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2011 KRRI Technical Papers Abstracts

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2011 KRRI Technical Papers Abstracts 2011 KRRI Technical Papers Abstracts 2012. 1 CONTENTS Chapter 1. Bogies and Vehicles ······························· 1 1-01 Measurement of the Disc-Pad Friction Coefficient for Mechanical Brakes Using Direct and Indirect Methods 1-02 Experimental Investigation of Composite Sandwich Square Tubes under Quasi-Static and Dynamic Axial Crushing 1-03 A Study on Crushing Behaviors of Composite Circular Tubes with Different Reinforcing Fibers 1-04 Experimental and Numerical Investigations of Mode I Delamination Behaviors of Woven Fabric Composites with Carbon, Kevlar and Their Hybrid Fibers 1-05 Evaluation of the Material Properties of an OFHC Copper Film at High Strain Rates Using a Micro-Testing Machine 1-06 Effect of Punch Angle on Energy Absorbing Characteristics of Tube-Type Crash Element 1-07 Parametric Study of Lateral Stability for a Railway Vehicle 1-08 Numerical Stress Analysis and Rolling Contact Fatigue of White Etching Layer on Rail Steel 1-09 Longitudinal Strain Monitoring of Rail Using a Distributed Fiber Sensor Based on Brillouin Optical Correlation Domain Analysis 1-10 Simultaneous Two-Axis Vibration Measurement of a Nonmetallic Cylinder by Electromagnetic Induction and Metallic Foil Loops 1-11 3D Finite Element Analysis of Friction Stir Welding of Al6061 Plates 1-12 Failure Mode Analysis and Friction Material Development of the KTX Tread Brake 1-13 Evaluation of Residual Stress for Thermal Damage of Railway Wheel Tread 1-14 Effect of Punch Shapes on Failure Instability of Expansion Tube 1-15 Vibration Analysis of Tread Brake Block in the Brake Dynamometer for the High Speed Train 1-16 Dynamometer Tests of Brake Shoes under Wet Conditions for the High Speed Trains 1-17 Remote Sensing of the Lateral Force for the Scaled Active Steering Railway Vehicle 1-18 Expanded Uncertainty in Measurements of Vertical and Lateral Behaviors for the Rubber-Tired Light Rail Vehicle 1-19 Strength Analysis of Chassis Structure for Medium-Sized Low-Floor Vehicle under Dynamic Load Cases 1-20 A Feasibility Study on the Energy Harvesting Technology for the Real Time Monitoring System of the Railroad Vehicle 1-21 A Study on the Wireless Onboard Monitoring System for Railroad Vehicle Axle Bearings Using the SAW Sensor 1-22 Integrity Evaluation of Railway Bogie Using Infrared Thermography Technique 1-23 Analysis of Fracture Behavior in Polymer Matrix Composites by Infrared Thermography 1-24 End-Shape Effect for Stress Concentration Reduction of Composite Single-Lap Bonded Joint 1-25 Stress Reduction Methods of GFRP/Mg Single Lap Bonded Joints : Finite Element Analysis 1-26 Setting the Service Reliability Target for Meeting the Punctuality Requirement of the Railroad System 1-27 A Study on Evaluating System Performance for Light-Weight Rolling Stock 1-28 Designing a Microphone Array System for Noise Measurements on High-Speed Trains 1-29 Effects of Surface Defects on Rolling Contact Fatigue of Rail 1-30 Hierarchical Views for Distributed Databases of Semantically Condensed Data through Web Links to Sensor Data 1-31 A Web Data Exchange System for Cooperative Work in CAE 1-32 An Abbreviate Representation for Semantically Indexing of Physically Massive Data Out of Sensor Networks on the Rove 1-33 A Study on the Fracture Test in Running System of Railway 1-34 Strain Monitoring of Composite Steel Girder Bridge Using Distributed Optical Fibre Sensor System 1-35 Three-Dimensional Steady-State Rolling Contact Analysis Using Finite Element Method 1-36 Three-Dimensional Transient Rolling Contact Analysis of Similar Elastic Cylinders 1-37 Influence of the Speeds on the Curve Squeal Noise of Railway Vehicles 1-38 Prediction of Surface Crack Growth Considering the Wheel Load Increment Due to Rail Defect 1-39 The Study on the Locomotive Cab Design Considering Driver's Physical Characteristics in Korea 1-40 Weight Reducing of Aluminum Extrusion Profiles of a Railway Carbody Based on Optimization Method 1-41 Review of Non-Destructive Evaluation Technologies for Rail Inspection 1-42 Evaluation of Running Safety for Depressed Center Flat Car of 3-axle Bogie 1-43 Analysis on the Running Stability of Rolling-Stock according to Wheel Profile Wear Chapter 2. Railroad Infrastructures ····················· 44 2-01 Experimental Evaluations of Track Structure Effects on Dynamic Properties of Railway Bridges 2-02 Experimental and Numerical Analyses of an Opening in a Jointed Rock Mass under Biaxial Compression 2-03 Optimization of Alignment Considering Ride Comfort for Superimposition of Vertical and Horizontal Curves 2-04 Lateral Overturning Failures of Old Concrete Gravity Pier on Sandy Soils 2-05 Effect of Crack Width on Chloride Diffusion Coefficients of Concrete by Steady-State Migration