Contents

1 I. National Institute for Fusion Science April 2014 – March 2015

4 II. Research Activities

4 1. Large Helical Device Project

4 1-1. LHD Experiment

4
(1) Overview of LHD Experiment
6
(2) Divertor and Edge Plasma Physics
6
§1. Impact of RMP on Divertor Footprints in LHD
7
§2. Mitigation of Heat and Particle Loads to Divertor with High Z Gas Puffing in LHD
8
§3. Hydrogen Depth Profiles Using Laser-induced Breakdown Spectroscopy (LIBS) on Graphite Target of Divertor in LHD
9
§4. Investigation of Spatial Profile of the LHD Detached Plasma
10
§5. Observation of Low He/H Density Ratio in the Edge Stochastic Layer in LHD
11
§6. Detachment Stabilization with RMP Application in LHD: Input Power Dependence and Correlation between Detachment Transition and Plasma Response Field
12
§7. Fluctuation Measurements in the Stochastic Layer of LHD
13
§8. Experiments on m/n=2/1 Magnetic Island Dynamics Based on ECCD
14
§9. He Gas Exhaust Experiments in LHD Closed Divertor with Pumping Function and Resonance Magnetic Perturbation Coils
15
§10. Complete Detachment and the Impact of Power Modulation in ECH Plasmas
16
§11. Poloidal Distribution of Impurity Emissions in Edge Ergodic Layer of LHD
17
§12. Study of the Effect of Improved Divertor Cryosorption Pump on Divertor Recycling
18
§13. Radiation Enhancement in Ne or Kr Seeded Plasmas Measured with an Infrared Imaging Video Bolometer in the Large Helical Device
19
§14. Analysis of Toroidal Asymmetric Properties of Non-diffusive Transport and Magnetic Island Geometry in the LHD Detached Plasma
20
§15. Observation of Flow and Ion Temperature of Carbon Impurities in the Ergodic Layer of LHD
21
§16. Measurement of Emission Intensity Profiles with Impurity Gas Puffing Using a 3 m Normal Incidence VUV Spectrometer in LHD
22
§17. Comparison of Synthetic Images from EMC3-EIRENE with Bolometric Images from an IRVB in LHD
23
§18. Verification of the Dynamic Plasma Profile Description Model
24
§19. Helium Exhaust with Closed Helical Divertor in LHD
25
§20. Observations of Temperature Profiles on Modified Divertor Plates in LHD
26
§21. Dust Transport Analysis in a Long Pulse Discharge in LHD
27
§22. Broad-scale Edge Plasma Diagnostics with Several Types of the Langmuir Probes
28
(3) High Beta and MHD Physics
28
§1. Observation of Stabilization of Helically Trapped Energetic Ion Driven Resistive Interchange Mode During High Power Injection of the ECH
29
§2. Effects of Core Magnetic Islands to Edge Magnetic Topology
30
§3. Identification of Energetic-particle Driven Geodesic Acoustic Mode with Frequency Chirping in the LHD Plasmas
31
§4. Study of Interaction between Magnetic Island and Plasma Flow Using Electrode Biasing Method
32
§5. High Time-resolved Fast Ion Measurements Affected by Fast-ion-driven MHD Activity
33
§6. Response of Interchange Instability to Resonant Magnetic Field by External Coils
34
§7. Nonlinear Analysis on Magnetic Perturbation in Periphery in LHD
35
§8. High-beta Profile Data for FFHR-d1 Core Plasma Design
36
§9. Development of Pulse Analyzer System Using FPGA Module for Waveparticle Interaction Analyzer in LHD
37
§10. Effect of Time Evolution of the MHD Equilibrium on Transport Properties in Helical Plasmas
38
§11. Study of Healing Boundary of Magnetic Islands in the LHD
39
§12. Energetic Ion Losses Caused by MHD Activity Resonant and Non-resonant with Energetic Ions in LHD
40
§13. Effect of the RMP on the ELM-like Activities Observed in the High-beta H-mode
41
§14. Study of MHD Fluctuation with Tearing-Like Mode Structure in LHD
42
§15. Study on Correlation Length of Edge Harmonic Oscillation Using Beam Emission Spectroscopy in LHD
43
§16. High Beta Experiments in LHD
44
§17. Physics Study on 3-D Helical Equilibrium Plasmas in a LHD Plasma with 2-D Imaging Diagnostics
45
§18. Effect of Re-entering Fast Ion Produced by NB on the Heating Power Profile and Velocity Distribution Function
46
§19. Evaluation of Heating Efficiency Property of Perpendicularly Injected NB in LHD High Beta Plasma
47
§20. Identification of Effective Plasma Boundary by the Radial Electric Field
48
§21. Deceleration Mechanism for Rotation of Instability with Minor Collapse in LHD
49
§22. Effects of Energetic Ions on Interchange Modes and Control of the MHD Modes
50
§23. Study of Magnetic Structure and Transport Using Heat Pulse Propagation Method
51
§24. Plasma Response of Resonant Magnetic Perturbation in LHD
52
(4) Extension of High Temperature Regime and Related Physics
52
§1. Summary of High-ion-temperature Plasma Experiment in the Large Helical Device
53
§2. Extention of High Te Regime in the Large Helical Device
54
§3. Degradation of Core Te Due to m/n = 2/1 Mode in High Te Plasmas
55
§4. Comparison of Achieved Temperature between H Dominant and He Dominant Plasmas Produced by High Power ECRH
56
§5. Comparison of Turbulence in the Hydrogen and Helium Plasma of LHD High Ti Discharge
57
§6. Comparison of Turbulence in the Hydrogen and Helium Plasma of LHD High Te Discharge
58
§7. Fast RF Spectrometer System on LHD
59
(5) Steady-State Operation and Plasma Wall Interaction
59
§1. Adaptability Evaluation of Advanced Tungsten Coated Ceramic Materials Using Plasma Exposure Environment in LHD
60
§2. Research on Dust Generation and its Observation Method by Light Scattering
61
§3. Robustness of Steady-state Discharge for Impurity Contamination in Radio-frequency Sustained Helium Plasmas
62
§4. In-situ Measurements of Dust Deposition in LHD Using a Quartz Crystal Microbalance Method
63
§5. Plasma Heat Transport through LHD Divertor Leg
64
§6. Global Particle Balance Analysis in LHD
65
§7. Erosion Properties of Tungsten at Elevated Temperature
66
§8. Optimized Injection of High Power ECH Beam by Feedback Control in LHD
67
§9. Study on Plasma-wall Interaction and on Hydrogen Recycling Behavior Using Long-term Samples in LHD
68
§10. Effects of Dust Related Materials on Optical Performance of Si Substrates
69
§11. Simulation Analysis of Transport of Dusts in the Large Helical Device
70
§12. Observations of Termination Processes of Long Pulse Discharges in LHD
71
§13. Observations of Dust Trajectories in Long Pulse Plasma Discharge with a Stereoscopic Fast Framing Camera in LHD
72
§14. Comparison of the Wall Pumping Capability of the Modified First-wall Surface of LHD during a Helium Long Pulse Discharges
