measurement of Natural Background Radiation in LHD Building
466
§2. Measurements Survey of Radioisotope Concentrations in Air in Radiation Workplaces
467
§3. A Level Transition of Environmental Atmospheric Tritiated Gas Activities in 2004 – 2009 at Toki Site
468
§4. Sensitivity of Plastic Scintillator to Measure the Tritium in Water for Gaseous Tritium Monitoring
469
§5. Memory Effect of Tritium Compounds in Ion Chamber (3)
470
§6. Electrochemical Hydrogen Pump Using a High Temperature Type Proton Conductor under Reduced Pressure
471
§7. Comparison of the Oxidation Characteristics of Metal Honeycomb Catalyst with Difference Sizes
472
§8. Application of Membrane Dehumidifier for Gaseous Tritium Recovery in LHD
473
§9. Development of μTAS System for Remove of Tritium and Isotope Separation
474
§10. Design of an Integrating Type Neutron Dose Monitor
475
§11. Method of H*(10) Evaluation Using a Developed Spherical Type Neutron Dose
476
§12. Radiation Measurements Using CR-39 in Wide Energy Range Neutron Fields
477
§13. Measurement of Static and Time Varying Electromagnetic Fields Considering Occupational Safety Management
478
§14. Measurement and Wideband Exposure Evaluation of Environmental Electromagnetic Fields
479
§15. Radiation Sources Fabricated from Kelp Powder for Educational Purposes
480
§16. Radiation Shielding Analysis for LHD Deuterium Plasma Experiment
481
§17. Conceptual Design of On-Site Monitoring Cart Available for Fusion Facility
482
§18. Effect of Electromagnetic Field in Fusion Facility on Electronic Personal Dosimeter

