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Journal Articles

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

Accepted Manuscript
Joshua Bird, Patrick S Keogh, Carl Sangan, Aaron Bowsher, Peter Crudgington, James Scobie
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1607
https://doi.org/10.1115/1.4066711
Published Online: September 28, 2024
View Article titled, Rotordynamics of a Single-Stage Brush Seal in Isolation: The Effects of Variable Stiffness and Back Plate Geometry
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Topics: Geometry, Rotordynamics, Stiffness, Pressure, Leakage, Engines, Gas turbines, Damping, Density, Excitation
Journal Articles

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

Accepted Manuscript
Joshua Bowen, Aaron Bowsher, Peter Crudgington, Samuel Bull, Carl Sangan, James Scobie
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1597
https://doi.org/10.1115/1.4066608
Published Online: September 26, 2024
View Article titled, Tracking of Bristle Tip Deflections To Demonstrate Blow-Down in Brush Seals
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Topics: Deflection, Pressure, Sealing (Process), Clearances (Engineering), Flow (Dynamics), Design, Gas turbines, Mechanical behavior, Rotors, Stress
Journal Articles

A Validated Unsteady Turbofan Engine Performance Simulation Using Pseudo Bond Graph Approach

Accepted Manuscript
Jan Goeing, Sebastian Lueck, Jens Friedrichs
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1487
https://doi.org/10.1115/1.4066530
Published Online: September 13, 2024
View Article titled, A Validated Unsteady Turbofan Engine Performance Simulation Using Pseudo Bond Graph Approach
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Topics: Engines, Simulation, Turbofans, Dynamic systems, Computer software, Differential equations, Flow (Dynamics), Matlab, Test facilities
Journal Articles

Expanding the Capability of a Legacy Combustion Flametube to Test High Temperature Engine Materials in Relevant Environments

Accepted Manuscript
Bryan Harder, Carl Liebfried, Thomas Luginbuhl, Andrew Smith, Amy Stalker, Michael Presby
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1250
https://doi.org/10.1115/1.4066391
Published Online: September 2, 2024
View Article titled, Expanding the Capability of a Legacy Combustion Flametube to Test High Temperature Engine Materials in Relevant Environments
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Topics: Combustion, Engines, High temperature, Design, Airfoils, Ceramic matrix composites, Gas turbines, Manufacturing, Testing, Air flow
Journal Articles

Numerical and Experimental Study of Flow-Induced Vibrations in Micro-Tube Heat Exchangers

H. M. Phan, F. Newman, C. E. O'Pray, D. Parikh
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2024, 146(11): 111028.
Paper No: GTP-24-1272
https://doi.org/10.1115/1.4066156
Published Online: August 23, 2024
View Article titled, Numerical and Experimental Study of Flow-Induced Vibrations in Micro-Tube Heat Exchangers
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Topics: Flow-induced vibrations, Heat exchangers, Temperature, Vibration, Lasers, Computer simulation, Damping, Fluids, Eigenvalues, Test facilities
Journal Articles

Fluid Dynamic Behavior of Conventional and Pressure Relieving Brush Seals

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 Article titled, Fluid Dynamic Behavior of Conventional and Pressure Relieving Brush Seals
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Topics: Pressure, Leakage, Test facilities
Journal Articles

A Correction Method for the Effects of Reynolds Number, Roughness, and Tip Clearance on Geometric Scaling of Axial Compressors

Yitong Liu, Wuqi Gong, Lu Liang, Qi Wang
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2023, 145(10): 101004.
Paper No: GTP-23-1107
https://doi.org/10.1115/1.4063229
Published Online: August 31, 2023
View Article titled, A Correction Method for the Effects of Reynolds Number, Roughness, and Tip Clearance on Geometric Scaling of Axial Compressors
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Topics: Clearances (Engineering), Compressors, Engineering prototypes, Reynolds number, Surface roughness, Numerical analysis, Test facilities, Flow (Dynamics), Computational fluid dynamics, Pressure
Journal Articles

