Annual Research Report 2007 Contents

• On the Publication of the Annual Research Report 2007 (PDF File 227KB)

Ⅰ Principal Research Results

General Overview

A. Promoted Project Subjects / Project Subjects

• Nuclear Technology: Supporting Foundations for a Stable Supply (PDF File 146KB)
• Advanced Maintenance Technology: Rational Operation of Electric Facilities (PDF File 88KB)
• Environmental and Innovative Technology: Sustainable Use of Fossil Fuels and New Energy (PDF File 85KB)
• Optimum Energy Application Technology: Contributing to More Comfortable Living (PDF File 63KB)
• Social and Business Risk Management: Contributing to More Comfortable and Safer Communities (PDF File 91KB)

B. Base Research Subjects

• Socio-Economic Research Center (PDF File 53KB)
• System Engineering Research Laboratory (PDF File 48KB)
• Nuclear Technology Research Laboratory (PDF File 116KB)
• Civil Engineering Research Laboratory (PDF File 51KB)
• Environmental Science Research Laboratory (PDF File 51KB)
• Electric Power Engineering Research Laboratory (PDF File 65KB)
• Energy Engineering Research Laboratory (PDF File 61KB)
• Material Science Research Laboratory (PDF File 50KB)

Research Fields

1. Socio-economy

• Analysis of government-sponsored energy R&D projects -Lessons from Sunshine, Moonlight, and New-Sunshine Programs- (PDF File 76KB)
• Impact of Supply Reliability and Blackout on Residential and Business Customers of Electric Power Companies in Japan (PDF File 101KB)
• Effectiveness of Liberalizing Retail Electricity Market for Small Customers -Issues in Metering System and Customers Switching Cost- (PDF File 86KB)
• Electrification and climate change mitigation -A scenario analysis of Japanese energy systems in the 21stcentury- (PDF File 219KB)
• Optimal Technology Choice of Residential Hot Water Supply Equipment Based on Load Survey Data (PDF File 90KB)
• Development of Human Error Pattern Self-diagnostic Questionnaire (PDF File 93KB)

2. Environment

• Feasibility of CO₂ Geological Sequestration near Large-Scale Emission Sources in Japan (PDF File 246KB)
• Removal of Selenium Oxyanions in Wastewater by Using a Bacterial Community (PDF File 92KB)
• Simplified denitrification system using alcohol released from non-porous polyethylene-film bag (PDF File 82KB)
• Development and Demonstration of Online Boron Monitor (PDF File 186KB)
• Natural analogue for behavior observation of liquid CO₂ in the ocean (PDF File 316KB)
• Evaluation of Biological Effects of Intermediate Frequency Magnetic Fields -Micronucleus formation and chick embryo development- (PDF File 106KB)
• Simplified Model of Environmental Impact Assessment Concerned with Atmosphere and Ocean -Simplification of Atmospheric Observation and Simple Setting Method of Oceanic Diffusion Coefficient- (PDF File 119KB)
• Air Quality Impact Assessment for Prevalence of Cogeneration Systems -A Case Study for Environmental Concentrations of Nitrogen Oxides within Tokyo's 23 Wards- (PDF File 2.65MB)
• Global warming projection based on high-emission scenarios assuming expanding use of coals in developing countries (PDF File 122KB)

3. Energy Services for Customer

• Practical application of design tool for indoor thermal environments for houses -Calculation method of load associated with air-conditioning and thermal comfort of multiple rooms- (PDF File 320KB)
• Thermal Efficiency of Integrated Coal Gasification Power Generation Systems with CO₂ Capture (PDF File 86KB)
• Thermodynamic Analysis of Heat Pump Cycle for Hot Water Supply -Definition of Ideal Cycle and Evaluation of Hopeful Refrigerant- (PDF File 227KB)
• Development of Evaluation Test Methods for High Power Lithium Ion Batteries for Application to Fuel Cell Electric Vehicles (PDF File 176KB)

4. Power Delivery

• Development of Power System Fault Locating Method using Voltage Sag Data -Development of Prototype Tool for Fault Location and Evaluation using Practical Power System Data- (PDF File 116KB)
• Development of Methods to Control Voltage in Autonomous Demand Area Power System -Voltage Control Method by use of Distributed Generators- (PDF File 129KB)
• Decision of Replacement Time by Executing Insulation Tests to Aged Electric Power Apparatus -Estimation of Cumulative Insulation Fault Probability under Different Levels of Voltage Application- (PDF File 171KB)
• Study of decision support programs for maintenance strategy of electric power equipment (PDF File 184KB)
• Direct Lightning Hits to Wind Turbines in Winter Season -Lightning Observation Result for Wind Turbines at Nikaho Wind Park in 2005 Winter- (PDF File 114KB)
• Development of simple evaluation method for human exposure to magnetic fields near electric power facilities (PDF File 147KB)
• Development of Current Interruption Simulation Model of Fault Current Interrupting Arcing Horns for 60 kV Class Overhead Transmission Lines (PDF File 249KB)
• Thermal oxidation simulation of silicon carbide (SiC) semiconductor (PDF File 272KB)

