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Journal Articles

On the Effect of Side Clearance in the Vaned Diffuser of a Centrifugal Compressor

Lee Gibson, Stephen Spence, Charles Stuart, Andre Starke, Sung In Kim
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2023, 145(7): 071006.
Paper No: TURBO-22-1334
https://doi.org/10.1115/1.4056714
Published Online: February 10, 2023
View Article titled, On the Effect of Side Clearance in the Vaned Diffuser of a Centrifugal Compressor
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Topics: Clearances (Engineering), Compressors, Computational fluid dynamics, Diffusers, Flow (Dynamics), Geometry, Pressure, Surges, Stability
Journal Articles

Investigation of a Novel Turbine Housing to Produce a Nonuniform Spanwise Flow Field at the Inlet to a Mixed Flow Turbine and Provide Variable Geometry Capabilities

Richard Morrison, Stephen Spence, Charles Stuart, Sung In Kim, Andre Starke, Thomas Leonard
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2023, 145(6): 061013.
Paper No: TURBO-22-1033
https://doi.org/10.1115/1.4056388
Published Online: January 30, 2023
View Article titled, Investigation of a Novel Turbine Housing to Produce a Nonuniform Spanwise Flow Field at the Inlet to a Mixed Flow Turbine and Provide Variable Geometry Capabilities
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Topics: Design, Flow (Dynamics), Rotors, Turbines, Geometry
Proceedings Papers

On the Effect of Side Clearance in the Vaned Diffuser of a Centrifugal Compressor

Lee Gibson, Stephen Spence, Charles Stuart, Andre Starke, Sung In Kim
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A011, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82423
https://doi.org/10.1115/GT2022-82423
View Paper titled, On the Effect of Side Clearance in the Vaned Diffuser of a Centrifugal Compressor
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Topics: Clearances (Engineering), Compressors, Diffusers
Proceedings Papers

HCF Optimization of a High Speed Variable Geometry Turbine

Alister Simpson, Sung in Kim, Jongyoon Park, Seong Kwon, Sejong Yoo
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT26A010, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59626
https://doi.org/10.1115/GT2021-59626
View Paper titled, HCF Optimization of a High Speed Variable Geometry Turbine
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Topics: Geometry, High cycle fatigue, Optimization, Turbines, Blades, Stress, Computational fluid dynamics, Pressure, Vibration, Cycles
Proceedings Papers

Aerodynamic Design Optimization of a Variable Geometry Nozzle Vane For Automotive Turbochargers

Lee Galloway, Sung in Kim, Jongyoon Park, Seong Kwon, Sejong Yoo
Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT34A032, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59616
https://doi.org/10.1115/GT2021-59616
View Paper titled, Aerodynamic Design Optimization of a Variable Geometry Nozzle Vane For Automotive Turbochargers
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Topics: Design, Geometry, Nozzles, Optimization, Turbines, Turbochargers
Proceedings Papers

Investigation of a Novel Turbine Housing to Produce a Non-Uniform Spanwise Flow Field at the Inlet to a Mixed Flow Turbine and Provide Variable Geometry Capabilities

Richard Morrison, Charles Stuart, Sung In Kim, Stephen Spence, Andre Starke, Thomas Leonard
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT37A007, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59382
https://doi.org/10.1115/GT2021-59382
View Paper titled, Investigation of a Novel Turbine Housing to Produce a Non-Uniform Spanwise Flow Field at the Inlet to a Mixed Flow Turbine and Provide Variable Geometry Capabilities
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Topics: Flow (Dynamics), Geometry, Turbines, Design, Engines, Flow separation, Rotors, Transients (Dynamics), Turbochargers, Automotive engines
Proceedings Papers

An Investigation Into the Effect of Clearance Aspect Ratio on the Performance of a Variable Geometry Vaned Diffuser for Automotive Turbocharger Application

Lee Gibson, Stephen Spence, Sung In Kim, Charles Stuart, Martin Schwitzke, Andre Starke, Dietmar Filsinger
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET39A019, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14905
https://doi.org/10.1115/GT2020-14905
View Paper titled, An Investigation Into the Effect of Clearance Aspect Ratio on the Performance of a Variable Geometry Vaned Diffuser for Automotive Turbocharger Application
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Topics: Clearances (Engineering), Diffusers, Geometry, Turbochargers, Compressors, Flow (Dynamics), Design, Engines, Engineering simulation, Impellers
Journal Articles

