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John W. Chew
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Journal Articles

Investigation of Grooved Front Plate for Inlet Swirl Reduction in Brush Seals

Accepted Manuscript
Abdullah Aboseada, Michael J Pekris, John W. Chew
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1836
https://doi.org/10.1115/1.4067863
Published Online: February 10, 2025
View Article titled, Investigation of Grooved Front Plate for Inlet Swirl Reduction in Brush Seals
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Topics: Aerodynamics, Boundary-value problems, Clearances (Engineering), Computational fluid dynamics, Design, Drag (Fluid dynamics), Equilibrium (Physics), Experimental design, Failure, Flow (Dynamics)
Journal Articles

Flow and Heat Transfer in a Rotating Disc Cavity With Axial Throughflow at High-Speed Conditions

Ruonan Wang, John W. Chew, Feng Gao, Olaf Marxen
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2025, 147(9): 091005.
Paper No: TURBO-24-1167
https://doi.org/10.1115/1.4067437
Published Online: February 6, 2025
View Article titled, Flow and Heat Transfer in a Rotating Disc Cavity With Axial Throughflow at High-Speed Conditions
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Topics: Cavities, Disks, Flow (Dynamics), Heat transfer, Reynolds number, Rotating disks, Temperature, Buoyancy, Turbulence, Simulation
Proceedings Papers

A New Experimental Capability for Electric and Hybrid-Electric Propulsion and Thermal Management Research: The Surrey Aerothermal Test Facility (SATF)

Alishaan Hussain, John J. Doherty, Michael J. Pekris, John W. Chew, Paul Hayden
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A004, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121348
https://doi.org/10.1115/GT2024-121348
View Paper titled, A New Experimental Capability for Electric and Hybrid-Electric Propulsion and Thermal Management Research: The Surrey Aerothermal Test Facility (SATF)
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Topics: Propulsion, Test facilities, Thermal management
Proceedings Papers

Flow and Heat Transfer in a Rotating Disc Cavity With Axial Throughflow at High Speed Conditions

Ruonan Wang, John W. Chew, Feng Gao, Olaf Marxen
Proc. ASME. GT2024, Volume 8: Heat Transfer: Internal Air Systems; Heat Transfer: Internal Cooling; Industrial and Cogeneration, V008T14A014, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127455
https://doi.org/10.1115/GT2024-127455
View Paper titled, Flow and Heat Transfer in a Rotating Disc Cavity With Axial Throughflow at High Speed Conditions
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Topics: Buoyancy, Cavities, Compressors, Disks, Flow (Dynamics), Heat transfer, Reynolds number, Rotating disks
Proceedings Papers

Investigation of Grooved Front Plate for Inlet Swirl Reduction in Brush Seals

Abdullah M. Abbas, Michael J. Pekris, John W. Chew
Proc. ASME. GT2024, Volume 8: Heat Transfer: Internal Air Systems; Heat Transfer: Internal Cooling; Industrial and Cogeneration, V008T14A015, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127753
https://doi.org/10.1115/GT2024-127753
View Paper titled, Investigation of Grooved Front Plate for Inlet Swirl Reduction in Brush Seals
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Topics: Aerodynamics, Clearances (Engineering), Computational fluid dynamics, Design, Drag (Fluid dynamics), Engines, Experimental design, Flow (Dynamics), Fluid-dynamic forces, Fuel efficiency
Proceedings Papers

Modeling of Frictional Inter-Bristle Contact in Brush Seals With Shaft Radial Movements

Harry M. Phan, Michael J. Pekris, John W. Chew, Thomas J. Greenslade
Proc. ASME. GT2024, Volume 8: Heat Transfer: Internal Air Systems; Heat Transfer: Internal Cooling; Industrial and Cogeneration, V008T14A016, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127824
https://doi.org/10.1115/GT2024-127824
View Paper titled, Modeling of Frictional Inter-Bristle Contact in Brush Seals With Shaft Radial Movements
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Topics: Friction, Modeling, Clearances (Engineering), Leakage flows, Pressure, Wear, Compression, Computer simulation, Heat, Thermal efficiency
Journal Articles

