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Jeong Lak Sohn
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Proceedings Papers

Novel Method to Predict Non-Measured Parameters of Industrial Gas Turbines Using Kalman Filter Technique

Jae Hong Lee, Tong Seop Kim, Do Won Kang, Jeong Lak Sohn, Jung Ho Lee
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T05A011, June 17–21, 2019
Paper No: GT2019-90558
https://doi.org/10.1115/GT2019-90558
View Paper titled, Novel Method to Predict Non-Measured Parameters of Industrial Gas Turbines Using Kalman Filter Technique
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Topics: Industrial gases, Kalman filters, Turbines, Gas turbines, Air flow, Algorithms, Cycles, Energy generation, Life cycle management, Matlab
Journal Articles

Flow Visualization of Microscale Effusion and Transpiration Cooling on Semi-cylinder for Gas Turbine Cooling Application

Dong Hwan Shin, Yeonghwan Kim, Jin Sub Kim, Do Won Kang, Jeong-Lak Sohn, Jungho Lee
Journal: Journal of Heat Transfer
Article Type: Photo Gallery
J. Heat Transfer. October 2019, 141(10): 100904.
Paper No: HT-19-1479
https://doi.org/10.1115/1.4044663
Published Online: September 13, 2019
View Article titled, Flow Visualization of Microscale Effusion and Transpiration Cooling on Semi-cylinder for Gas Turbine Cooling Application
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Topics: Cooling, Cylinders, Flow visualization, Gas turbines, Microscale devices, Transpiration, Flow (Dynamics), Coolants, Metal surfaces, Blades
Journal Articles

Flow Visualization of Axisymmetric Impinging Jet on a Concave Surface

Dong Hwan Shin, Yeonghwan Kim, Jin Sub Kim, Do Won Kang, Jeong Lak Sohn, Jungho Lee
Journal: Journal of Heat Transfer
Article Type: Photo Gallery
J. Heat Transfer. August 2018, 140(8): 080902.
Paper No: HT-18-1278
https://doi.org/10.1115/1.4040394
Published Online: July 2, 2018
View Article titled, Flow Visualization of Axisymmetric Impinging Jet on a Concave Surface
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Topics: Flow visualization, Gas turbines, Heat transfer, Vortices, Flow (Dynamics), Nozzles, Blades, Cooling, Design, Eddies (Fluid dynamics)
Journal Articles

Flow Boiling Heat Transfer of Subcooled Water on Sintered Microporous Surfaces

Yeonghwan Kim, Junsub Kim, Seung M. You, Jungho Lee, Jeong Lak Sohn, Jungho Lee
Journal: Journal of Heat Transfer
Article Type: Photo Gallery
J. Heat Transfer. August 2017, 139(8): 080906.
Paper No: HT-17-1181
https://doi.org/10.1115/1.4036883
Published Online: June 5, 2017
View Article titled, Flow Boiling Heat Transfer of Subcooled Water on Sintered Microporous Surfaces
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Topics: Boiling, Flow (Dynamics), Heat transfer, Subcooling, Two-phase flow, Water
Journal Articles

Numerical Simulation of Evaporating Two-Phase Flow in a High-Aspect-Ratio Microchannel with Bends

Junsik Lee, Junsub Kim, Hyungsoo Lim, Je Sung Bang, Jeong Min Seo, Jeong Lak Sohn, Jungho Lee
Journal: Journal of Heat Transfer
Article Type: Photo Gallery
J. Heat Transfer. August 2017, 139(8): 080905.
Paper No: HT-17-1180
https://doi.org/10.1115/1.4036882
Published Online: June 5, 2017
View Article titled, Numerical Simulation of Evaporating Two-Phase Flow in a High-Aspect-Ratio Microchannel with Bends
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Topics: Air flow, Boundary layers, Computer simulation, Cooling, Evaporation, Film cooling, Flat plates, Flow (Dynamics), Flow visualization, Gas turbines
Proceedings Papers

A Gas Turbine Performance Simulation Program and Its Application to an IGCC Gas Turbine

Jong Jun Lee, Young Sik Kim, Tong Seop Kim, Jeong Lak Sohn, Yong Jin Joo
Proc. ASME. GT2010, Volume 3: Controls, Diagnostics and Instrumentation; Cycle Innovations; Marine, 759-768, June 14–18, 2010
Paper No: GT2010-23198
https://doi.org/10.1115/GT2010-23198
View Paper titled, A Gas Turbine Performance Simulation Program and Its Application to an IGCC Gas Turbine
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Topics: Gas turbines, Integrated gasification combined cycle power stations, Simulation, Compressors, Cycles, Turbines, Engines, Blades, Combustion chambers, Cooling
Proceedings Papers

Influence of Surface Roughness on the Performance of a Compressor Blade in a Linear Cascade: Experiment and Modeling

Seung Chul Back, In Cheol Jeong, Jeong Lak Sohn, Seung Jin Song
Proc. ASME. GT2009, Volume 7: Turbomachinery, Parts A and B, 239-247, June 8–12, 2009
Paper No: GT2009-59703
https://doi.org/10.1115/GT2009-59703
View Paper titled, Influence of Surface Roughness on the Performance of a Compressor Blade in a Linear Cascade: Experiment and Modeling
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Topics: Blades, Cascades (Fluid dynamics), Compressors, Modeling, Surface roughness, Flow (Dynamics), Gas turbines, Pressure, Testing performance
Proceedings Papers

Simulation of Performance Deterioration of a Microturbine and Application of Neural Network to Its Performance Diagnosis

Jae Eun Yoon, Jong Joon Lee, Tong Seop Kim, Jeong Lak Sohn
Proc. ASME. GT2008, Volume 2: Controls, Diagnostics and Instrumentation; Cycle Innovations; Electric Power, 793-803, June 9–13, 2008
Paper No: GT2008-51494
https://doi.org/10.1115/GT2008-51494
View Paper titled, Simulation of Performance Deterioration of a Microturbine and Application of Neural Network to Its Performance Diagnosis
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Topics: Artificial neural networks, Microturbines, Simulation, Compressors, Turbines, Engines, Flow (Dynamics), Pressure drop, Temperature, Testing performance