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| About This Publication and the JAEA Organizational Outline | ||
| 1 | Research and Development Related to the Accident at the TEPCO’s Fukushima Daiichi NPS | |
| Assistance in Environmental Restoration and Decommissioning | ||
| 1-1 | Evaluation of Uranium Leaching from Fuel Debris in Water －Leaching Rate Evaluation Considering Effects of Concrete Components, and Comparison with Spent Fuel－ Akira Nakayoshi | |
| 1-2 | Distribution of Components in Fuel Debris －Segregation of Gadolinium and Iron during Solidification Using Simulated Molten Debris－ Ayako Sudo | |
| 1-3 | 50x Increase in Plasma Emission Intensity by Microwave －Advanced Remote Analysis Technology for Fuel Debris Using Laser-Induced Breakdown Spectroscopy－ Masaki Oba | |
| 1-4 | Clarifying the Warming Behavior of a Robot Test Pool －Measurement and Analysis toward Facility Utilization with User Needs－ Ryoki Arakawa | |
| 1-5 | 3D Reconstruction of Structures from Images －Development of Image Analysis Method to Support Remote Operation－ Toshihide Hanari | |
| 1-6 | Chemisorption of Cesium on Structural Materials during SA －Prediction and Verification of Thermodynamic Properties of Cesium Compounds－ Chikashi Suzuki | |
| 1-7 | Hydrogen Release from Geopolymer by Gamma Irradiation －Reduced Hydrogen Yield of Bulky, Solidified, Water-Saturated Waste－ Isao Yamagishi | |
| 1-8 | Accident Progression Analysis: Units 1−3 at the Fukushima Daiichi NPS －Insights from International Benchmark Analysis Project－ Hitoshi Tamaki | |
| 1-9 | Cause of Cesium Concentration Change in Fish －Three Transport Pathways from Forests to Fish－ Hiroshi Kurikami | |
| 1-10 | Fast and Easy Analysis of Tritium in Plants and Animals －Development of Rapid Organically Bound Tritium (OBT) Analysis in Marine Products－ Kenso Fujiwara | |
| 1-11 | How Does the Dose Rate Change after Decontamination? －Effects of Land Use Type Revealed from Long-Term Monitoring Data－ Shigeo Nakama | |
| 1-12 | Radiocesium Behavior in River System －Relationship between Mineral Species and Radiocesium in Riverbed Using Microscopy－ Hiroki Hagiwara | |
| 1-13 | Cause of Radioactivity Concentration in Mushrooms －Cesium Selectivity Evaluation of Mushroom Pigment Norbadione A－ Hiroya Suno | |
| 1-14 | Estimation of Total Radiocesium Discharged from Fukushima Daiichi NPS to the Coast －Discharge Inventory Decreased to Approximately 1/100000th Since the Accident－ Susumu Yamada | |
| 1-15 | Reconstruction of Atmospheric Release and Dispersion of Radioactive Materials by Computer Simulation －Contribution to the Refinement of Dose Assessment in the Early Stage of the Accident by Improving the Dispersion Calculation Optimization Method－ Hiroaki Terada | |
| 1-16 | Initial Air Dose Rate after the Accident at the Fukushima Daiichi NPS －Comparison between Fukushima and Chernobyl－ Kazuya Yoshimura | |
| 1-17 | Analyzing Decreasing Trends in Radioactivity and Dose Rate －Changes of Radiocesium Concentration in Soil and Air Dose Rate over Five Years－ Satoshi Mikami | |
| 1-18 | Assessment of External Exposure Doses in Daily Life －Development of Assessment Model Based on Local Radiation Surveys－ Shogo Takahara | |
| 2 | Research on Nuclear Safety and Emergency Preparedness | |
| Implementing Continuous Improvements in Safety and Emergency Preparedness | ||
| 2-1 | Measurement of Very Thin Liquid Film Thickness －Technical Development for the Evaluation of Liquid Film Dryout Behavior－ Yuki Wada | |
