Annual Research Report 2004 Contents

Ⅰ Principal Research Results

Promotive Subjects

A.Cost Reduction and Ensuring Reliability

[Diagnosis and life evaluation of power delivery apparatus]

• Development of Methods to Judge the Reusability of Hardware Using Rust Pictures (PDF File 92KB)

[Maintenance and management of light water reactors]

• Development of Flaw Evaluation Method for Class 2 and 3 Light Water Reactor Piping (PDF File 71KB)

[Gas turbine hot gas path parts maintenance technology]

• Development of the Temperature Prediction Method for Hot Gas Path Parts of 1300 °C Class Gas Turbines (PDF File 226KB)
• Optimal Rotation Planning Method for Gas Turbine Hot Gas Path Parts (PDF File 64KB)

[Advanced diagnosis technology for components in aged thermal power plants]

• Clarification of Creep Void Growth Behavior on Steam Turbine Rotor Material and Development of Creep Void Growth Simulation Program (PDF File 214KB)
• Development of Advanced Ultrasonic Inspection System for High Energy Steam Piping (PDF File 230KB)

[Maintenance technology of electric facilities based on risk management approach]

• Rationalization of the Inspection for a Spillway Radial Gate based on the Maintenance History Record (PDF File 107KB)

B. Creation of Integrated Energy Service

[Comprehensive evaluation for diffusion effects of distributed power generation]

• Air Quality Impact Assessment for the Cogeneration Systems in Urban Area (PDF File 739KB)

[Design of demand area network]

• Development of Loop Power Flow Controller for Autonomous Demand Area Power System
  -Demonstration and Estimation of Distributed Control Using Local Information- (PDF File 314KB)

[Development of SiC power diodes]

• Investigation of Forward Voltage Degradation of Silicon Carbide (SiC) pn Diode and Fabrication of High Voltage SiC pn Diode (PDF File 66KB)

C. Harmonization of Energy and Environment

[Analyses of countermeasure and CDM devised to deal with global warming]

• Scenario Analyses for the Future Climate Regime (PDF File 52KB)
• Availability of CO₂ Emissions and Electricity Trading Markets and Their Impacts on CO₂
  Abatement Costs: Based on Market Trading Experiments among Virtual Utility Firms (PDF File 285KB)
• The Impacts of Decreasing CO₂ Emission by Changing Tax System in Japan (PDF File 61KB)

[Development of prediction method and countermeasure against global warming]

• Development of Atmosphere-Ocean Coupled Model for Global Warming Projection (PDF File 238KB)
• Development of a High Resolution Global Ocean Model for Prediction of Marine Environment Changes (PDF File 263KB)
• Carbon Migration in Deciduous Forest - Soil System
  -Carbon Storage and Soil Respiration- (PDF File 178KB)

[Clarification of trace elements behavior and their risks]

• Annual Changes in Wet Deposition Fluxes of Trace Metals and Scavenging of Mercury by Precipitation in an Urban Area (PDF File 101KB)
• Inhalation Risk Assessment of Trace Elements Emitted from Coal-fired Power Plants (PDF File 82KB)

[Development of metallic fuel and pyro-process fuel cycle]

• High Throughput Electrorefining of Uranium in Pyro-reprocessing (PDF File 225KB)
• The Spent Fuel Integrity during Dry Storage
  -An Evaluation of Hydrogen Migration in Cladding Existing Axila Temperature Gradient- (PDF File 574KB)
• Electro-chemical Reduction of UO₂ Fuel and MOX Fuel (PDF File 731KB)

[Assessment of biological effects of low-level radiation]

• Enhancement of Tumor Rejection in Mice by Low Dose-rate γ Irradiation (PDF File 75KB)

[Establishment of advanced pulverized coal combustion technology]

• The Functions and the Characteristics of Combustion and Flue Gas Treatment on the Coal Combustion Characteristic Evaluation Test Facility
  -The Role on the Development of the Advanced Pulverized Coal Combustion Power Generation Technology- (PDF File 141KB)
• Development of Technique for Evaluating Coal Adaptability to Power Plants
  -Evaluation Method for Grindability and Emission Characteristics of NOx and Unburned Carbon in Fly Ash in Partial Load Combustion- (PDF File 147KB)

[Effective utilization of biomass energy]

• Development of High-efficiency Gasification Technology for Biomass & Waste
  -Study on Operating Condition for High Thermal Efficiency and Stability Controlling Tar Formation- (PDF File 756KB)

Base Research Subjects

1. Socio-economy

[Support for management strategies]

• Management Strategies of Energy Supply Companies in a Competitive Environment (PDF File 65KB)
• Impact of the 2003 North America Blackout on Commercial/Industrial Customers of Electric Power Companies (PDF File 141KB)

[Clarification of management environments]

• The World Energy Supply and Demand Projections to 2050 (PDF File 299KB)
• The Effects of Aging Population on Regional Economy and Electricity Demand
  -Longer-term Simulation Analysis to 2050- (PDF File 300KB)

2. Environment

[Measures to regional environmental problems]

• Wind Tunnel Experiment for Predicting the Visible Plume Region from a Wet Cooling Tower
  -Toward the Application of an Environmental Impact Assessment- (PDF File 121KB)
• Development of Simple Analytical Method for Trace Chemical Substances such as PCB Using High Temperature Thermal Degradation (PDF File 125KB)

[Coexistence with the environment]

• Development of a New Ecosystem Research Method Using DNA Analysis (PDF File 369KB)

3. Power Delivery

[Cost reduction and ensuring reliability of power delivering]