Tests 2-06 Experimental and Numerical Investigation on Dynamic Amplification Factors of an Urban Maglev Guideway 2-07 Tilting Train-Induced Roadbed Response on the Conventional Line 2-08 Traffic Safety & Passenger Comforts of a Suspension Bridge Considering Seismic Loads 2-09 Centrifuge-Shaking Table Test for Seismic Performance Evaluation of Subway Station 2-10 Investigation of the Maintenance Criteria for the Rail Surface Defects in High-Speed Railways 2-11 Determination of Upper Limit of Rail Pad Stiffness for Ballasted and Concrete Track of High-Speed Railway Considering Running Safety 2-12 Evaluation of Train Running Safety During Construction of Temporary Bridge on Existing Railway 2-13 An Experiment and Analysis of Precast Concrete Baseplate on Bimodal Tram Dedicated Bridge 2-14 A Study on the Basic and Compression Characteristics of Lightweight Waste for Use as Fill Materials 2-15 An Experimental Study on Local Stability of Eco-Block 2-16 Development of FBG Accelerometer for Railway Tunnel Vibration 2-17 Evaluation of Dynamic Stability for Structural Bar Reinforced Precast and Prestressed Retaining Wall for Moving Train Load 2-18 Dynamic Response Characteristics for Two-Layered Trackbed Structure by Train Load 2-19 Reduction of Shear Strength of Railway Roadbed Materials with Freezing-Thawing Cycle 2-20 A Comparative of Ground Stress with Difference of The Fixed Point Loading and Moving Wheel Loading 2-21 Evaluation of Correlation between Strain Mudulus (Ev2) and Deformation Modulus (ELFWD) Using Cyclic Plate Loading Test and LFWD Chapter 3. Electric & Signal System ················· 65 3-01 Conceptual Design for HTS Coil in Superconducting Electromagnet for Maglev 3-02 Characteristics of Persistent-Current Mode of HTS Coil on Superconducting Electromagnet 3-03 Improvement of Thrust Force Properties of Linear Synchronous Motor for an Ultra-High-Speed Tube Train 3-04 Parameter Design of IPMSM With Concentrated Winding Considering Partial Magnetic Saturation 3-05 Thrust Performance Improvement of a Linear Induction Motor 3-06 Magnetic Interference on the Infrastructure for a Super-Speed Tube Train 3-07 License Plate Extraction Method for Identification of Vehicle Violations at a Railway Level Crossing 3-08 Implementation of a Condition Monitoring System for Mold Transformers in DC Substations 3-09 Development of an Arc Detector Assessment System by Loss of Contact Between Pantograph and Contact Wire in Electric Railway 3-10 Analysis of Iron-filings Trapping Characteristics on Concrete Slab Track using Permanent Magnet 3-11 A Study on an Airgap Control System in a Rotary-small-scaled Linear Induction Motor for Railway 3-12 Development of a Series Hybrid Propulsion System for Bimodal Tram 3-13 Harmonic Frequency Analysis of Interlocking System for Rolling Stock Operation in Electrical Railroads 3-14 Analysis of Return Current for Rolling Stock Operation on Electrical Railroads 3-15 Analysis of Interoperability Test between a Different Kind of Train Control System 3-16 Vehicle Running Characteristic Simulator Using Induction Motor 3-17 Evaluations of the Robustness of Guidance Controller for a Bimodal Tram 3-18 The Design and Analysis of Recognition Structure for Absolute Train Positioning System of High-speed Maglev Train System 3-19 A Study on the Reliability/Safety Assessment and Improvement of USN Gateway for Train Control 3-20 Performance Evaluation of Wireless Sensor Networks in the Subway Station of Workroom 3-21 Development of a Simulator for Radio Propagation Path Loss in Tunnel at 18GHz 3-22 Intelligent Video Surveillance System using RFID Technology 3-23 A Study on a Configuration of the Load Characteristic Evaluation Device Using Hydraulic Power for the Analysis of the Tilting Kinetic Mechanism 3-24 Development of the Operation Simulator for the PRT System 3-25 A Study on Establishment of Signaling Systems to Speed up Conventional Railway 3-26 Development of Door Control Unit for the Electric Plug-in Door of Subway Train 3-27 An Analysis on Rise of Rail Potential and A Study on Control Method for It in DC Feeding System 3-28 A Study on the Real Time Measuring Technique of Stray Current by Using Return Current Ratio In the DC Railway System 3-29 A Study on Fault Location Estimation Technique Using the distribution Ratio of Catenary Current in AC Feeding System 3-30 Bidirectional Alarm Equipment for Protection for Trackside Worker using Bone-anchored Speaker Chapter 4. Environmental Engineering ··············· 95 4-01 Novel Air Filtration Device for Building Air Handling Unit 4-02 Instability Analysis in Curve Noise of Urban Railway Systems for Optimal Steering Bogie Development 4-03 Experimental Study on Particle Collection Efficiency of Axial-Flow Cyclone in Air Handling Unit 4-04 Investigation of Airborne Microorganism in Cabin of the KTX 4-05 Development of
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