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Oliver J. Pountney
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Proceedings Papers

Liquid Cooling of Fuel Cell Powered Aircraft: The Effect of Coolants on Thermal Management

Adam C. Frey, David Bosak, Joseph Stonham, Carl M. Sangan, Oliver J. Pountney
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A057, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128907
https://doi.org/10.1115/GT2024-128907
View Paper titled, Liquid Cooling of Fuel Cell Powered Aircraft: The Effect of Coolants on Thermal Management
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Topics: Aircraft, Coolants, Cooling, Fuel cells, Thermal management, Proton exchange membrane fuel cells, Cooling systems, Operating temperature, Design, Aircraft propulsion
Journal Articles

Liquid Cooling of Fuel Cell Powered Aircraft: The Effect of Coolants on Thermal Management

Adam C. Frey, David Bosak, Joseph Stonham, Carl M. Sangan, Oliver J. Pountney
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2024, 146(11): 111021.
Paper No: GTP-24-1261
https://doi.org/10.1115/1.4066047
Published Online: August 21, 2024
View Article titled, Liquid Cooling of Fuel Cell Powered Aircraft: The Effect of Coolants on Thermal Management
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Topics: Coolants, Temperature, Aircraft
Journal Articles

Purge–Mainstream Interactions in a Turbine Stage With Rotor Endwall Contouring

Alex W. Mesny, Oliver J. Pountney, James A. Scobie, Yan Sheng Li, Carl M. Sangan
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2024, 146(9): 091007.
Paper No: TURBO-23-1332
https://doi.org/10.1115/1.4064843
Published Online: April 5, 2024
View Article titled, Purge–Mainstream Interactions in a Turbine Stage With Rotor Endwall Contouring
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Topics: Flow (Dynamics), Rotors, Turbines, Blades, Vortices
Proceedings Papers

Purge-Mainstream Interactions in a Turbine Stage With Rotor Endwall Contouring

Alex W. Mesny, Oliver J. Pountney, James A. Scobie, Yan Sheng Li, Carl M. Sangan
Proc. ASME. GT2023, Volume 13B: Turbomachinery — Axial Flow Turbine Aerodynamics, V13BT30A040, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103877
https://doi.org/10.1115/GT2023-103877
View Paper titled, Purge-Mainstream Interactions in a Turbine Stage With Rotor Endwall Contouring
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Topics: Flow (Dynamics), Rotors, Turbines
Proceedings Papers

Stratified and Buoyancy-Induced Flow in Closed Compressor Rotors

Gary D. Lock, Richard W. Jackson, Mikolaj Pernak, Oliver J. Pountney, Carl M. Sangan, J. Michael Owen, Hui Tang, James A. Scobie
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT14A007, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82023
https://doi.org/10.1115/GT2022-82023
View Paper titled, Stratified and Buoyancy-Induced Flow in Closed Compressor Rotors
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Topics: Buoyancy, Compressors, Flow (Dynamics), Rotors, Disks, Fluids, Heat transfer, Temperature, Cavities, Compressibility
Journal Articles

Stratified and Buoyancy-Induced Flow in Closed Compressor Rotors

Gary D. Lock, Richard W. Jackson, Mikolaj Pernak, Oliver J. Pountney, Carl M. Sangan, J. Michael Owen, Hui Tang, James A. Scobie
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2023, 145(1): 011008.
Paper No: TURBO-22-1170
https://doi.org/10.1115/1.4055448
Published Online: October 7, 2022
View Article titled, Stratified and Buoyancy-Induced Flow in Closed Compressor Rotors
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Topics: Buoyancy, Cavities, Compressors, Disks, Flow (Dynamics), Heat transfer, Temperature, Heat flux, Fluids, Heat conduction
Journal Articles

Unsteady Pressure Measurements in a Heated Rotating Cavity

Richard W. Jackson, Hui Tang, James A. Scobie, Oliver J. Pountney, Carl M. Sangan, J. Michael Owen, Gary D. Lock
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2022, 144(4): 041017.
Paper No: GTP-21-1401
https://doi.org/10.1115/1.4053390
Published Online: February 17, 2022
View Article titled, Unsteady Pressure Measurements in a Heated Rotating Cavity
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Topics: Cavities, Disks, Pressure, Pressure measurement, Vortices, Flow (Dynamics), Compressors, Cavity flows, Buoyancy, Spectra (Spectroscopy)
Journal Articles