• Development of an Analysis System for Voltage Dip Measures (PDF File 215KB)
• Development of Analytical Software to Predict Influence of Voltage Dips by Lightning Faults (PDF File 130KB)
• Development of ATC Evaluation Method with Dynamic Stability Constraints
  -Development of Efficient Contingency Screening Method- (PDF File 97KB)
• Power System Dynamic Simulation Method for Integrated Simulations of Active Power Control and Reactive Power Control
  -Development of a Computer Program for Dynamic Simulations of Electric Power Systems under Long-term Change in System Generations and Loads- (PDF File 279KB)

[Harmonization of power delivery apparatus systems and society]

• Development of New Method for Three-Dimensional Electromagnetic Field Analysis (PDF File 266KB)

[Development of new technology of transmission facilities]

• Evaluation of Realizability of High-T_c SMES (PDF File 233KB)

4. Nuclear

[Improvement of economics and reliability of LWR power generation]

• Development and Operation of a Nuclear Information System for Public Use Nuclear Information Archives (NUCIA) (PDF File 120KB)
• Development of BWR Regional Stability Experimental Facility SIRIUS-F, which Simulates Thermalhydraulics-Neutronics Coupling in Reactor Core, and Stability Evaluation of ABWR (PDF File 114KB)
• Water Chemistry Guidelines of Light Water Reactors (PDF File 67KB)
• Development of an Education Support System for Maintenance by a Navigation Method
  -A Paper Prototype System of Education Support for Maintenance of RHR Pumps- (PDF File 236KB)

[Concept of advanced reactors]

• The Sodium Cooled Small Sealed Fast Reactor (4S) with Non-refueling (PDF File 541KB)
• Development Scenario of Fusion Energy following the ITER Project (PDF File 181KB)

5. Fossil Fuel Power Generation

[Diversification and clean utilization of fossil fuels]

• Evaluation of Operating Condition of Air-blown Coal Gasifier Using CFD Tool
  -Gasification Performance and Molten Slag Discharge under Low Air Ratio- (PDF File 430KB)

[Improving the efficiency of thermal power generation]

• "Energy Chain", A New Concept in Evaluating Future Energy Conservation and Greenhouse Abatement Alternatives and Effectiveness (PDF File 166KB)
• Development of Lifetime Estimation Method for MCFC (PDF File 88KB)
• R&D on All Ceramics SOFC with High Power Density under 1,000 °C Operation (PDF File 346KB)

6. New Energy

[Utilization of natural and unutilized energy]

• A Concept of 500 kWe Thermoelectric Power Conversion System to Make Use of Waste Heat of PWR Power Plant (PDF File 384KB)

7. Information and Communication

[Utilization of communication networks]

• Development of Method for Estimating Interference of Power Transmission Line with Terrestrial Digital Television Broadcasting Waves (PDF File 401KB)

8. Construction and Preservation of Electric Facilities

[Measures against natural disasters]

• A Wind Tunnel Study on Aerodynamic Characteristics of Ice Accreted Transmission Lines (PDF File 302KB)
• Verification of Ensemble Ocean Wave Prediction using Ensemble Weather Prediction Results (PDF File 198KB)

[Rationalization of construction and maintenance of electric facilities]

• Increasing Development of Paleoseismic Investigation Method for Seismic Hazard Assessment of Large Active Fault Systems
  -Evolution of Fault Systems and Associated Geomorphic Structures: Fault Model Test and Field Survey- (PDF File 173KB)

9. Advanced Basic Technologies

[Computer science]

• Development of Multiscale Turbulent Flow Analysis Code by Finite Element Method (PDF File 583KB)
• A Development of Virtual Reality Training System
  -An Application to Ordinary Missions of Electric Industry- (PDF File 481KB)

[Bio-science]

• A Biosensor for Detection of PCBs in Transformer Oil (PDF File 87KB)

[Material science]

• Charge Dynamics at the Interface of Organic/Inorganic Composites: Best-performing Organic Field-effect Transistors Featuring Organic Crystalline Surfaces (PDF File 86KB)
• Development of Visible Light Photocatalyst with Superior Durability and High Catalytic Activity, 'Fresh Green' (PDF File 154KB)

[Nano-technology]

• R & D on Analysis of Trace Metal Elements and Chemical Forms by Synchrotron Radiation (PDF File 194KB)

[High temperature super conductivity]

• Addressing the Mechanism of High-Temperature Superconductivity (PDF File 205KB)

[Laser and plasma science]

• Developments of Laser-driven Ion Sources using T-cubed Laser (PDF File 137KB)

Ⅱ Principal New Equipments in Fiscal 2003

• Hybrid-type Power System Simulator (PDF File 156KB)
• Conductivity Examination Equipment of Cement Material (PDF File 156KB)
• Gas Chromatograph Mass Spectrometer (PDF File 124KB)
• Inductively Coupled Plasma-Atomic Emission Spectrometry (PDF File 124KB)
• Closed Greenhouse for Genetically Modified Plants (PDF File 124KB)
• 1600kV Impulse Voltage Generator (PDF File 126KB)
• 200kV Testing Transformer (PDF File 126KB)
• High Speed Video Camera (PDF File 126KB)
• Basic Research Equipment of Gas-insulated Bus Model using High Pressure SF₆ Substitute (PDF File 153KB)
• Coal Gasification Facility for Advanced Basic Research (FRONTIA)
  (FRONTIA : Forefront Research Gasifier for Development of Novel Technology and Innovative Application) (PDF File 153KB)
• Nondestructive Inspection System for Detecting Internal Flaws (PDF File 153KB)
• 3-dimensional Atom Probe (PDF File 90KB)
• Hybrid Test Facilities of Demand Area Power System (PDF File 90KB)