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Proceedings Papers

Loss Breakdown in Axial Turbines: A New Method for Vortex Loss and Wake Detection From 3D RANS Simulations

Greta Raina, Yannick Bousquet, David Luquet, Eric Lippinois, Nicolas Binder
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT32A003, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121181
https://doi.org/10.1115/GT2024-121181
View Paper titled, Loss Breakdown in Axial Turbines: A New Method for Vortex Loss and Wake Detection From 3D RANS Simulations
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Topics: Engineering simulation, Reynolds-averaged Navier–Stokes equations, Simulation, Turbines, Vortices, Wakes, Flow (Dynamics), Entropy, Nozzle guide vanes, Boundary layers
Proceedings Papers

LES Modeling of High-Lift High-Work LP Turbine Profiles: Part I: Approach

Michael Ni, Ron-Ho Ni, John P. Clark
Proc. ASME. GT2023, Volume 13B: Turbomachinery — Axial Flow Turbine Aerodynamics, V13BT30A019, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102625
https://doi.org/10.1115/GT2023-102625
View Paper titled, LES Modeling of High-Lift High-Work LP Turbine Profiles: Part I: Approach
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Topics: Modeling, Turbines, Reynolds number, Design, Flow (Dynamics), Turbulence, Engineering simulation, Physics, Pressure, Simulation
Proceedings Papers

A Probabilistic Method for Predicting Particle-Blade Impact Kinematics in Turbomachinery

D. Klaoudatos, N. Bojdo, A. Filippone, S. Covey-Crump, M. Jones, A. Pawley
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT31A006, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80389
https://doi.org/10.1115/GT2022-80389
View Paper titled, A Probabilistic Method for Predicting Particle-Blade Impact Kinematics in Turbomachinery
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Topics: Blades, Kinematics, Particulate matter, Turbomachinery, Compressors, Particle collisions, Rotors, Kinetic energy, Probability, Chords (Trusses)
Proceedings Papers

An Experimental Investigation on the Dynamic Response Variability of a Turbine Blade With Mid-Span Dampers

Erhan Ferhatoglu, Daniele Botto, Stefano Zucca
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A004, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-79980
https://doi.org/10.1115/GT2022-79980
View Paper titled, An Experimental Investigation on the Dynamic Response Variability of a Turbine Blade With Mid-Span Dampers
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Topics: Dampers, Dynamic response, Friction, Turbine blades, Blades, Cycles, Design, Kinematics, Performance, Uncertainty quantification
Proceedings Papers

A Kinematic Study of Individual Rotating Detonation Engine Waves Using K-means Algorithm

Taha Rezzag, Robert Burke, Kareem Ahmed
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A019, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58814
https://doi.org/10.1115/GT2021-58814
View Paper titled, A Kinematic Study of Individual Rotating Detonation Engine Waves Using K-means Algorithm
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Topics: Algorithms, Engines, Explosions, Kinematics, Waves
Proceedings Papers

Hot-Wire Measurements in Non-Calibrated Conditions

Yuexin Wang, Tao Guo, Huiren Zhu
Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T05A007, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59259
https://doi.org/10.1115/GT2021-59259
View Paper titled, Hot-Wire Measurements in Non-Calibrated Conditions
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Topics: Wire, Calibration, Forced convection, Pressure, Temperature, Errors, Flow (Dynamics), Heat transfer, Accuracy and precision, Computer simulation
Proceedings Papers

Crystal Visco-Plastic Model for Directionally Solidified Ni-Base Superalloys Under Monotonic and Low Cycle Fatigue

Navindra Wijeyeratne, Firat Irmak, Ali P. Gordon
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT26A008, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59581
https://doi.org/10.1115/GT2021-59581
View Paper titled, Crystal Visco-Plastic Model for Directionally Solidified Ni-Base Superalloys Under Monotonic and Low Cycle Fatigue
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Topics: Crystals, Low cycle fatigue, Modeling, Superalloys, Grain boundaries, Temperature, Anisotropy, Constitutive equations, Deformation, Gas turbines
Proceedings Papers

New Modeling Combining Kinematic and Stiffness Nonlinearity in Under Platform Dampers

Ryuichi Umehara, Sotaro Takei, Tomohiro Akaki, Hiroki Kitada
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A004, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58445
https://doi.org/10.1115/GT2021-58445
View Paper titled, New Modeling Combining Kinematic and Stiffness Nonlinearity in Under Platform Dampers
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Topics: Dampers, Friction, Kinematics, Modeling, Stiffness, Turbine blades
Proceedings Papers