Pumping Loss of Shrouded Meshed Spur Gears

Michael J. Hurrell, Jerzy T. Sawicki
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2020, 142(11): 111003.
Paper No: GTP-20-1568
https://doi.org/10.1115/1.4048487
Published Online: October 15, 2020
View Article titled, Pumping Loss of Shrouded Meshed Spur Gears
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Topics: Clearances (Engineering), Computational fluid dynamics, Flow (Dynamics), Gears, Pressure, Spur gears, Stress, NASA, Drag (Fluid dynamics), Test facilities
Journal Articles

Commissioning of a Combined Hot-Streak and Swirl Profile Generator in a Transonic Turbine Test Facility

Maxwell G. Adams, Thomas Povey, Benjamin F. Hall, David N. Cardwell, Kam S. Chana, Paul F. Beard
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2020, 142(3): 031008.
Paper No: GTP-19-1034
https://doi.org/10.1115/1.4044224
Published Online: January 29, 2020
View Article titled, Commissioning of a Combined Hot-Streak and Swirl Profile Generator in a Transonic Turbine Test Facility
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Topics: Combustion chambers, Flow (Dynamics), Pressure, Temperature, Test facilities, Turbines, Nozzle guide vanes, Design
Journal Articles

Altitude Test Facility Humidity Control to Generate Defined Icing Conditions

Felix M. Barth, Stephan Staudacher, Constanze Schiewe
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2020, 142(2): 021002.
Paper No: GTP-19-1226
https://doi.org/10.1115/1.4045480
Published Online: January 6, 2020
View Article titled, Altitude Test Facility Humidity Control to Generate Defined Icing Conditions
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Topics: Aerosols, Condensation, Fluids, Nucleation (Physics), Particle size, Particulate matter, Temperature, Test facilities, Water, Ice
Journal Articles

Static and Dynamic Coefficient Measurements for a Thrust Collar Used in an Integrally Geared Compressor

Thomas Kerr, Andrew Crandall, Dara Childs, Adolfo Delgado
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2019, 141(5): 051020.
Paper No: GTP-18-1314
https://doi.org/10.1115/1.4041654
Published Online: March 14, 2019
View Article titled, Static and Dynamic Coefficient Measurements for a Thrust Collar Used in an Integrally Geared Compressor
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Topics: Compressors, Damping, Deflection, Degrees of freedom, Hammers, Rotation, Stiffness, Stress, Test facilities, Thrust
Journal Articles

Performance Testing of an Axial Flow Fan Designed for Air-Cooled Heat Exchanger Applications

Michael B. Wilkinson, Sybrand J. van der Spuy, Theodor W. von Backström
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2019, 141(5): 051007.
Paper No: GTP-18-1362
https://doi.org/10.1115/1.4041010
Published Online: December 7, 2018
View Article titled, Performance Testing of an Axial Flow Fan Designed for Air-Cooled Heat Exchanger Applications
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Topics: Blades, Computational fluid dynamics, Design, Flow (Dynamics), Pressure, Heat exchangers, Axial flow, Clearances (Engineering), Flat plates, Test facilities
Journal Articles

Novel Test Facility for Investigation of the Impact of Thermally Induced Stress Gradients on Fatigue Life of Cooled Gas Turbine Components

Marcus Thiele, Uwe Gampe, Kathrin A. Fischer
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2019, 141(3): 032502.
Paper No: GTP-18-1482
https://doi.org/10.1115/1.4041129
Published Online: October 4, 2018
View Article titled, Novel Test Facility for Investigation of the Impact of Thermally Induced Stress Gradients on Fatigue Life of Cooled Gas Turbine Components
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Topics: Gas turbines, Heat, Heat flux, Heating, Stress, Temperature, Temperature gradient, Test facilities, Fatigue life, Cylinders
Journal Articles

On-Site Identification of Dynamic Annular Seal Forces in Turbo Machinery Using Active Magnetic Bearings: An Experimental Investigation

Jonas S. Lauridsen, Ilmar F. Santos
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2018, 140(8): 082501.
Paper No: GTP-17-1106
https://doi.org/10.1115/1.4038755
Published Online: April 12, 2018
View Article titled, On-Site Identification of Dynamic Annular Seal Forces in Turbo Machinery Using Active Magnetic Bearings: An Experimental Investigation
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Topics: Damping, Dynamics (Mechanics), Excitation, Fluids, Machinery, Magnetic bearings, Modeling, Rotors, Stiffness, Test facilities
Journal Articles

