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Kook-Young Ahn
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Journal Articles

Dynamic Behavior of an SOEC System With a Schedule-Based Start-Up and Operating Process

Dongkeun Lee, Young Sang Kim, Yonggyun Bae, Jin Young Park, Kook Young Ahn
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. July 2024, 146(7): 072102.
Paper No: JERT-23-1871
https://doi.org/10.1115/1.4065210
Published Online: April 29, 2024
View Article titled, Dynamic Behavior of an SOEC System With a Schedule-Based Start-Up and Operating Process
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Topics: Heat, Heat exchangers, Steam, Temperature, Electrolysis, Anodes, Dynamic models, Solid oxide fuel cells, Hydrogen, Current density
Journal Articles

Performance Analysis of High-Efficiency Supercritical CO 2 Power Cycles Using Recompression

Tuananh Bui, Young Duk Lee, Young Sang Kim, Do Won Kang, Kook Young Ahn, Sangmin Lee, Sung Ho Chang, Min Kuk Kim
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. April 2024, 146(4): 041701.
Paper No: JERT-23-1382
https://doi.org/10.1115/1.4064291
Published Online: January 11, 2024
View Article titled, Performance Analysis of High-Efficiency Supercritical CO 2 Power Cycles Using Recompression
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Topics: Cycles, Exergy, Pressure, Temperature, Thermodynamic power cycles, Turbines, Fuels, Supercritical carbon dioxide, Simulation
Proceedings Papers

Exergoeconomic Evaluation of a Solid-Oxide Fuel-Cell-Based Combined Heat and Power Generation System

Young Duk Lee, Kook Young Ahn, T. Morosuk, G. Tsatsaronis
Proc. ASME. IMECE2013, Volume 6A: Energy, V06AT07A061, November 15–21, 2013
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2013-64527
https://doi.org/10.1115/IMECE2013-64527
View Paper titled, Exergoeconomic Evaluation of a Solid-Oxide Fuel-Cell-Based Combined Heat and Power Generation System
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Topics: Combined heat and power, Fuels, Solid oxide fuel cells, Exergy, Energy / power systems, Combustion chambers, Economic analysis, Exergy analysis, Heat exchangers, Heat recovery
Proceedings Papers

Performance Analysis on SOFC-HCCI Engine Hybrid System

Sung Ho Park, Young Duk Lee, Sang Gyu Kang, Kook Young Ahn
Proc. ASME. IMECE2012, Volume 6: Energy, Parts A and B, 843-853, November 9–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2012-89252
https://doi.org/10.1115/IMECE2012-89252
View Paper titled, Performance Analysis on SOFC-HCCI Engine Hybrid System
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Topics: Engines, Homogeneous charge compression ignition engines, Solid oxide fuel cells, Fuel cells, Fuels, Gas turbines, Molten carbonate fuel cells, Anodes, Catalysts, Computer software
Proceedings Papers

Operational Characteristic of Planar Steam Reformer Thermally Coupled With Catalytic Burner

Kanghun Lee, Sangseok Yu, Sang gyu Kang, Kook Young Ahn, Sang Min Lee
Proc. ASME. IMECE2012, Volume 6: Energy, Parts A and B, 813-819, November 9–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2012-87686
https://doi.org/10.1115/IMECE2012-87686
View Paper titled, Operational Characteristic of Planar Steam Reformer Thermally Coupled With Catalytic Burner
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Topics: Steam, Temperature, Anodes, Heat, Hydrogen, Combustion chambers, Fuel cells, Fuels, Heat exchangers, High temperature
Journal Articles

Development of a Hybrid System of Molten Carbonate Fuel Cell and Homogeneous Charge Compression Ignition Engine for Distributed Power Generation

Seonyeob Kim, Agha Raza Abid, Jae Jun Jang, Han Ho Song, Seung Jin Song, Kook Young Ahn, Young Duk Lee, Sang Gyu Kang
Journal: Journal of Electrochemical Energy Conversion and Storage
Publisher: ASME
Article Type: Research-Article
J. Electrochem. En. Conv. Stor. December 2013, 10(6): 061002.
Paper No: FC-12-1116
https://doi.org/10.1115/1.4025126
Published Online: September 13, 2013
View Article titled, Development of a Hybrid System of Molten Carbonate Fuel Cell and Homogeneous Charge Compression Ignition Engine for Distributed Power Generation
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Topics: Anodes, Flow (Dynamics), Fuel cells, Homogeneous charge compression ignition engines, Modeling, Molten carbonate fuel cells, Temperature, Design, Distributed power generation, Engines
Proceedings Papers

