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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

Influence of Helical Intake Port Structure Parameters of Diesel Engine on Intake Performance

Guangyuan Bao, Chao He, Jiaqiang Li, Xueyuan Liu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2024, 146(11): 111025.
Paper No: GTP-23-1711
https://doi.org/10.1115/1.4066171
Published Online: August 23, 2024
View Article titled, Influence of Helical Intake Port Structure Parameters of Diesel Engine on Intake Performance
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Topics: Air flow, Cylinders, Deflection, Diesel engines, Flow (Dynamics), Regression analysis, Computational fluid dynamics, Construction, Valves
Journal Articles

Quantitative Measurements in the Exhaust Flow of A Rotating Detonation Combustor Using Rainbow Schlieren Deflectometry

Apurav Gupta, Robert Miller, Kayla Bell, Dalton Langner, Ajay K. Agrawal
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2024, 146(12): 121004.
Paper No: GTP-24-1288
https://doi.org/10.1115/1.4066162
Published Online: August 23, 2024
View Article titled, Quantitative Measurements in the Exhaust Flow of A Rotating Detonation Combustor Using Rainbow Schlieren Deflectometry
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Topics: Combustion chambers, Deflection, Density, Exhaust systems, Explosions, Flow (Dynamics), Waves, Pressure, Probes, Plumes (Fluid dynamics)
Journal Articles

Characteristics of Laminar Separation Bubble With Varying Leading-Edge Shapes and Deflections of the Trailing-Edge Flap

Sumit S. Sarvankar, Drik Sarkar, Adrin Issai Arasu, Chetankumar Sureshbhai Mistry, Nagabhushana Rao Vadlamani
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2024, 146(10): 101014.
Paper No: GTP-24-1128
https://doi.org/10.1115/1.4065408
Published Online: May 21, 2024
View Article titled, Characteristics of Laminar Separation Bubble With Varying Leading-Edge Shapes and Deflections of the Trailing-Edge Flap
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Topics: Bubbles, Flow (Dynamics), Separation (Technology), Simulation, Engineering simulation, Deflection, Flat plates, Shapes, Large eddy simulation, Reynolds-averaged Navier–Stokes equations
Journal Articles

Wake Structure in Yawed Approaching Flows for an Axial-Flow Wind Turbine

Mohammad H. B. Ahmadi, Zhiyin Yang
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2022, 144(11): 111016.
Paper No: GTP-22-1316
https://doi.org/10.1115/1.4055420
Published Online: September 22, 2022
View Article titled, Wake Structure in Yawed Approaching Flows for an Axial-Flow Wind Turbine
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Topics: Flow (Dynamics), Rotors, Turbines, Wakes, Wind turbines, Yaw, Blades, Deflection, Actuators, Modeling
Journal Articles

Knowledge-Based Process Design Optimization in Blisk Manufacturing

Markus Landwehr, Philipp Ganser, Georg Vinogradov, Thomas Bergs
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2022, 144(11): 111011.
Paper No: GTP-22-1309
https://doi.org/10.1115/1.4055496
Published Online: September 21, 2022
View Article titled, Knowledge-Based Process Design Optimization in Blisk Manufacturing
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Topics: Blades, Manufacturing, Optimization, Process design, Finishing, Machining, Turbomachinery, Deflection
Journal Articles

Additively Manufactured Compliant Hybrid Gas Thrust Bearing for Supercritical Carbon Dioxide Turbomachinery: Design and Proof of Concept Testing

Bugra Ertas
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2021, 143(8): 081024.
Paper No: GTP-20-1710
https://doi.org/10.1115/1.4050865
Published Online: May 7, 2021
View Article titled, Additively Manufactured Compliant Hybrid Gas Thrust Bearing for Supercritical Carbon Dioxide Turbomachinery: Design and Proof of Concept Testing
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Topics: Bearings, Design, Stress, Testing, Thrust, Thrust bearings, Turbomachinery, Additive manufacturing, Springs, Stiffness
Journal Articles

Static Performance of a Hydrostatic Thrust Foil Bearing for Large Scale Oil-Free Turbomachines

Nguyen LaTray, Daejong Kim, Myongsok Song
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2021, 143(4): 041017.
Paper No: GTP-20-1721
https://doi.org/10.1115/1.4049884
Published Online: February 26, 2021
View Article titled, Static Performance of a Hydrostatic Thrust Foil Bearing for Large Scale Oil-Free Turbomachines
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Topics: Bearings, Deflection, Film thickness, Foil bearings, Hydrostatics, Pressure, Stress, Thrust, Turbomachinery, Disks
Journal Articles

Analysis of Friction-Saturated Flutter Vibrations With a Fully Coupled Frequency Domain Method

Christian Berthold, Johann Gross, Christian Frey, Malte Krack
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2020, 142(11): 111007.
Paper No: GTP-20-1508
https://doi.org/10.1115/1.4048650
Published Online: October 20, 2020
View Article titled, Analysis of Friction-Saturated Flutter Vibrations With a Fully Coupled Frequency Domain Method
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Topics: Aerodynamics, Damping, Deflection, Deformation, Flow (Dynamics), Fluid-dynamic forces, Flutter (Aerodynamics), Friction, Limit cycles, Shapes
Journal Articles

The Effect of Inlet Swirl on Brush Seal Bristle Deflections and Stability

Yuxin Liu, John W. Chew, Michael J. Pekris, Xiaozhi Kong
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2020, 142(7): 071002.
Paper No: GTP-19-1420
https://doi.org/10.1115/1.4046696
Published Online: June 24, 2020
View Article titled, The Effect of Inlet Swirl on Brush Seal Bristle Deflections and Stability
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Topics: Aerodynamics, Computational fluid dynamics, Deflection, Flow (Dynamics), Fluid-dynamic forces, Geometry, Pressure, Stability, Design
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