Evaluating the Use of Leaned Stator Vanes to Produce a Non-Uniform Flow Distribution Across the Inlet Span of a Mixed Flow Turbine Rotor

Richard Morrison, Stephen Spence, Sung In Kim, Thomas Leonard, Andre Starke
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2020, 142(12): 121001.
Paper No: TURBO-20-1088
https://doi.org/10.1115/1.4047811
Published Online: October 19, 2020
View Article titled, Evaluating the Use of Leaned Stator Vanes to Produce a Non-Uniform Flow Distribution Across the Inlet Span of a Mixed Flow Turbine Rotor
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Topics: Design, Flow (Dynamics), Rotors, Stators, Turbines, Blades, Computational fluid dynamics
Proceedings Papers

Evaluating the Use of Leaned Stator Vanes to Produce a Non-Uniform Flow Distribution Across the Inlet Span of a Mixed Flow Turbine Rotor

Richard Morrison, Stephen Spence, Sung In Kim, Thomas Leonard, Andre Starke
Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT44A007, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90398
https://doi.org/10.1115/GT2019-90398
View Paper titled, Evaluating the Use of Leaned Stator Vanes to Produce a Non-Uniform Flow Distribution Across the Inlet Span of a Mixed Flow Turbine Rotor
Open the PDF for Evaluating the Use of Leaned Stator Vanes to Produce a Non-Uniform Flow Distribution Across the Inlet Span of a Mixed Flow Turbine Rotor in another window
Topics: Flow (Dynamics), Rotors, Stators, Turbines, Design, Computational fluid dynamics, Turbochargers, Engines, Angular momentum, Automotive industry
Journal Articles

A Three-Zone Modeling Approach for Centrifugal Compressor Slip Factor Prediction

Charles Stuart, Stephen Spence, Dietmar Filsinger, Andre Starke, Sung In Kim
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. March 2019, 141(3): 031008.
Paper No: TURBO-18-1288
https://doi.org/10.1115/1.4042248
Published Online: January 16, 2019
View Article titled, A Three-Zone Modeling Approach for Centrifugal Compressor Slip Factor Prediction
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Topics: Blades, Compressors, Computational fluid dynamics, Flow (Dynamics), Impellers, Modeling, Wakes, Geometry
Journal Articles

An Investigation of Centrifugal Compressor Stability Enhancement Using a Novel Vaned Diffuser Recirculation Technique

Lee Galloway, Daniel Rusch, Stephen Spence, Klemens Vogel, René Hunziker, Sung In Kim
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. December 2018, 140(12): 121009.
Paper No: TURBO-18-1130
https://doi.org/10.1115/1.4041601
Published Online: November 8, 2018
View Article titled, An Investigation of Centrifugal Compressor Stability Enhancement Using a Novel Vaned Diffuser Recirculation Technique
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Topics: Diffusers, Flow (Dynamics), Compressors, Pressure, Stability
Proceedings Papers

A Three-Zone Modelling Approach for Centrifugal Compressor Slip Factor Prediction

Charles Stuart, Stephen Spence, Dietmar Filsinger, Andre Starke, Sung In Kim
Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT44A005, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75324
https://doi.org/10.1115/GT2018-75324
View Paper titled, A Three-Zone Modelling Approach for Centrifugal Compressor Slip Factor Prediction
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Topics: Compressors, Modeling, Flow (Dynamics), Impellers, Computational fluid dynamics, Wakes, Design, Engineering simulation, Engines, Geometry
Journal Articles

An Investigation of the Stability Enhancement of a Centrifugal Compressor Stage Using a Porous Throat Diffuser

Lee Galloway, Stephen Spence, Sung In Kim, Daniel Rusch, Klemens Vogel, René Hunziker
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. January 2018, 140(1): 011008.
Paper No: TURBO-17-1157
https://doi.org/10.1115/1.4038181
Published Online: October 31, 2017
View Article titled, An Investigation of the Stability Enhancement of a Centrifugal Compressor Stage Using a Porous Throat Diffuser
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Topics: Compressors, Diffusers, Flow (Dynamics), Pressure, Surges, Stability, Cavities
Journal Articles

Characterizing the Influence of Impeller Exit Recirculation on Centrifugal Compressor Work Input

