JAEA R&D Navigator
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April 16, 2025

Integrating Quadrupole and Octupole Magnetic Fields
-Enhancing Beam Strength and Stability-

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April 11, 2025

JAEA Has Confirmed the Safety of a Pool-Type SFR Under an In-Vessel Pipe Break

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March 31, 2025

Completion of CT Principle-Based In-Core Power Distribution Measurement Technology
-Demonstration of Principle Through Critical Experiments-

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March 31, 2025

Development of an Evaluation Method for Radioactive Waste with Unknown Contamination Characteristics
-Evaluation Method for Concrete Waste Generated from the Japan Power Demonstration Reactor-

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March 31, 2025

Towards an Understanding Atomization Mechanisms of Wall-Impinging Jet using Detailed Numerical Simulation and Theories

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March 31, 2025

Hierarchization of Nanocrystal Aggregates via Depletion Attraction
-The Way to Advanced Ceramics Processing Technology-

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March 31, 2025

Toward In-Situ Evaluation of Radiocesium Distribution in Irrigation Pond
-Effects of Changes in Depth Distribution of Radiocesium in Bottom Sediment Over Time-

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March 31, 2025

Enhancing the Safety of Reprocessing Plants
-Identification of the Chemical Form of Gaseous Ru Compound Released During Evaporation-to-Dryness Accidents-

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March 31, 2025

Modeling Hydrogen Generation and Release from Geopolymer Under γ-Ray Irradiation
-Confirmation of the Effectiveness of Geopolymer Immobilization of Radioactive Waste-

e2024_1_5_1-portal

March 31, 2025

Development and Validation of an Analysis Model of a Helium-Heated Steam Reformer
-Numerical Modeling of a Chemical Reactor Utilizing Heat from a Nuclear Reactor-

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March 31, 2025

Measuring Radiation from the Sky
-A Decade of Ambient Dose Equivalent Rates Observations Around TEPCO’s Fukushima Daiichi Nuclear Power Station-

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March 31, 2025

Approaches to Improve the Feasibility of Thyroid Measurement in the Case of a Nuclear Accident
-Consideration of Methods for Reviewing of Thyroid Measurement Screening Level-

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March 31, 2025

For Reliable Shielding Design of Fast Reactors
-Evaluation of Calculation Accuracy for Neutron Fluence in Core Support Plate with “Monju” Data-

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March 31, 2025

Imaging Distribution of Trace Elements on Solid Surfaces
-A Highly Sensitive Imaging Method Using Laser Ablation and Isotopic Analysis-

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March 10, 2025

Estimate the Increase of the Number of Neutrons Without Measuring Neutrons
-A Criticality Monitoring Method Based on the Activity Ratio of Short Half-Life Noble-Gas Fission Products-

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March 10, 2025

Countermeasure to Prevent an Increase in Filter Differential Pressure in HTTR Helium Gas Circulators
-Identifying Dust Contributing to Increase in Filter Differential Pressure-

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March 10, 2025

Key Technology for Efficient-Hydrogen-Production Chemical Rector
-Proposal of an Easy Sealing Method for Brittle Ceramics Membrane Tubes-

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March 10, 2025

Development of Environmentally Friendly Thermoelectric Materials Using Clay Minerals
-A Challenge for Novel Thermoelectric Conversion Technology at High Temperatures-

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February 14, 2025

Are Laser Light Beams Optical Rays or Waves?
-Stochastic Ray Tracing, a New Representation of Light-

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February 14, 2025

Nuclear-Material Classification and Unknown-Material Detection via Electron Microscope Image Analysis for Nuclear Forensics-A Novel Nuclear-Material Identification Technique Using Deep Metric Learning Models-

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February 14, 2025

Separation of Materials via Thermal Forces
-Theoretical Prediction of Flow Induced by Temperature Gradients Near the Solid-Liquid Interface-

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February 14, 2025

How Do Graphene and Gold Join “Electronic Hands”?
-Revealing the Conditions for Chemical Bond Formation Between Graphene and Gold-

e2024_5_3_1-portal

February 7, 2025

Revisiting Phase Transformation in Steels by In-Situ Neutron Diffraction
-Change in Lattice Parameters During Martensitic Transformation-

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February 7, 2025

Toward a Simple Analysis of the Difficult-To-Measure Nuclide Calcium-41 Contained in Concrete Waste-Selective Ionization of Odd Calcium Isotopes Using Electronic-Level Specificity-

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February 7, 2025

Predicting the Optimal Fabrication Process for Mixed Oxide Fuel Using Machine Learning

