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     Publication & Presentation 

          Korea Energy Technology Group





Research Paper (Published manuscript)

Title
Journal
Author
Year
A Case Study on Retrospective Reliability-Centered Maintenance of Rotating Machinery for Power Generation Facilities
KSME
Youngjin Roh
Seonhwa Kim
2018
Investigation of Vibration Behavior of Tubes in High-Temperature Sand-Cast Heat Exchangers
KSPSE
Youngjin Roh
Seonhwa Kim
2018
Numerical Study on Thermal and Mass Balances of a Heat Pump-Coupled Energy Recovery Ventilation System
KSPSE
Youngjin Roh
Seonhwa Kim
2022
An Experimental Study on the Vacuum Performance of a Liquid Ring Pump According to the Concentration of Potassium Formate Aqueous Solution
KSPSE
Youngjin Roh
Seonhwa Kim
2022
Creep-Fatigue Behavior of Alloy 800H at High Temperatures
KSME
Youngjin Roh 2022
Performance Analysis of a Moisture Extraction Device for Fuel Cell Exhaust Gas Based on LD Technology
KSPSE
Seonhwa Kim

Sayong Lee

2022
Evaluation of Negligible Creep Behavior of Type 316L(N) Stainless Steel for High-Temperature Fuel Cell Applications
KSME
Youngjin Roh
Seonhwa Kim
2023
Prediction of BOG Generation According to LNG Precooling System Design in Hydrogen Liquefaction Process
KSPSE

Youngjin Roh
Seonhwa Kim
2023
Process Design and Control Characteristics Analysis of the Fuel Supply System for LNG-Fueled Ships
KSICON
Seonhwa Kim

Sayong Lee

2025
Thermodynamic Analysis and Process Design of an LNG Boil-Off Gas Fuel Supply System
KSICONSeonhwa Kim

Sayong Lee

2025



Research Paper (Conference Presented)

Title
Conference
Presenter
Year
A Study on the Analysis of Condition Monitoring and Diagnostic Technologies for Offshore Wind Power Facilities
KSOEYoungjin Roh
Seonhwa Kim
2023
Investigation of Stevioside Application in Fruits of the Solanaceae Family
KSAMYoungjin Roh
Seonhwa Kim
2023
Creep Damage Prediction Using the Damage Tolerance Factor
KSMEYoungjin Roh
Seonhwa Kim

Kim Woo-gon

2023
Investigation of Damage Mechanisms in Burners for Reformers
KSME
Youngjin Roh
Seonhwa Kim
Sayong Lee
2023
Development of a Creep Curve Representing Negligible Creep Behavior in P92 Steel
KSME
Youngjin Roh
Seonhwa Kim

Kim Woo-gon

2023
Research on Safety Assessment of Hydrogen Infrastructure Generation of Negligible Creep Curve for Type 316L Stainless Steel
KSNVEYoungjin Roh
Seonhwa Kim

Kim Woo-gon

2023
A Study on the Manufacturing Quality Verification of Dual-Metal Sealing for Cryogenic Environments
KSNVE Youngjin Roh

Kim Byeong-gon

Eoh Hyeon-suk

Seonhwa Kim		2023
Investigation of Fluid-Structure Interaction (FSI) in Valves for Liquid Hydrogen Applications
KSPSEYoungjin Roh
2023
Investigation of Partial Discharge Diagnostic Techniques for Power Transformers(1)
KSPSE
Youngjin Roh
Seonhwa Kim
2023
Investigation of Partial Discharge Diagnostic Techniques for Power Transformers(2)
KSPSE
Youngjin Roh
Seonhwa Kim
2023
Effect of Bonnet Extension in Cryogenic Valves on the Dynamic Characteristics of Piping Systems
KSPSE
Youngjin Roh
Sayong Lee
2023
Improvement of Driving Performance of Autonomous Robots for Smart Farms through Enhanced BMS
KSMEYoungjin Roh
Seonhwa Kim
Jongmyeong Lee		2023
Process Design Case Study for Temperature Control in LNG Fuel Supply Systems Utilizing an Inline Mixer
KSPSE
Sayong Lee
2023
System Design Study of a Shipboard Brayton Refrigeration System Utilizing Natural Refrigerants
KSOEYoungjin Roh
Seonhwa Kim
2024
Improving the Reliability of Fuel Cell-Powered Autonomous Systems via Power System Condition Diagnosis
KSPSE
Youngjin Roh
Seonhwa Kim
Jongmyeong Lee
2024
Prediction of Creep Design Stresses for Type 316L Stainless SteelKNSYoungjin Roh
Seonhwa Kim