| 2-2 | Reliable Safety Evaluation for Reactivity-Initiated Accidents －Mechanical Property Evaluation of Fuel Cladding under Biaxial Stress Conditions－ Takeshi Mihara | |
| 2-3 | Effects of Stress on Oxidation near a Crack Tip －Toward an Understanding of the Mechanism of Environmentally-Assisted Cracking in Stainless Steel－ Kuniki Hata | |
| 2-4 | Preparing for Aftershocks After a Major Earthquake －Proposal of Risk Assessment Method Considering Large Aftershocks－ Byunghyun Choi | |
| 2-5 | Elucidating HEPA Filter Clogging under Organic Solvent Fire －Development of Severe Accident Assessment Method for Reprocessing Facilities－ Takuya Ono | |
| 2-6 | Rapidly and Widely Measuring Radiation from the Sky －Preparedness for Using Aerial Radiation Monitoring during a Nuclear Emergency－ Akira Futemma | |
| 3 | Advanced Scientific Research | |
| Advanced Science Pioneers the Future | ||
| 3-1 | Observing Giant Dipole Vibration in Fission Fragments －Toward Understanding the Fission Process－ Hiroyuki Makii | |
| 3-2 | Improving the Extraction Efficiency by Preventing Aggregation Phenomena of a Complex －Development of a Solvent Extraction Method Using the Strong Hydrophobicity of Fluorine－ Yuki Ueda | |
| 3-3 | Clarifying the Mechanism behind Superconductivity in Uranium Compounds －NMR Research to Reveal the Mechanism of Spin-Triplet Superconductivity－ Yo Tokunaga | |
| 3-4 | Detection of the Singularity of Magnets Using Rotation －Measuring the Angular Momentum Compensation, Key to Speeding Up Magnetic Devices－ Masaki Imai | |
| 3-5 | Closing in on the Longstanding Puzzle of Localized Electrons in an Electron-Conducting Oxide －Using Muons to Unveil the Nature of Localized Electrons in Hydrogen-Doped SrTiO3－ Takashi Ito | |
| 3-6 | Revealing Unique Nucleus Shapes by Nuclear Reactions －Cluster Structure and Its Probability－ Kazuki Yoshida | |
| 4 | Nuclear Science and Engineering Research | |
| Fundamental Technologies for Nuclear Energy Innovation | ||
| 4-1 | Development of Photonuclear Data Library for International Contribution －Accomplishment of a Reliable Database Supporting the Use of Photonuclear Reactions－ Nobuyuki Iwamoto | |
| 4-2 | Development of Nuclear Data for LLFP Transmutation －Models to Predict the Nuclear Cross-Section of Long-Lived Fission Products (LLFPs)－ Futoshi Minato | |
| 4-3 | Accelerated Corrosion of Low-Alloy Steel at the Air/Solution Interface －Clarification of Corrosion Acceleration Mechanism from Structural Analysis of Rust Layer－ Kyohei Otani | |
| 4-4 | Extension of Applicable Range of ESR Dosimetry via Enamel Separation Techniques －External Exposure Dose Estimation of Wild Japanese Macaque in Fukushima Prefecture－ Toshitaka Oka | |
| 4-5 | Real-Time Estimation of Radiation Dose at Flight Altitudes －Development of Warning System for Aviation Exposure to Solar Energetic Particles (SEPs)－ Tatsuhiko Sato | |
| 4-6 | Separation of Minor Actinides Using Incinerable Extractants －Recovery of Minor Actinides and Rare Earth Elements in a Concrete Cell－ Yasutoshi Ban | |
| 4-7 | Validation of Nuclear Design Accuracy for ADS －Critical Experiment with Plutonium Fuel－ Akito Oizumi | |
| 4-8 | Development of Beam Window Materials for ADSs －Post-Irradiation Examination of Beam Window Materials through International Project－ Shigeru Saito | |
| 5 | Applied Neutron and Synchrotron Radiation Research and Development | |