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February 7, 2025

Improving the Prediction Accuracy of Neutronic Properties in High-Temperature Gas-Cooled Reactors-Evaluation of Inelastic-Scattering Cross-Section Data for Crystalline Graphite-

e2024_1_3_1-portal

January 30, 2025

Steelmaking Using Hydrogen Produced Using High-Temperature Gas-Cooled Reactors
-Contribution to Carbon Neutrality Through CO2 Emission Reductions from Steelmaking-

e2024_5_6_1-portal

January 30, 2025

Improving the Performance of Hydrogen Safety Management by Synchrotron X-Ray Study
-Development of Hydrogen Recombination Catalysts to Mitigate Carbon Monoxide Poisoning-

e2024_6_1_1-portal

January 30, 2025

Development of GPU-Driven Fast Assimilation of Fluid Analysis and Observation Data

e2024_4_3_1-portal

January 30, 2025

Evaluation of Stainless Steel Corrosion in Spent Nuclear Fuel Reprocessing Processes-Development of Evaluation Method for Corrosion of High-Radioactive Level Liquid Waste Concentrator Based on Corrosion Mechanism-

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January 7, 2025

Aiming to Reduce Exposure Dose During Decontamination and House Demolition-Data Analysis of Exposure Dose During Demolition Work in a Hard-To-Return Zone-

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January 7, 2025

Towards Developing Minor Actinides Transmutation Systems-Improving the Accuracy of the Experimental Nuclear Data for 241Am at J-PARC

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January 7, 2025

Assessment of Groundwater Flow Through Fractures Using the Isotopic Composition of Groundwater

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January 7, 2025

Reproducing the Complex Atomic Structure of Glass through High-Speed and Accurate Atomic Simulation

e2024_3_3_1-portal

November 29, 2024

Observation of Nuclear Shape Using Electron Spectroscopy

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November 29, 2024

Measurement of Nano-Ice Crystals in Rapidly Frozen Aqueous Solutions by Neutron and Proton Spins
-For the Development of Cryopreservation Technology of Foods, Medical Products, and Cells-

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November 29, 2024

What is the Behavior of Metal Ions in Soil?
-Investigation by Molecular-Scale Simulations and Experiments-

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November 29, 2024

Development of In Situ Visualization and Control Techniques for Large-Scale Nuclear Simulations

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November 20, 2024

Development of Test Methods for Evaluating the Mobility of UAS in GNSS-Denied Environment

4-6-1-portal

November 20, 2024

Development of a Rapid Methodology to Estimate Terrestrial Soft Error Rate
-For the Realization of a Safe and Secure Super-Smart Society-

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November 20, 2024

Analysis of Hydrogen Behavior as an Embrittlement Factor in Steel Materials
-Numerical Simulation of Thermal Desorption Spectra to Estimate Hydrogen Trapping State-

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November 20, 2024

Reduction of Photogrammetric Computation Load in Decommissioning Workspace Modeling-Sequential Integration of Local Three-Dimensional Models Reconstructed from Image Sequences-

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October 25, 2024

Heat Transfer During Rapid Cooling of Reactor Pressure Vessels-Evaluation of Downward Convective Heat Transfer under Buoyancy Effect-

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October 25, 2024

Development of a Liquid-He-Free Extreme Sample Environment for Neutron Scattering-Safe, Simple, Stable, and Cost-Effective Low-Temperature High-Magnetic-Field Environment-

10-1-1-portal

October 25, 2024

Detecting the Pathways of Upwelling Mantle-Derived Fluids Using Seismic Anisotropy

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October 25, 2024

Tracking the Movement of Free-Surface Flows-Improvement of Stability and Accuracy in Particle Methods-

10-3-1-portal

October 10, 2024

Development of a Novel and Simple Hydraulic Testing Method

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October 10, 2024

Delayed Overheating of the Reactor Core to Prevent Progression to a Severe Accident-High-Temperature Oxidation Resistance of New Fuel Cladding Materials-

8-4-1-portal

September 26, 2024

Three-Dimensional Visualization of Radioactive Contamination inside the Reactor Building of Fukushima Daiichi Nuclear Power Station

3-2-1-portal

September 26, 2024

Why are Uranium Superconductors Robust to Magnetic Fields?-Elucidating a New Mechanism of Superconductivity-

8-3-1-portal

September 26, 2024

Optical-Fiber Based Measurement of the Radiation Distribution Inside the High Dose Rate Environment of Fukushima Daiichi Nuclear Power Station

3-1-1-portal

September 26, 2024

Drastic Miniaturization of Inductors
-Theoretical Proposal with the Heterostructure of Insulator Thin Films-

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September 26, 2024

Analytical Method for Visualizing the Distribution of Trace Uranium in the Environment Using Superconducting Technology

4-4-1-portal

September 26, 2024

Origin of Unique Mechanical Properties of Refractory High-Entropy Alloys

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