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Proceedings Papers

The Effect of Casing Coolant Injection on Aerodynamic Loss in a Linear Turbine Cascade With Tip Clearance

Dunam Hong, Minsuk Choi, Myungho Kim, Seung Jin Song

Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A004, June 13–17, 2022

Paper No: GT2022-80252

DOI: https://doi.org/10.1115/GT2022-80252

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Topics: Cascades (Fluid dynamics), Clearances (Engineering), Coolants, Turbines

Journal Articles

Periodic Unsteady Kinematics of Hub Flows in a Shrouded Multistage Compressor

Jaehyoung Lee, Sungkyung Lim, Hyoun-Woo Shin, Sungryong Lee, Seung Jin Song

J. Eng. Gas Turbines Power. April 2022, 144(4): 041011.

Paper No: GTP-21-1571

DOI: https://doi.org/10.1115/1.4053106

Published Online: January 21, 2022

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Topics: Compressors, Flow (Dynamics), Rotors, Stators, Wakes, Corners (Structural elements), Separation (Technology), Vorticity

Proceedings Papers

Periodic Unsteady Kinematics of Hub Flows in a Shrouded Multistage Compressor

Jaehyoung Lee, Sungkyung Lim, Hyoun-Woo Shin, Sungryong Lee, Seung Jin Song

Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A005, June 7–11, 2021

Paper No: GT2021-58551

DOI: https://doi.org/10.1115/GT2021-58551

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Topics: Compressors, Corners (Structural elements), Flow (Dynamics), Kinematics, Separation (Technology), Wakes

Proceedings Papers

Influence of Surface Roughness on the Flat-Plate Boundary Layer Transition Under a High-Lift Airfoil Pressure Gradient and Low Freestream Turbulence

Heechan Jeong, Seung Jin Song

Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT32A006, June 7–11, 2021

Paper No: GT2021-59192

DOI: https://doi.org/10.1115/GT2021-59192

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Topics: Airfoils, Boundary layers, Bubbles, Flat plates, Pressure gradient, Separation (Technology), Surface roughness, Turbulence

Journal Articles

Surface Roughness Impact on Boundary Layer Transition and Loss Mechanisms Over a Flat-Plate Under a Low-Pressure Turbine Pressure Gradient

Heechan Jeong, Seung Jin Song

J. Turbomach. January 2022, 144(1): 011005.

Paper No: TURBO-20-1298

DOI: https://doi.org/10.1115/1.4051937

Published Online: September 7, 2021

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Topics: Boundary layers, Surface roughness, Momentum, Turbulence, Shear stress, Turbines

Proceedings Papers

Non-Axisymmetric Flows and Rotordynamic Forces in an Eccentric Shrouded Centrifugal Compressor: Part 1 — Measurement

Jieun Song, Suyong Kim, Tae Choon Park, Bong-Jun Cha, Dong Hun Lim, Joo Sung Hong, Tae Wook Lee, Seung Jin Song

Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT34A007, June 17–21, 2019

Paper No: GT2019-90237

DOI: https://doi.org/10.1115/GT2019-90237

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Topics: Compressors, Flow (Dynamics), Stiffness, Pressure, Cavities, Pressure measurement

Proceedings Papers

Non-Axisymmetric Flows and Rotordynamic Forces in an Eccentric Shrouded Centrifugal Compressor: Part 2 — Analysis

Jieun Song, Seung Jin Song

Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT34A018, June 17–21, 2019

Paper No: GT2019-90669

DOI: https://doi.org/10.1115/GT2019-90669

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Topics: Compressors, Flow (Dynamics), Cavities, Pressure, Blades, Boundary-value problems, Impellers, Stiffness, Excitation, Geometry

Journal Articles

Non-Axisymmetric Flows and Rotordynamic Forces in an Eccentric Shrouded Centrifugal Compressor—Part 2: Analysis

Jieun Song, Seung Jin Song

J. Eng. Gas Turbines Power. November 2019, 141(11): 111015.

Paper No: GTP-19-1477

DOI: https://doi.org/10.1115/1.4044875

Published Online: October 16, 2019

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Topics: Blades, Cavities, Compressors, Flow (Dynamics), Pressure, Boundary-value problems, Momentum

