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Peter F. Crudgington
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Journal Articles

Rotordynamics of a Single-Stage Brush Seal in Isolation: The Effects of Variable Stiffness and Back Plate Geometry

Open Access
Joshua Bird, Patrick S. Keogh, Carl M. Sangan, Aaron A. Bowsher, Peter F. Crudgington, James A. Scobie
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2025, 147(6): 061006.
Paper No: GTP-24-1607
https://doi.org/10.1115/1.4066711
Published Online: November 22, 2024
View Articletitled, Rotordynamics of a Single-Stage Brush Seal in Isolation: The Effects of Variable Stiffness and Back Plate Geometry
Open the PDF for Rotordynamics of a Single-Stage Brush Seal in Isolation: The Effects of Variable Stiffness and Back Plate Geometry in another window
Topics: Damping, Excitation, Leakage, Pressure, Stiffness, Rotors, Pressure drop, Test facilities, Geometry
Journal Articles

Tracking of Bristle Tip Deflections to Demonstrate Blow-Down in Brush Seals

Open Access
Joshua P. Bowen, Aaron A. Bowsher, Peter F. Crudgington, Sam Bull, Carl M. Sangan, James A. Scobie
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2025, 147(5): 051012.
Paper No: GTP-24-1597
https://doi.org/10.1115/1.4066608
Published Online: November 14, 2024
View Articletitled, Tracking of Bristle Tip Deflections to Demonstrate Blow-Down in Brush Seals
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Topics: Clearances (Engineering), Deflection, Pressure, Leakage
Proceedings Papers

Tracking of Bristle Tip Deflections to Demonstrate Blow-Down in Brush Seals

Available to Purchase

Joshua P. Bowen, Aaron A. Bowsher, Peter F. Crudgington, Sam Bull, Carl M. Sangan, James A. Scobie
Proc. ASME. GT2024, Volume 8: Heat Transfer: Internal Air Systems; Heat Transfer: Internal Cooling; Industrial and Cogeneration, V008T14A020, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128820
https://doi.org/10.1115/GT2024-128820
View Paper titled, Tracking of Bristle Tip Deflections to Demonstrate Blow-Down in Brush Seals
Open the PDF for Tracking of Bristle Tip Deflections to Demonstrate Blow-Down in Brush Seals in another window
Topics: Deflection, Pressure, Sealing (Process), Clearances (Engineering), Flow (Dynamics), Design, Gas turbines, Mechanical behavior, Rotors, Stress
Proceedings Papers

Rotordynamics of a Single-Stage Brush Seal in Isolation: The Effects of Variable Stiffness and Back Plate Geometry

Available to Purchase

Joshua Bird, Patrick S. Keogh, Carl M. Sangan, Aaron A. Bowsher, Peter F. Crudgington, James A. Scobie
Proc. ASME. GT2024, Volume 10B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V10BT26A020, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128839
https://doi.org/10.1115/GT2024-128839
View Paper titled, Rotordynamics of a Single-Stage Brush Seal in Isolation: The Effects of Variable Stiffness and Back Plate Geometry
Open the PDF for Rotordynamics of a Single-Stage Brush Seal in Isolation: The Effects of Variable Stiffness and Back Plate Geometry in another window
Topics: Damping, Geometry, Rotordynamics, Stiffness
Journal Articles

Fluid Dynamic Behavior of Conventional and Pressure Relieving Brush Seals

Available to Purchase
Joshua P. Bowen, Joshua J. Bird, Harry Cross, Matthew R. Jenkins, Aaron A. Bowsher, Peter F. Crudgington, Carl M. Sangan, James A. Scobie
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2024, 146(6): 061001.
Paper No: GTP-23-1369
https://doi.org/10.1115/1.4063775
Published Online: December 26, 2023
View Articletitled, Fluid Dynamic Behavior of Conventional and Pressure Relieving Brush Seals
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Topics: Pressure, Leakage, Test facilities
Journal Articles

Dynamic Characterization of an Adaptive Film-Riding Seal

Available to Purchase
Joshua Bird, Patrick S. Keogh, Carl M. Sangan, Aaron A. Bowsher, Peter F. Crudgington, James A. Scobie
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2024, 146(1): 011017.
Paper No: GTP-23-1368
https://doi.org/10.1115/1.4063549
Published Online: November 21, 2023
View Articletitled, Dynamic Characterization of an Adaptive Film-Riding Seal
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Topics: Clearances (Engineering), Computer simulation, Damping, Fluid films, Pressure, Rotors, Stiffness, Modeling, Displacement, Pressure drop
Proceedings Papers

Fluid Dynamic Behaviour of Conventional and Pressure Relieving Brush Seals

Available to Purchase

Joshua P. Bowen, Joshua J. Bird, Harry Cross, Matthew R. Jenkins, Aaron A. Bowsher, Peter F. Crudgington, Carl M. Sangan, James A. Scobie
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT14A015, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103066
https://doi.org/10.1115/GT2023-103066
View Paper titled, Fluid Dynamic Behaviour of Conventional and Pressure Relieving Brush Seals
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Topics: Fluids, Pressure, Leakage, Flow (Dynamics), Durability, Engines, Friction, Plates (structures), Porous materials, Rotation
Proceedings Papers

The Inter-Bristle Pressure Field in a Large-Scale Brush Seal

Available to Purchase

Joshua P. Bowen, Matthew R. Jenkins, Aaron A. Bowsher, Peter F. Crudgington, Carl M. Sangan, James A. Scobie
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT14A009, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82508
https://doi.org/10.1115/GT2022-82508
View Paper titled, The Inter-Bristle Pressure Field in a Large-Scale Brush Seal
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Topics: Pressure, Leakage, Clearances (Engineering), Compacting, Pressure drop, Flow (Dynamics), Fluids, Leakage flows, Rotation, Rotors
Journal Articles

The Inter-Bristle Pressure Field in a Large-Scale Brush Seal

Available to Purchase
Joshua P. Bowen, Matthew R. Jenkins, Aaron A. Bowsher, Peter F. Crudgington, Carl M. Sangan, 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): 111022.
Paper No: GTP-22-1356
https://doi.org/10.1115/1.4055458
Published Online: September 28, 2022
View Articletitled, The Inter-Bristle Pressure Field in a Large-Scale Brush Seal
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Topics: Clearances (Engineering), Pressure, Rotors, Flow (Dynamics), Stress
Proceedings Papers

On the Development of a Pressure Actuated Leaf Seal for Turbomachinery Applications

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Ernesto Pedraza-Valle, Georgios Papageorgiou, Aaron Bowsher, Peter F. Crudgington, Carl M. Sangan, Patrick S. Keogh, James A. Scobie
Proc. ASME. GT2019, Volume 5B: Heat Transfer, V05BT15A009, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90991
https://doi.org/10.1115/GT2019-90991
View Paper titled, On the Development of a Pressure Actuated Leaf Seal for Turbomachinery Applications
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Topics: Pressure, Turbomachinery, Leakage, Clearances (Engineering), Pressure drop, Rotors, Design, Displacement, Eddies (Fluid dynamics), Eddy currents (Electricity)