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Journal Articles

Experimental Investigation on the Influence of Geometrical Parameters on the Frictional Heat Input and Leakage Performance of Brush Seals

Manuel Hildebrandt, Corina Schwitzke, Hans-Jörg Bauer
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2019, 141(4): 042504.
Paper No: GTP-17-1498
https://doi.org/10.1115/1.4038767
Published Online: February 27, 2019
View Article titled, Experimental Investigation on the Influence of Geometrical Parameters on the Frictional Heat Input and Leakage Performance of Brush Seals
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Topics: Heat, Leakage, Pressure, Rotors, Temperature
Journal Articles

Attempts on the Reduction of Leakage Flow Through the Stator Well in an Axial Compressor

Xiaozhi Kong, Yuxin Liu, Gaowen Liu, David M. Birch, Longxi Zheng
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2019, 141(8): 082501.
Paper No: GTP-18-1098
https://doi.org/10.1115/1.4042651
Published Online: February 11, 2019
View Article titled, Attempts on the Reduction of Leakage Flow Through the Stator Well in an Axial Compressor
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Topics: Cavities, Compressors, Flow (Dynamics), Geometry, Leakage flows, Rotors, Stators, Impellers, Pressure
Journal Articles

A Node-Dependent Kinematic Approach for Rotordynamics Problems

Matteo Filippi, Enrico Zappino, Erasmo Carrera
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2019, 141(6): 062501.
Paper No: GTP-17-1630
https://doi.org/10.1115/1.4042285
Published Online: January 8, 2019
View Article titled, A Node-Dependent Kinematic Approach for Rotordynamics Problems
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Topics: Kinematics, Rotors, Disks, Rotordynamics
Journal Articles

Reduced-Order Modeling of Bladed Disks Considering Small Mistuning of the Disk Sectors

Lukas Schwerdt, Sebastian Willeke, Lars Panning-von Scheidt, Jörg Wallaschek
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2019, 141(5): 052502.
Paper No: GTP-18-1393
https://doi.org/10.1115/1.4041071
Published Online: December 10, 2018
View Article titled, Reduced-Order Modeling of Bladed Disks Considering Small Mistuning of the Disk Sectors
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Topics: Blades, Disks
Journal Articles

An Extension of the Classical Subset of Nominal Modes Method for the Model Order Reduction of Gyroscopic Systems

Christian U. Waldherr, Damian M. Vogt
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2019, 141(5): 052501.
Paper No: GTP-18-1440
https://doi.org/10.1115/1.4041117
Published Online: December 7, 2018
View Article titled, An Extension of the Classical Subset of Nominal Modes Method for the Model Order Reduction of Gyroscopic Systems
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Topics: Blades, Boundary-value problems, Coriolis force, Modeling, Resonance, Compressors, Rotation, Errors, Displacement, Stiffness
Journal Articles

Rotational Speed-Dependent Contact Formulation for Nonlinear Blade Dynamics Prediction

Torsten Heinze, Lars Panning-von Scheidt, Jörg Wallaschek, Andreas Hartung
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2019, 141(4): 042503.
Paper No: GTP-18-1332
https://doi.org/10.1115/1.4040843
Published Online: December 5, 2018
View Article titled, Rotational Speed-Dependent Contact Formulation for Nonlinear Blade Dynamics Prediction
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Topics: Blades, Disks, Dynamics (Mechanics), Equations of motion, Frequency response, Friction, Interpolation, Stiffness, Errors, Computation
Journal Articles

Mistuning Identification Approach With Focus on High-Speed Centrifugal Compressors

Robby Weber, Arnold Kühhorn
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2019, 141(3): 032507.
Paper No: GTP-18-1286
https://doi.org/10.1115/1.4040999
Published Online: December 3, 2018
View Article titled, Mistuning Identification Approach With Focus on High-Speed Centrifugal Compressors
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Topics: Blades, Compressors, Vibration
Journal Articles

Criteria for Best Performance of Pre-Optimized Solid Dampers

Chiara Gastaldi, Muzio M. Gola
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2019, 141(4): 042502.
Paper No: GTP-18-1379
https://doi.org/10.1115/1.4040820
Published Online: November 16, 2018
View Article titled, Criteria for Best Performance of Pre-Optimized Solid Dampers
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Topics: Dampers, Blades
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

Clearance Effects on Rotordynamic Performance of a Long Smooth Seal With Two-Phase, Mainly-Air Mixtures

Min Zhang, Dara W. Childs, Dung L. Tran, Hari Shrestha
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2019, 141(1): 012502.
Paper No: GTP-17-1637
https://doi.org/10.1115/1.4040809
Published Online: October 29, 2018
View Article titled, Clearance Effects on Rotordynamic Performance of a Long Smooth Seal With Two-Phase, Mainly-Air Mixtures
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Topics: Clearances (Engineering), Compressors, Damping, Excitation, Flow (Dynamics), Fluids, Leakage, Performance, Rotors, Stators
Journal Articles

Leakage and Dynamic Force Coefficients for Two Labyrinth Gas Seals: Teeth-on-Stator and Interlocking Teeth Configurations. A Computational Fluid Dynamics Approach to Their Performance