Effect of Rim Seal Geometry on Rotationally-Driven Ingestion

Shaun Burden, John W. Chew, Feng Gao, Olaf Marxen
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2024, 146(9): 091013.
Paper No: GTP-24-1012
https://doi.org/10.1115/1.4064730
Published Online: March 20, 2024
View Article titled, Effect of Rim Seal Geometry on Rotationally-Driven Ingestion
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Topics: Clearances (Engineering), Flow (Dynamics), Geometry, Modeling, Sealing (Process), Turbulence, Computational fluid dynamics, Cavities, Large eddy simulation, Turbines
Journal Articles

Advanced Modeling of Flow and Heat Transfer in Rotating Disk Cavities Using Open-Source Computational Fluid Dynamics

Ruonan Wang, Feng Gao, John W. Chew, Olaf Marxen, Zixiang Sun
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2024, 146(6): 061022.
Paper No: GTP-23-1609
https://doi.org/10.1115/1.4063989
Published Online: January 12, 2024
View Article titled, Advanced Modeling of Flow and Heat Transfer in Rotating Disk Cavities Using Open-Source Computational Fluid Dynamics
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Topics: Cavities, Disks, Flow (Dynamics), Heat transfer, Temperature, Computational fluid dynamics
Proceedings Papers

Effect of Rim Seal Geometry on Rotationally-Driven Ingestion

Shaun Burden, John W. Chew, Feng Gao, Olaf Marxen
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT14A014, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103041
https://doi.org/10.1115/GT2023-103041
View Paper titled, Effect of Rim Seal Geometry on Rotationally-Driven Ingestion
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Topics: Geometry, Modeling, Sealing (Process), Boundary layers, Clearances (Engineering), Computation, Gas turbines, Large eddy simulation, Turbines, Turbulence
Proceedings Papers

Insights Into Frictional Brush Seal Hysteresis

Hien M. Phan, Michael J. Pekris, John W. Chew
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT14A007, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102443
https://doi.org/10.1115/GT2023-102443
View Paper titled, Insights Into Frictional Brush Seal Hysteresis
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Topics: Computer simulation, Displacement, Fluid structure interaction, Friction, High pressure (Physics), Leakage, Modeling, Pressure, Rotation, Sealing (Process)
Proceedings Papers

Advanced Modelling of Flow and Heat Transfer in Rotating Disc Cavities Using Open-Source CFD

Ruonan Wang, Feng Gao, John W. Chew, Olaf Marxen, Zixiang Sun
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT14A009, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102491
https://doi.org/10.1115/GT2023-102491
View Paper titled, Advanced Modelling of Flow and Heat Transfer in Rotating Disc Cavities Using Open-Source CFD
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Topics: Cavities, Computational fluid dynamics, Flow (Dynamics), Heat transfer, Modeling, Rotating disks
Journal Articles

Measurement of Inertial and Acoustic Waves in a Turbine Chute Rim Seal Cavity

Anna Bru Revert, Paul F. Beard, John W. Chew
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2023, 145(6): 061021.
Paper No: GTP-22-1603
https://doi.org/10.1115/1.4056552
Published Online: February 15, 2023
View Article titled, Measurement of Inertial and Acoustic Waves in a Turbine Chute Rim Seal Cavity
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Topics: Acoustics, Annulus, Cavities, Flow (Dynamics), Pressure, Rotors, Waves, Disks, Unsteady flow
Proceedings Papers

Measurement of Inertial and Acoustic Waves in a Turbine Chute Rim Seal Cavity

Anna Bru Revert, Paul F. Beard, John W. Chew
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT14A012, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82846
https://doi.org/10.1115/GT2022-82846
View Paper titled, Measurement of Inertial and Acoustic Waves in a Turbine Chute Rim Seal Cavity
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Topics: Acoustics, Cavities, Turbines, Waves, Flow (Dynamics), Pressure, Pressure transducers, Inspection, Measurement systems, Rotors
Proceedings Papers