Kim Woo-gon

2024
A Study on the Development of Replacement Technologies for Control Components in Autonomous Robots KSMEYoungjin Roh
Seonhwa Kim

Jiseob Kim

2024
Development of SBMC Technology for Control System Replacement Solutions in Small Mobility Platforms
KSPSE
Youngjin Roh
Seonhwa Kim

Jiseob Kim

 Byeong-gon Kim 

2024
A Study on the Development of a Stuffing Box Using SEP Material for Cryogenic Valves in LNG and Hydrogen Ships
KSPSE
Youngjin Roh
Seonhwa Kim
Sayong Lee
2024
Design and Implementation Methodology of Robot Simulation Models Using ROS
KSPSE
Youngjin Roh
Jiseob Kim Jongmyeong Lee
2024
A Study on the Integration of 3D Modeling and Robot Control Using Vision-Based Techniques
KSOE
Youngjin Roh
Seonhwa Kim
Jiseob Kim Jongmyeong Lee
2024
Convergent Technologies for Overcoming the Limitations of Industrial Autonomous Robots
KSOE
Youngjin Roh
Seonhwa Kim
Jiseob Kim Jongmyeong Lee
2024
Improvement of Driving Performance in Fuel Cell Autonomous Robots Using Energy Storage System Condition Analysis KSME
Youngjin Roh
Seonhwa Kim
Jiseob Kim Jongmyeong Lee
2024
Dispersion Impact Assessment for Improving the Threshold Quantity Standards of Hazardous Chemicals Using FLCS-CFD
KSMEYoungjin Roh
Seonhwa Kim
Byeong-gon Kim 
Sayong Lee 
2024
Creep Strength Analysis of Eurofer Steel
KSME
Youngjin Roh
Seonhwa Kim

Kim Woo-gon

2025
Design of an Integrated Interlock System for Robotic Process Automation in Semiconductor Inspection Systems
KSME
Youngjin Roh
Seonhwa Kim
Jiseob Kim Jongmyeong Lee
Jonyoung Kiim		2025

Research on risk assessment and failure impact analysis-based process management system for 2,000 kg/day carbon reduction reformer


KSICYoungjin Roh
Seonhwa Kim

Byeong-gon Kim 

Jiseob Kim Jongmyeong Lee		2025

Research on the applicability of unmanned semiconductor inspection using workbots


KSPSEYoungjin Roh
Seonhwa Kim 
Jiseob Kim Jongmyeong Lee		2025
Prediction of Long-term Creep Strength and Negligible Creep Curve for Eurofer Steel
KNSYoungjin Roh
Seonhwa Kim

Kim Woo-go

2025
A study on the performance verification methodology of cryogenic valves for LNG and hydrogen using EP material stuffing boxesKAOSTSYoungjin Roh

Seonhwa Kim

Byeong-gon Kim

Sayong Lee
Eoh Hyeon-suk

2025



RESEARCH PAPER (Published thesis)

  • [KEM/SCI/Youngjin Roh]
    -  On Creep Rupture Characteristics in STS304 Stainless Steels
  • [MSEA/SCI/Youngjin Roh]
    -  Statistical Properties of Creep Rupture Data Distribution for STS304 Stainless Steels
  • [TCSEA/SCI/Seonhwa Kim]
    -  Full Scale Experiment and Numerical Analysis for the Performance of Heat Exchanger in Molten Carbonate Fuel Cells
  • [IJPEM/SCI/Seonhwa Kim]
    -  Structural and vibration analysis considering the flow velocity of the heat exchanger
  • [EFA/SCI/Seonhwa Kim]
    -  Failure analysis and structural improvement for cracked circular finned tube
  • [KSNVE/Seonhwa Kim]
    -  Securing Reliability Analysis of Humidifier Fuel Cell
  • [KSME/Seonhwa Kim]
    -  Cause of and Solution for Damage to STS310S Tube in Heat Exchange Devices
  • [PCE/Seonhwa Kim]
    -  Flow Velocity Prediction for Heat Exchanger for Fuel Cell by Test and Analysis
  • [KSME/Seongi Lee]
    -  Low Cycle Fatigue and Life Prediction of Alloy 800H Base Metal and Weldment at 750℃
  • [KSPE/Seongi Lee]
    -  Influence of Total Strain Range on Low Cycle Fatigue Characteristics of Alloy 800H
  • [JPSE/Seonhwa Kim]
    -  Numerical analysis of heat and material balance in heat transfer air conditioner linked to heat pump