13. Bidirectional Collaborative Research Program

484
§1. Studies of Plasma Potential Formation and Potential Confinement, and Effects of Radial Electric Field Structure on Transport
485
§2. Full Bias Experiments of Bias-type TWDEC on GAMMA 10
486
§3. Compact Toroidal Magnetic Confinement Concepts in Mirror Magnetic Field
487
§4. Development of High Efficiency and High Power ECH System for GAMMA 10
488
§5. Analysis of Edge Plasma Turbulence Based on Two-dimensional Visible Image Measurement in Open Magnetic Field Configuration Plasmas
489
§6. Installation of Thomson Scattering System in GAMMA 10
490
§7. Study on Electron Distribution Function and Spatial Structure of Weakly Relativistic Electrons in Microwave and Mirror Devices
491
§8. A Study of Divertor Simulation Using Open Magnetic Field Configuration
492
§9. Comparison of Neutral Hydrogen Spectra of the GAMMA10 and LHD Periphery Plasmas
493
§10. Plasma Rotation at a Peripheral Region of the Central Cell in GAMMA10
494
§11. Correlation between ICRF Waves and Behavior of High Energy Ions on GAMMA 10
495
§12. Analysis of Recycling and Neutral Particle Behavior in Open Magnetic Field Configuration
496
§13. Three-Dimensional Analysis of the Propagation of ICRF Waves in the GAMMA10 Anchor Cell
497
§14. Study of the Electrostatic Potential Effect to the GAMMA 10 Low Frequency Fluctuation
498
§15. Development of Digital-based Millimeter-wave Interferometer and its Application to High Spatial Resolution Measurement of Electron Density Distribution
499
§16. Confinement Optimization Study of an Advanced Helical System for a Compact, High-beta, Steady-state Reactor
500
§17. ICRF Heating Experiment in Heliotron J
501
§18. A study of Peripheral Plasma in Heliotron J by a Fast Camera
502
§19. Development of a Moment Equation Solver for Multiple Ion Species Plasmas
503
§20. Radial Electric Field Control by Electrode Biasing in Heliotron J
504
§21. Temporal Evolution of C IV Line Emission Profile after the CH4 SMBI in Heliotron J ECH Plasmas
505
§22. Anomalous Transport of Fast Ions Observed by Directional Probe on Heliotron J
506
§23. Optimization of Magnetic Configuration Using Additional Trim Coils
507
§24. Experiments on Magnetic Surface Confinement of Nonneutral Plasmas on Heliotron J
508
§25. Heat Flux Measurement in Heliotron J with the Hybrid Directional Probe
509
§26. Neutral Particle Transport Analysis Using Mulch-chord Hα/Dα Detector Array System in Heliotron J
510
§27. Theoretical Study Based on 3D Magnetic Field Structure towards Confinement Improvement in Heliotron J
511
§28. Study of Pellet Injection for Efficient Core Plasma Fuelling in Heliotron J
512
§29. Effects of Electron Bernstein Wave Heating at Very Low Magnetic Filed on Plasma Confinement in Heliotron J
513
§30. Improvement of Local Profile and Long-distance Correlation Diagnostic for the Turbulence Structure Analysis and its Application to the HJ-LHD Comparative Studies
514
§31. Fast Ignition of Liquid Deuterium Targets
515
§32. Investigation of Cascade-typed Falling Liquid Film Flow along First Wall of Laser-Fusion Reactor
516
§33. Particle Swarm Optimization for Reconstruction of Penumbral Images
517
§34. Design Study on Foam-cryogenic Targets by Integrated Simulations
518
§35. Research on Ablation Process of Liquid Wall of Laser Fusion Reactor by Back-side Irradiation with Laser
519
§36. Laboratory Experiments on Aerosol Formation by Colliding Ablation Plumes (LEAF-CAP)
520
§37. Theoretical Studies on Collisions between Ablated Plumes in Laser Fusion Liquid Wall Chamber
521
§38. Study on Design and Experiment of Tritium Recovery System from Blanket of Falling Liquid Layer of Laser Fusion Reactor
522
§39. Traial on a ToF Measurement of Gamma-rays and Neutrons by a Diamond Radiation Detector with Fast Time Responce
523
§40. Design of Final Optics on Dry-wall Fast-ignition Laser Fusion Reactor FALCON-D
524
§41. Development of a Full-Scale Model of a Target Injection System for Laser Fusion
525
§42. Study of Behaviors and Characteristics on Laser Ablated Plumes
526
§43. Studies on Steady State Spherical Tokamak by the “Plasma Boundary Dynamics Experimental Device (QUEST)” in Kyushu University
527
§44. Behavior of Neutral Particle and Recycling in Spherical Torus Plasmas
528
§45. Development of a New NBI System by Washer Gun-type Ion Beam Source
529
§46. QUEST Plasma Measurement Using a Fast Video Camera
530
§47. Particle Balance Modeling in CPD and QUEST
531
§48. Experiments of Current Start-up by RF on QUEST
532
§49. Progress of Fusion Virtual Laboratory in Japan
533
§50. Study of Suprathermal Electron Behavior in Non-inductive Current Ramp Up Phase of QUEST
534
§51. Deep Fuelling Experiments on QUEST Using CT Injection
535
§52. Development of a Bright Polychromator for Thomson Scattering Measurements
536
§53. Probe Measurement of Boundary Plasma in QUEST
537
§54. Experimental Study of the Various Plasma Current Start-up Methods in QUEST
538
§55. Feedback Control of the Plasma Position and Shape in QUEST
539
§56. Study on Hydrogen Recycling and Particle Control in the Spherical Tokamak QUEST
540
§57. Design and its Optimization of Closed Divertor for QUEST
541
§58. Steady-State Electron Bernstein Wave Heating and Current Drive Using Phased-array Antenna System
542
§59. Planning of the All-Japan ST Research Program

14. Public Relations Department

15. Activities of Research Information Office (RIO)

III. International Collaboration

1. US-Japan (Universities) Fusion Cooperation Program

2. TEXTOR Collaboration

3. International Collaboration on Helical Fusion Research — IEA Stellarator Agreement —

4. JSPS-CAS Core-University Program on Plasma and Nuclear Fusion

5. Japan-China Cooperation in Area of Magnetic Fusion Energy Research and Development and Related Fields

6. Japan-Korea Fusion Collaboration Programs

580
First Results from Resistive Bolometers in KSTAR
581
Development and Application of Electron Cyclotron Emission System on KSTAR

IV. Department of Engineering and Technical Services

V. Department of Administration

597
APPENDIX 1. Organization of the Institute
598
APPENDIX 2. Members of Committees
599
APPENDIX 3. Advisors, Fellows, Professors Emeriti
600
APPENDIX 4. List of Staff
606
APPENDIX 5. List of Publications I (NIFS Series)
608
APPENDIX 6. List of Publications II (Journals, etc.)

621
Author Index
630
National Institute for Fusion Science
631
How to Reach National Institute for Fusion Science
632
How to Reach Rokkasho Research Center
633
National Institute for Fusion Science (Building Arrangement)