Technology-Based Recontouring of Blade Integrated Disks After Weld Repair

Berend Denkena, Arne Mücke, Tim Schumacher, Demian Langen, Thomas Hassel
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2018, 140(12): 121015.
Paper No: GTP-18-1277
https://doi.org/10.1115/1.4040738
Published Online: November 20, 2018
View Article titled, Technology-Based Recontouring of Blade Integrated Disks After Weld Repair
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Topics: Blades, Cutting, Deflection, Disks, Gas tungsten arc welding, Machine tools, Maintenance, Milling, Stiffness, Welding
Journal Articles

Efficient Generation of Engine Representative Tip Timing Data Based on a Reduced Order Model for Bladed Rotors

Felix Figaschewsky, Benjamin Hanschke, Arnold Kühhorn
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2019, 141(1): 012503.
Paper No: GTP-18-1339
https://doi.org/10.1115/1.4040748
Published Online: November 14, 2018
View Article titled, Efficient Generation of Engine Representative Tip Timing Data Based on a Reduced Order Model for Bladed Rotors
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Topics: Blades, Deflection, Engines, Probes, Signals, Vibration, Rotors, Uncertainty, Errors, Simulation
Journal Articles

Numerical and Experimental Investigations on Preload Effects in Air Foil Journal Bearings

Marcel Mahner, Pu Li, Andreas Lehn, Bernhard Schweizer
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2018, 140(3): 032505.
Paper No: GTP-17-1376
https://doi.org/10.1115/1.4037965
Published Online: October 17, 2017
View Article titled, Numerical and Experimental Investigations on Preload Effects in Air Foil Journal Bearings
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Topics: Bearings, Journal bearings, Manufacturing, Stiffness, Deflection, Pressure
Journal Articles

Performance Measurements of Gas Bearings With High Damping Structures of Polymer and Bump Foil Via Electric Motor Driving Tests and One Degree-of-Freedom Shaker Dynamic Loading Tests

Kyuho Sim, Jisu Park
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2017, 139(9): 092504.
Paper No: GTP-17-1047
https://doi.org/10.1115/1.4036063
Published Online: April 11, 2017
View Article titled, Performance Measurements of Gas Bearings With High Damping Structures of Polymer and Bump Foil Via Electric Motor Driving Tests and One Degree-of-Freedom Shaker Dynamic Loading Tests
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Topics: Bearings, Clearances (Engineering), Damping, Dynamic testing (Materials), Electric motors, Polymers, Rotors, Stress, Stiffness, Friction
Journal Articles

Two-Dimensional Supersonic Thrust Vectoring Using Staggered Ramps

Carlos F. Montes, Roger L. Davis
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2017, 139(8): 082605.
Paper No: GTP-16-1489
https://doi.org/10.1115/1.4035848
Published Online: March 28, 2017
View Article titled, Two-Dimensional Supersonic Thrust Vectoring Using Staggered Ramps
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Topics: Flow (Dynamics), Nozzles, Thrust, Pressure, Deflection, Simulation, Mach number, Geometry, Engines
Journal Articles

Effect of Operating Conditions on the Elastohydrodynamic Performance of Foil Thrust Bearings for Supercritical CO 2 Cycles

Kan Qin, Ingo H. Jahn, Peter A. Jacobs
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2017, 139(4): 042505.
Paper No: GTP-16-1349
https://doi.org/10.1115/1.4034723
Published Online: November 8, 2016
View Article titled, Effect of Operating Conditions on the Elastohydrodynamic Performance of Foil Thrust Bearings for Supercritical CO 2 Cycles
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Topics: Bearings, Carbon dioxide, Cycles, Flow (Dynamics), Fluids, Pressure, Rotors, Simulation, Stress, Thrust bearings
Journal Articles

On the Relationship Between Journal Misalignment and Web Deflection in Crankshafts

J. Y. Jang, M. M. Khonsari
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2016, 138(12): 122501.
Paper No: GTP-15-1581
https://doi.org/10.1115/1.4033952
Published Online: July 19, 2016
View Article titled, On the Relationship Between Journal Misalignment and Web Deflection in Crankshafts
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Topics: Deflection, Bearings
Journal Articles

Experimental Identification of Force Coefficients of Large Hybrid Air Foil Bearings

Yu Ping Wang, Daejong Kim
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2014, 136(3): 032503.
Paper No: GTP-13-1324
https://doi.org/10.1115/1.4025891
Published Online: November 27, 2013
View Article titled, Experimental Identification of Force Coefficients of Large Hybrid Air Foil Bearings
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Topics: Bearings, Damping, Deflection, Foil bearings, Impulse (Physics), Pressure, Stiffness, Stress, Excitation, Rotors
Journal Articles

Simulation of Static Performance of Air Foil Bearings Using Coupled Finite Element and Computational Fluid Dynamics Techniques

Leonidas I. Paouris, Dimitrios A. Bompos, Pantelis G. Nikolakopoulos
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2014, 136(2): 022503.
Paper No: GTP-13-1292
https://doi.org/10.1115/1.4025537
Published Online: November 1, 2013
View Article titled, Simulation of Static Performance of Air Foil Bearings Using Coupled Finite Element and Computational Fluid Dynamics Techniques
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Topics: Bearings, Clearances (Engineering), Computational fluid dynamics, Finite element analysis, Fluid films, Fluids, Foil bearings, Geometry, Modeling, Pressure