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Journal Articles

The Influence of Boundary Layer State and Trailing Edge Wedge Angle on the Aerodynamic Performance of Transonic Turbine Blades

A. D. Rossiter, G. Pullan, A. P. Melzer
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2023, 145(4): 041008.
Paper No: TURBO-22-1242
https://doi.org/10.1115/1.4055868
Published Online: November 7, 2022
View Article titled, The Influence of Boundary Layer State and Trailing Edge Wedge Angle on the Aerodynamic Performance of Transonic Turbine Blades
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Topics: Boundary layers, Flow (Dynamics), Mach number, Pressure, Reynolds number, Switches, Vortex shedding, Wedges, Design, Turbine blades
Proceedings Papers

The Influence of Boundary Layer State and Trailing Edge Wedge Angle on the Aerodynamic Performance of Transonic Turbine Blades

A. D. Rossiter, G. Pullan, A. P. Melzer
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A025, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82486
https://doi.org/10.1115/GT2022-82486
View Paper titled, The Influence of Boundary Layer State and Trailing Edge Wedge Angle on the Aerodynamic Performance of Transonic Turbine Blades
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Topics: Boundary layers, Turbine blades, Wedges, Pressure, Switches, Geometry, Vortex shedding, Airfoils, Design, Flow (Dynamics)
Journal Articles

Non-Dimensional Parameters for Comparing Conventional and Counter-Rotating Turbomachines

J. J. Waldren, C. J. Clark, S. D. Grimshaw, G. Pullan
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2021, 143(12): 121006.
Paper No: TURBO-20-1324
https://doi.org/10.1115/1.4051559
Published Online: July 5, 2021
View Article titled, Non-Dimensional Parameters for Comparing Conventional and Counter-Rotating Turbomachines
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Topics: Blades, Design, Turbomachinery, Flow (Dynamics), Turbines, Rotation, Machinery, Computational fluid dynamics, Compressors
Proceedings Papers

Sensitivity of Multi-Stage Compressor Performance Assessment to Measurement Rake Positions

M. Chilla, G. Pullan, G. Thorne
Proc. ASME. GT2020, Volume 2A: Turbomachinery, V02AT32A019, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14490
https://doi.org/10.1115/GT2020-14490
View Paper titled, Sensitivity of Multi-Stage Compressor Performance Assessment to Measurement Rake Positions
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Topics: Compressors, Guide vanes, Uncertainty, Flow (Dynamics), Pressure, Ducts, Temperature, Blades, Computational fluid dynamics, Computer simulation
Journal Articles

Effect of Blade Row Interaction on Rotor Film Cooling

J. Brind, G. Pullan
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2020, 142(9): 091011.
Paper No: TURBO-20-1060
https://doi.org/10.1115/1.4047617
Published Online: August 25, 2020
View Article titled, Effect of Blade Row Interaction on Rotor Film Cooling
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Topics: Blades, Boundary-value problems, Coolants, Cooling, Film cooling, Momentum, Pressure, Rotors, Turbines, Wakes
Journal Articles

Reducing Instrumentation Errors Caused by Circumferential Flow-Field Variations in Multistage Axial Compressors

M. Chilla, G. Pullan, S. Gallimore
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2020, 142(9): 091006.
Paper No: TURBO-20-1033
https://doi.org/10.1115/1.4047610
Published Online: August 24, 2020
View Article titled, Reducing Instrumentation Errors Caused by Circumferential Flow-Field Variations in Multistage Axial Compressors
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Topics: Compressors, Errors, Flow (Dynamics), Pressure, Probes, Signals, Stators, Temperature, Wakes, Computational fluid dynamics
Journal Articles

Loss in Axial Compressor Bleed Systems

S. D. Grimshaw, J. Brind, G. Pullan, R. Seki
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2020, 142(9): 091008.
Paper No: TURBO-20-1027
https://doi.org/10.1115/1.4047614
Published Online: August 24, 2020
View Article titled, Loss in Axial Compressor Bleed Systems
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Topics: Compressors, Flow (Dynamics), Turbines, Industrial gases, Pressure, Design, Ducts
Proceedings Papers