| Contributions to Developments in Science, Technology, and Academic Research | ||
| 5-1 | Toward Upgrading High-Intensity Proton Accelerators －A Radio Frequency Quadrupole Linac Using a New Beam Dynamics Design Scheme－ Yasuhiro Kondo | |
| 5-2 | Detection of Change in Hydrogen Bond in the Deep Earth －Direct Observation of Symmetrization at High Pressure by Neutron Diffraction－ Asami Sano | |
| 5-3 | Mitigation of Damage to the Target Vessel Wall －Enabled High-Power Spallation Neutron Target by Double-Walled Structure－ Takashi Naoe | |
| 5-4 | Enabling Material Analysis with Neutron Beams at Manufacturing Sites －Texture Measurement of Steel Materials Using a Compact Neutron Source－ Pingguang Xu | |
| 5-5 | Elucidation of Structural Fluctuations of Proteins －Observation of Structure and Dynamics of Protein by Neutron Scattering－ Hiroshi Nakagawa | |
| 5-6 | Structural Analysis of Ionic Liquid–Electrode Interface －Nano-Scale Analysis of the Interfacial Structure Using a Quantum Beam－ Kazuhisa Tamura | |
| 5-7 | Toward Next-Generation Memory with Low Power Consumption －Observation of Electronic Structure of Alumina Film for Nonvolatile Memory－ Masato Kubota | |
| 5-8 | Observation of Electrons in Unconventional Uranium Superconductor －First Observation of the Electronic Structure of UTe2－ Shin-ichi Fujimori | |
| 6 | HTGR Hydrogen and Heat Application Research | |
| Research and Development on HTGR, Hydrogen Production, and Heat Application Technologies | ||
| 6-1 | Whole Core Burnup Characteristic Evaluation Method Using Representative Impurities －Cost Reduction for HTGRs Using Inexpensive Graphite Materials－ Shoichiro Okita | |
| 6-2 | A Threefold Increase in Burnup of HTGR Fuel －Development on High-Burnup HTGR Fuel under International Cooperation－ Koei Sasaki | |
| 6-3 | Toward Harmonization with Renewable Energy －HTGR Concept for Accomplishing Hybrid Operation with Renewable Energy－ Hiroyuki Sato | |
| 6-4 | Toward Commercial Implementation of the IS Process with HTGRs for Hydrogen Production －Development of Strength Evaluation Method for Ceramic Structures－ Hiroaki Takegami | |
| 6-5 | Toward Metallic Sulfuric Acid Decomposers in the IS Process －Development of a Corrosion Test Apparatus without Sulfur Dioxide (SO2) Leakage－ Noriaki Hirota | |
| 6-6 | Toward Stable and Continuous Hydrogen Production by the IS Process －Development of a Pump Shaft Seal Technology for HI Solution Including Highly Concentrated I2－ Hiroki Noguchi | |
| 6-7 | Impact of Exhaust Stack Collapse on the Reactor Building －Confirmation of the Integrity of the Reactor Building by 3D Model Collision Analysis－ Masato Ono | |
| 7 | Research and Development of Fast Reactors | |
| Enhancing the Ability of Research and Development | ||
| 7-1 | Toward Efficient Manufacturing of the Above-Core Structure －Routing Study of the Above-Core Structure with a Mock-Up Experiment－ Kazuya Takano | |
| 7-2 | Reliable Decay Heat Removal by Natural Convection －Core Cooling Experiment Using Dipped DHX and Development of Evaluation Method－ Toshiki Ezure | |
| 7-3 | Development of Fuel Assembly Analysis Method in Fast Reactors －Prediction of Thermal Hydraulics in Fuel Assembly with Inner Duct Structure (FAIDUS)－ Norihiro Kikuchi | |
| 7-4 | Development of Ultra-High Temperature Tolerant Fuel Claddings －Mechanical Properties of Oxide Dispersion Strengthened Steel Claddings at 1000 ℃－ Yasuhide Yano | |