Effects of Turbine Conditions on Rim Seal Performance and Prediction

Shaun Burden, John W. Chew, Feng Gao, Olaf Marxen
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT14A016, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83194
https://doi.org/10.1115/GT2022-83194
View Paper titled, Effects of Turbine Conditions on Rim Seal Performance and Prediction
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Topics: Computational fluid dynamics, Turbines, Flow (Dynamics), Pressure, Cavities, Cooling systems, Disks, Dynamics (Mechanics), Geometry, Large eddy simulation
Journal Articles

Large Eddy Simulation Investigation of Low Rossby Number Buoyant Flow in Rotating Cavities

Zixiang Sun, Feng Gao, John W. Chew, Dario Amirante
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2022, 144(12): 121023.
Paper No: GTP-22-1335
https://doi.org/10.1115/1.4055686
Published Online: October 19, 2022
View Article titled, Large Eddy Simulation Investigation of Low Rossby Number Buoyant Flow in Rotating Cavities
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Topics: Cavities, Flow (Dynamics), Heat transfer, Disks, Temperature
Journal Articles

Flow and Heat Transfer Mechanisms in a Rotating Compressor Cavity Under Centrifugal Buoyancy-Driven Convection

Feng Gao, John W. Chew
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2022, 144(5): 051010.
Paper No: GTP-21-1465
https://doi.org/10.1115/1.4052649
Published Online: February 21, 2022
View Article titled, Flow and Heat Transfer Mechanisms in a Rotating Compressor Cavity Under Centrifugal Buoyancy-Driven Convection
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Topics: Cavities, Disks, Flow (Dynamics), Heat transfer, Temperature, Compressors, Buoyancy
Proceedings Papers

Flow and Heat Transfer Mechanisms in a Rotating Compressor Cavity Under Centrifugal Buoyancy-Driven Convection

Feng Gao, John W. Chew
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT14A003, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58907
https://doi.org/10.1115/GT2021-58907
View Paper titled, Flow and Heat Transfer Mechanisms in a Rotating Compressor Cavity Under Centrifugal Buoyancy-Driven Convection
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Topics: Buoyancy, Cavities, Compressors, Convection, Flow (Dynamics), Heat transfer, Disks, Engineering simulation, Forced convection, Gravity (Force)
Journal Articles

Performance of a Turbine Rim Seal Subject to Rotationally-Driven and Pressure-Driven Ingestion

Anna Bru Revert, Paul F. Beard, John W. Chew, Sebastiaan Bottenheim
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2021, 143(8): 081025.
Paper No: GTP-20-1696
https://doi.org/10.1115/1.4049858
Published Online: May 28, 2021
View Article titled, Performance of a Turbine Rim Seal Subject to Rotationally-Driven and Pressure-Driven Ingestion
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Topics: Annulus, Cavities, Disks, Flow (Dynamics), Pressure, Rotors, Sealing (Process), Turbines
Journal Articles

Wall-Modeled Large Eddy Simulations of Axial Turbine Rim Sealing

Donato M. Palermo, Feng Gao, Dario Amirante, John W. Chew, Anna Bru Revert, Paul F. Beard
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2021, 143(6): 061025.
Paper No: GTP-20-1400
https://doi.org/10.1115/1.4049487
Published Online: April 2, 2021
View Article titled, Wall-Modeled Large Eddy Simulations of Axial Turbine Rim Sealing
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Topics: Flow (Dynamics), Rotors, Sealing (Process), Turbines, Stators, Scalars, Annulus, Large eddy simulation, Disks, Cavity flows
Journal Articles

Transient Aero-Thermo-Mechanical Multidimensional Analysis of a High Pressure Turbine Assembly Through a Square Cycle

Vladislav Ganine, John W. Chew, Nicholas J. Hills, Sulfi Noor Mohamed, Matthew M. Miller
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2021, 143(8): 081008.
Paper No: GTP-20-1506
https://doi.org/10.1115/1.4049498
Published Online: March 31, 2021
View Article titled, Transient Aero-Thermo-Mechanical Multidimensional Analysis of a High Pressure Turbine Assembly Through a Square Cycle
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Topics: Cavities, Cycles, Engines, Flow (Dynamics), Fluids, High pressure (Physics), Pressure, Simulation, Transients (Dynamics), Turbines