Design and Calibration of a Full Scale Active Magnetic Bearing Based Test Facility for Investigating Rotordynamic Properties of Turbomachinery Seals in Multiphase Flow

Andreas Jauernik Voigt, Christian Mandrup-Poulsen, Kenny Krogh Nielsen, Ilmar F. Santos
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2017, 139(5): 052505.
Paper No: GTP-16-1397
https://doi.org/10.1115/1.4035176
Published Online: January 4, 2017
View Article titled, Design and Calibration of a Full Scale Active Magnetic Bearing Based Test Facility for Investigating Rotordynamic Properties of Turbomachinery Seals in Multiphase Flow
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Topics: Calibration, Design, Manufacturing, Multiphase flow, Sensors, Test facilities, Turbomachinery, Flow (Dynamics), Magnetic bearings, Pistons
Journal Articles

Analytical Modeling and Experimental Validation of Heating at the Leaf Seal/Rotor Interface

Michael J. Pekris, Gervas Franceschini, Andrew K. Owen, Terry V. Jones, David R. H. Gillespie
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2017, 139(4): 042504.
Paper No: GTP-16-1367
https://doi.org/10.1115/1.4034702
Published Online: November 2, 2016
View Article titled, Analytical Modeling and Experimental Validation of Heating at the Leaf Seal/Rotor Interface
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Topics: Flow (Dynamics), Heat transfer, Metals, Rotors, Temperature, Heat, Heat transfer coefficients, Modeling, Dimensional analysis, Test facilities
Journal Articles

Experimental Characterization of Rotor Convective Heat Transfer Coefficients in the Vicinity of a Leaf Seal

Juan-Diego Pelegrin-Garcia, David R. H. Gillespie, Michael J. Pekris, Gervas Franceschini, Leonid Ganin
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2017, 139(3): 031901.
Paper No: GTP-16-1285
https://doi.org/10.1115/1.4034519
Published Online: September 27, 2016
View Article titled, Experimental Characterization of Rotor Convective Heat Transfer Coefficients in the Vicinity of a Leaf Seal
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Topics: Computational fluid dynamics, Convection, Flow (Dynamics), Heat transfer, Pressure, Rotors, Temperature, Thermocouples, Heat flux, Heat
Journal Articles

High-Speed Characterization of a Prototype Leaf Seal on an Advanced Seal Test Facility

Michael J. Pekris, Adele Nasti, Ingo H. J. Jahn, Gervas Franceschini
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2016, 138(8): 082503.
Paper No: GTP-15-1561
https://doi.org/10.1115/1.4032422
Published Online: March 15, 2016
View Article titled, High-Speed Characterization of a Prototype Leaf Seal on an Advanced Seal Test Facility
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Topics: Clearances (Engineering), Engineering prototypes, Leakage, Pressure, Rotors, Temperature, Test facilities, Torque, Uncertainty, Flow (Dynamics)
Journal Articles

Experimental Investigation of a Leaf Seal Prototype at Engine-Representative Speeds and Pressures

Michael J. Pekris, Gervas Franceschini, Ingo H. J. Jahn, David R. H. Gillespie
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2016, 138(7): 072502.
Paper No: GTP-15-1449
https://doi.org/10.1115/1.4031875
Published Online: December 4, 2015
View Article titled, Experimental Investigation of a Leaf Seal Prototype at Engine-Representative Speeds and Pressures
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Topics: Clearances (Engineering), Engineering prototypes, Engines, Pressure, Rotors, Torque, Test facilities, Geometry, Leakage, Flow (Dynamics)
Journal Articles

Brush Seals Used in Steam Environments—Chronological Wear Development and the Impact of Different Seal Designs

Markus Raben, Jens Friedrichs, Thomas Helmis, Johan Flegler
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2016, 138(5): 051901.
Paper No: GTP-15-1318
https://doi.org/10.1115/1.4031531
Published Online: October 27, 2015
View Article titled, Brush Seals Used in Steam Environments—Chronological Wear Development and the Impact of Different Seal Designs
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Topics: Pressure, Steam, Stress, Wear, Stiffness, Transients (Dynamics), Test facilities, Rotors