Journal Articles

Non-Axisymmetric Flows and Rotordynamic Forces in an Eccentric Shrouded Centrifugal Compressor—Part 1: Measurement

Jieun Song, Suyong Kim, Tae Choon Park, Bong-Jun Cha, Dong Hun Lim, Joo Sung Hong, Tae Wook Lee, Seung Jin Song

J. Eng. Gas Turbines Power. November 2019, 141(11): 111014.

Paper No: GTP-19-1475

DOI: https://doi.org/10.1115/1.4044874

Published Online: October 16, 2019

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Topics: Cavities, Compressors, Flow (Dynamics), Pressure, Stiffness, Rotors, Instrumentation

Journal Articles

Visualization of Rotating Cavitation Oscillation Mechanism in a Turbopump Inducer

Junho Kim, Seung Jin Song

J. Fluids Eng. September 2019, 141(9): 091103.

Paper No: FE-18-1543

DOI: https://doi.org/10.1115/1.4042884

Published Online: March 18, 2019

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Topics: Cavitation, Blades, Vortices, Leakage, Oscillations

Journal Articles

Measurement of Transitional Surface Roughness Effects on Flat-Plate Boundary Layer Transition

Heechan Jeong, Seung Woo Lee, Seung Jin Song

J. Fluids Eng. July 2019, 141(7): 074501.

Paper No: FE-18-1145

DOI: https://doi.org/10.1115/1.4042258

Published Online: January 14, 2019

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Topics: Boundary layers, Surface roughness, Turbulence, Flat plates, Momentum

Proceedings Papers

Influence of Flow Coefficient on the Unsteady Impeller Loading Induced by the Impeller-Diffuser Interaction

Dongjae Kong, Seung Jin Song

Proc. ASME. GT2018, Volume 2A: Turbomachinery, V02AT45A010, June 11–15, 2018

Paper No: GT2018-75584

DOI: https://doi.org/10.1115/GT2018-75584

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Topics: Diffusers, Flow (Dynamics), Impellers, Design, Simulation, Pressure, Engineering simulation, Blades, Fluctuations (Physics), Fourier transforms

Proceedings Papers

Unsteady Measurement of Core Penetration Flow in a Turbine Rotor-Stator Disc Cavity

You Il Kim, Seung Jin Song

Proc. ASME. GT2017, Volume 5B: Heat Transfer, V05BT15A020, June 26–30, 2017

Paper No: GT2017-64297

DOI: https://doi.org/10.1115/GT2017-64297

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Topics: Cavities, Disks, Flow (Dynamics), Rotors, Stators, Turbines, Annulus, Pressure, Air flow, Pressure gradient

Proceedings Papers

An Analytical Model of Flow-Induced Rotordynamic Forces in Shrouded Centrifugal Pump Impellers

Jieun Song, Seung Jin Song

Proc. ASME. GT2016, Volume 7A: Structures and Dynamics, V07AT30A009, June 13–17, 2016

Paper No: GT2016-57277

DOI: https://doi.org/10.1115/GT2016-57277

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Topics: Centrifugal pumps, Flow (Dynamics), Impellers, Stiffness, Pumps, Actuators, Blades, Disks, Ducts, Geometry

Journal Articles

Measurement of Temperature Effects on Cavitation in a Turbopump Inducer

Junho Kim, Seung Jin Song

J. Fluids Eng. January 2016, 138(1): 011304.

Paper No: FE-14-1462

DOI: https://doi.org/10.1115/1.4030842

Published Online: August 20, 2015

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Topics: Cavitation

Journal Articles

Mixing and Entrainment Characteristics in Circular Short Ejectors

Ju Hyun Im, Seung Jin Song

J. Fluids Eng. May 2015, 137(5): 051103.

Paper No: FE-14-1140

DOI: https://doi.org/10.1115/1.4029412

Published Online: May 1, 2015

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Topics: Ducts, Ejectors, Flow (Dynamics), Pressure

Proceedings Papers

Measurement of Turbine Blade-Tip Rotordynamic Excitation Forces

Manuel Martinez-Sanchez, Belgacem Jaroux, Seung Jin Song, Soomyung Yoo

Proc. ASME. GT1993, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A058, May 24–27, 1993