73
§15. Bulk Tungsten Exposure Experiment on the Helium Long Pulse Discharge in LHD for Creating the Tungsten Fiberform Nanostructure
74
§16. Investigation of the Physical Properties of the Mixed-material Deposition Layer Formed on the First Wall Surface of the LHD (2)
75
§17. Visualization of Low Coherence and Low Amplitude Fluctuation of Long Pulse Discharge Experiment
76
§18. Retention and Desorption of Hydrogen and Helium in Plasma Facing Surfaces in LHD under Long Pulse Operation
77
§19. Optimization of a Cylinder with Fins for Mitigation of Depositions on First Mirrors
78
§20. Temperature Impact on Tungsten Surface Exposed to He Plasma in LHD and its Consequences for the Material Properties
79
§21. Sustainment of a Plasma with the Electron Density over 1×1019m-3 for 39 Min. by Use of EC-Waves
80
(6) Transport Physics
80
§1. New ECRH Power Modulation Signals for Identifying Non-linear Component of Electron Heat Transport Measurements
81
§2. Effective Formation and Sustainment of the e-ITB with Controlling the Rotational Transform by ECCD
82
§3. Direct Digitization of Signal of Microwave Frequency Comb Reflectometer in LHD
83
§4. Test of a Non-Diffusive Transport Model for Dynamics in LHD Plasma
84
§5. Internal Transport Barrier Formation Triggered by Modulation Electron Cyclotron Heating in LHD
85
§6. Comparison of Heat Transport Properties in Hydrogen and Helium ECRH Plasmas
86
§7. Study of Nonlinear Behavior of Low-Frequency Fluctuations Caused by Transition of Radial Electric Field in the Edge LHD Plasma
87
§8. Evaluation of Zeff Profile in Low-density and High-Ti Discharges with Carbon Pellet Injection in LHD
88
§9. Investigation of Spontaneous Toroidal Rotation Excited with Electron Cyclotron Heating in LHD
89
§10. Core Impurity Transport in Qusai-Steady State Plasmas on LHD
90
§11. Impurity Behavior in a Multi-Species Plasma Mixed with H and He on LHD
91
§12. Transport Analysis of LHD Discharge for V&V of Neoclassical Transport Codes
92
§13. Experiment to Measure Two-dimensional Potential Structure in Islands with HIBP
93
§14. Stereoscopic Observation of Impurity Ablation Positions by Tracer Encapsulated Solid Pellet Injection in Long Pulse Discharges in LHD
94
§15. Non-local Interaction of Ion Thermal Transport between Core and Edge Triggered by ECRH on the LHD Plasma
95
§16. Nonlocal Transport Phenomenon in the Plasma with a Flatten Core Electron Temperature Profile
96
§17. ECH Effect on Tracer Impurity Transport in L-mode Discharge of LHD
97
§18. Comparison of Electron and Ion Energy Transport in the Hydrogen and Helium Plasma of LHD Normal Confinement Plasma
98
§19. Comparison of Particle Transport in the Hydrogen and Helium Plasma of LHD Normal Confinement Plasma
99
§20. Turbulence Response under Heating Power Scan in LHD
100
§21. Linear Characteristics of Turbulence under Heating Power Scan in LHD
101
§22. Control of Bulk Ion Heat Transport by ECH in a Reversed Magnetic Shear Plasma
102
§23. Experimental Study of H-mode Like Hydrogen Plasma in the Outward Shifted LHD Configuration
103
§24. Study of Core Stochastization on High Ti Plasma Using Heat Pulse Propagation
104
§25. Toroidal Flow Development after the Tangentially Injection of Neutral Beams
105
(7) Atomic and Molecular Process
105
§1. Exploration of Visible Emission Lines of Highly Charged Tungsten Ion Using the LHD Plasma
106
§2. Investigation of Plasma Boundary as the Ionization Location of Neutral Atoms
107
§3. Optimization of Soft X-ray Spectra in the Water Window from Multi-charged Ion Plasmas
108
§4. Study on Non-equilibrium Ionization of Highly Charged Tungsten Ions by Using Forbidden Lines
109
§5. Spectroscopic Measurements and Database Development for Highly Charged Rare Earth Elements
110
§6. Examination of Up/down Symmetry of Highly Ionized Tungsten Ions in Core Region of LHD Plasmas
111
§7. Simultaneous Spectroscopic Measurements of Wide Wavelength Range for W Ions in LHD Plasmas
112
§8. Observation of Asymmetric Radial Profile of WVI Located in Edge Plasmas of LHD
113
§9. EUV Spectrum of Highly Charged Tungsten Ions in CoBIT
114
§10. Experimental Identification of Spectral Lines of Highly Charged Heavy Ions
115
§11. Non-Equilibrium Plasma Diagnostics of Solar Coronal Plasma Verified by Large Helical Device (LHD)
116
§12. Spectroscopy of Recombining Plasma in the Decay Phase of LHD
117
(8) Heating Physics
117
§1. Survey of the O-X Mode Conversion Window with Steering the Antenna Aiming
118
§2. Numerical Study of Wave Propagation Near the OX Mode Conversion Region
119
§3. Development and Application of a Ray-tracing Calculation System with 3D Equilibrium Mapping in the LHD ECH Experiments
120
§4. Optimization of ECH Injection Polarization in Real-time Polarization Scan Experiments
121
§5. Evaluation of ICRF Heating Characteristics in the LHD
122
§6. Evaluation of the TASK3D by the High Energy Particle Measurement
123
§7. Development of Stable High-density Plasma Duration Using Radio-frequency Heating
124
§8. Research of the Optimum Condition for ICRF Heating
125
§9. Neutral Particle Effect on High Energy Ion in LHD
126
§10. Exploration of Advanced Plasma Heating Scenarios in the Large Helical Device
127
§11. Control of Energetic-Particle-Driven MHD Instabilities by ECH/ECCD
128
§12. Measurement of Fast Ion Velocity Distribution Function by Collective Thomson Scattering Diagnostic in the Large Helical Device
129
§13. Development of Ex-vessel Impedance Transformer for ICRF Antenna in LHD
130
§14. Development of Wave Propagation-absorption Code and Plasma Heating Power Profile Evaluation Code
131
§15. ICRF Heating Experiment by the ICRF Antenna without Faraday Shield in LHD
132
§16. Extension of Plasma Density Region Heated by Third Harmonic ECRH and Optimization of Antenna Focal Position
133
§17. Vertical Distribution Measurement of Energetic Particle Using ARMS
134
§18. Ion Heating by ECRH through the Equipartition Process in the Large Helical Device
135
(9) LHD Device Engineering Experiments
136
§1. Update of Control System of DC Power System for LHD Superconducting Magnet
137
§2. Heat Leak Measurement of Cryogenic Line from Refrigerator to Both Helical Coils and Poloidal Coils in LHD
138
§3. Analysis of Propagating Short Normal Zones in the LHD Helical Coils

