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Proceedings Papers

Machine Learning-Based Multi-Disciplinary Optimization of Transonic Axial Compressor Blade Considering Aeroelasticity

Hyun-Su Kang, Youn-Jea Kim
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT34A007, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80876
https://doi.org/10.1115/GT2022-80876
View Paper titled, Machine Learning-Based Multi-Disciplinary Optimization of Transonic Axial Compressor Blade Considering Aeroelasticity
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Topics: Aeroelasticity, Blades, Compressors, Flutter (Aerodynamics), Machinery, Optimization
Proceedings Papers

Aeroacoustic Analysis of a UAV Propeller Operable at Various Altitudes

Ji-Hun Song, Seungsoo Jang, Youn-Jea Kim
Proc. ASME. FEDSM2021, Volume 1: Aerospace Engineering Division Joint Track; Computational Fluid Dynamics, V001T02A047, August 10–12, 2021
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2021-65363
https://doi.org/10.1115/FEDSM2021-65363
View Paper titled, Aeroacoustic Analysis of a UAV Propeller Operable at Various Altitudes
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Topics: Aerodynamic noise, Propellers, Unmanned aerial vehicles
Proceedings Papers

Effect of Hub Configuration on the Performance of Mixed Flow Turbine for Micro Hydropower in Pipes

Seungsoo Jang, Ji-Hun Song, Youn-Jea Kim
Proc. ASME. FEDSM2021, Volume 2: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V002T03A033, August 10–12, 2021
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2021-63691
https://doi.org/10.1115/FEDSM2021-63691
View Paper titled, Effect of Hub Configuration on the Performance of Mixed Flow Turbine for Micro Hydropower in Pipes
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Topics: Flow (Dynamics), Hydropower, Pipes, Turbines
Proceedings Papers

Improving Fuel Efficiency Using Various Configurations of a Hydrogen Ejector in a Fuel Cell

Seok-Beom Yun, Youn-Jea Kim
Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T03A019, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60334
https://doi.org/10.1115/GT2021-60334
View Paper titled, Improving Fuel Efficiency Using Various Configurations of a Hydrogen Ejector in a Fuel Cell
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Topics: Ejectors, Fuel cells, Fuel efficiency, Hydrogen, Proton exchange membrane fuel cells
Proceedings Papers

Aerodynamic Characteristics of a Blended-Wing-Body Aircraft With A Serpentine Inlet Using Flow Control Techniques

Min-Sik Youn, Youn-Jea Kim
Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T01A019, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60335
https://doi.org/10.1115/GT2021-60335
View Paper titled, Aerodynamic Characteristics of a Blended-Wing-Body Aircraft With A Serpentine Inlet Using Flow Control Techniques
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Topics: Aircraft, Ducts, Flow control, Wings
Proceedings Papers

Experimental and Numerical Analysis on the Performance of Spiral Two-Fluid Atomizer Using DPM Method

Jin-Woo Lee, Kuk Jin Jung, Morely Sherman, Hyun Sin Kim, Youn-Jea Kim
Proc. ASME. FEDSM2020, Volume 3: Computational Fluid Dynamics; Micro and Nano Fluid Dynamics, V003T05A027, July 13–15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2020-20350
https://doi.org/10.1115/FEDSM2020-20350
View Paper titled, Experimental and Numerical Analysis on the Performance of Spiral Two-Fluid Atomizer Using DPM Method
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Topics: Drops, Fluids, Numerical analysis, Particulate matter, Computational fluid dynamics, Design, Experimental design, Genetic algorithms, Light-emitting diodes, Manufacturing
Proceedings Papers

Optimal Design of Thermally Stressed Turbocharger Blade Using Response Surface Method

Kuk Jin Jung, Jin-Woo Lee, Youn-Jea Kim
Proc. ASME. FEDSM2020, Volume 3: Computational Fluid Dynamics; Micro and Nano Fluid Dynamics, V003T05A058, July 13–15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2020-20348
https://doi.org/10.1115/FEDSM2020-20348
View Paper titled, Optimal Design of Thermally Stressed Turbocharger Blade Using Response Surface Method
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Topics: Blades, Design, Response surface methodology, Turbines, Turbochargers
Proceedings Papers