Paper No: 93-GT-125

DOI: https://doi.org/10.1115/93-GT-125

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Topics: Blades, Excitation, Turbines, Pressure, Flow (Dynamics), Dynamometers, Leakage, Rotors, Stators

Proceedings Papers

Rotordynamic Forces due to Turbine Tip Leakage: Part I — Blade Scale Effects

Seung Jin Song, Manual Martinez-Sanchez

Proc. ASME. GT1996, Volume 1: Turbomachinery, V001T01A094, June 10–13, 1996

Paper No: 96-GT-364

DOI: https://doi.org/10.1115/96-GT-364

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Topics: Blades, Leakage, Turbines, Flow (Dynamics), Clearances (Engineering), Rotors, Shear (Mechanics), Actuators, Disks

Proceedings Papers

Rotordynamic Forces due to Turbine Tip Leakage: Part II — Radius Scale Effects and Experimental Verification

Seung Jin Song, Manual Martinez-Sanchez

Proc. ASME. GT1996, Volume 1: Turbomachinery, V001T01A095, June 10–13, 1996

Paper No: 96-GT-365

DOI: https://doi.org/10.1115/96-GT-365

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Topics: Leakage, Turbines, Rotors, Flow (Dynamics), Clearances (Engineering), Spin (Aerodynamics), Spinning (Textile), Whirls, Actuators, Blades

Proceedings Papers

An Experimental Facility Design to Determine Rotordynamic Coefficients due to Tip Clearance Asymmetry in Axial Turbines

Seung Hyub Oh, Seung Jin Song, Yong Shik Hong

Proc. ASME. TA1997, ASME 1997 Turbo Asia Conference, V001T03A006, September 30–October 2, 1997

Paper No: 97-AA-018

DOI: https://doi.org/10.1115/97-AA-018

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Topics: Clearances (Engineering), Design, Turbines, Rotors, Whirls, Damping, Pressure, Probes, Stiffness, Blades

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Journal citation

NARROW

The Effect of Casing Coolant Injection on Aerodynamic Loss in a Linear Turbine Cascade With Tip Clearance

Periodic Unsteady Kinematics of Hub Flows in a Shrouded Multistage Compressor

Periodic Unsteady Kinematics of Hub Flows in a Shrouded Multistage Compressor

Influence of Surface Roughness on the Flat-Plate Boundary Layer Transition Under a High-Lift Airfoil Pressure Gradient and Low Freestream Turbulence

Surface Roughness Impact on Boundary Layer Transition and Loss Mechanisms Over a Flat-Plate Under a Low-Pressure Turbine Pressure Gradient

Non-Axisymmetric Flows and Rotordynamic Forces in an Eccentric Shrouded Centrifugal Compressor: Part 1 — Measurement

Non-Axisymmetric Flows and Rotordynamic Forces in an Eccentric Shrouded Centrifugal Compressor: Part 2 — Analysis

Non-Axisymmetric Flows and Rotordynamic Forces in an Eccentric Shrouded Centrifugal Compressor—Part 2: Analysis

Non-Axisymmetric Flows and Rotordynamic Forces in an Eccentric Shrouded Centrifugal Compressor—Part 1: Measurement

Visualization of Rotating Cavitation Oscillation Mechanism in a Turbopump Inducer

Measurement of Transitional Surface Roughness Effects on Flat-Plate Boundary Layer Transition

Influence of Flow Coefficient on the Unsteady Impeller Loading Induced by the Impeller-Diffuser Interaction

Unsteady Measurement of Core Penetration Flow in a Turbine Rotor-Stator Disc Cavity

An Analytical Model of Flow-Induced Rotordynamic Forces in Shrouded Centrifugal Pump Impellers

Measurement of Temperature Effects on Cavitation in a Turbopump Inducer

Mixing and Entrainment Characteristics in Circular Short Ejectors

Measurement of Turbine Blade-Tip Rotordynamic Excitation Forces

Rotordynamic Forces due to Turbine Tip Leakage: Part I — Blade Scale Effects

Rotordynamic Forces due to Turbine Tip Leakage: Part II — Radius Scale Effects and Experimental Verification

An Experimental Facility Design to Determine Rotordynamic Coefficients due to Tip Clearance Asymmetry in Axial Turbines

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