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Proceedings Papers

A Model of Mass and Heat Transfer for Disc Temperature Prediction in Open Compressor Cavities

Thomas E. W. Nicholas, James A. Scobie, Gary D. Lock, Hui Tang
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT14A005, June 26–30, 2023
Paper No: GT2023-102248
https://doi.org/10.1115/GT2023-102248
View Paper titled, A Model of Mass and Heat Transfer for Disc Temperature Prediction in Open Compressor Cavities
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Topics: Buoyancy, Cavities, Compressors, Disks, Flow (Dynamics), Heat transfer, Temperature
Proceedings Papers

A Combined Experimental and Turbulence-Resolved Modelling Approach for Aeroengine Turbine Rim Seals

Simon Vella, Peter Darby, Mauro Carnevale, James A. Scobie, Gary D. Lock, Clément Jarrossay, Francesco Salvatori, Damien Bonneau, Carl M. Sangan
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT14A025, June 26–30, 2023
Paper No: GT2023-103895
https://doi.org/10.1115/GT2023-103895
View Paper titled, A Combined Experimental and Turbulence-Resolved Modelling Approach for Aeroengine Turbine Rim Seals
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Topics: Computation, Detached eddy simulation, Modeling, Turbines, Turbulence
Proceedings Papers

Conjugate Modelling of a Closed Co-Rotating Compressor Cavity

James Parry, Hui Tang, James A. Scobie, Gary D. Lock, Mauro Carnevale
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT14A012, June 26–30, 2023
Paper No: GT2023-102900
https://doi.org/10.1115/GT2023-102900
View Paper titled, Conjugate Modelling of a Closed Co-Rotating Compressor Cavity
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Topics: Cavities, Compressors, Flow (Dynamics), Heat transfer, Modeling
Proceedings Papers

Experimental Investigation of Transient Flow Phenomena in Rotating Compressor Cavities

Mikolaj J. Pernak, Tom E. W. Nicholas, Jake T. Williams, Richard W. Jackson, Hui Tang, Gary D. Lock, James A. Scobie
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT14A006, June 26–30, 2023
Paper No: GT2023-102294
https://doi.org/10.1115/GT2023-102294
View Paper titled, Experimental Investigation of Transient Flow Phenomena in Rotating Compressor Cavities
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Topics: Cavities, Compressors, Heat transfer, Transients (Dynamics), Unsteady flow
Proceedings Papers

Windage Torque Reduction in Low-Pressure Turbine Cavities - Part 1: Concept Design and Numerical Investigations

Zhihui Li, Loizos Christodoulou, Richard Jefferson-Loveday, Stephen Ambrose, Richard Jackson, Gary D. Lock, Carl M. Sangan, James A. Scobie
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 13B: Turbomachinery — Axial Flow Turbine Aerodynamics, V13BT30A035, June 26–30, 2023
Paper No: GT2023-103532
https://doi.org/10.1115/GT2023-103532
View Paper titled, Windage Torque Reduction in Low-Pressure Turbine Cavities - Part 1: Concept Design and Numerical Investigations
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Topics: Cavities, Design, Flow (Dynamics), Flow control, Pressure, Torque, Turbines
Proceedings Papers

Windage Torque Reduction in Low-Pressure Turbine Cavities Part 2: Experimental and Numerical Results

Richard Jackson, Gary D. Lock, Carl M. Sangan, James A. Scobie, Zhihui Li, Loizos Christodoulou, Richard Jefferson-Loveday, Stephen Ambrose
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 13B: Turbomachinery — Axial Flow Turbine Aerodynamics, V13BT30A015, June 26–30, 2023
Paper No: GT2023-102311
https://doi.org/10.1115/GT2023-102311
View Paper titled, Windage Torque Reduction in Low-Pressure Turbine Cavities Part 2: Experimental and Numerical Results
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Topics: Cavities, Pressure, Torque, Turbines, Flow (Dynamics), Wheels, Engines, Rotors, Stators, Annulus
Journal Articles

EXPERIMENTAL INVESTIGATION OF TRANSIENT FLOW PHENOMENA IN ROTATING COMPRESSOR CAVITIES

Accepted Manuscript
Mikolaj Pernak, Tom Nicholas, Jake Williams, Richard Jackson, Hui Tang, Gary D Lock, James Scobie
Journal: Journal of Turbomachinery
Article Type: Research Papers
Publisher: ASME
J. Turbomach.
Paper No: TURBO-23-1143
https://doi.org/10.1115/1.4063507
Published Online: September 27, 2023
View Article titled, EXPERIMENTAL INVESTIGATION OF TRANSIENT FLOW PHENOMENA IN ROTATING COMPRESSOR CAVITIES
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Topics: Cavities, Compressors, Heat transfer, Turbochargers, Unsteady flow
Journal Articles

Fluid Dynamics of Turbine Rim Seal Structures: A Physical Interpretation Using URANS

