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Proceedings Papers

Heat Transfer Characteristics of an Internal Cooling Channel With Pin-Fins Using Recessed-Extruded Endwall Coupling in Gas Turbine Blade

Gia-Diem Pham, Khanh-Duy Cong Do, Duy-Hung Chung, Sung-Goon Park, Frédéric Plourde, Kwang-Yong Kim, Cong-Truong Dinh
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT15A002, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101022
https://doi.org/10.1115/GT2023-101022
View Paper titled, Heat Transfer Characteristics of an Internal Cooling Channel With Pin-Fins Using Recessed-Extruded Endwall Coupling in Gas Turbine Blade
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Topics: Blades, Cooling, Fins, Gas turbines, Heat transfer, Reynolds number, Design, Flow (Dynamics), Friction, Engineering simulation
Journal Articles

Relationship Between Flow Instability and Performance of a Centrifugal Pump With a Volute

Hyeon-Seok Shim, Kwang-Yong Kim
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. November 2020, 142(11): 111208.
Paper No: FE-20-1169
https://doi.org/10.1115/1.4047805
Published Online: August 7, 2020
View Article titled, Relationship Between Flow Instability and Performance of a Centrifugal Pump With a Volute
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Topics: Centrifugal pumps, Flow (Dynamics), Flow instability, Impellers, Pressure, Fluctuations (Physics)
Journal Articles

Design Optimization of the Impeller and Volute of a Centrifugal Pump to Improve the Hydraulic Performance and Flow Stability

Hyeon-Seok Shim, Kwang-Yong Kim
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. October 2020, 142(10): 101211.
Paper No: FE-20-1199
https://doi.org/10.1115/1.4047539
Published Online: July 13, 2020
View Article titled, Design Optimization of the Impeller and Volute of a Centrifugal Pump to Improve the Hydraulic Performance and Flow Stability
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Topics: Centrifugal pumps, Design, Flow (Dynamics), Impellers, Optimization, Stability, Pressure
Journal Articles

Effects of the Cross-Sectional Area of a Volute on Suction Recirculation and Cavitation in a Centrifugal Pump

Hyeon-Seok Shim, Kwang-Yong Kim
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. May 2020, 142(5): 051204.
Paper No: FE-19-1402
https://doi.org/10.1115/1.4045573
Published Online: February 4, 2020
View Article titled, Effects of the Cross-Sectional Area of a Volute on Suction Recirculation and Cavitation in a Centrifugal Pump
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Topics: Cavitation, Centrifugal pumps, Flow (Dynamics), Impellers, Pressure, Suction, Pumps, Reynolds-averaged Navier–Stokes equations
Journal Articles

Analysis and Optimization of Staggered Partial Diffuser Vanes in a Centrifugal Pump

Hyeon-Seok Shim, Sang-Hoon Kim, Kwang-Yong Kim
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. May 2020, 142(5): 051207.
Paper No: FE-19-1503
https://doi.org/10.1115/1.4045714
Published Online: February 4, 2020
View Article titled, Analysis and Optimization of Staggered Partial Diffuser Vanes in a Centrifugal Pump
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Topics: Design, Diffusers, Centrifugal pumps, Optimization, Pressure
Proceedings Papers

Investigation of Unsteady Performance Characteristics of a Submersible Axial-Flow Pump for Different IGV and Blade Pitch Angles

Youn-Sung Kim, Hyeon-Seok Shim, Kwang-Yong Kim
Proc. ASME. AJKFluids2019, Volume 3A: Fluid Applications and Systems, V03AT03A021, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-4860
https://doi.org/10.1115/AJKFluids2019-4860
View Paper titled, Investigation of Unsteady Performance Characteristics of a Submersible Axial-Flow Pump for Different IGV and Blade Pitch Angles
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Topics: Axial flow, Blades, Inlet guide vanes, Performance characterization, Pumps, Submersibles
Journal Articles

Evaluation of Rotor–Stator Interface Models for the Prediction of the Hydraulic and Suction Performance of a Centrifugal Pump

Hyeon-Seok Shim, Kwang-Yong Kim
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. November 2019, 141(11): 111106.
Paper No: FE-19-1010
https://doi.org/10.1115/1.4043272
Published Online: May 8, 2019
View Article titled, Evaluation of Rotor–Stator Interface Models for the Prediction of the Hydraulic and Suction Performance of a Centrifugal Pump
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Topics: Centrifugal pumps, Flow (Dynamics), Rotors, Stators, Suction, Impellers, Pressure, Design
Proceedings Papers