139 1-2. Research and Development for LHD Upgrade

140
(1) Study of Deuterium Experiment Program in LHD
141
§1. Deuterium Retention in Low-Activation Ferritic Steel under Deuterium- Plasma Exposure
142
§2. Hydrogen Isotopic Composition in River Water at Toki Site
143
§3. Deuterium Retention Enhancement for LHD Plasma Exposed W
144
(2) Safety Management Research
145
§1. Atmospheric Concentration and Deposition Flux of Radionuclides at NIFS Site
146
§2. Groundwater and Rain Water Monitoring around Tono Area
147
§3. Investigation of Natural Radiation and Radioactivity at Tono Area in Gifu Prefecture, Japan
148
§4. Distribution of Background Radiation in Soil around NIFS Facilities
149
§5. Geochemical Characteristics of Precipitation and Inland Water at Okinawa Island
150
§6. Performance Evaluation of High-Sensitivity Tritium Gas Monitoring System Developed by Employing Two-Parameter Spectrometer (Effect of Rise Time Analysis)
151
§7. Development of a New Tritium Monitor by Using a Plastic Scintillator with Surface Treatment
152
§8. Design and Construction of the Exhaust Detritiation System for Large Fusion Test Device
153
§9. Design Consideration of the Gaseous Tritium Sampling System in the Exhaust Detritiation System
154
§10. Performance of Simplified Active Sampler for Tritium Monitoring in a Fusion Test Facility
155
§11. Observation of the Gas Stream in the Vacuum Exhaust Pipe Line for the Design of Exhaust Detritiation System
156
§12. Visualization and Spectrum Analysis of Leakage EM Field in Magnetic Confinement Fusion Test Facilities
157
§13. Practical Research on Radiation Education (2)
158
(3) Diagnostic Systems
160
§1. Development of a New Detection System for the Thomson Scattering Measurement in the Forward Scattering Configuration
161
§2. Zeff Measurement Using the LHD Thomson Scattering System
162
§3. Development of a Coaxial Laser Beam Combing Device Based on TGG Ceramics for the High Repetition Rate Thomson Scattering System
163
§4. Electron Density Measurement with a CO2 Laser Dispersion Interferometer on LHD
164
§5. Development of the O-mode Microwave Imaging Reflectometry (O-MIR) in LHD
165
§6. Development of Two Wavelength Spectrometer for the Measurement of He/H Ratio with Charge Exchange Spectroscopy
166
§7. Development of a New TESPEL Injector with a Variable Injection Angle Mechanism in LHD
167
§8. Fast Data Transfer Method toward the LHD Remote Data Archiving for Disaster Safety
168
§9. myView2, Multi-purpose and Multi-platform Data Visualization Tool
169
§10. Progress in Preparation of Neutron Flux Monitor and Neutron Activation System for the LHD Deuterium Operation
170
§11. Developments of Scintillator-based SX Diagnostics for High Neutron Flux Environments
171
(4) Physics and Engineering of LHD Torus and Heating Systems
174
§1. Operation Summary of Neutral Beam Injection System in the 18th Campaign
175
§2. Negative Hydrogen Ion Density Profiles Parallel to Plasma Grid Electrode with and without Beam Extraction in Negative Hydrogen Ion Source for Neutral Beam
176
§3. Local H– Ion Density Measured by Laser Photodetachment in a Negative Hydrogen Ion Source
177
§4. Study of Distribution of Ha Reduction and H– Behavior in the Extraction Region in Hydrogen Negative Ion Source for NBI
178
§5. Balmer-a Line Spectrum Measurement of LHD 1/3 Ion Source Plasma
179
§6. Laser-aided Spectroscopic Diagnostics in a Negative Hydrogen Ion Source
180
§7. Characteristics of Cs Atom and Cs+ Ion in Beam Extraction Region of NIFS R&D Ion Source
181
§8. Electron Density Measurement in 1/3 Negative Ion Source for LHD during Beam Extraction
182
§9. Integrated Modeling of Negative Hydrogen (H–/D–) Ion Production, Extraction and Acceleration in a Large Negative Ion Source for Neutral Beam Injection System
183
§10. Influence of Electron Suppression Magnetic Field on H– Extraction in Hydrogen Negative Ion Source
184
§11. Study on Electronic Transitions in Cs-metal Surface Using First Principles Density Functional Theory
185
§12. Clarification of Production and Extraction Mechanisms of High Density Negative Ions
186
§13. Cs-free Negative Ion Production Inside the Extraction Aperture of Plasma Grid
187
§14. Development of Very Small Diameter, RF-Produced, High-Density Plasma for Unitization of Negative Ion NBI
188
§15. Development of CW High Power Transmission Line Component
189
§16. High Power Test Result of a Millimeter-wave Beam Position and Profile Monitor
190
§17. Design of Polarizers for a High-power Long-pulse Millimeter-wave Transmission Line on the LHD
191
§18. Development of Millimeter Wave Components for High Power ECH
192
§19. Bloch Wave Cavity in Millimeter and Sub-Millimeter Wave Regions
193
§20. Technology Related to High Power Micro-, Millimeter- and TeraHertz- Waves and its Application to Plasma Heating and Diagnostics
194
§21. Workshop on “Development and Reactor Application of ICRF Heating Device”

195 1-3. Theoretical Study

196
§1. Linear Stability of LHD Plasma with RMP
197
§2. Interchange Instability in LHD Equilibria with Magnetic Islands
198
§3. Neutral Particle Effect on High Energy Ion in LHD
199
§4. Benchmark of Monte Carlo Scheme of EMC3 Dealing with Non-Uniform Cross-Field Transport Coefficients and Implementation in LHD
200
§5. Development of Wave Propagationabsorption Code and Plasma Heating Power Profile Evaluation Code
201
§6. Systematic Validation Study Based on Experiment Database Through Extension of Integrated Transport Analysis Suites for LHD and Toroidal Plasmas

202 1-4. LHD Project Research Collaboration

203
§1. Static and Dynamical Spectroscopy on Neutral Hydrogen Transport in a Fusion Plasma
204
§2. Energy Resolved X-ray Video Camera System in LHD
205
§3. Development of Neutron Diagnostic Systems Leading to Extended Physics of Energetic Particle Confinement in LHD
206
§4. Measurements of Charge Exchange Cross Sections for Highly Charged Tungsten Ions with Hydrogen Atoms
207
§5. Development of the Multi-pass Thomson Scattering System in the GAMMA 10 Tandem Mirror
208
§6. Electron Energy Distribution Function (EEDF) Measurement in the Frequency Domain with the Aid of a Differentiator Circuit Using an Electrostatic Probe on MAP-II Divertor Simulator
209
§7. Positional Stabilization of Torus Plasma with Simple Helical Coils
210
§8. Study of High Power Sub Terahertz Pulse Gyrotron for Application to Collective Thomson Scattering Diagnostics in LHD
211
§9. Study of Atomic Excitation by Optical Vortex and its Application to a Novel Laser Spectroscopy
212
§10. Electron Bernstein Wave Heating in Extremely Overdense Plasmas
213
§11. Development of a Microwave Frequency Comb Reflectometer for Multi-scale Turbulence Measurement
214
§12. Establishment of Wavenumber Measurement Method of Electron Gyro-scale Density Fluctuation with the Use of Microwave Scattering at UHR Layer
215
§13. Study on Tokamak-helical Hybrid Configurations with a Low Aspect Ratio
216
§14. Determination of the Response Function for a Particle Recycling System and its Application to Steady State Operation Using Perturbation Methods
217
§15. Study of Shielding Effect of Resonant Magnetic Perturbation and the Interaction with MHD Instabilities
218
§16. Development of a Large Negative Ion Source and a Photo-neutralizer for the Continuous Operation
219
§17. New Reconstruction Method for Eddy Current Distribution in Toroidal Machine: Verification from Real Experiments
220
§18. Study of RF Generated Fast Electrons and their Behavior in the Low Collisionality Regime
221
§19. Development of Compact Divertor Plasma Simulator for Hot Laboratory
222
§20. A Proposal of In-situ Diagnostics Methods for PFMs under Multiple Irradiation
223
§21. Study of Selective Exhaust of Particles on LHD Closed Divertor
224
§22. Production and Development of Tungsten Materials for High Heat Flux Components Corresponding to Neutron Irradiation Environment of Fusion Reactor
225
§23. Plasma Wall Interactions under Inert Gas Puffing for Reduction of Heat Flux
226
§24. Retention Dynamics in Damaged Tungsten
227
§25. In-situ LIBS Measurements of Hydrogen Isotope Retention and Material Mixing
228
§26. Development of Plasma-Spray Technique and Evaluation of Coating Properties for LHD
229
§27. R&D of Advanced Cooling Unit of Diverter and its Non-destructive Inspection
230
§28. Fundamental Study of Energy Conversion Divertor for Helical Reactors
231
§29. Control of Heat and Hydrogen Transfer by Improvement of Interface Structure in Heat Exchanger of Fusion Blanket
232
§30. Development of a Helical Winding Using Advanced Superconductors for High Magnetic Fields
233
§31. A New Approach for Estimation of the Biological Effects of Low Level Tritium Radiation
234
§32. Study on Development of Environmental Tritium Behavior Model Incorporating Organically Bound Tritium in Plant
235
§33. Development of Hydrogen Isotope Separation Technologies for DEMO Fuel Cycle
236
§34. Tritium Accumulation and Decontamination of Deposition Layer