RESEARCH PAPER (Presentation)

  • [2022/KSME/Woogon Kim]
    -  Evaluation of Negligible Creep of Material Type 316L(N)SS for High Temperature Fuel Cells
  • [2022/KSME/Seonhwa Kim]
    -  A Study on the Performance Evaluation and Measurement Uncertainty of Fuel Cell System Based on KS C 8569
  • [2022/KSME/Byunggon Kim]
    -  A Study on the Vacuum Insulation Characteristics of Hydraulic Valve by Material in Ultra-Low Temperature Environment
  • [2022/KSME/Youngjin Roh]
    -  A Study on the Mechanical Strength of Membrane for Fuel Cells
  • [2022/KSME/Seongi Lee]
    -  Development of Liquid Dehumidification System Based on Autonomous Robot Platform
  • [2022/KSME/Hyunsuk Eo]
    -  Manufacturing Technology of O-Type Metal Sealing for Ultra Low Temperature Valves
  • [2021/KSME/Youngjin Roh]
    -  A Study on the Estimation of Uncertainty on the Break Life of Creep in High Temperature Valve Material
  • [2021/KSME/Youngjin Roh]
    -  An Empirical Study on Electrostatic Hydrogen Fire
  • [2021/KSME/Youngjin Roh]
    -  A Study on the Uncertainty Estimation for the Performance Test of the C-Type Metal Sealing System
  • [2021/KSME/Seonhwa Kim]
    -  Evaluation of Vacuum Performance of Water Sealed Vacuum Pump by Working Fluid
  • [2021/KSOE/Seongi Lee]
    -  Mechanical Properties of Double C Type Metal Seal for Improving Valve Seating Power in Cryogenic Gas Facilities
  • [2021/KIGAS/Youngjin Roh]
    -  A Case Study on the Fire of Hydrogen Gas by Static Electricity
  • [2021/KSPSE/Youngjin Roh]
    -  A Study on the Design of White Smoke Reduction Cooling Tower Using Dehumidification Cycle
  • [2021/KSME/Woogon Kim]
    -  Methodology of Reliability Assessment in Creep Life Prediction
  • [2021/KIGAS/Youngjin Roh]A Study on the Mechanical Properties of Seal for Hydrogen Liquefaction Process
  • [2020/KSME/Seonhwa Kim]
    -  A Study on Failure Model by Fluid Induced Vibration of High Temperature Heat Exchanger
  • [2020/KSME/Youngjin Roh]
    -  A Case Study on the Hybrid Reliability Centered Maintenance for Facilities in Power Plants
  • [2020/KSME/Seongi Lee]
    -  Repeated Deformation Behavior of Alloy 800H Base Material and Welding Material under Low Cycle Fatigue Load
  • [2020/KSME/Seongi Lee]High Temperature Low Cycle Fatigue Characteristics of Alloy 800H Welding Materials at 750℃
  • [2019/KSME/Seonhwa Kim]
    -  A Case Study on Potential Failure Detection Using Vibration Signal-Based Machine Learning Techniques in Rotating Equipment
  • [2019/KSME/Seonhwa Kim]
    -  Characteristics Analysis Using Machine Learning Techniques for Failure Detection of Gearboxes
  • [2019/KSME/Youngjin Roh]
    -  A Study on the Life Cycle Cost of Major Assets of Thermal Power Plant
  • [2019/KSME/Youngjin Roh]
    -  A Study on the Methodology of Retroactive Reliability Center Maintenance (Hybrid RCM) in Power Generation Facilities
  • [2019/KSME/Seonhwa Kim]
    -  A Study on the Analysis Model for the Detection of Fault Signals in the Induction Motor
  • [2019/KSME/Seonhwa Kim]
    -  A Case Study of Industrial Facilities Diagnostic Based on ISO18436
  • [2019/KSME/Seonhwa Kim]
    -  Reliability Analysis Technology-Based Asset Management
  • [2019/KSME/Youngjin Roh]
    -  A Study on the Design Model of White Smoke Removal Cooling Tower Using Dehumidification Cycle
  • [2019/KSME/Seongi Lee]
    -  Estimation of Macro Crack Life During High Temperature Low Cycle Fatigue Experiment
  • [2019/KSME/Seongi Lee]