Interactional Effects of Inlet Guide Vane and Blade Angle on Hydraulic Performance Characteristics of a Submersible Axial-Flow Pump

Youn-Sung Kim, Hyeon-Seok Shim, Kwang-Yong Kim
Proc. ASME. FEDSM2018, Volume 3: Fluid Machinery; Erosion, Slurry, Sedimentation; Experimental, Multiscale, and Numerical Methods for Multiphase Flows; Gas-Liquid, Gas-Solid, and Liquid-Solid Flows; Performance of Multiphase Flow Systems; Micro/Nano-Fluidics, V003T12A013, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2018-83126
https://doi.org/10.1115/FEDSM2018-83126
View Paper titled, Interactional Effects of Inlet Guide Vane and Blade Angle on Hydraulic Performance Characteristics of a Submersible Axial-Flow Pump
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Topics: Axial flow, Blades, Inlet guide vanes, Performance characterization, Pumps, Submersibles, Design, Navier-Stokes equations, Pressure, Shear stress
Proceedings Papers

Multi-Objective Optimization of Inclined Discrete Cavities in a Centrifugal Compressor Using Hybrid Optimization Techniques

Sang-Bum Ma, Kwang-Yong Kim
Proc. ASME. GT2018, Volume 2D: Turbomachinery, V02DT46A011, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76076
https://doi.org/10.1115/GT2018-76076
View Paper titled, Multi-Objective Optimization of Inclined Discrete Cavities in a Centrifugal Compressor Using Hybrid Optimization Techniques
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Topics: Cavities, Compressors, Optimization, Pareto optimization, Design, Artificial neural networks, Genetic algorithms, Impellers, Navier-Stokes equations, Particle swarm optimization
Journal Articles

Three-Objective Optimization of a Centrifugal Pump to Reduce Flow Recirculation and Cavitation

Hyeon-Seok Shim, Kwang-Yong Kim, Young-Seok Choi
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. September 2018, 140(9): 091202.
Paper No: FE-17-1674
https://doi.org/10.1115/1.4039511
Published Online: April 19, 2018
View Article titled, Three-Objective Optimization of a Centrifugal Pump to Reduce Flow Recirculation and Cavitation
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Topics: Cavitation, Centrifugal pumps, Design, Flow (Dynamics), Impellers, Optimization, Suction, Blades, Reynolds-averaged Navier–Stokes equations
Proceedings Papers

Effects of a Circumferential Feed-Back Channel on Aerodynamic Performance of a Single-Stage Transonic Axial Compressor

Cong-Truong Dinh, Sang-Bum Ma, Kwang-Yong Kim
Proc. ASME. GT2017, Volume 2A: Turbomachinery, V02AT39A014, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63536
https://doi.org/10.1115/GT2017-63536
View Paper titled, Effects of a Circumferential Feed-Back Channel on Aerodynamic Performance of a Single-Stage Transonic Axial Compressor
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Topics: Compressors, Rotors, NASA, Navier-Stokes equations, Shapes
Proceedings Papers

Aerodynamic Performances of a Centrifugal Compressor With Discrete Cavities

Sang-Bum Ma, Kwang-Yong Kim
Proc. ASME. GT2017, Volume 2C: Turbomachinery, V02CT44A011, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63535
https://doi.org/10.1115/GT2017-63535
View Paper titled, Aerodynamic Performances of a Centrifugal Compressor With Discrete Cavities
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Topics: Cavities, Compressors, Geometry, Impellers, Navier-Stokes equations, Pressure, Shear stress, Turbulence
Proceedings Papers

Optimization of a Two-Stage Transonic Axial Fan to Enhance Aerodynamic Stability

Sang-Bum Ma, Arshad Afzal, Kwang-Yong Kim, Jaeho Choi, Wonsuk Lee
Proc. ASME. GT2016, Volume 2C: Turbomachinery, V02CT39A010, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56261
https://doi.org/10.1115/GT2016-56261
View Paper titled, Optimization of a Two-Stage Transonic Axial Fan to Enhance Aerodynamic Stability
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Topics: Optimization, Stability, Design, Approximation, Chords (Trusses), Genetic algorithms, Modeling, Navier-Stokes equations, Pareto optimization, Response surface methodology
Journal Articles