Tingcheng Wu, Luis San Andrés
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2019, 141(4): 042501.
Paper No: GTP-18-1491
https://doi.org/10.1115/1.4041123
Published Online: October 29, 2018
View Article titled, Leakage and Dynamic Force Coefficients for Two Labyrinth Gas Seals: Teeth-on-Stator and Interlocking Teeth Configurations. A Computational Fluid Dynamics Approach to Their Performance
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Topics: Computational fluid dynamics, Damping, Flow (Dynamics), Pressure, Rotors, Stiffness, Leakage, Stators
Journal Articles

A Method to Analyze the Contact Stress of Dovetail Attachments in Aeroengine

Shuo Zhang, Xiuli Shen, Shaojing Dong, Ye Zhang, Wentong Hu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2019, 141(2): 022505.
Paper No: GTP-18-1163
https://doi.org/10.1115/1.4040684
Published Online: October 26, 2018
View Article titled, A Method to Analyze the Contact Stress of Dovetail Attachments in Aeroengine
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Topics: Displacement, Stress
Journal Articles

Effect of Circumferential Location of Radial Injection on Rotordynamic Performance of Hybrid Air Foil Bearings

Behzad Zamanian Yazdi, Daejong Kim
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2018, 140(12): 122504.
Paper No: GTP-18-1538
https://doi.org/10.1115/1.4041646
Published Online: October 23, 2018
View Article titled, Effect of Circumferential Location of Radial Injection on Rotordynamic Performance of Hybrid Air Foil Bearings
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Topics: Bearings, Foil bearings, Rotors, Damping, Simulation, Stiffness, Orifices, Stability, Vibration
Journal Articles

Hermetically Sealed Squeeze Film Damper for Operation in Oil-Free Environments

Bugra Ertas, Adolfo Delgado
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2019, 141(2): 022503.
Paper No: GTP-18-1421
https://doi.org/10.1115/1.4041520
Published Online: October 15, 2018
View Article titled, Hermetically Sealed Squeeze Film Damper for Operation in Oil-Free Environments
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Topics: Dampers, Damping, Cavities, Fluids, Stiffness, Vibration
Journal Articles

Compliant Hybrid Gas Bearing Using Modular Hermetically Sealed Squeeze Film Dampers

Bugra Ertas, Adolfo Delgado
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2019, 141(2): 022504.
Paper No: GTP-18-1422
https://doi.org/10.1115/1.4041310
Published Online: October 15, 2018
View Article titled, Compliant Hybrid Gas Bearing Using Modular Hermetically Sealed Squeeze Film Dampers
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Topics: Bearings, Dampers, Damping, Gas bearings, Flow (Dynamics), Stress, Stiffness
Journal Articles

Surrogate Modeling of Manufacturing Variation Effects on Unsteady Interactions in a Transonic Turbine

Jeffrey M. Brown, Joseph Beck, Alexander Kaszynski, John Clark
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2019, 141(3): 032506.
Paper No: GTP-18-1537
https://doi.org/10.1115/1.4041314
Published Online: October 11, 2018
View Article titled, Surrogate Modeling of Manufacturing Variation Effects on Unsteady Interactions in a Transonic Turbine
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Topics: Airfoils, Geometry, Modeling, Pressure, Turbines, Manufacturing, Blades, Design
Journal Articles

A Mistuned Forced Response Analysis of an Embedded Compressor Blisk Using a Reduced-Order Model

Mauricio Gutierrez Salas, Paul Petrie-Repar, Robert E. Kielb, Nicole L. Key
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2019, 141(3): 032505.
Paper No: GTP-18-1536
https://doi.org/10.1115/1.4041280
Published Online: October 11, 2018
View Article titled, A Mistuned Forced Response Analysis of an Embedded Compressor Blisk Using a Reduced-Order Model
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Topics: Blades, Compressors, Rotors, Stators, Disks, Resonance, Finite element model, Uncertainty, Simulation
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

Leakage and Rotordynamic Force Coefficients of A Three-Wave (Air in Oil) Wet Annular Seal: Measurements and Predictions

Xueliang Lu, Luis San Andrés
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2019, 141(3): 032503.
Paper No: GTP-18-1530
https://doi.org/10.1115/1.4041270
Published Online: October 4, 2018
View Article titled, Leakage and Rotordynamic Force Coefficients of A Three-Wave (Air in Oil) Wet Annular Seal: Measurements and Predictions
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Topics: Clearances (Engineering), Flow (Dynamics), Waves, Leakage, Pressure, Stiffness, Damping
Journal Articles

Numerical Investigation on the Leakage and Rotordynamic Characteristics for Three Types of Annular Gas Seals in Wet Gas Conditions

Zhigang Li, Zhi Fang, Jun Li
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2019, 141(3): 032504.
Paper No: GTP-18-1535
https://doi.org/10.1115/1.4041313
Published Online: October 4, 2018
View Article titled, Numerical Investigation on the Leakage and Rotordynamic Characteristics for Three Types of Annular Gas Seals in Wet Gas Conditions
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Topics: Compressors, Computational fluid dynamics, Dampers, Damping, Fluids, Leakage, Leakage flows, Oscillating frequencies, Pressure, Rotors