237 2. Fusion Engineering Research Project

238 2-1. Helical Reactor Design

239
§1. Conceptual Design Studies towards LHD-type DEMO Reactors
240
§2. Towards Establishment of Technology Bases for Fusion Demonstration Reactor
241
§3. Research on Advanced Operation and Control for Fusion Core Plasmas — SOL-divertor Simulation —
242
§4. System Design of the Helical Fusion Reactor FFHR-d1
243
§5. Engineering Optimization of Magnetic Configuration for the Helical Fusion Reactor Design FFHR-d1C
244
§6. Novel Divertor Design for FFHR-d1
245
§7. A New Concept of Liquid Metal Helical Divertor for FFHR-d1 and c1
246
§8. Investigation of Radiation Shielding Performance of Metal Hydride Materials in FFHR-d1 Design
247
§9. Study on the Characteristics of Ignition Shutdown in FFHR
248
§10. Development of Mobile Robots for Remote Maintenance in FFHR
249
§11. Effect of Nuclear Plus Interference Scattering and its Verification Scenario in Burning Plasmas
250
§12. Bench Testing of a Nd:YAG Laser Dispersion Interferometer on FFHR-d1
251
§13. Design Study on Heat Engine for Fusion Reactor
252
§14. Measures to Radioactive Waste Arising from Fusion Reactor Operation
253
§15. Comprehensive Investigation on the Role of Numerical Simulations for Heat and Particle Control in Fusion Reactor
254
§16. Performance Measurement of Arbitrary Waveform and Arbitrary Power Factor Matrix Converter
255
§17. Applicability of Gas Divertor Using a Porous Medium with High Thermal Conductivity Material
256
§18. Optimum Material Design of Tungsten for Plasma Facing Component Using Numerical Simulation
257
§19. Hydrogen and Heat Simultaneous Transport through Molten Salt Flinabe
258
§20. Fundamental Research for Cooling Channel Structure to Enhance the First Wall Cooling and Tritium Recovery
259
§21. Study on the Irradiation Effect of Organic Insulation Materials for the Superconducting Magnet
260
§22. Cryogenic Interlaminar Tensile Properties of Composite Insulation Systems for Superconducting Magnets

261 2-2. Applied Superconductivity Systems

263
§1. Superconducting Properties and Workability of MgB2 Thin Wires
264
§2. Effect of Grain Refinement of 11B Powders in an In-situ Fabrication Process of MgB2 Superconducting Wires
265
§3. Effect of Zn Substitution into the Practical Bronze Material for High-field Nb3Sn Wires
266
§4. Stress/Strain and their Hysteretic Effects on the Critical Current of Superconducting Wire
267
§5. Fabrication of REBCO Coil and Application for Fusion Plasma Experimental Device Mini-RT – Electron Bernstein Wave Experiments –
268
§6. Experimental Study on High Temperature Superconducting Coils Using External Jacket Configurations
269
§7. Improvement of Superconducting Pulse Coils Using Tapes with High Aspect Ratio of Cross-section
270
§8. Current Distribution of YBCO Tapes Applied for HTS Current Leads
271
§9. Estimation of Current Leads in Large Superconducting Systems
272
§10. Structural Design of the Remountable Magnet and Development of Joint Section of a High-temperature Superconducting Conductor
273
§11. Thermal Stability of Joint between Conductors for Large-scale Superconducting Magnet
274
§12. Electromagnetic and Structural Investigation of Inter-strand Resistance in CIC Conductor for Fusion Magnets
275
§13. Study on Power Supply System for Superconducting Magnets Using Low Frequency Power Transmission
276
§14. Establishment of Partial Discharge Protection Technology for Reliability Improvement of Electrical Insulation of LHD
277
§15. Evaluation of Effects of Hall Currents on the Thermal Conductivity in a Composite Conductor of Aluminum and Copper
278
§16. Visualization Study of Behavior of Nucleation Bubble in Cooling Channel
279
§17. Experimental Study of a Regenerator Material Economizing Method for GM Cryocooler
280
§18. Study of Heat Transfer Across the Interface of Phase Transition (He II/He I)
281
§19. Development of Dynamic Simulator for Large Superconducting Magnet System
282
§20. Measurement of Properties of High Purity Metals
283
§21. Research and Development of High Temperature Superconducting Induction/Synchronous Machine for Liquid Cryogen Circulation Pump
284
§22. Study on Mechanical Properties of Large Single-grain Superconducting Bulks Fabricated by RE Compositional Gradient Technique
285
§23. Development of 100-kA Indirectly Cooled Superconductor for FFHR
286
§24. Progress of Magnet Design for the Helical Fusion Reactor with 100-kA HTS STARS Conductor
287
§25. Design of Testing Sample of High-current Superconductors for A 15 T Test Facility
288
§26. Joint Resistance Measurements of the Feeder Joint for JT-60SA EF Coils
289
§27. Visualization Study of Stephan Problem in Superfluid Helium under Microgravity Condition
290
§28. Fabrication and Superconductivity of Low Activation MgB2 Wire Using Small Particle Sized Boron-11 Isotope Powder
290-1
§28-1. Study on Circulation Current Distribution in a Cable-in-conduit Condutor

