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Journal Articles

On the Relationship Between Swirl and Unsteadiness Within Turbine Rim Seals

Open Access
Simon Vella, Hui Tang, Mauro Carnevale, James A. Scobie, Gary D. Lock, Francesco Salvatori, Carl M. Sangan
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2025, 147(4): 041031.
Paper No: GTP-24-1653
https://doi.org/10.1115/1.4066997
Published Online: December 11, 2024
View Articletitled, On the Relationship Between Swirl and Unsteadiness Within Turbine Rim Seals
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Topics: Annulus, Clearances (Engineering), Flow (Dynamics), Geometry, Rotors, Sealing (Process), Stators, Turbines, Wheels, Pressure
Journal Articles

Flow and Heat Transfer in Rotating Compressor Cavities With Inverted Shroud-Throughflow Temperature Differences

Open Access
Mikolaj J. Pernak, Tom E. W. Nicholas, Mauro Carnevale, Gary D. Lock, Hui Tang, James A. Scobie
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2025, 147(7): 071005.
Paper No: TURBO-24-1182
https://doi.org/10.1115/1.4067075
Published Online: December 10, 2024
View Articletitled, Flow and Heat Transfer in Rotating Compressor Cavities With Inverted Shroud-Throughflow Temperature Differences
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Topics: Cavities, Compressors, Disks, Flow (Dynamics), Heat flux, Heat transfer, Temperature, Temperature gradient, Pressure, Vortices
Journal Articles

Mass and Heat Exchange in Rotating Compressor Cavities With Variable Cob Separation

Open Access
Tom E. W. Nicholas, Mikolaj J. Pernak, Gary D. Lock, James A. Scobie, Hui Tang
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2025, 147(1): 011018.
Paper No: GTP-24-1396
https://doi.org/10.1115/1.4066247
Published Online: September 19, 2024
View Articletitled, Mass and Heat Exchange in Rotating Compressor Cavities With Variable Cob Separation
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Topics: Cavities, Disks, Flow (Dynamics), Heat transfer, Plumes (Fluid dynamics), Temperature, Vortices, Compressors
Proceedings Papers

Mass and Heat Exchange in Rotating Compressor Cavities With Variable Cob Separation

Available to Purchase

Tom E. W. Nicholas, Mikolaj J. Pernak, Gary D. Lock, James A. Scobie, Hui Tang
Proc. ASME. GT2024, Volume 8: Heat Transfer: Internal Air Systems; Heat Transfer: Internal Cooling; Industrial and Cogeneration, V008T14A011, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126600
https://doi.org/10.1115/GT2024-126600
View Paper titled, Mass and Heat Exchange in Rotating Compressor Cavities With Variable Cob Separation
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Topics: Buoyancy, Cavities, Compressors, Flow (Dynamics), Heat, Heat transfer, Separation (Technology)
Proceedings Papers

On the Relationship Between Swirl and Unsteadiness Within Turbine Rim Seals

Available to Purchase

Simon Vella, Hui Tang, Mauro Carnevale, James A. Scobie, Gary D. Lock, Francesco Salvatori, Carl M. Sangan
Proc. ASME. GT2024, Volume 8: Heat Transfer: Internal Air Systems; Heat Transfer: Internal Cooling; Industrial and Cogeneration, V008T14A023, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129016
https://doi.org/10.1115/GT2024-129016
View Paper titled, On the Relationship Between Swirl and Unsteadiness Within Turbine Rim Seals
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Topics: Clearances (Engineering), Emission spectroscopy, Spectroscopy, Turbines
Proceedings Papers

Flow and Heat Transfer in Rotating Compressor Cavities With Inverted Shroud-Throughflow Temperature Differences

Available to Purchase

Mikolaj J. Pernak, Tom E. W. Nicholas, Mauro Carnevale, Gary D. Lock, Hui Tang, James A. Scobie
Proc. ASME. GT2024, Volume 8: Heat Transfer: Internal Air Systems; Heat Transfer: Internal Cooling; Industrial and Cogeneration, V008T14A003, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-123211
https://doi.org/10.1115/GT2024-123211
View Paper titled, Flow and Heat Transfer in Rotating Compressor Cavities With Inverted Shroud-Throughflow Temperature Differences
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Topics: Cavities, Compressors, Flow (Dynamics), Heat transfer, Temperature, Temperature gradient
Journal Articles

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

Available to Purchase
Tom E. W. Nicholas, James A. Scobie, Gary D. Lock, Hui Tang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2024, 146(4): 041001.
Paper No: TURBO-23-1238
https://doi.org/10.1115/1.4064082
Published Online: December 15, 2023
View Articletitled, A Model of Mass and Heat Transfer for Disc Temperature Prediction in Open Compressor Cavities
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Topics: Cavities, Disks, Flow (Dynamics), Heat transfer, Plumes (Fluid dynamics), Temperature, Compressors, Buoyancy
Journal Articles