Vortex Tracking of Purge-Mainstream Interactions in a Rotating Turbine Stage

Alex W. Mesny, Mark A. Glozier, Oliver J. Pountney, James A. Scobie, Yan Sheng Li, David J. Cleaver, Carl M. Sangan
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2022, 144(4): 041011.
Paper No: TURBO-21-1170
https://doi.org/10.1115/1.4052690
Published Online: November 18, 2021
View Article titled, Vortex Tracking of Purge-Mainstream Interactions in a Rotating Turbine Stage
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Topics: Blades, Flow (Dynamics), Turbines, Vortices
Proceedings Papers

Unsteady Pressure Measurements in a Heated Rotating Cavity

Richard W. Jackson, Hui Tang, James A. Scobie, Oliver J. Pountney, Carl M. Sangan, J. Michael Owen, Gary D. Lock
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT14A005, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59090
https://doi.org/10.1115/GT2021-59090
View Paper titled, Unsteady Pressure Measurements in a Heated Rotating Cavity
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Topics: Cavities, Pressure measurement, Vortices, Buoyancy, Engines, Flow (Dynamics), Aircraft engines, Cavity flows, Compressors, Computational fluid dynamics
Proceedings Papers

Vortex Tracking of Purge-Mainstream Interactions in a Rotating Turbine Stage

Alex W. Mesny, Mark A. Glozier, Oliver J. Pountney, James A. Scobie, Yan Sheng Li, David J. Cleaver, Carl M. Sangan
Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT32A012, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59701
https://doi.org/10.1115/GT2021-59701
View Paper titled, Vortex Tracking of Purge-Mainstream Interactions in a Rotating Turbine Stage
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Topics: Flow (Dynamics), Turbines, Vortices
Journal Articles

Analysis of Shroud and Disk Heat Transfer in Aero-Engine Compressor Rotors

Richard W. Jackson, Hui Tang, James A. Scobie, Oliver J. Pountney, Carl M. Sangan, J. Michael Owen, Gary D. Lock
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2021, 143(9): 091005.
Paper No: GTP-20-1327
https://doi.org/10.1115/1.4050631
Published Online: April 29, 2021
View Article titled, Analysis of Shroud and Disk Heat Transfer in Aero-Engine Compressor Rotors
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Topics: Cavities, Disks, Flow (Dynamics), Heat, Heat transfer, Temperature, Compressors, Heat flux
Journal Articles

Measurement and Analysis of Buoyancy-Induced Heat Transfer in Aero-Engine Compressor Rotors

Richard W. Jackson, Dario Luberti, Hui Tang, Oliver J. Pountney, James A. Scobie, Carl M. Sangan, J. Michael Owen, Gary D. Lock
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2021, 143(6): 061004.
Paper No: GTP-20-1440
https://doi.org/10.1115/1.4049100
Published Online: March 15, 2021
View Article titled, Measurement and Analysis of Buoyancy-Induced Heat Transfer in Aero-Engine Compressor Rotors
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Topics: Buoyancy, Cavities, Compressors, Disks, Temperature, Heat transfer, Flow (Dynamics), Aircraft engines
Journal Articles

Design and Testing of a Rig to Investigate Buoyancy-Induced Heat Transfer in Aero-Engine Compressor Rotors

Dario Luberti, Marios Patinios, Richard W. Jackson, Hui Tang, Oliver J. Pountney, James A. Scobie, Carl M. Sangan, J. Michael Owen, Gary D. Lock
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2021, 143(4): 041030.
Paper No: GTP-20-1420
https://doi.org/10.1115/1.4048601
Published Online: March 15, 2021
View Article titled, Design and Testing of a Rig to Investigate Buoyancy-Induced Heat Transfer in Aero-Engine Compressor Rotors
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Topics: Buoyancy, Cavities, Compressors, Design, Disks, Heat transfer, Instrumentation, Temperature, Thermocouples, Aircraft engines
Proceedings Papers

Design and Testing of a Rig to Investigate Buoyancy-Induced Heat Transfer in Aero-Engine Compressor Rotors

Dario Luberti, Marios Patinios, Richard W. Jackson, Hui Tang, Oliver J. Pountney, James A. Scobie, Carl M. Sangan, J. Michael Owen, Gary D. Lock
Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT14A008, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14422
https://doi.org/10.1115/GT2020-14422
View Paper titled, Design and Testing of a Rig to Investigate Buoyancy-Induced Heat Transfer in Aero-Engine Compressor Rotors
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Topics: Aircraft engines, Buoyancy, Compressors, Design, Heat transfer, Rotors, Testing, Cavities, Disks, Temperature
Proceedings Papers