291 2-3. In-Vessel Materials and Components

292
§1. Microstructural Evolution of V-4Cr-4Ti by Heavy-ion Bombardment at Relatively Low Temperature
293
§2. Tensile Properties of Reduced Activation Ferritic/Martensitic Steel after Aging at 400 to 650°C for 100 Kh
294
§3. Formation and Nanostructure of MOCVD Processed Er2O3/oxide Buffer Double Stacked Insulator Coating
295
§4. Hydrogen Solubility in Ti Powder Mixed FLiNaK
296
§5. Construction and First Operation of Gas Pressure Driving Loop for Liquid Breeding Materials
297
§6. Effects of Surface Modifications on Deuterium Retention in F82H and EUROFER Exposed to Low Energy Deuterium Plasmas
298
§7. Effect of Radiation Power Loss Due to Impurity Gas Puff to Divertor Plasma
299
§8. Atomic and Molecular Numerical Databases and Data Activities
300
§9. Quench of Ion-beam Induced Luminescence of Er2O3 at Elevated Temperatures
301
§10. Super-saturated Hydrogen Effects on Radiation Damages in Tungsten
302
§11. The Spatial Distribution of Ha Radiation Intensity by Proton Impact on Polycrystalline Tungsten Surface
303
§12. Optimization of the Brazing Conditions of Copper Alloy Heat Sink to Tungsten Armor for FFHR-d1 Divertor
304
§13. Tensile and Impact Properties of High-Chromium V-xCr-4Ti-0.15Y Alloys
305
§14. Development of Oxide Dispersion Strengthened-Copper Using a MAHIP Method
306
§15. Evaluation of Bonding Strength for a Dissimilar-metal Joint between 9Cr-ODS and JLF-1 by Four-point Bending Tests and Finite Element Method Simulation
307
§16. Effect of Ion-irradiation on Sub-surface Mechanical Properties of Lowactivation Materials
308
§17. Comparison of 9Cr-ODS Martensitic Steel with 12Cr-ODS Ferritic Steel as Fusion Blanket Structural Materials
309
§18. In-situ Observation of the Formation Behavior of the Fuzz Structure on Tungsten
310
§19. Clarification of Mechanism on Radiation-induced Defect Formations of Chemical Vapor Deposited Silicon Carbides by Hydrogen Isotope Ion Irradiations
311
§20. Evaluation of Fatigue Damage Formation and Growth in SiC/SiC Composite
312
§21. Construction and Update of Atomic and Molecular Database for Light Elements of the 2nd Period
313
§22. Advanced Design of the Three-surface-multilayered Channel by Optimizing Structure of the Metal Layer
314
§23. Measurement of Hydrogen Permeation through Stainless Steel Membrane by Electron Stimulated Desorption Method
315
§24. Deuterium Retention Properties of SiC/SiC Composites as Plasma Facing Materials for Fusion Reactors after Deuterium Irradiation at Elevated Temperatures
316
§25. Development of Size Effects Adjustment Technique for Evaluating Fracture Toughness of Vanadium Alloy Using Small Specimens
317
§26. Mechanisms of Irradiation Hardening Due to He Bubbles
318
§27. Impact of Excited States of Reflected Hydrogen Atoms on Hydrogen Recycling
319
§28. Experimental Study on Self-healing Functional Layer for Liquid Breeder Blanket
320
§29. Study on Surface Modification of Tungsten Plasma Facing Materials
321
§30. Thermal Property and Stress Analyses of Tungsten Coating/Joint Materials
322
§31. Development and Evaluation of Tungsten-coated Ceramics as First Wall Material of Helical Reactor
323
§32. Study of Tritium Trapping on Plasma Exposed Materials
324
§33. Influence of Deposition Layer on Hydrogen Isotope Permeation in Plasma Facing Wall
325
§34. Hydrogen Retention of Low-activation Ferritic Steel Alloys Irradiated by Plasma
326
§35. Accumulation of Impurity Carbon and Quantitative Evaluation of Sputtering Particles on PFMs
327
§36. Improvement of Weight Density and Thermal Conductivity of Hydride Neutron Shielding Material
328
§37. Study on Mechanism of Luminescence Property Change in Irradiated Functional Materials
329
§38. Development of Neutronics Benchmark Technique for New Shield and Breeder Materials
330
§39. Plasma-surface Interactions of Reduced Activation Ferritic/Martensitic Steel
331
§40. Sintering Density Dependence on the Thermal Diffusivity of the Carbide Materials for Shielding Blankets
332
§41. Analysis of the Microstructure in the Heavy Ion Irradiated Oxide Thin Coating for the Liquid Blanket
333
§42. Transient Critical Heat Fluxes of Subcooled Water Flow Boiling in SUS304-circular Tubes with Various Twisted-Tape Inserts (Influence of Twist Ratio)
333-1
§42-1 Development of New Data Processing System for High Repetition Nd:YAG Thomson Scattering Measurement
333-2
§42-2 Influence and Effect of Nnanostructured Tungsten in Fusion Reactors
333-3
§42-3 Development of Electron Density and Temperature Measurements for Plasmoid using Laser Thomson Scattering
333-4
§42-4 Improvement of Similarity Retrieval in Fusion Experiment Multimedia Data Archive
333-5
§42-5 Optimization of a Cylinder with Fins for Mitigation of Depositions on First Mirrors
333-6
§42-6 Mathematical Study of Inverse Problem Solvers for Imaging Science
333-7
§42-7 Accuracy Enhancement of a Millimeter Wave Interferometer for Study of Helical RFP Plasma Performance
333-8
§42-8 R&D of Alpha Particle induced Gamma-ray Imaging System with Tandem Accelerator
333-9
§42-9 Development of Plasma Diagnostics based on Doppler-free Spectroscopy
333-10
§42-10 Development of Advanced Microwave and Millimeter-Wave Devices for LHD Diagnostic Systems
333-11
§42-11 Fundamental Study on Directional Neutron Detector with Scintillating Optical Fibers
333-12
§42-12 Development of an Optical Isolator for Optically Pumped Far-Infrared Lasers
333-13
§42-13 Trial of Plasma Measurement by Terahertz Time Domain Spectroscopy for the Future Fusion Plasma Application
333-14
§42-14 Development of in-situ Calibration of Infrared Camera Measurement
333-15
§42-15 Development of a Detector System for High-energy and Heavy Ions
333-16
§42-16 Development of Neutron Spectroscopy System for Deuterium Experiment on LHD
333-17
§42-17 Installation and Trial Operation of CAD System for ASIC Circuit Diaphragm
333-18
§42-18 Development of an ICRF Wave Measurement System
333-19
§42-19 Microwave Diagnostics of Dielectric Object
333-20
§42-20 Design Study on Electron Temperature Profile Measurement for RT-1
333-21
§42-21 Study on Utilization of Heavy-metal-ion-beam for LHD-HIBP System
333-22
§42-22 Study for High Sensitive Microwave Imaging Reflectometry in LHD
333-23
§42-23 Detailed Electron Velocity Distribution Function Measurement by Thomson Scattering
333-24
§42-24 Ab Initio Study of the Solubility and Kinetics of Hydrogen in F82H Steel
333-25
§42-25 Development of an Advanced Data Analysis Technique for Density Fluctuation Measurements by the Laser Phase Contrast Method
333-26
§42-26 Investigation of the Effect of Plasma Exposure on the Thermal Characteristics of an Imaging Bolometer Foil
333-27
§42-27 Generation of High-flux Plasma Flow by using Plasma Focus Device and Application of Neutral Particle Measurement

334 2-4. Research on Fusion System and Safety Management

335
§1. Preparation and Characterization of Porous Polymer Supported Pt Catalyst
336
§2. Hydrocarbon Combustion in Atmospheric Pressure Plasma
337
§3. Lithium Isotope Fractionation on Ion Exchange Reaction and its Application to Isotope Separation
338
§4. Safety Strategy on Radiological Environmental Assessment for Radiation Facilities

