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Journal Articles

The Role of Turbulence Transport in Mechanical Energy Budgets

Pawel J. Przytarski, Davide Lengani, Daniele Simoni, Andrew P. S. Wheeler
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2024, 146(10): 101008.
Paper No: TURBO-24-1006
https://doi.org/10.1115/1.4065287
Published Online: May 8, 2024
View Article titled, The Role of Turbulence Transport in Mechanical Energy Budgets
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Topics: Entropy, Pressure, Turbulence, Inflow, Energy dissipation, Kinetic energy
Proceedings Papers

Desktop-DNS: An Open Toolkit for Turbomachinery Aerodynamics

Andrew P. S. Wheeler
Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT32A021, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102647
https://doi.org/10.1115/GT2023-102647
View Paper titled, Desktop-DNS: An Open Toolkit for Turbomachinery Aerodynamics
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Topics: Aerodynamics, Turbomachinery, Computers, Design, Simulation, Algorithms, Blades, Compressors, Computational fluid dynamics, Computer simulation
Proceedings Papers

The Role of Turbulence Transport in Mechanical Energy Budgets

Pawel J. Przytarski, Davide Lengani, Daniele Simoni, Andrew P. S. Wheeler
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT36A017, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102767
https://doi.org/10.1115/GT2023-102767
View Paper titled, The Role of Turbulence Transport in Mechanical Energy Budgets
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Topics: Energy budget (Physics), Turbulence, Pressure, Entropy, Inflow, Simulation, Mach number, Reynolds number
Journal Articles

Unsteady Structure of Compressor Tip Leakage Flows

Joshua M. Maynard, Andrew P. S. Wheeler, James V. Taylor, Roger Wells
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2023, 145(5): 051005.
Paper No: TURBO-22-1153
https://doi.org/10.1115/1.4055769
Published Online: November 25, 2022
View Article titled, Unsteady Structure of Compressor Tip Leakage Flows
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Topics: Blades, Flow (Dynamics), Separation (Technology), Simulation, Turbulence, Corners (Structural elements), Compressors, Stators, Bubbles, Suction
Proceedings Papers

Unsteady Structure of Compressor Tip Leakage Flows

Joshua M. Maynard, Andrew P. S. Wheeler, James V. Taylor, Roger Wells
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A003, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-78371
https://doi.org/10.1115/GT2022-78371
View Paper titled, Unsteady Structure of Compressor Tip Leakage Flows
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Topics: Compressors, Leakage flows, Flow (Dynamics), Blades, Corners (Structural elements), Engineering simulation, Simulation, Turbulence, Unsteady flow, Bubbles
Proceedings Papers

Low Reynolds Number Effects on the Separation and Wake of a Compressor Blade

Qiang Liu, Will Ager, Cesare Hall, Andrew P. S. Wheeler
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A031, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59284
https://doi.org/10.1115/GT2021-59284
View Paper titled, Low Reynolds Number Effects on the Separation and Wake of a Compressor Blade
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Topics: Blades, Bubbles, Cascades (Fluid dynamics), Compressors, Reynolds number, Separation (Technology), Wakes
Proceedings Papers

The Effect of Compressibility Factor on Turbine Performance

David Baumgärtner, John J. Otter, Andrew P. S. Wheeler
Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T06A020, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60241
https://doi.org/10.1115/GT2021-60241
View Paper titled, The Effect of Compressibility Factor on Turbine Performance
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Topics: Compressibility, Turbines, Fluids, Boundary layers, Shock (Mechanics)
Journal Articles

Accurate Prediction of Loss Using High Fidelity Methods

Pawel J. Przytarski, Andrew P. S. Wheeler
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2021, 143(3): 031008.
Paper No: TURBO-20-1186
https://doi.org/10.1115/1.4050115
Published Online: March 1, 2021
View Article titled, Accurate Prediction of Loss Using High Fidelity Methods
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Topics: Entropy, Flow (Dynamics), Resolution (Optics), Turbulence, Compressors, Energy dissipation, Pressure
Journal Articles

The Effect of Gapping on Compressor Performance

Pawel J. Przytarski, Andrew P. S. Wheeler
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2020, 142(12): 121006.
Paper No: TURBO-19-1298
https://doi.org/10.1115/1.4047933
Published Online: November 9, 2020
View Article titled, The Effect of Gapping on Compressor Performance
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Topics: Turbulence, Wakes, Compressors
Journal Articles

The Effect of Isentropic Exponent on Transonic Turbine Performance

David Baumgärtner, John J. Otter, Andrew P. S. Wheeler
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2020, 142(8): 081007.
Paper No: TURBO-19-1310
https://doi.org/10.1115/1.4046528
Published Online: July 29, 2020
View Article titled, The Effect of Isentropic Exponent on Transonic Turbine Performance
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Topics: Computational fluid dynamics, Flow (Dynamics), Fluids, Mach number, Pressure, Turbines, Design, Blades, Gasdynamics, Cascades (Fluid dynamics)
Proceedings Papers

The Effect of Rotor-Stator Gap on Repeating-Stage Compressor Loss

Pawel J. Przytarski, Andrew P. S. Wheeler
Proc. ASME. GT2019, Volume 2A: Turbomachinery, V02AT45A013, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91007
https://doi.org/10.1115/GT2019-91007
View Paper titled, The Effect of Rotor-Stator Gap on Repeating-Stage Compressor Loss
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Topics: Compressors, Rotors, Stators, Blades, Turbulence, Wakes, Energy dissipation, Large eddy simulation, Numerical analysis, Simulation
Proceedings Papers