Effect of Splitter Configurations on the Performance of a Sludge Pump

Jeong-Min Jin, Hyo-Geun Ji, Youn-Jea Kim
Proc. ASME. AJKFluids2019, Volume 2: Computational Fluid Dynamics, V002T02A025, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-5298
https://doi.org/10.1115/AJKFluids2019-5298
View Paper titled, Effect of Splitter Configurations on the Performance of a Sludge Pump
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Topics: Blades, Pumps
Proceedings Papers

Optimal Design for Impeller of a Sludge Pump Using Design of Experiment

Jeong-Min Jin, Hyo-Geun Ji, Youn-Jea Kim
Proc. ASME. AJKFluids2019, Volume 2: Computational Fluid Dynamics, V002T02A026, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-5299
https://doi.org/10.1115/AJKFluids2019-5299
View Paper titled, Optimal Design for Impeller of a Sludge Pump Using Design of Experiment
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Topics: Computational fluid dynamics, Design, Experimental design, Impellers, Pumps, Response surface methodology
Proceedings Papers

Influence of the Groove-Patterned Cooling Tube on the Film Cooling Performance of Gas Turbine

Hyun-Oh Kim, Hak-Sun Kim, Youn-Jea Kim
Proc. ASME. ICNMM2018, ASME 2018 16th International Conference on Nanochannels, Microchannels, and Minichannels, V001T01A003, June 10–13, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ICNMM2018-7655
https://doi.org/10.1115/ICNMM2018-7655
View Paper titled, Influence of the Groove-Patterned Cooling Tube on the Film Cooling Performance of Gas Turbine
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Topics: Cooling, Film cooling, Gas turbines, Fluids, Temperature, Diffusers, Turbine blades, Damage, High temperature, Thermal stresses
Proceedings Papers

Effect of Electrode Configurations on the Performance of Electro-Hydrodynamic Micromixer

Hak-Sun Kim, Hyun-Oh Kim, Youn-Jea Kim
Proc. ASME. ICNMM2018, ASME 2018 16th International Conference on Nanochannels, Microchannels, and Minichannels, V001T02A005, June 10–13, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ICNMM2018-7654
https://doi.org/10.1115/ICNMM2018-7654
View Paper titled, Effect of Electrode Configurations on the Performance of Electro-Hydrodynamic Micromixer
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Topics: Electrodes, Electrohydrodynamics, Particulate matter, Bioengineering, Chemical engineering, Electric fields, Electroosmosis, Flow (Dynamics), Microchannels, Numerical analysis
Proceedings Papers

Effects of a Groove Patterned Cooling Tube on the Film Cooling Performance of a Gas Turbine Blade

Yeon-Ho Lee, Youn-Jea Kim
Proc. ASME. FEDSM2017, Volume 1A, Symposia: Keynotes; Advances in Numerical Modeling for Turbomachinery Flow Optimization; Fluid Machinery; Industrial and Environmental Applications of Fluid Mechanics; Pumping Machinery, V01AT02A010, July 30–August 3, 2017
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2017-69263
https://doi.org/10.1115/FEDSM2017-69263
View Paper titled, Effects of a Groove Patterned Cooling Tube on the Film Cooling Performance of a Gas Turbine Blade
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Topics: Blades, Cooling, Film cooling, Gas turbines, Fluids, Temperature, Turbine blades, Carbon dioxide, Durability, Flow (Dynamics)
Proceedings Papers

Effects of Stator Configurations on the Flotation Performance of Induced Gas Flotation Machine

Ji-Gu Lee, Ji-Yun Kang, Youn-Jea Kim
Proc. ASME. IMECE2016, Volume 7: Fluids Engineering, V007T09A026, November 11–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2016-66012
https://doi.org/10.1115/IMECE2016-66012
View Paper titled, Effects of Stator Configurations on the Flotation Performance of Induced Gas Flotation Machine
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Topics: Machinery, Stators, Blades, Design, Flow (Dynamics), Oil sands, Porosity, Rotors, Vessels, Water
Proceedings Papers

The Effect of the Thickness and Angle of the Inlet and Outlet Guide Vane on the Performance of Axial-Flow Pump

