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Proceedings Papers

Centrifugal Compressor Casing Treatment Design for a Turbocharged Hydrogen Combustion Engine

Lee Gibson, Thomas Leonard, Georgios Iosifidis, Dario-Vincenzo Di Modica, Johannes Ratz, Takahiro Ueno
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT35A018, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127906
https://doi.org/10.1115/GT2024-127906
View Paper titled, Centrifugal Compressor Casing Treatment Design for a Turbocharged Hydrogen Combustion Engine
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Topics: Combustion, Compressors, Design, Engines, Hydrogen, Turbochargers, Vaneless diffusers
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

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

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 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
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
Journal Articles

Design and Performance Analysis of Mixed Flow Turbine Rotors With Extended Blade Chord

Thomas Leonard, Stephen Spence, Dietmar Filsinger, Andre Starke
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2020, 142(12): 121003.
Paper No: TURBO-20-1089
https://doi.org/10.1115/1.4047894
Published Online: October 19, 2020
View Article titled, Design and Performance Analysis of Mixed Flow Turbine Rotors With Extended Blade Chord
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Topics: Blades, Chords (Trusses), Design, Flow (Dynamics), Rotors, Turbines
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
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Topics: Flow (Dynamics), Rotors, Stators, Turbines, Design, Computational fluid dynamics, Turbochargers, Engines, Angular momentum, Automotive industry
Proceedings Papers

Design and Performance Analysis of Mixed Flow Turbine Rotors With Extended Blade Chord

Thomas Leonard, Stephen Spence, Dietmar Filsinger, Andre Starke
Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT44A006, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90389
https://doi.org/10.1115/GT2019-90389
View Paper titled, Design and Performance Analysis of Mixed Flow Turbine Rotors With Extended Blade Chord
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Topics: Blades, Chords (Trusses), Design, Flow (Dynamics), Rotors, Turbines, Corners (Structural elements), Inertia (Mechanics), Turbochargers, Equipment performance
Journal Articles

Numerical and Experimental Investigation of the Impact of Mixed Flow Turbine Inlet Cone Angle and Inlet Blade Angle

Thomas Leonard, Stephen Spence, Andre Starke, Dietmar Filsinger
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. August 2019, 141(8): 081001.
Paper No: TURBO-18-1316
https://doi.org/10.1115/1.4042652
Published Online: March 1, 2019
View Article titled, Numerical and Experimental Investigation of the Impact of Mixed Flow Turbine Inlet Cone Angle and Inlet Blade Angle
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Topics: Blades, Design, Flow (Dynamics), Rotors, Turbines, Computational fluid dynamics, Stators
Journal Articles

Development of a New Low-Cost Tandem Variable Geometry Turbocharging Concept for Turbocharger Applications

Rodrigo R. Erdmenger, Katya Menter, Rogier Giepman, Cathal Clancy, Aneesh Vadvadgi, Tom Lavertu, Thomas Leonard, Stephen Spence
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2019, 141(3): 031006.
Paper No: GTP-18-1411
https://doi.org/10.1115/1.4041279
Published Online: October 4, 2018
View Article titled, Development of a New Low-Cost Tandem Variable Geometry Turbocharging Concept for Turbocharger Applications
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Topics: Design, Flow (Dynamics), Geometry, Nozzles, Turbines, Turbochargers, Computational fluid dynamics, Pressure, Stress
Proceedings Papers

A Numerical and Experimental Investigation of the Impact of Mixed Flow Turbine Inlet Cone Angle and Inlet Blade Angle

Thomas Leonard, Stephen Spence, Dietmar Filsinger, Andre Starke
Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT44A003, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75096
https://doi.org/10.1115/GT2018-75096
View Paper titled, A Numerical and Experimental Investigation of the Impact of Mixed Flow Turbine Inlet Cone Angle and Inlet Blade Angle
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Topics: Blades, Flow (Dynamics), Turbines, Rotors, Design, Computer simulation, Geometry, Transients (Dynamics), Automotive engines, Computational fluid dynamics
Proceedings Papers

Development of a New Low-Cost Tandem VGT Concept for Turbocharger Applications

Rodrigo R. Erdmenger, Katya Menter, Rogier Giepman, Cathal Clancy, Aneesh Vadvadgi, Tom Lavertu, Thomas Leonard, Stephen Spence
Proc. ASME. GT2018, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T26A023, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-77048
https://doi.org/10.1115/GT2018-77048
View Paper titled, Development of a New Low-Cost Tandem VGT Concept for Turbocharger Applications
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Topics: Turbochargers, Turbines, Geometry, Nozzles, Reliability, Transients (Dynamics), Additive manufacturing, Computational fluid dynamics, Design, Diesel
Journal Articles

Steady/Unsteady Reynolds-Averaged Navier–Stokes and Large Eddy Simulations of a Turbine Blade at High Subsonic Outlet Mach Number

Thomas Léonard, Laurent Y. M. Gicquel, Nicolas Gourdain, Florent Duchaine
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. April 2015, 137(4): 041001.
Paper No: TURBO-10-1188
https://doi.org/10.1115/1.4028493
Published Online: October 28, 2014
View Article titled, Steady/Unsteady Reynolds-Averaged Navier–Stokes and Large Eddy Simulations of a Turbine Blade at High Subsonic Outlet Mach Number
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Topics: Blades, Flow (Dynamics), Reynolds-averaged Navier–Stokes equations, Turbine blades, Boundary layers, Mach number, Modeling, Suction, Sensitivity analysis, Large eddy simulation