Reducing Instrumentation Errors Caused by Circumferential Flow Field Variations in Multi-Stage Axial Compressors

M. Chilla, G. Pullan, S. Gallimore
Proc. ASME. GT2019, Volume 2A: Turbomachinery, V02AT39A018, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90839
https://doi.org/10.1115/GT2019-90839
View Paper titled, Reducing Instrumentation Errors Caused by Circumferential Flow Field Variations in Multi-Stage Axial Compressors
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Topics: Compressors, Errors, Flow (Dynamics), Instrumentation, Probes, Stators, Pressure, Temperature, Aircraft engines, Annulus
Proceedings Papers

Non-Dimensional Parameters for Comparing Conventional and Counter-Rotating Turbomachines

J. J. Waldren, C. J. Clark, S. D. Grimshaw, G. Pullan
Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT40A026, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91632
https://doi.org/10.1115/GT2019-91632
View Paper titled, Non-Dimensional Parameters for Comparing Conventional and Counter-Rotating Turbomachines
Open the PDF for Non-Dimensional Parameters for Comparing Conventional and Counter-Rotating Turbomachines in another window
Topics: Turbomachinery, Blades, Design, Machinery, Rotation, Turbines, Engineers, Power density
Proceedings Papers

Loss in Axial Compressor Bleed Systems

S. D. Grimshaw, J. Brind, G. Pullan, R. Seki
Proc. ASME. GT2019, Volume 2A: Turbomachinery, V02AT39A003, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90150
https://doi.org/10.1115/GT2019-90150
View Paper titled, Loss in Axial Compressor Bleed Systems
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Topics: Compressors, Flow (Dynamics), Industrial gases, Turbines, Computation, Die cutting, Ducts, Geometry, High pressure (Physics), Pressure
Journal Articles

Stall Inception in Low-Pressure Ratio Fans

S. Kim, G. Pullan, C. A. Hall, R. P. Grewe, M. J. Wilson, E. Gunn
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. July 2019, 141(7): 071005.
Paper No: TURBO-19-1010
https://doi.org/10.1115/1.4042731
Published Online: February 22, 2019
View Article titled, Stall Inception in Low-Pressure Ratio Fans
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Topics: Computation, Fans, Flow (Dynamics), Pressure, Stall inception, Design
Journal Articles

The Role of Tip Leakage Flow in Spike-Type Rotating Stall Inception

M. Hewkin-Smith, G. Pullan, S. D. Grimshaw, E. M. Greitzer, Z. S. Spakovszky
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. June 2019, 141(6): 061010.
Paper No: TURBO-18-1342
https://doi.org/10.1115/1.4042250
Published Online: February 8, 2019
View Article titled, The Role of Tip Leakage Flow in Spike-Type Rotating Stall Inception
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Topics: Chords (Trusses), Clearances (Engineering), Flow (Dynamics), Leakage flows, Rotors, Separation (Technology), Corners (Structural elements), Leakage, Momentum, Stall inception
Journal Articles

The Role of Vortex Shedding in the Trailing Edge Loss of Transonic Turbine Blades

A. P. Melzer, G. Pullan
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. April 2019, 141(4): 041001.
Paper No: TURBO-18-1155
https://doi.org/10.1115/1.4041307
Published Online: January 21, 2019
View Article titled, The Role of Vortex Shedding in the Trailing Edge Loss of Transonic Turbine Blades
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Topics: Boundary layers, Cascades (Fluid dynamics), Mach number, Shock waves, Vortex shedding, Blades, Reynolds number, Shapes, Pressure, Turbine blades
Proceedings Papers