5. Nuclear

• Quantitative Evaluation of Effective Factors on Flow Accelerated Corrosion -Correlation of Hydraulic Factors and Thinning Rate- (PDF File 339KB)
• Development of Procedure for Analysis of Common Cause Failures for Probabilistic Safety Assessment and Its Application to Japanese Nuclear Power Plants (PDF File 72KB)
• Development of U-Pu-Zr Metallic Fuel Fabrication Technology for Fast Reactor (PDF File 188KB)
• Engineering scale development of electrometallurgical reprocessing (PDF File 198KB)
• Concept of the sodium cooled small fast reactor 4S and safety evaluation (PDF File 150KB)
• Development of analytical method for ground water -Estimation of isotopic composition of pore water- (PDF File 103KB)
• Establishment of Ultrasonic Test Procedure for Dissimilar Metal Weld of PWR Pressurizer Nozzle to Safe-end (PDF File 206KB)
• Evaluation of Integrity against Stress Corrosion Cracking of Canister for Concrete Cask for Spent Nuclear Fuel Storage (PDF File 216KB)

6. Fossil Fuel Power Generation

• Application of laser ultrasound to non-contact temperature measurement of high temperature metals (PDF File 189KB)
• Development of Simplified Evaluation Methods of Structural Design and Remaining Life Assessment for Thermal and Nuclear Power Components (PDF File 292KB)
• Prediction of gasification characteristics of the gasifier in a demonstration plant by numerical simulation (PDF File 252KB)
• Development of foaming technique to promote utilization of coal gasification slag -Improvement of foaming characteristics of slag by addition of fly ash- (PDF File 278KB)
• Super Energy-Saving Dewatering of Sewage Sludge using DME (PDF File 185KB)
• Development of Power Plant Performance Degradation Diagnosis Technique based on Heat and Mass Balance Analysis (PDF File 455KB)
• Development of creep damage evaluation method of Mod.9Cr-1Mo steel weld joint for USC boiler steam piping (PDF File 184KB)
• Biaxial fatigue life evaluation method of DS superalloy for 1300℃class gas turbine blades and development of simplified blade life assessment program (PDF File 148KB)

7. New Energy

• Development of Dry Gas Cleaning System for Multiple Impurities for Biomass Derived Gasification-Fuel -Process Optimization for Zinc Oxide Sorbent and Improved Halide Sorbent- (PDF File 201KB)

8. Information and Communication

• Development and Field Test of Substation Information Network for Facility Maintenance (PDF File 188KB)

9. Construction and Preservation of Electric Facilities

• Maintenance system for slope around existing structure by GIS (PDF File 290KB)
• Developments of a Tool for Weather Forecasting/Reanalysis and a Method for Improving the Performance of the Tool using Doppler Radar Data (PDF File 241KB)
• Development of an Integrated Airborne Geophysical Survey System Using Helicopter (PDF File 243KB)
• Numerical Simulation for Overflow Behavior of Water Tank with Sloshing under Seismic Motion (PDF File 210KB)

10. Advanced Basic Technologies

• Study of the Mechanism of High-Tc Superconductivity -Elucidating the Temperature-dependence of Hall Coefficient up to 1000 K- (PDF File 224KB)

Ⅱ Research Activities in Fiscal 2006

• Method of Conducting Research (PDF File 60KB)
• Principal new equipments
• Bending and Internal Pressure on real structural samples (BIPress) (PDF File 107KB)
• Carbonizing Gasification Gas Engine Power Generation Test Facility for Biomass/Waste (PDF File 140KB)
• High Temperature Dry Gas Cleaning Plant (PDF File 124KB)
• SCC Advanced Testing Facility for Environment of high Temperature water in Yokosuka (SAFETY) (PDF File 130KB)
• Environmental test facility for evaluation of hot water supplying heat pumps performance (PDF File 73KB)
• Corrosion test facility to simulate plant start-up and shutdown operation (PDF File 128KB)
• Microbeam X-ray Irradiation System (PDF File 91KB)
• Strong-Motion Observation System on Rock Outcrop (1st Step) (PDF File 110KB)
• Field Observation System of Wind Velocity Field in Atmospheric Boundary Layer (PDF File 88KB)
• Helical X-ray CT scanner (PDF File 82KB)