339 3. Numerical Simulation Reactor Research Project

341 3-1. Fusion Plasma Simulation

341
§1. Simulation Study of Energetic Particle Driven Instabilities in LHD and Tokamaks
342
§2. Nonlinear Dynamics of LHD Plasma with RMP
343
§3. Implementation of Plasma Rotation to HINT2 Code
344
§4. MHD Simulation on High Density Plasmoid
345
§5. Propagation of Resistive Interchange Modes
346
§6. Development of Implicit MHD Code
347
§7. Full Magnetohydrodynamic Simulations of Interchange Mode with Diamagnetic Effects and Dissipation
348
§8. Bifurcation of the Growth Rate and Frequency of the Interchange Mode with Diamagnetic Effects and Perpendicular Heat Conductivity
349
§9. 3D Plasma Response to Resonant External Magnetic Perturbation and its Impact on Fast Ion Confinement in JT-60SA Plasmas
350
§10. Simulation and Comparison with Experiment of Neoclassical Viscosity in JT-60U and LHD
351
§11. Development of a Drift-kinetic Simulation Code Including Effects of Resonant Magnetic Perturbations and Radial Electric Field
352
§12. Electromagnetic Gyrokinetic Simulation of Turbulence in Torus Plasmas
353
§13. Turbulent Transport of Heat and Particles in a High Ion Temperature Discharge of the Large Helical Device
354
§14. Extension of Gyrokinetic Simulation Code GKV and its Application to Plasma Turbulent Transport
355
§15. Modeling and Implementation of Gyrokinetic Simulation
356
§16. Development of Linearized Collision Operator for Multiple Ion Species in Gyrokinetic Simulations
357
§17. Development of Improved Collision Operator for Multi-species Plasma Kinetic Simulations
358
§18. Fluid Simulation of Tokamak Turbulence with Zonal Flow Closure Model
359
§19. Conservation Laws for the Boltzmann-Poisson-Ampère System of Equations
360
§20. Modeling of Transport Diffusivity Using Gyro-kinetic Analysis
361
§21. Integrated Modeling of Peripheral and Core Plasmas Including Impurities
362
§22. Simulation Analysis of Effects of the Closed Divertor on Peripheral Plasma and Neutral Transport
363
§23. Tungsten Fuzzy Nanostructure Formation by Molecular Dynamics and Monte-Carlo Hybrid Simulation
364
§24. Simulation Study of Non-Diffusive Plasma Transport with Three Dimensional Particle Code
365
§25. EMC3-EIRENE Simulations of Linear Divertor Plasmas
366
§26. A Parameter that Denotes Non-equilibrium Property for Turbulent Plasmas
367
§27. Formation of Steep Wave Front of Drift Waves in Linear Magnetized Plasmas
368
§28. Simulation Research of Plasma Turbulence and Diagnostics
369
§29. Nonlinear MHD Simulation of High-b Self-organized Plasmas
370
§30. Theoretical Study About MHD Dynamics and Self-organization in a High-beta Toroidal Plasma
371
§31. Simulation Modeling for Formation of High Beta Field-reversed Configuration
372
§32. 2-D MHD Simulation of Translation Processes of FRC Plasma
373
§33. Study on Simulation Code for Two-fluid Plasma Experiment
374
§34. Electromagnetic Analysis in Corrugated Waveguide Using 3D-FDTD

375 3-2. Simulation Science

375
§1. Multi-Hierarchy Simulation Studies of Magnetic Reconnection by MHD-PIC Interlocking
376
§2. Effects of Multi-dimensional Electromagnetic Fluctuations on Energetic Particles in Magnetosonic Shock Waves
377
§3. Influence of Strong Guide Magnetic Field on Collisionless Reconnection
378
§4. Development of PASMO Code
379
§5. Toward Multi-herarchy Modeling of Magnetosphere Simulation
380
§6. An MHD-scale Dynamics of Collisionless Magnetic Reconnection
381
§7. Study on Multi-Hierarchy Phenomena in Plasmas with Theory and Simulations
382
§8. Simulation Methodology in Advanced Computing
383
§9. 3D Visualization of LHD Plasma with Dusts
384
§10. First Principles Investigation of Cluster Consisting of Hydrogen and Helium Atoms Interstitially-trapped in Tungsten
385
§11. BCA Simulation on Noble-gases-absorptivity of Tungsten Fuzz Structure
386
§12. Material Temperature Dependence of Hydrogen Retention in Single Crystalline Graphite by BCA Simulation
387
§13. Molecular Dynamics Simulations of Proton Nanotube Accelerators by Au Guard Cells
388
§14. Simulation Study on Pair Production in Laser-produced Plasmas
389
§15. Large-scale Simulation of High-energy Electron Generation via Ultrahigh-intense Laser
390
§16. Study on Intense Laser Interaction with Surface Plasma on Solid Materials
391
§17. Effective Parallelization of PIC Simulation for the Calculation of Laser Plasma Interaction
392
§18. DNS/LES of Magnetized Plasmas by an Extended MHD Model
393
§19. Statistical Laws of Strong Fluctuations and Cascade Flux in NS and MHD Turbulent Mixing Studied by Massive Parallel Computation
394
§20. Study on MHD Wall Shear Turbulent Flow with Free-slip Wall
395
§21. Development of Highly Accurate Numerical Methods for the MHD Equations and the Full Two-fluid Equations
396
§22. Parameter Dependence of Two-fluid and Finite Larmor Radius Effects on Rayleigh-Taylor and Kelvin-Helmholtz Instabilities in Finite Beta Plasmas
397
§23. Construction of a Neutral Transport Code which Includes Radiation Trapping Effect
398
§24. Construction of a Molecular Hydrogen Collisional-radiative Model for Ionizing and Recombining Plasmas
399
§25. Molecular Dynamics Simulation of Self-Assembly in Bolaamphiphilic Solutions
400
§26. Study of Quantum Spin Systems by Largescale Parallel Calculatios
401
§27. High-Performance Analysis of Shielding Current Density in High- Temperature Superconducting Film
402
§28. Development of Solver for Large Non-linear Differential Equation and their Engineering Application
403
§29. Analysis of the Rail Network with Properties of Complex Network

404 3-3. Computer Systems for Promoting NIFS Collaborations

404
§1. Plasma Simulator
405
§2. LHD Numerical Analysis Server

406 4. Basic, Applied and Innovative Researches

407
§1. High Density Plasma Experiment: HYPER-I
408
§2. Intermittent Excitation of Hot Spot in an ECR Plasma
409
§3. Evaluation of Laser Line Width for Ion Temperature Measurement by Pulsed Laser Induced Fluorescence
410
§4. Experimental Study on Turbulence Transition with an Axial Vector Field
411
§5. Development of Microwave Computed Tomography (MWCT)
412
§6. Development of Information Processing System for Microwave Imaging for Plasma and Dielectric Object Observations
413
§7. Mathematical Study of Inverse Problem Solvers for Imaging Science
414
§8. Study of IR Heating Technique with Cone Guide Temperature Control for Fuel Layering of FIREX Cryogenic Targets
415
§9. Formation of Electric Field in a Fast-flowing Plasma with Diverging Magnetic Nozzle
416
§10. Mechanism of Shock Wave Formation in an Arcjet Helium Plasma
417
§11. Irradiation Effects on Reactor Relevant Material Surfaces by Slow Highly Charged Ion Beam
418
§12. Development of an Ion Source Producing Multiply Charged Lithium Ion for a Slow Ion-Atom Collision Experiment
419
§13. Angle-resolved Intensity and Energy Distributions of Positive and Negative Hydrogen Ions Released from W Surface by Molecular Hydrogen Ion Impact
420
§14. Plasma Atomic Processes Explored by Optical Emission Spectroscopy of Excited Atoms Sputtered from the Metal Surface by Ion Bombardment
421
§15. Estimation of Physical Property for Tungsten Possessing Nano-structure for Fusion Devices
422
§16. Exploration of Multi-charged Carbon Ion in RT-1
423
§17. Development of GHz Spectroscopy System for Electric Field Measurement by Stark Spectroscopy
424
§18. Characteristics of High-Beta and High-Elongation Spherical Tokamak Like Field-Reversed Configuration
425
§19. Research and Development of Cooling Faraday Rotator for High Energy Laser Systems for Plasma Diagnosis and Heating
426
§20. Evaluation of Millimeter-wave Absorption Behavior of Nitride Powders
427
§21. Reduction Reaction of Ferromagnetic Oxides under Microwave Irradiation
428
§22. Interaction and Structuring of Plasma and Condensed Matters by Highfrequency Waves
429
§23. Measurement of Charge-defined Spectra for Laboratory Scale Light Source Applications
430
§24. Development of Internet Vertical Atomic and Molecular Database for Studies of Light Sources and Plasma Processing
431
§25. Promotion of Cooperation among Plasma-related Interdisciplinary Sciences
432
§26. Optimization of Heliotron Conguration Based on LHD Experiments