Stall Inception in Low Pressure Ratio Fans

S. Kim, G. Pullan, C. A. Hall, R. P. Grewe, M. J. Wilson, E. Gunn
Proc. ASME. GT2018, Volume 2A: Turbomachinery, V02AT39A005, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75153
https://doi.org/10.1115/GT2018-75153
View Paper titled, Stall Inception in Low Pressure Ratio Fans
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Topics: Fans, Pressure, Stall inception, Clearances (Engineering), Flow (Dynamics), Corners (Structural elements), Design, Momentum, Separation (Technology), Aerodynamics
Proceedings Papers

The Role of Vortex Shedding in the Trailing Edge Loss of Transonic Turbine Blades

A. P. Melzer, G. Pullan
Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT41A013, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75707
https://doi.org/10.1115/GT2018-75707
View Paper titled, The Role of Vortex Shedding in the Trailing Edge Loss of Transonic Turbine Blades
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Topics: Turbine blades, Vortex shedding, Blades, Boundary layers, Density, Flow (Dynamics), Mach number, Reynolds number, Shapes, Shock (Mechanics)
Journal Articles

Using Splitters to Control Secondary Flow

C. Clark, G. Pullan
Journal: Mechanical Engineering
Publisher: ASME
Article Type: Select Article
Mechanical Engineering. September 2017, 139(09): 58–59.
Paper No: ME-17-SEP8
https://doi.org/10.1115/1.2017-Sep-8
Published Online: September 1, 2017
View Article titled, Using Splitters to Control Secondary Flow
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Topics: Flow (Dynamics), Stators, Vortices, Kinetic energy, Vorticity, Blades
Proceedings Papers

The Role of Tip Leakage Flow in Spike-Type Rotating Stall Inception

M. Hewkin-Smith, G. Pullan, S. D. Grimshaw, E. M. Greitzer, Z. S. Spakovszky
Proc. ASME. GT2017, Volume 2D: Turbomachinery, V02DT46A009, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63655
https://doi.org/10.1115/GT2017-63655
View Paper titled, The Role of Tip Leakage Flow in Spike-Type Rotating Stall Inception
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Topics: Leakage flows, Stall inception, Flow (Dynamics), Clearances (Engineering), Leakage, Separation (Technology), Momentum, Corners (Structural elements), Chords (Trusses), Geometry
Journal Articles

Filtering Mixing Planes for Low Reduced Frequency Analysis of Turbomachines

G. Pullan, J. J. Adamczyk
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. September 2017, 139(9): 091009.
Paper No: TURBO-17-1024
https://doi.org/10.1115/1.4036296
Published Online: April 19, 2017
View Article titled, Filtering Mixing Planes for Low Reduced Frequency Analysis of Turbomachines
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Topics: Filtration, Wakes, Turbomachinery, Turbines, Rotors, Compressors, Computation, Filters
Proceedings Papers

Filtering Mixing Planes for Low Reduced Frequency Analysis of Turbomachines

G. Pullan, J. J. Adamczyk
Proc. ASME. GT2016, Volume 2C: Turbomachinery, V02CT39A044, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57380
https://doi.org/10.1115/GT2016-57380
View Paper titled, Filtering Mixing Planes for Low Reduced Frequency Analysis of Turbomachines
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Topics: Filtration, Turbomachinery, Blades, Compressors, Computation, Fans, Fluctuations (Physics), Machinery, Numerical analysis, Rotors
Proceedings Papers

High-Pressure Turbine Rim Seal Design for Increased Efficiency

M. Chilla, H. P. Hodson, G. Pullan, D. Newman
Proc. ASME. GT2016, Volume 2B: Turbomachinery, V02BT38A046, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57495
https://doi.org/10.1115/GT2016-57495
View Paper titled, High-Pressure Turbine Rim Seal Design for Increased Efficiency
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Topics: Design, High pressure (Physics), Turbines, Flow (Dynamics), Disks, Sealing (Process), Computer simulation, Geometry, Rotors, Aircraft engines