1-20 of 85
Gary D. Lock
Close
Save search
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Articles

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

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 Article titled, Mass and Heat Exchange in Rotating Compressor Cavities With Variable Cob Separation
Open the PDF for Mass and Heat Exchange in Rotating Compressor Cavities With Variable Cob Separation in another window
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

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
Open the PDF for Mass and Heat Exchange in Rotating Compressor Cavities With Variable Cob Separation in another window
Topics: Buoyancy, Cavities, Compressors, Flow (Dynamics), Heat, Heat transfer, Separation (Technology)
Proceedings Papers

On the Relationship Between Swirl and Unsteadiness Within Turbine Rim Seals

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
Open the PDF for On the Relationship Between Swirl and Unsteadiness Within Turbine Rim Seals in another window
Topics: Clearances (Engineering), Emission spectroscopy, Spectroscopy, Turbines
Proceedings Papers

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

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
Open the PDF for Flow and Heat Transfer in Rotating Compressor Cavities With Inverted Shroud-Throughflow Temperature Differences in another window
Topics: Cavities, Compressors, Flow (Dynamics), Heat transfer, Temperature, Temperature gradient
Journal Articles

A Combined Experimental and Turbulence-Resolved Modeling 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
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2024, 146(8): 081020.
Paper No: GTP-23-1656
https://doi.org/10.1115/1.4064803
Published Online: March 22, 2024
View Article titled, A Combined Experimental and Turbulence-Resolved Modeling Approach for Aeroengine Turbine Rim Seals
Open the PDF for A Combined Experimental and Turbulence-Resolved Modeling Approach for Aeroengine Turbine Rim Seals in another window
Topics: Computation, Flow (Dynamics), Leakage flows, Rotors, Stators, Turbines, Turbulence, Wheels, Modeling, Pressure
Journal Articles

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

Richard W. Jackson, Zhihui Li, Loizos Christodoulou, Stephen Ambrose, Carl M. Sangan, Richard Jefferson-Loveday, Gary D. Lock, James A. Scobie
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2024, 146(6): 061005.
Paper No: TURBO-23-1214
https://doi.org/10.1115/1.4063876
Published Online: January 29, 2024
View Article titled, Windage Torque Reduction in Low-Pressure Turbine Cavities Part II: Experimental and Numerical Results
Open the PDF for Windage Torque Reduction in Low-Pressure Turbine Cavities Part II: Experimental and Numerical Results in another window
Topics: Cavities, Flow (Dynamics), Pressure, Torque, Wheels, Annulus, Stators, Rotors, Flow control, Turbines
Journal Articles

Windage Torque Reduction in Low-Pressure Turbine Cavities Part I: 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
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2024, 146(6): 061004.
Paper No: TURBO-23-1161
https://doi.org/10.1115/1.4064224
Published Online: January 29, 2024
View Article titled, Windage Torque Reduction in Low-Pressure Turbine Cavities Part I: Concept Design and Numerical Investigations
Open the PDF for Windage Torque Reduction in Low-Pressure Turbine Cavities Part I: Concept Design and Numerical Investigations in another window
Topics: Cavities, Design, Flow (Dynamics), Flow control, Pressure, Torque, Turbines, Cavity flows
Journal Articles

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

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 Article titled, A Model of Mass and Heat Transfer for Disc Temperature Prediction in Open Compressor Cavities
Open the PDF for A Model of Mass and Heat Transfer for Disc Temperature Prediction in Open Compressor Cavities in another window
Topics: Cavities, Disks, Flow (Dynamics), Heat transfer, Plumes (Fluid dynamics), Temperature, Compressors, Buoyancy
Journal Articles

Conjugate Modeling of a Closed Co-Rotating Compressor Cavity

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 Article titled, Conjugate Modeling of a Closed Co-Rotating Compressor Cavity
Open the PDF for Conjugate Modeling of a Closed Co-Rotating Compressor Cavity in another window
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

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 Article titled, Experimental Investigation of Transient Flow Phenomena in Rotating Compressor Cavities
Open the PDF for Experimental Investigation of Transient Flow Phenomena in Rotating Compressor Cavities in another window
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

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
Open the PDF for A Model of Mass and Heat Transfer for Disc Temperature Prediction in Open Compressor Cavities in another window
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
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
Publisher: American Society of Mechanical Engineers
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
Open the PDF for A Combined Experimental and Turbulence-Resolved Modelling Approach for Aeroengine Turbine Rim Seals in another window
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
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
Open the PDF for Conjugate Modelling of a Closed Co-Rotating Compressor Cavity in another window
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
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
Open the PDF for Experimental Investigation of Transient Flow Phenomena in Rotating Compressor Cavities in another window
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
Proc. ASME. GT2023, Volume 13B: Turbomachinery — Axial Flow Turbine Aerodynamics, V13BT30A035, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
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
Open the PDF for Windage Torque Reduction in Low-Pressure Turbine Cavities - Part 1: Concept Design and Numerical Investigations in another window
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
Proc. ASME. GT2023, Volume 13B: Turbomachinery — Axial Flow Turbine Aerodynamics, V13BT30A015, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
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
Open the PDF for Windage Torque Reduction in Low-Pressure Turbine Cavities Part 2: Experimental and Numerical Results in another window
Topics: Cavities, Pressure, Torque, Turbines, Flow (Dynamics), Wheels, Engines, Rotors, Stators, Annulus
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
Publisher: ASME
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
Open the PDF for Fluid Dynamics of Turbine Rim Seal Structures: A Physical Interpretation Using URANS in another window
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
Publisher: American Society of Mechanical Engineers
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
Open the PDF for Fluid-Dynamics of Turbine Rim Seal Structures: A Physical Interpretation Using URANS in another window
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
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
Open the PDF for Stratified and Buoyancy-Induced Flow in Closed Compressor Rotors in another window
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
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
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, Turbines, Flow (Dynamics), Disks, Carbon dioxide, Clearances (Engineering), Computational fluid dynamics, Eddies (Fluid dynamics), Engines, Physics