433 5. Network-Type Collaboration

435
§1. RF Plasma Generation and Current Ramp-up Experiments on Spherical Tokamaks
436
§2. MHD Equilibrium Dynamics Due to the Rapid Change of Plasma Parameter and the Interaction with the Confinement
437
§3. Observation and Control of Self-governing Events in Compact Torus Plasmas
438
§4. Study on Hydrogen Retention/desorption Behavior Using Long-term Samples Mounted on the Plasma-facing Surface in LHD

439 6. Fusion Science Archives (FSA)

441
§1. Collaborative Activities at NIFS Fusion Science Archives (NIFS FSA)
442
§2. Collection of Historical Materials on Fusion Research in Japan by Oral History Method
443
§3. Studies on History of Nuclear Fusion Research at the Dawn Stage
444
§4. Consideration on History of Compact Helical System Based on Historical Documents
445
§5. Archival Studies on Collaborations in Heliotron Studies at Kyoto University
446
§6. Practical Issues in Management of the Cooperative Internet Information Searching Systems of Multiple Scientic Archives
446-1
§6-1. Investigation and Analysis of Historical Documents and Materials in the Planning Phase of the Fusion Energy Research Projects in Japan

447 7. Collaboration Using SINET4

448
§1. Present Status and Prospect of Plasma Control System and Data Acquisition System on QUEST
449
§2. Data Transfer and Direct Data Acquisition from GAMMA 10/PDX to LHD Virtual Laboratory via SNET
450
§3. SNET Communication between Fundamental Plasma Physics Group at Kyushu University and NIFS