Measurement and Analysis of Buoyancy-Induced Heat Transfer in Aero-Engine Compressor Rotors

Richard W. Jackson, Dario Luberti, Hui Tang, Oliver J. Pountney, James A. Scobie, Carl M. Sangan, J. Michael Owen, Gary D. Lock
Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT14A027, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16219
https://doi.org/10.1115/GT2020-16219
View Paper titled, Measurement and Analysis of Buoyancy-Induced Heat Transfer in Aero-Engine Compressor Rotors
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Topics: Aircraft engines, Buoyancy, Compressors, Heat transfer, Rotors, Disks, Cavities, Flow (Dynamics), Temperature, Boundary-value problems
Journal Articles

Influence of Temperature Distribution on Radial Growth of Compressor Disks

Dario Luberti, Hui Tang, James A. Scobie, Oliver J. Pountney, J. Michael Owen, Gary D. Lock
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2020, 142(7): 071004.
Paper No: GTP-19-1728
https://doi.org/10.1115/1.4046704
Published Online: June 30, 2020
View Article titled, Influence of Temperature Distribution on Radial Growth of Compressor Disks
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Topics: Buoyancy, Compressors, Disks, Finite element analysis, Stress, Temperature, Temperature distribution, Transients (Dynamics), Pressure
Journal Articles

A Geometry Generation Framework for Contoured Endwalls

Liam E. Wood, Robin R. Jones, Oliver J. Pountney, James A. Scobie, D. Andrew S. Rees, Carl M. Sangan
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2020, 142(1): 011003.
Paper No: GTP-19-1558
https://doi.org/10.1115/1.4045390
Published Online: November 25, 2019
View Article titled, A Geometry Generation Framework for Contoured Endwalls
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Topics: Blades, Geometry, Cascades (Fluid dynamics), Shapes, Design, Flow (Dynamics), Pressure
Journal Articles

An Advanced Single-Stage Turbine Facility for Investigating Nonaxisymmetric Contoured Endwalls in the Presence of Purge Flow

Robin R. Jones, Oliver J. Pountney, Bjorn L. Cleton, Liam E. Wood, B. Deneys J. Schreiner, A. J. Carvalho Figueiredo, James A. Scobie, David J. Cleaver, Gary D. Lock, Carl M. Sangan
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2019, 141(12): 121008.
Paper No: GTP-19-1552
https://doi.org/10.1115/1.4045087
Published Online: November 11, 2019
View Article titled, An Advanced Single-Stage Turbine Facility for Investigating Nonaxisymmetric Contoured Endwalls in the Presence of Purge Flow
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Topics: Flow (Dynamics), Stators, Wheels, Turbines, Pressure, Design, Rotors
Proceedings Papers

An Advanced Single-Stage Turbine Facility for Investigating Non-Axisymmetric Contoured Endwalls in the Presence of Purge Flow

Robin R. Jones, Oliver J. Pountney, Bjorn L. Cleton, Liam E. Wood, B. Deneys J. Schreiner, A. J. Carvalho Figueiredo, James A. Scobie, David J. Cleaver, Gary D. Lock, Carl M. Sangan
Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT40A004, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90377
https://doi.org/10.1115/GT2019-90377
View Paper titled, An Advanced Single-Stage Turbine Facility for Investigating Non-Axisymmetric Contoured Endwalls in the Presence of Purge Flow
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Topics: Flow (Dynamics), Turbines, Design, Pressure, Rotors, Blades, Nozzle guide vanes, Stators, Cavity flows, Clearances (Engineering)
Proceedings Papers

Influence of Temperature Distribution on Radial Growth of Compressor Discs

Dario Luberti, Hui Tang, James A. Scobie, Oliver J. Pountney, J. Michael Owen, Gary D. Lock
Proc. ASME. GT2019, Volume 5B: Heat Transfer, V05BT15A012, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91848
https://doi.org/10.1115/GT2019-91848
View Paper titled, Influence of Temperature Distribution on Radial Growth of Compressor Discs
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Topics: Compressors, Disks, Temperature distribution, Pressure, Finite element analysis, Temperature, Buoyancy, Engines, Aircraft engines, Blades