    -  Fracture Behavior of Alloy 800H under Continuous Deformation Cycle Load at 750°C
  • [2019/2019/Seongi Lee]
    -  High Temperature Low Cycle Fatigue Characteristics of Alloy 800H Base Materials and Welding Materials at 750℃
  • [2018/KSME/Seonhwa Kim]
    -  Analysis of Vibration Characteristics of Heat Exchanger Tube for Carbon Dioxide Supercritical Power Generation
  • [2018/KSME/Seonhwa Kim]
    -  Comparison of Design Methods of Square Section Pressure Vessels with Reinforcement
  • [2017/SAREK(불확실)/Youngjin Roh]
    -  A Study on the Estimation of Measurement Uncertainty of Confidential Test Data in the Main Control Room of Nuclear Power Plant
  • [2017/SAREK(불확실)/Youngjin Roh]
    -  Verification of Reliability Data of Test Sources by Tracking Gas Dilution Method
  • [2016/KSME/Seonhwa Kim]
    -  Comparison of Vibration Characteristics by Defects and Leakage Amounts in Piping
  • [2015/KSME/Seonhwa Kim]
    -  Analysis of Vibration Signal according to Heat Exchanger Defect Type
  • [2014/ICCE 2014/Seonhwa Kim]
    -  Flow Velocity Prediction for Heat Exchanger for Fuel Cell by Test and Analysis
  • [2014/KSME/Seonhwa Kim]
    -  Causes and Countermeasures for Damage to Heat Exchanger STS310S Tube
  • [2014/KSME/Seonhwa Kim]
    -  Prediction of High-Temperature Operation Characteristics by Using CFD of Recycled Fan of a Melt Carbonate Fuel Cell System
  • [2013/The 3rd KJJS/Seonhwa Kim]
    -  Prediction of the Natural Frequencies for Serpentine Tubes for Heat Exchanger of High Temperature Fuel Cell Plant
  • [2012/KSME/Seonhwa Kim]Structural Safety Evaluation of Humidifier Tube for Fuel Cells by Welding Method
  • [2012/KSME/Seonhwa Kim]Analysis of Welding Characteristics of Heat Exchanger in Fuel Cell System Using FEA
  • [2012/CMFF 12/Seonhwa Kim]
    -  Study of heat transfer characteristics for the fuel cell system of the humidifier due to analysis and the hot testing
  • [2011/ASME,JSME,KSME/Seonhwa Kim]
    -  Study of heat transfer characteristics for the fuel cell system of the humidifier due to analysis and the hot testing
  • [2011/EKC 2011/Seonhwa Kim]
    -  Development of the Molten Carbonate Fuel Cell System Considering to Design for Flexibility
  • [2011/KNREA/Seonhwa Kim]
    -  A Study on the Mixing System in the Humidifier for MCFC
  • [2011/KSNVE/Seonhwa Kim]
    -  Optimal Design of MCFC Modular BOP (300 kW Class) Sound Insulation Enclosure
  • [2010/KNREA/Seonhwa Kim]
    -  Development of Heat Exchanger for the Humidifier of 3MW MCFC
  • [2010/KSNVE/Youngjin Roh]
    -  Bearing performance degradation signal characteristics
  • [2009/3rd EFC 2009/Seonhwa Kim]
    -  Study of the dynamic behavior for heat exchanger's tube bundle in balance of plant
  • [2009/KSPSE/Youngjin Roh]
    -  Valves performance verification test method related to safety of nuclear power plants
  • [2008/KSPSE/Youngjin Roh]
    -  Heavy water reactor fuel replacement of development aid
  • [2007/KSME/Youngjin Roh]
    -  Mechanical Characteristics of Alloy718 Friction Welding Materials by Post-Heat Treatment
  • [2006/KSNVE/Seonhwa Kim]
    -  Valuation of magnetic attraction of induction motor by gradient eccentricity
  • [2006/KSME/Seonhwa Kim]
    -  Unbalanced magnetic attraction by rotor eccentricity of induction motor
  • [2006/KSPE/Youngjin Roh]
    -  A Study on the Creep Properties of Low-Radiation Steel Materials for Nuclear Fusion Furnaces
  • [2005/KSOE/Youngjin Roh]
    -  A Statistical Study on the Creep Characteristics of STS304 Stainless Steel