451 8. Bilateral Collaboration Research Program

454
§1. Study of Boundary Plasmas in Making Use of Potential and Heat-flux Control Effect of High Power Gyrotrons Coinciding with their Development and Open Magnetic Field Configuration
455
§2. Plasma Flow Measurement at Peripheral Region with ICRF Heating in GAMMA10
456
§3. Effect of Neutrals on Decrease in Heat and Particle Loads on the V-shaped Target in GAMMA10
457
§4. Extraction of Spatial Plasma Structures by Analyzing Fluctuations in Core and Edge of GAMMA 10
458
§5. Development of Thomson Scattering System in GAMMA 10/PDX
459
§6. Cooperative 28 GHz ECH Study for High Density Plasma Heating and Development of 14 GHz and 28 GHz/35 GHz Gyrotrons
460
§7. Development of the Monitoring System for Divertor Heat Flux Distribution
461
§8. Experimental Study on Generation of High Heat Flux by ECH Modulation for ELM Simulation Experiments
462
§9. Study of Divertor Simulation Using End-region of a Tandem Mirror – Mechanisms of Radiation Cooling Divertor and Plasma Detachment –
463
§10. Plasma Irradiation Effects on Hydrogen Behavior in Nuclear Fusion Materials
464
§11. Development of 1-Dmensional Antenna Array for Microwave Imaging Interferometer in GAMMA 10 Diverter Simulation Experiments
465
§12. Effects of Particle Control in the End Region on the Central Plasma Characteristics in GAMMA-10
466
§13. Behavior of Wall Material Impurities Released to Magnetized Plasma and its Effects on Plasma Properties
467
§14. Generation and Control of High-Density Flow in Open System Plasma
468
§15. Study of Influence of Magnetic Field Structure on Detached Plasma Formation
469
§16. Experimental Verification of Constant Deceleration of TWDEC for its Miniaturization
470
§17. Wave Excitation in the Anchor Cell of GAMMA 10 with Nonaxisymmetric Configuration
471
§18. Development of High Power, Long Pulse, High Frequency Gyrotrons and Improvement of Plasma Parameter in LHD by Use of the Gyrotrons
472
§19. Study for Remote Participation System Providing Bidirectional High-presence with a Wide View of Control Room
473
§20. Effect of Spontaneously Excited ICRF Waves on the End-loss Energetic Ions in GAMMA 10
474
§21. Study on Hydrogen Retention and Hydrogen Recycling in Radiation Damaged Tungsten
475
§22. Developments of Advanced Microwave Diagnostics for Future Fusion Plasma Reactor Approaching by Time-Domain Spectroscopy Technique
476
§23. Optimization of Fueling in Magnetically Confined Plasmas — Analysis of Neutral Behavior and Optimization of Particle Fueling in Open Magnetic Field Plasmas —
477
§24. Study on the Confinement Optimization and Stability Control of an Advanced Helical System
478
§25. Studies of Lost Fast Ions Induced by Fast Ion Driven MHD Instabilities in Helical Plasmas
479
§26. Study of Anomalous Transport of Fast Ions Induced by Alfven Eigenmodes and Development of External Control Method in Heliotron J
480
§27. Development of the Monitoring System for Divertor Heat Flux Distribution
481
§28. Comparison of Boundary Plasma Turbulence Simulations with Experiments on the Heliotron J
482
§29. Electron Bernstein Wave Emission Measurement in Consideration of Finite Beam Width
483
§30. Study of Effect of Plasma Flow on Magnetic Island Dynamics in Helical Plasmas with Various Magnetic Configurations
484
§31. Design Study of a Dispersion Interferometer on Heliotron J
485
§32. Two-dimensional Density Fluctuation Measurement Using Beam Emission Spectroscopy in Heliotron J
486
§33. Investigation of Hydrogen Isotope Effects on Particle Transport in Heliotron-J
487
§34. Optimization of Fueling in Magnetically Confined Plasmas (Fueling Optimization Using Ha/Da Line-emission Measurements in Heliotron J)
488
§35. Study of Field Optimization of Fast Ion Confinement by Using ICRF Heating in Heliotron J
489
§36. Distribution Function Analysis of High Energy Particle in Heliotron J
490
§37. Transition of Poloidal Viscosity by Electrode Biasing in Heliotron J
491
§38. Study of Pellet Injection for Efficient Core Plasma Fuelling in Heliotron J
492
§39. Exploration and Comparison of Physical Mechanisms Related to the Dynamic Evolution of Density Profiles in Toroidal Confinement Systems
493
§40. Effect of MHD Instabilities on Confinement Performance in Helical Plasmas
494
§41. Study of Interaction between Fast-ion and Fast-ion Driven MHD Instabilities on Heliotron-J
495
§42. Parallel Momentum Input by Tangential Neutral Beam Injection in Stellarator and Heliotron Plasmas
496
§43. Fast Ignition of Super High-Dense Plasmas
497
§44. Measurement of Electrical Conductivity for Diamond-like-carbon Plasma toward Efficient Energy Coupling in Fast Ignition
498
§45. Estimation on Behaviors of Plumes Near the Center of Laser Fusion Liquid Wall Reactor Chamber Based on 2-dimensional Simulation
499
§46. Mitigation of Hydrodynamic Instability with Diamond Ablator for Direct Drive Inertial Confinement Fusion Targets
500
§47. Development of Aluminum Cone Tip for Fast Ignition Experiment
501
§48. An Electron/Ion Spectrometer with the Ability of Low Energy Electron Measurement for Fast Ignition Experiments
502
§49. Development of Single-crystal CVD Diamond Radiation Detector for Neutron Burn History and Bang Time Monitor
503
§50. Design for Fast Ignition Targets with Fast Ion Heating
504
§51. Plasma Channel Formation in Imploded Plasmas
505
§52. Continuous Recovery of Tritium and Heat from Laser Fusion Reactor, Koyo-fast
506
§53. Fundamental Study of Wave Propagation on Liquid Surface Related IFE Mirror
507
§54. Cu Wire Heated by Fast Electrons for Fast Ignition Study
508
§55. Physics of the Plasma-wall Boundaries in Inertial Fusion
509
§56. Potential Study of Ion Beam Driven Fast Ignition Laser Fusion
510
§57. Areal Density Measurements of Imploded Cone-in-shell Targets with High-energy K-alpha X-ray Backlighters
511
§58. Investigation of Proton Energy Deposition in Compressed Cu Doped CD Shell
512
§59. Evaluation of Liquid Metal Mirror for Heating Beam of Fast-Ignition, Laser-Fusion Plant
513
§60. Plasma Mirror for Proton Acceleration on LFEX Laser
514
§61. Development of Position Measurement Module for Flying IFE Target
515
§62. Progress on the Laser Driven Neutron and a New Approach to the Nuclear Science
516
§63. Stability of Fast Ignition Target after Release from Sabot
517
§64. Damage Study of Laser Fusion Reactor Wall Using Laser-accelerated Ions
518
§65. Formation of High Areal Density Core Plasma Using Slow Velocity Implosion
519
§66. Enhancement of Coupling Efficiency in Fast-ignition Laser Fusion by Controlling Self-generated and External Magnetic Field
520
§67. Recovery of Metal Impurities in Pb-17Li Impeller Induced Flow
521
§68. Steady State Non-inductive Plasma Operation and Particle Recycling under the Hot Wall in QUEST
522
§69. Development of a Near-infrared Interference Spectrometer for the Observation of Local Atomic Density and Velocity in the SOL of the QUEST Spherical Tokamak
523
§70. Development of a Thomson Scattering System for the QUEST Spherical Tokamak Device
524
§71. Simultaneous Measurements of Molecule Pressure and Atomic Flux in QUEST Divertor for Understanding of Neutral-plasma Interaction
525
§72. Development of High Speed Equilibrium Calculation Code with the Assistance of FPGA
526
§73. Behavior of Tritium Retention on Metallic Surfaces Exposed to Plasmas in QUEST
527
§74. Plasma Flow and Trigger Mechanism of Blob in the SOL Region
528
§75. Study of an Installation of the Tracer-Encapsulated Solid Pellet (TESPEL) Injector on QUEST for Measuring Various Physical Quantities
529
§76. Surface Condition Effects on Hydrogen Plasma-Driven Permeation through the First Wall in QUEST
530
§77. High Density ST Plasma Production by CT Injection in QUEST
531
§78. Power Balance Estimation Using Water Temperature Increment of Plasma Facing Component and Steady State Operation
532
§79. Proposal for the Operation of CHI on QUEST
533
§80. Current Ramp-up Experiments Using the Superposition of the Ohmic and RF Power in the Outer Divertor Configuration of QUEST
534
§81. Development of Multi-channel Detectors for Turbulence Tomography
535
§82. Microstructure and Thermal Desorption of Deuterium in Irradiated Pure Tungsten
536
§83. Collaborative Research on Electron Cyclotron Heating in High-density Plasmas Using the 28GHz High Power Gyrotron System
537
§84. Magnetic Measurement and Plasma Control of Long Discharge in QUEST
538
§85. Study of Temporal Response of Electron Supply from Plasmas to Fast Collection of Bulk Electron: Development of a Bias Electrode
539
§86. Study on PWI of QUEST with High Temperature All-Metal Wall for Active Particle Control
540
§87. Study on the Direction of Deposition in QUEST Using Directional Material Probes
541
§88. Studies on Removal/Recovery Techniques for Residual Tritium in Materials
542
§89. Evaluation of Tritium Doping Using Ultraviolet Irradiation for Laser Fusion Target
543
§90. Hydrogen Elements Adsorption Properties on Helium Irradiated Tungsten
544
§91. Helium Irradiation Effects on Tritium Retention and Long-term Tritium Release in Polycrystalline Tungsten
545
§92. Effects of Microstructure and Additional Elements of Tungsten on Bulk Diffusion and Retention
546
§93. Tritium Retention for Neutron Irradiated Tungsten at Higher Temperature
547
§94. Development of Measurement Method of Tritium in Dust
548
§95. Study on Effect of Conectration Effect on Catalytic Combustion of Hydrogen Isotopes
549
§96. Effects of Plasma Exposure on Hydrogen Isotope Retention by Plasmafacing Materials
550
§97. Effect of Carbon Impurity on Tritium Permeation and Retention Behavior for Tungsten First Wall for Helical Reactor
551
§98. Evaluation of Chemical Composition and Retained H and He at Plasma Facing Surfaces of LHD and QUEST
552
§99. Effects of Alloying Elements on Hydrogen Isotope Retention in Neutronirradiated Tungsten
553
§100. Correlation between Annihilation of Irradiation Defects and Tritium Retention for Neutron Irradiated W
554
§101. Effects of Neutron and Helium Irradiation on Deuterium Retention Behavior in ITER Grade Tungsten and Ferritic Steel
555
§102. Neutron Irradiation Effects on Joining and Coating of Fusion Blanket Materials
556
§103. Neutron Irradiation Effect on Superconducting Magnet Materials for Fusion
557
§104. Mechanical Property of Plasma Facing Materials Irradiated by Neutron/Ion
558
§105. Synergistic Effects of Neutron (ion) and Plasma on Material in QUEST

559 9. Activities of Rokkasho Research Centre

560 10. Research Enhancement Strategy Office

561
§1. Collaborative Research Enhancement
562
§2. Enhancement of the Research Activities of Young Scientists and Institutional Documentation of Research Publications
563
§3. Public Relations Activities

564 11. The Division of Health and Safety Promotion

566 12. Department of Information and Communication Systems

567
§1. Information Network Task Group

569 III. International Collaboration

571 1. US–Japan (Universities) Fusion Cooperation Program

572 2. TEXTOR Collaboration

574 3. International Collaboration on Helical Fusion Research
– IEA Implementing Agreement for Cooperation
in Development of the Stellarator-Heliotron Concept –

595 4. JSPS A3 (China, Japan and Korea) Foresight Program

597 5. Japan-China Collaboration for Fusion Research
(Post-CUP Collaboration)

598 6. Collaboration under Implement Agreement between
MEXT of Japan and the MOST of China for Cooperation
in the Area of Magnetic Fusion Energy Research and
Development and Related Fields (JWG)

599 7. Japan-Korea Fusion Collaboration Programs

600 IV. Department of Engineering and Technical Services

613 V. Department of Administration

616
APPENDIX 1. Organization of the Institute
617
APPENDIX 2. Members of Committees
618
APPENDIX 3. Advisors, Fellows, and Professors Emeriti
619
APPENDIX 4. List of Staff
625
APPENDIX 5. List of Publications I (NIFS Series)
629
APPENDIX 6. List of Publications II (Journals, etc.)

642
Author Index
653
National Institute for Fusion Science
654
How to Reach National Institute for Fusion Science
655
How to Reach Rokkasho Research Center
656
National Institute for Fusion Science (Building Arrangement)