Conjugate Modeling of a Closed Co-Rotating Compressor Cavity

Available to Purchase
James Parry, Hui Tang, James A. Scobie, Gary D. Lock, Mauro Carnevale
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2024, 146(5): 051007.
Paper No: GTP-23-1555
https://doi.org/10.1115/1.4063632
Published Online: December 8, 2023
View Articletitled, Conjugate Modeling of a Closed Co-Rotating Compressor Cavity
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Topics: Cavities, Disks, Flow (Dynamics), Fluids, Heat transfer, Modeling, Temperature, Compressors, Buoyancy, Simulation
Journal Articles

Experimental Investigation of Transient Flow Phenomena in Rotating Compressor Cavities

Available to Purchase
Mikolaj J. Pernak, Tom E. W. Nicholas, Jake T. Williams, Richard W. Jackson, Hui Tang, Gary D. Lock, James A. Scobie
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2023, 145(12): 121005.
Paper No: TURBO-23-1143
https://doi.org/10.1115/1.4063507
Published Online: October 19, 2023
View Articletitled, Experimental Investigation of Transient Flow Phenomena in Rotating Compressor Cavities
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Topics: Cavities, Disks, Flow (Dynamics), Heat transfer, Temperature, Transients (Dynamics), Compressors, Steady state, Buoyancy
Proceedings Papers

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

Available to Purchase

Thomas E. W. Nicholas, James A. Scobie, Gary D. Lock, Hui Tang
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
Publisher: American Society of Mechanical Engineers
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

Conjugate Modelling of a Closed Co-Rotating Compressor Cavity

Available to Purchase

James Parry, Hui Tang, James A. Scobie, Gary D. Lock, Mauro Carnevale
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
Publisher: American Society of Mechanical Engineers
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

Available to Purchase

Mikolaj J. Pernak, Tom E. W. Nicholas, Jake T. Williams, Richard W. Jackson, Hui Tang, Gary D. Lock, James A. Scobie
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
Publisher: American Society of Mechanical Engineers
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

Stratified and Buoyancy-Induced Flow in Closed Compressor Rotors

Available to Purchase

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
Proceedings Papers

Plume Model for Buoyancy-Induced Flow and Heat Transfer in Closed Rotating Cavities

Available to Purchase

Hui Tang, J. Michael Owen
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT14A002, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80477
https://doi.org/10.1115/GT2022-80477
View Paper titled, Plume Model for Buoyancy-Induced Flow and Heat Transfer in Closed Rotating Cavities
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Topics: Buoyancy, Cavities, Flow (Dynamics), Heat transfer, Plumes (Fluid dynamics), Disks, Fluids, Temperature, Convection, Compressibility
Proceedings Papers

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

Available to Purchase

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
Publisher: American Society of Mechanical Engineers
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

Plume Model for Buoyancy-Induced Flow and Heat Transfer in Closed Rotating Cavities

Available to Purchase
Hui Tang, J. Michael Owen
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2023, 145(1): 011005.
Paper No: TURBO-22-1169
https://doi.org/10.1115/1.4055449
Published Online: October 7, 2022
View Articletitled, Plume Model for Buoyancy-Induced Flow and Heat Transfer in Closed Rotating Cavities
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Topics: Cavities, Disks, Flow (Dynamics), Plumes (Fluid dynamics), Temperature, Heat transfer, Fluids, Pressure, Buoyancy
Journal Articles

Stratified and Buoyancy-Induced Flow in Closed Compressor Rotors

Available to Purchase
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 Articletitled, Stratified and Buoyancy-Induced Flow in Closed Compressor Rotors
Open the PDF for Stratified and Buoyancy-Induced Flow in Closed Compressor Rotors in another window
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

Available to Purchase
Dimitrios Graikos, Hui Tang, Carl M. Sangan, Gary D. Lock, James A. Scobie
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
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 Articletitled, A New Interpretation of Hot Gas Ingress Through Turbine Rim Seals Influenced by Mainstream Annulus Swirl
Open the PDF for A New Interpretation of Hot Gas Ingress Through Turbine Rim Seals Influenced by Mainstream Annulus Swirl in another window
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

Available to Purchase
Richard W. Jackson, Hui Tang, James A. Scobie, 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. May 2022, 144(5): 051005.
Paper No: GTP-21-1400
https://doi.org/10.1115/1.4053392
Published Online: February 21, 2022
View Articletitled, 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

Available to Purchase
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 Articletitled, 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)