Double-Layer Microchannel Heat Sinks With Transverse-Flow Configurations

Danish Ansari, Kwang-Yong Kim
Journal: Journal of Electronic Packaging
Publisher: ASME
Article Type: Research-Article
J. Electron. Packag. September 2016, 138(3): 031005.
Paper No: EP-16-1041
https://doi.org/10.1115/1.4033558
Published Online: May 19, 2016
View Article titled, Double-Layer Microchannel Heat Sinks With Transverse-Flow Configurations
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Topics: Flow (Dynamics), Heat sinks, Microchannels, Temperature, Thermal resistance, Design, Fluids
Proceedings Papers

High-Efficiency Design Technique of a Single-Channel Submersible Pump Impeller for Waste Treatment

Bo-Min Cho, Joon-Hyung Kim, Young-Seok Choi, Kyoung-Yong Lee, Hye-Young Oh, Kwang-Yong Kim, Youn-Sung Kim, Jin-Hyuk Kim
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT09A006, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-09203
https://doi.org/10.1115/AJKFluids2015-09203
View Paper titled, High-Efficiency Design Technique of a Single-Channel Submersible Pump Impeller for Waste Treatment
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Topics: Engineering design processes, Pump impellers, Submersibles, Waste treatment, Design, Optimization, Flow (Dynamics), Impellers, Internal flow, Navier-Stokes equations
Proceedings Papers

Geometrical Effects on Fluid Mixing of Pulsatile Flow in Convergent-Divergent Micromixer

Arshad Afzal, Kwang-Yong Kim
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT24A005, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-24554
https://doi.org/10.1115/AJKFluids2015-24554
View Paper titled, Geometrical Effects on Fluid Mixing of Pulsatile Flow in Convergent-Divergent Micromixer
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Topics: Fluids, Pulsatile flow, Flow (Dynamics), Convection, Diffusion (Physics), Microchannels, Microscale devices, Navier-Stokes equations, Reynolds number, Wavelength
Proceedings Papers

Aerodynamic Performance Analysis of a Bobsleigh Body Shape

Hyeon-Seok Shim, Hyo-Yeon Jung, Kwang-Yong Kim
Proc. ASME. IMECE2015, Volume 7B: Fluids Engineering Systems and Technologies, V07BT09A055, November 13–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2015-54168
https://doi.org/10.1115/IMECE2015-54168
View Paper titled, Aerodynamic Performance Analysis of a Bobsleigh Body Shape
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Topics: Drag (Fluid dynamics), Navier-Stokes equations, Shapes, Turbulence
Proceedings Papers

Spent Flow Effects of Multiple Micro-Jet Impingement Cooling Models

Afzal Husain, Nasser A. Al-Azri, Abdus Samad, Sun-Min Kim, Kwang-Yong Kim
Proc. ASME. AJKFluids2015, Volume 2: Fora, V002T18A001, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-18663
https://doi.org/10.1115/AJKFluids2015-18663
View Paper titled, Spent Flow Effects of Multiple Micro-Jet Impingement Cooling Models
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Topics: Flow (Dynamics), Impingement cooling, Pressure drop, Computer cooling, Design, Heat sinks, Heat transfer coefficients, Jets, Laminar flow, Navier-Stokes equations
Proceedings Papers

Aerodynamic and Aeroacoustic Analyses of a Regenerative Blower

Man-Woong Heo, Tae-Wan Seo, Chung-Suk Lee, Kwang-Yong Kim
Proc. ASME. GT2015, Volume 1: Aircraft Engine; Fans and Blowers; Marine, V001T09A001, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42050
https://doi.org/10.1115/GT2015-42050
View Paper titled, Aerodynamic and Aeroacoustic Analyses of a Regenerative Blower
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Topics: Blades, Flow (Dynamics), Gates (Closures), Leakage flows, Navier-Stokes equations, Shear stress, Turbulence, Unsteady flow
Proceedings Papers

Aerodynamic Investigation of a Single-Stage Axial Compressor With a Casing Groove and Tip Injection Using Fluid-Structure Interaction Analysis

Sang-Bum Ma, Man-Woong Heo, Kwang-Yong Kim, Jaeho Choi
Proc. ASME. GT2015, Volume 2B: Turbomachinery, V02BT39A007, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42121
https://doi.org/10.1115/GT2015-42121
View Paper titled, Aerodynamic Investigation of a Single-Stage Axial Compressor With a Casing Groove and Tip Injection Using Fluid-Structure Interaction Analysis
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Topics: Compressors, Fluid structure interaction, Blades, Deformation, Stability, Navier-Stokes equations, Pressure, Rotors, Turbulence