The Effect of Isentropic Exponent on Transonic Turbine Performance

David Baumgärtner, John J. Otter, Andrew P. S. Wheeler
Proc. ASME. GT2019, Volume 2C: Turbomachinery, V02CT41A008, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90251
https://doi.org/10.1115/GT2019-90251
View Paper titled, The Effect of Isentropic Exponent on Transonic Turbine Performance
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Topics: Turbines, Carbon dioxide, Cascades (Fluid dynamics), Engineering simulation, Flow (Dynamics), Fluids, Gasdynamics, Mach number, Simulation, Temperature
Journal Articles

The Effect of Nonequilibrium Boundary Layers on Compressor Performance

Andrew P. S. Wheeler, Anthony M. J. Dickens, Robert J. Miller
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. October 2018, 140(10): 101003.
Paper No: TURBO-18-1057
https://doi.org/10.1115/1.4040094
Published Online: September 28, 2018
View Article titled, The Effect of Nonequilibrium Boundary Layers on Compressor Performance
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Topics: Boundary layers, Compressors, Flow (Dynamics), Reynolds number, Shear (Mechanics), Simulation, Suction, Turbulence, Energy dissipation, Blades
Proceedings Papers

Accurate Prediction of Loss Using High Fidelity Methods

Pawel J. Przytarski, Andrew P. S. Wheeler
Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A051, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-77125
https://doi.org/10.1115/GT2018-77125
View Paper titled, Accurate Prediction of Loss Using High Fidelity Methods
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Topics: Aircraft engines, Cascades (Fluid dynamics), Compressors, Energy dissipation, Flow (Dynamics), Physics, Resolution (Optics), Simulation, Turbulence, Vortices
Proceedings Papers

The Effect of Non-Equilibrium Boundary Layers on Compressor Performance

Andrew P. S. Wheeler, Anthony M. J. Dickens, Robert J. Miller
Proc. ASME. GT2017, Volume 2B: Turbomachinery, V02BT41A040, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64635
https://doi.org/10.1115/GT2017-64635
View Paper titled, The Effect of Non-Equilibrium Boundary Layers on Compressor Performance
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Topics: Boundary layers, Compressors, Equilibrium (Physics), Blades, Computer simulation, Reynolds number, Separation (Technology), Suction
Journal Articles

The Effect of Rotor Casing on Low-Pressure Steam Turbine and Diffuser Interactions

Gursharanjit Singh, Andrew P. S. Wheeler, Gurnam Singh
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2017, 139(2): 022607.
Paper No: GTP-16-1174
https://doi.org/10.1115/1.4034417
Published Online: September 20, 2016
View Article titled, The Effect of Rotor Casing on Low-Pressure Steam Turbine and Diffuser Interactions
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Topics: Diffusers, Flow (Dynamics), Pressure, Rotors, Leakage flows, Blades
Journal Articles

Direct Numerical Simulations of a High-Pressure Turbine Vane

Andrew P. S. Wheeler, Richard D. Sandberg, Neil D. Sandham, Richard Pichler, Vittorio Michelassi, Greg Laskowski
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. July 2016, 138(7): 071003.
Paper No: TURBO-15-1231
https://doi.org/10.1115/1.4032435
Published Online: February 17, 2016
View Article titled, Direct Numerical Simulations of a High-Pressure Turbine Vane
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Topics: Flow (Dynamics), Heat transfer, Suction, Turbines, Turbulence, Computer simulation, High pressure (Physics), Energy dissipation, Boundary layers, Mach number
Proceedings Papers

Direct Numerical Simulations of a High Pressure Turbine Vane

Andrew P. S. Wheeler, Richard D. Sandberg, Neil D. Sandham, Richard Pichler, Vittorio Michelassi, Greg Laskowski
Proc. ASME. GT2015, Volume 2A: Turbomachinery, V02AT38A027, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-43133
https://doi.org/10.1115/GT2015-43133
View Paper titled, Direct Numerical Simulations of a High Pressure Turbine Vane
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Topics: Computer simulation, High pressure (Physics), Turbines, Turbulence, Flow (Dynamics), Heat transfer, Energy dissipation, Mach number, Physics, Reynolds number
Proceedings Papers

A Study of Trailing-Edge Losses in Organic Rankine Cycle Turbines

Francisco J. Durá Galiana, Andrew P. S. Wheeler, Jonathan Ong
Proc. ASME. GT2015, Volume 2A: Turbomachinery, V02AT38A020, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42920
https://doi.org/10.1115/GT2015-42920
View Paper titled, A Study of Trailing-Edge Losses in Organic Rankine Cycle Turbines
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Topics: Organic Rankine cycle, Turbines, Flow (Dynamics), Shock (Mechanics), Computational fluid dynamics, Engineering simulation, Simulation, Supersonic flow
Proceedings Papers

The Effect of Rotor Casing on Low Pressure Steam Turbine and Diffuser Interactions

Gursharanjit Singh, Gurnam Singh, Andrew P. S. Wheeler
Proc. ASME. GT2015, Volume 2B: Turbomachinery, V02BT40A006, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-43030
https://doi.org/10.1115/GT2015-43030
View Paper titled, The Effect of Rotor Casing on Low Pressure Steam Turbine and Diffuser Interactions
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Topics: Diffusers, Pressure, Rotors, Steam turbines, Computational fluid dynamics, Shapes, Blades, Computational methods, Design, Engineering simulation