Charles Stuart, Stephen Spence, Dietmar Filsinger, Andre Starke, Sung In Kim
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. January 2018, 140(1): 011005.
Paper No: TURBO-17-1147
https://doi.org/10.1115/1.4038120
Published Online: October 25, 2017
View Article titled, Characterizing the Influence of Impeller Exit Recirculation on Centrifugal Compressor Work Input
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Topics: Compressors, Flow (Dynamics), Impellers, Computational fluid dynamics, Modeling
Proceedings Papers

Characterising the Influence of Impeller Exit Recirculation on Centrifugal Compressor Work Input

Charles Stuart, Stephen Spence, Dietmar Filsinger, Andre Starke, Sung In Kim
Proc. ASME. GT2017, Volume 2C: Turbomachinery, V02CT44A001, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63047
https://doi.org/10.1115/GT2017-63047
View Paper titled, Characterising the Influence of Impeller Exit Recirculation on Centrifugal Compressor Work Input
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Topics: Compressors, Impellers, Flow (Dynamics), Computational fluid dynamics, Turbochargers, Design, Geometry, Modeling, Pressure, Temperature
Proceedings Papers

An Investigation of the Stability Enhancement of a Centrifugal Compressor Stage Using a Porous Throat Diffuser

Lee Galloway, Stephen Spence, Sung In Kim, Daniel Rusch, Klemens Vogel, René Hunziker
Proc. ASME. GT2017, Volume 2C: Turbomachinery, V02CT44A002, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63071
https://doi.org/10.1115/GT2017-63071
View Paper titled, An Investigation of the Stability Enhancement of a Centrifugal Compressor Stage Using a Porous Throat Diffuser
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Topics: Compressors, Diffusers, Stability, Flow (Dynamics), Pressure, Stall inception, Cavities, Compression, Delays, Engines
Proceedings Papers

An Evaluation of Vaneless Diffuser Modelling Methods as a Means of Improving the Off-Design Performance Prediction of Centrifugal Compressors

Charles Stuart, Stephen Spence, Dietmar Filsinger, Andre Starke, Sung In Kim, Peter Harley
Proc. ASME. GT2015, Volume 2C: Turbomachinery, V02CT42A021, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42657
https://doi.org/10.1115/GT2015-42657
View Paper titled, An Evaluation of Vaneless Diffuser Modelling Methods as a Means of Improving the Off-Design Performance Prediction of Centrifugal Compressors
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Topics: Compressors, Design, Modeling, Vaneless diffusers, Diffusers, Impellers, Computational fluid dynamics, Flow (Dynamics), Engineering simulation, Mach number
Proceedings Papers

Numerical Study of Film Cooling Scheme on a Blunt-Nosed Body in Hypersonic Flow

Sung In Kim, Ibrahim Hassan
Proc. ASME. IMECE2010, Volume 7: Fluid Flow, Heat Transfer and Thermal Systems, Parts A and B, 267-276, November 12–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2010-40496
https://doi.org/10.1115/IMECE2010-40496
View Paper titled, Numerical Study of Film Cooling Scheme on a Blunt-Nosed Body in Hypersonic Flow
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Topics: Film cooling, Hypersonic flow, Cooling, Heating, Boundary-value problems, Construction, Flight, Gas turbines, Inflow, Mach number
Journal Articles

Numerical Study of Film Cooling Scheme on a Blunt-Nosed Body in Hypersonic Flow

Sung In Kim, Ibrahim Hassan
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Technical Briefs
J. Thermal Sci. Eng. Appl. December 2011, 3(4): 044501.
https://doi.org/10.1115/1.4005052
Published Online: October 13, 2011
View Article titled, Numerical Study of Film Cooling Scheme on a Blunt-Nosed Body in Hypersonic Flow
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Topics: Cooling, Film cooling, Hypersonic flow, Mach number, Turbulence, Temperature, Flow (Dynamics), Space vehicles
Journal Articles

Effects of Inlet Temperature Uniformity and Nonuniformity on the Tip Leakage Flow and Rotor Blade Tip and Casing Heat Transfer Characteristics

Md. Hamidur Rahman, Sung In Kim, Ibrahim Hassan
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2012, 134(2): 021001.
https://doi.org/10.1115/1.4003211
Published Online: June 21, 2011
View Article titled, Effects of Inlet Temperature Uniformity and Nonuniformity on the Tip Leakage Flow and Rotor Blade Tip and Casing Heat Transfer Characteristics
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Topics: Blades, Flow (Dynamics), Heat transfer, Leakage flows, Pressure, Rotors, Temperature, Stators, Turbines, Computational fluid dynamics