Three-Dimensional Numerical Study of Circular-Fin Tube Heat Exchanger for UAV

Haejung Sung, Sanggyu Kang, Hanseok Kim, Hangseok Choi, Hunchae Park, Kook Young Ahn
Proc. ASME. FUELCELL2011, ASME 2011 9th International Conference on Fuel Cell Science, Engineering and Technology, 767-772, August 7–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: FuelCell2011-54744
https://doi.org/10.1115/FuelCell2011-54744
View Paper titled, Three-Dimensional Numerical Study of Circular-Fin Tube Heat Exchanger for UAV
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Topics: Heat exchangers, Unmanned aerial vehicles, Proton exchange membrane fuel cells, Coolants, Temperature, Design, Ducts, Flow (Dynamics), Pumps, Simulation results
Proceedings Papers

Flow Uniformity of Catalytic Burner for Off-Gas Combustion of Molten Carbonate Fuel Cell

Sangseok Yu, Seokyeon Im, Young Duk Lee, Kook Young Ahn, Sangmin Lee
Proc. ASME. FUELCELL2011, ASME 2011 9th International Conference on Fuel Cell Science, Engineering and Technology, 983-989, August 7–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: FuelCell2011-54616
https://doi.org/10.1115/FuelCell2011-54616
View Paper titled, Flow Uniformity of Catalytic Burner for Off-Gas Combustion of Molten Carbonate Fuel Cell
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Topics: Combustion, Flow (Dynamics), Molten carbonate fuel cells, Combustion chambers, Design, Fuels, Anodes, Carbon dioxide, Damage, Exhaust systems
Journal Articles

Flow Uniformity of Catalytic Burner for Off-Gas Combustion of Molten Carbonate Fuel Cell

Sangmin Lee, Kook Young Ahn, Young Duk Lee, Jaeyoung Han, Seokyeon Im, Sangseok Yu
Journal: Journal of Electrochemical Energy Conversion and Storage
Publisher: ASME
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. April 2012, 9(2): 021006.
https://doi.org/10.1115/1.4005610
Published Online: March 19, 2012
View Article titled, Flow Uniformity of Catalytic Burner for Off-Gas Combustion of Molten Carbonate Fuel Cell
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Topics: Catalysts, Combustion chambers, Flow (Dynamics), Design, Molten carbonate fuel cells, Combustion, Honeycomb structures
Proceedings Papers

Development of Dynamic Simulation Model of Fuel Cell for Air Independent Propulsion System

Sangseok Yu, Sang Min Lee, Young Duk Lee, Kook Young Ahn, Hyunjin Ji
Proc. ASME. FUELCELL2010, ASME 2010 8th International Fuel Cell Science, Engineering and Technology Conference: Volume 1, 677-682, June 14–16, 2010
Publisher: American Society of Mechanical Engineers
Paper No: FuelCell2010-33228
https://doi.org/10.1115/FuelCell2010-33228
View Paper titled, Development of Dynamic Simulation Model of Fuel Cell for Air Independent Propulsion System
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Topics: Fuel cells, Propulsion systems, Simulation models, Underwater vehicles, Oxygen, Propulsion, Stack design, Stress, Thermal management
Journal Articles

Forces and Surface Pressure on a Blade Moving in Front of the Admission Region

Soo-Yong Cho, Chong-Hyun Cho, Kook-Young Ahn, Young-Cheol Kim
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. December 2010, 132(12): 121101.
https://doi.org/10.1115/1.4002468
Published Online: December 3, 2010
View Article titled, Forces and Surface Pressure on a Blade Moving in Front of the Admission Region
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Topics: Blades, Pressure, Nozzles, Cascades (Fluid dynamics), Flow (Dynamics), Turbines, Suction