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Proceedings Papers

Insights Into Turbocharger Centrifugal Compressor Stability Using High-Fidelity CFD and a Novel Impeller Diffusion Factor

Yiming Liu, Stephen Spence, John Horsley, Stuart Mann, Charles Stuart
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT35A005, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-123825
https://doi.org/10.1115/GT2024-123825
View Paper titled, Insights Into Turbocharger Centrifugal Compressor Stability Using High-Fidelity CFD and a Novel Impeller Diffusion Factor
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Topics: Compressors, Computational fluid dynamics, Diffusion (Physics), Impellers, Stability, Turbochargers
Journal Articles

Investigation of the Map Width Improvement in a Radially Reduced Diffuser Design Concept for a Centrifugal Compressor

Laura McLaughlin, Stephen Spence, Daniel Rusch, Charles Stuart, Marco Geron, Kwok Kai So, Magnus Fischer
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2024, 146(11): 111001.
Paper No: TURBO-23-1125
https://doi.org/10.1115/1.4065373
Published Online: May 23, 2024
View Article titled, Investigation of the Map Width Improvement in a Radially Reduced Diffuser Design Concept for a Centrifugal Compressor
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Topics: Compressors, Design, Diffusers, Flow (Dynamics), Pressure, Shapes
Journal Articles

Investigating the Suitability of Multi-Scroll Volutes for Improving Spanwise Incidence of Mixed Flow Turbine Rotors With Varying Blade Cone Angles in Automotive Turbocharging Applications

Peter Martin, Stephen Spence, Charles Stuart, Thomas Leonard, Andre Starke, Marco Geron
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2024, 146(6): 061009.
Paper No: TURBO-23-1176
https://doi.org/10.1115/1.4064339
Published Online: January 29, 2024
View Article titled, Investigating the Suitability of Multi-Scroll Volutes for Improving Spanwise Incidence of Mixed Flow Turbine Rotors With Varying Blade Cone Angles in Automotive Turbocharging Applications
Open the PDF for Investigating the Suitability of Multi-Scroll Volutes for Improving Spanwise Incidence of Mixed Flow Turbine Rotors With Varying Blade Cone Angles in Automotive Turbocharging Applications in another window
Topics: Design, Flow (Dynamics), Rotors, Blades, Turbines
Proceedings Papers

A Numerical Investigation of the Design Point Performance for a Centrifugal Compressor With a Parameterized Volute

Laura McLaughlin, Charles Stuart, Stephen Spence, Daniel Rusch, Marco Geron, Kwok Kai So, Erich Kreiselmaier
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT35A003, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101008
https://doi.org/10.1115/GT2023-101008
View Paper titled, A Numerical Investigation of the Design Point Performance for a Centrifugal Compressor With a Parameterized Volute
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Topics: Compressors, Design
Proceedings Papers

Investigating the Suitability of Multi-Scroll Volutes for Improving Spanwise Incidence of Mixed Flow Turbine Rotors With Varying Blade Cone Angles in Automotive Turbocharging Applications

Peter Martin, Stephen Spence, Charles Stuart, Andre Starke, Thomas Leonard, Marco Geron
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT35A004, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101738
https://doi.org/10.1115/GT2023-101738
View Paper titled, Investigating the Suitability of Multi-Scroll Volutes for Improving Spanwise Incidence of Mixed Flow Turbine Rotors With Varying Blade Cone Angles in Automotive Turbocharging Applications
Open the PDF for Investigating the Suitability of Multi-Scroll Volutes for Improving Spanwise Incidence of Mixed Flow Turbine Rotors With Varying Blade Cone Angles in Automotive Turbocharging Applications in another window
Topics: Blades, Flow (Dynamics), Rotors, Turbines
Journal Articles

Using Machine Learning for Loss Prediction in a Hybrid Meanline Modeling Method to Deliver Improved Radial Turbine Performance Prediction

Pangbo Ren, Charles Stuart, Stephen Spence, Ryosuke Inomata, Takayuki Kobayashi, Isao Morita
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2023, 145(7): 071013.
Paper No: TURBO-22-1300
https://doi.org/10.1115/1.4056777
Published Online: February 10, 2023
View Article titled, Using Machine Learning for Loss Prediction in a Hybrid Meanline Modeling Method to Deliver Improved Radial Turbine Performance Prediction
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Topics: Computational fluid dynamics, Flow (Dynamics), Geometry, Machine learning, Modeling, Rotors, Turbines, Nozzles, Turbochargers, Artificial neural networks
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

Investigation of the Map Width Improvement in a Radially Reduced Diffuser Design Concept for a Centrifugal Compressor

Laura McLaughlin, Stephen Spence, Daniel Rusch, Charles Stuart, Marco Geron, Kwok Kai So, Magnus Fischer
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A002, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-78684
https://doi.org/10.1115/GT2022-78684
View Paper titled, Investigation of the Map Width Improvement in a Radially Reduced Diffuser Design Concept for a Centrifugal Compressor
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Topics: Compressors, Computational fluid dynamics, Design, Diffusers
Proceedings Papers

Using Machine Learning for Loss Prediction in a Hybrid Meanline Modeling Method to Deliver Improved Radial Turbine Performance Prediction

Pangbo Ren, Charles Stuart, Stephen Spence, Ryosuke Inomata, Takayuki Kobayashi, Isao Morita
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A004, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80186
https://doi.org/10.1115/GT2022-80186
View Paper titled, Using Machine Learning for Loss Prediction in a Hybrid Meanline Modeling Method to Deliver Improved Radial Turbine Performance Prediction
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Topics: Machine learning, Modeling, Turbines, Turbochargers
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

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
Open the PDF for 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 in another window
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

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
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

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 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

Probabilistic Interactions of Vehicles With Surroundings: Modeling for Dynamic Control

Vladimir V. Vantsevich, Charles Stuart
Proc. ASME. IMECE2007, Volume 9: Mechanical Systems and Control, Parts A, B, and C, 1649-1658, November 11–15, 2007
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2007-44071
https://doi.org/10.1115/IMECE2007-44071
View Paper titled, Probabilistic Interactions of Vehicles With Surroundings: Modeling for Dynamic Control
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Topics: Modeling, Vehicles, Wheels, Control algorithms, Pavement, Roads, Vehicle dynamics, Delays, Design, Dynamics (Mechanics)