Sang-Won Kim, Youn-Jea Kim
Proc. ASME. FEDSM2016, Volume 1A, Symposia: Turbomachinery Flow Simulation and Optimization; Applications in CFD; Bio-Inspired and Bio-Medical Fluid Mechanics; CFD Verification and Validation; Development and Applications of Immersed Boundary Methods; DNS, LES and Hybrid RANS/LES Methods; Fluid Machinery; Fluid-Structure Interaction and Flow-Induced Noise in Industrial Applications; Flow Applications in Aerospace; Active Fluid Dynamics and Flow Control — Theory, Experiments and Implementation, V01AT09A015, July 10–14, 2016
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2016-7939
https://doi.org/10.1115/FEDSM2016-7939
View Paper titled, The Effect of the Thickness and Angle of the Inlet and Outlet Guide Vane on the Performance of Axial-Flow Pump
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Topics: Axial flow, Guide vanes, Pumps, Flow (Dynamics), Computational fluid dynamics, Blades, Impellers, Inlet guide vanes, Pressure, Design
Proceedings Papers

Effect of Aspect Ratios on the Performance Characteristics of Air Amplifier

Jeong-Min Lee, Yi-Seul Jo, Sung-Min Kim, Youn-Jea Kim
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT09A012, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-09337
https://doi.org/10.1115/AJKFluids2015-09337
View Paper titled, Effect of Aspect Ratios on the Performance Characteristics of Air Amplifier
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Topics: Compressed air, Computational fluid dynamics, Flow (Dynamics), Nozzles, Numerical analysis, Performance characterization, Pressure, Shear stress, Turbulence
Proceedings Papers

Effect of Port Configurations on the Performance of Hydraulic Actuator

Jin-Hyoung Kim, Su-Min Han, Youn-Jea Kim
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT09A014, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-09351
https://doi.org/10.1115/AJKFluids2015-09351
View Paper titled, Effect of Port Configurations on the Performance of Hydraulic Actuator
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Topics: Actuators, Computational fluid dynamics, Fluids, Numerical analysis, Pressure, Turbulence, Valves
Proceedings Papers

Optimal Design of Impeller for Centrifugal Compressor Under the Influence of Fluid-Structure Interaction

Hyun-Su Kang, Yoo-June Song, Youn-Jea Kim
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT02A003, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-02248
https://doi.org/10.1115/AJKFluids2015-02248
View Paper titled, Optimal Design of Impeller for Centrifugal Compressor Under the Influence of Fluid-Structure Interaction
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Topics: Compressors, Design, Fluid structure interaction, Impellers, Optimization, Composite materials, Computer simulation, Flow-induced vibrations, Geometry, Response surface methodology
Proceedings Papers

Design of Inducer-Impeller Configurations of Self-Priming Vacuum Pump Using Response Surface Method

Jae-Won Kim, Hyo-Geun Ji, Youn-Jea Kim
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT02A004, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-02249
https://doi.org/10.1115/AJKFluids2015-02249
View Paper titled, Design of Inducer-Impeller Configurations of Self-Priming Vacuum Pump Using Response Surface Method
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Topics: Design, Impellers, Response surface methodology, Vacuum pumps, Optimization, Fluids, Rotation, Rotors, Slurries, Vacuum
Proceedings Papers

Effect of Hole Pitch Ratio and Compound Angle on the Thermal Flow Fields of Double-Jet Film Cooling Hole

Moon-Young Cho, Hyeon-Seok Seo, Youn-Jea Kim
Proc. ASME. FEDSM2014, Volume 1A, Symposia: Advances in Fluids Engineering Education; Turbomachinery Flow Predictions and Optimization; Applications in CFD; Bio-Inspired Fluid Mechanics; Droplet-Surface Interactions; CFD Verification and Validation; Development and Applications of Immersed Boundary Methods; DNS, LES, and Hybrid RANS/LES Methods, V01AT02A006, August 3–7, 2014
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2014-21479
https://doi.org/10.1115/FEDSM2014-21479
View Paper titled, Effect of Hole Pitch Ratio and Compound Angle on the Thermal Flow Fields of Double-Jet Film Cooling Hole
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Topics: Film cooling, Flow (Dynamics), Blades, Gas turbines, Kidney, Shear stress, Temperature distribution, Turbulence, Vortices
Proceedings Papers

A Study on the Mechanical Stability of a-IGZO Based Inverter

Byung-Jae Kim, Youn-Jea Kim
Proc. ASME. IMECE2012, Volume 9: Micro- and Nano-Systems Engineering and Packaging, Parts A and B, 745-748, November 9–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2012-87293
https://doi.org/10.1115/IMECE2012-87293
View Paper titled, A Study on the Mechanical Stability of a-IGZO Based Inverter
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Topics: Mechanical stability, Mechanical properties, Durability, Elasticity, Mechanical admittance, Robustness, Semiconductors (Materials), Thin film transistors, Transparency