| 7-5 | Exploring an Ignition Mechanism of Hydrogen with Burning Sodium Mist －Visualizing the Ignition Process of Hydrogen Jets Containing Mist Caused by Sodium Leaks in Severe Accidents－ Daisuke Doi | |
| 8 | Research and Development on Fuel Reprocessing, Decommissioning, and Radioactive Waste Management | |
| Toward Decommissioning Nuclear Facilities and Managing Radioactive Waste | ||
| 8-1 | Toward Public Use of the Decommissioning Cost Estimation Code DECOST －Development of a Manual for the DECOST－ Nobuo Takahashi | |
| 8-2 | Radioactive Waste Confirmation Method for Rational Disposal －Study on the Evaluation Methodology of Wastes Generated from Post-Irradiation Examination Facilities－ Akina Mitsukai | |
| 8-3 | Complex Biological Effect of Low-Dose Radiation －Feature Extraction of Multidimensional Data Using Machine Learning－ Norie Kanzaki | |
| 8-4 | Radioactive Liquid Waste Management Technologies －STRAD Project for the Treatment of Radioactive Liquid Waste-Containing Chemicals－ Sou Watanabe and Haruka Aihara | |
| 8-5 | Assessing Underground Fracture Connectivity from the Surface －Development of a Single Borehole Investigation Method－ Eiichi Ishii | |
| 8-6 | Change in Permeability after Backfilling a Research Tunnel －Change in Hydraulic Conductivity in the Simulated Realistic Disposal Environment－ Nobukatsu Miyara | |
| 8-7 | Chemical Signatures Suggesting Recent Fault Activity －Detection of Elemental Changes due to Fault Activity－ Masakazu Niwa | |
| 8-8 | Visualization of Long-Term Variability in Groundwater Flow Conditions －Development of Evaluation Method for Variability of Groundwater Flow Conditions－ Hironori Onoe | |
| 8-9 | Mechanical Modeling of Buffer Materials －Applicability of Elasto-Plastic Constitutive Model under Saltwater Conditions－ Yusuke Takayama | |
| 8-10 | Unveiling the Interaction Mechanism of Fe (II) and Si －Characterization of Ferrous Silicate Co-Precipitates under Reducing Conditions－ Paul Clarence M. Francisco | |
| 8-11 | Analysis of Radioactive Samples by Plasma Generated in the Microchannel －Determination of Cesium in Highly Radioactive Liquid Waste by Liquid Electrode Plasma Optical Emission Spectrometry－ Noriyasu Kodaka | |
| 9 | Computational Science and E-Systems Research | |
| Computational Science for Nuclear Research and Development | ||
| 9-1 | CFD Simulation of a Fuel Debris Air-Cooling Experiment －Validation of a Thermal-Hydraulic Model Using the Lattice Boltzmann Method－ Naoyuki Onodera | |
| 9-2 | Using Computer Simulations to Design a Superconducting Neutron Microscope －Simulating All Radiation Types inside the Neutron Microscope and Predicting Its Behavior－ Alex Malins | |
| 9-3 | Understanding the Deformation of Iron from the Movement of Atoms －Analysis of Screw-Dislocation Motion and Slip-Plane Transition by Atomistic Simulations－ Tomoaki Suzudo | |
| 9-4 | Multi-Phase Fluid Simulations Using the World’s Largest GPU Supercomputer －Development of Communication-Avoiding Matrix Solvers on GPU－ Yasuhiro Idomura | |
| 10 | Development of Science & Technology for Nuclear Nonproliferation | |
| Development of Technology and Human Capacity Building in the Nuclear Nonproliferation and Nuclear Security Fields to Support the Peaceful Use of Nuclear Energy | ||
| 10-1 | Nondestructive Assay of Nuclear Materials for Safeguards －Developing Practical Delayed Gamma-ray Spectroscopy Using PUNITA－ Tomoki Yamaguchi and Douglas Chase Rodriguez |
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