Giove De Cosmo, James A. Scobie, Gary D. Lock, Carl M. Sangan, Mauro Carnevale
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2023, 145(3): 031009.
Paper No: GTP-22-1460
https://doi.org/10.1115/1.4055752
Published Online: December 5, 2022
View Article titled, Fluid Dynamics of Turbine Rim Seal Structures: A Physical Interpretation Using URANS
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Topics: Annulus, Blades, Cavities, Computational fluid dynamics, Design, Disks, Flow (Dynamics), Fluid dynamics, Pressure, Turbines
Proceedings Papers

Fluid-Dynamics of Turbine Rim Seal Structures: A Physical Interpretation Using URANS

Giove De Cosmo, James A. Scobie, Gary D. Lock, Carl M. Sangan, Mauro Carnevale
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT14A010, June 13–17, 2022
Paper No: GT2022-82591
https://doi.org/10.1115/GT2022-82591
View Paper titled, Fluid-Dynamics of Turbine Rim Seal Structures: A Physical Interpretation Using URANS
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Topics: Fluid dynamics, Turbines, Flow (Dynamics), Blades, Computational fluid dynamics, Cavities, Pressure, Simulation, Annulus, Disks
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
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
Proceedings Papers

A New Interpretation of Hot Gas Ingress Through Turbine Rim Seals Influenced by Mainstream Annulus Swirl

Dimitrios Graikos, Hui Tang, Carl M. Sangan, Gary D. Lock, James A. Scobie
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT14A008, June 13–17, 2022
Paper No: GT2022-82430
https://doi.org/10.1115/GT2022-82430
View Paper titled, A New Interpretation of Hot Gas Ingress Through Turbine Rim Seals Influenced by Mainstream Annulus Swirl
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Topics: Annulus, Turbines, Flow (Dynamics), Disks, Carbon dioxide, Clearances (Engineering), Computational fluid dynamics, Eddies (Fluid dynamics), Engines, Physics
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
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

A New Interpretation of Hot Gas Ingress Through Turbine Rim Seals Influenced by Mainstream Annulus Swirl

Dimitrios Graikos, Hui Tang, Carl M. Sangan, Gary D. Lock, James A. Scobie
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2022, 144(11): 111005.
Paper No: GTP-22-1355
https://doi.org/10.1115/1.4055457
Published Online: September 20, 2022
View Article titled, A New Interpretation of Hot Gas Ingress Through Turbine Rim Seals Influenced by Mainstream Annulus Swirl
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Topics: Annulus, Clearances (Engineering), Flow (Dynamics), Rotors, Turbines, Wheels, Pressure, Turbulence, Sealing (Process)
Journal Articles

Measurement of Heat Transfer and Flow Structures in a Closed Rotating Cavity

Richard W. Jackson, Hui Tang, James A. Scobie, J. Michael Owen, Gary D. Lock
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2022, 144(5): 051005.
Paper No: GTP-21-1400
https://doi.org/10.1115/1.4053392
Published Online: February 21, 2022
View Article titled, Measurement of Heat Transfer and Flow Structures in a Closed Rotating Cavity
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Topics: Cavities, Disks, Flow (Dynamics), Heat transfer, Temperature, Vortices, Heat flux
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
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

Influence of Flow Coefficient on Ingress Through Turbine Rim Seals

Dimitrios Graikos, Mauro Carnevale, Carl M. Sangan, Gary D. Lock, James A. Scobie
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2021, 143(11): 111010.
Paper No: GTP-21-1286
https://doi.org/10.1115/1.4051912
Published Online: September 27, 2021
View Article titled, Influence of Flow Coefficient on Ingress Through Turbine Rim Seals
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Topics: Annulus, Blades, Flow (Dynamics), Rotors, Wheels, Pressure, Sealing (Process), Turbines, Disks
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
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

Measurement of Heat Transfer and Flow Structures in a Closed Rotating Cavity

Richard W. Jackson, Hui Tang, James A. Scobie, J. Michael Owen, Gary D. Lock
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT14A013, June 7–11, 2021
Paper No: GT2021-59605
https://doi.org/10.1115/GT2021-59605
View Paper titled, Measurement of Heat Transfer and Flow Structures in a Closed Rotating Cavity
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Topics: Cavities, Flow (Dynamics), Heat transfer, Disks, Temperature, Compressibility, Engines, Buoyancy, Compressors, Gas turbines
Proceedings Papers

Influence of Flow Coefficient on Ingress Through Turbine Rim Seals

Dimitrios Graikos, Mauro Carnevale, Carl M. Sangan, Gary D. Lock, James A. Scobie
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT14A009, June 7–11, 2021
Paper No: GT2021-59227
https://doi.org/10.1115/GT2021-59227
View Paper titled, Influence of Flow Coefficient on Ingress Through Turbine Rim Seals
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Topics: Flow (Dynamics), Turbines, Blades, Rotors, Annulus, Disks, Stators, Clearances (Engineering), Engines, Entropy
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
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