Periodic Unsteady Kinematics of Hub Flows in a Shrouded Multistage Compressor

Jaehyoung Lee, Sungkyung Lim, Hyoun-Woo Shin, Sungryong Lee, Seung Jin Song
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A005, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58551
https://doi.org/10.1115/GT2021-58551
View Paper titled, Periodic Unsteady Kinematics of Hub Flows in a Shrouded Multistage Compressor
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Topics: Compressors, Corners (Structural elements), Flow (Dynamics), Kinematics, Separation (Technology), Wakes
Proceedings Papers

Experimental Investigation on the Effect of Varying Purge Flow in a Newly Commissioned Single Stage Turbine Test Facility

Daniel Payne, Vasudevan Kanjirakkad
Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT14A016, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14975
https://doi.org/10.1115/GT2020-14975
View Paper titled, Experimental Investigation on the Effect of Varying Purge Flow in a Newly Commissioned Single Stage Turbine Test Facility
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Topics: Flow (Dynamics), Test facilities, Turbines, Cavities, Annulus, Rotors, Air flow, Disks, Engines, Reynolds number
Proceedings Papers

A Life Prediction Model for Single-Crystal Nickel-Base Alloys Under Low-Cycle Fatigue

Firat Irmak, Navindra Wijeyeratne, Taejun Yun, Ali Gordon
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT27A005, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14250
https://doi.org/10.1115/GT2020-14250
View Paper titled, A Life Prediction Model for Single-Crystal Nickel-Base Alloys Under Low-Cycle Fatigue
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Topics: Alloys, Crystals, Low cycle fatigue, Nickel, Creep, Damage, Fatigue, Superalloys, Blades, Deformation
Proceedings Papers

Crystal Visco-Plastic Model for Ni-Base Superalloys Under Thermomechanical Fatigue

Navindra Wijeyeratne, Firat Irmak, Ali P. Gordon, Jun-Young Jeon
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT27A003, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14163
https://doi.org/10.1115/GT2020-14163
View Paper titled, Crystal Visco-Plastic Model for Ni-Base Superalloys Under Thermomechanical Fatigue
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Topics: Anisotropy, Crystals, Fatigue, Modeling, Superalloys, Thermomechanics, Temperature, Stress, Hardening, Simulation
Proceedings Papers

Modeling Complex Contact Conditions and Their Effect on Blade Dynamics

Chiara Gastaldi, Johann Gross, Maren Scheel, Teresa M. Berruti, Malte Krack
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A011, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14630
https://doi.org/10.1115/GT2020-14630
View Paper titled, Modeling Complex Contact Conditions and Their Effect on Blade Dynamics
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Topics: Blades, Dynamics (Mechanics), Modeling, Dampers, Disks, Friction, Pressure, Springs, Coulombs, Design
Proceedings Papers

On the Efficiency of a Conical Under-Platform Damper for Turbines

E. Denimal, C. Wong, L. Salles, L. Pesaresi
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A012, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14642
https://doi.org/10.1115/GT2020-14642
View Paper titled, On the Efficiency of a Conical Under-Platform Damper for Turbines
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Topics: Dampers, Turbines, Blades, Damping, Geometry, Kinematics, Wedges, Aircraft engines, Dry friction, Dynamic analysis
Proceedings Papers

A Multi-Dimensional Extension of Balje Chart for Axial Flow Turbomachinery Using Artificial Intelligence Based Meta-Models

Gino Angelini, Alessandro Corsini, Giovanni Delibra, Lorenzo Tieghi
Proc. ASME. GT2019, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Honors and Awards, V001T09A009, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91588
https://doi.org/10.1115/GT2019-91588
View Paper titled, A Multi-Dimensional Extension of Balje Chart for Axial Flow Turbomachinery Using Artificial Intelligence Based Meta-Models
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Topics: Artificial intelligence, Axial flow, Blades, Computer software, Design, Kinematics, Machine learning, Principal component analysis, Rotors, Turbomachinery
Proceedings Papers

A Crystal Visco-Plastic Model for Ni-Base Superalloys Under Low Cycle Fatigue

Navindra Wijeyeratne, Firat Irmak, Grant Geiger, Jun-Young Jeon, Ali Gordon
Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT31A019, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91903
https://doi.org/10.1115/GT2019-91903
View Paper titled, A Crystal Visco-Plastic Model for Ni-Base Superalloys Under Low Cycle Fatigue
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Topics: Crystals, Low cycle fatigue, Superalloys, Gas turbines, Matlab, Stress, Anisotropy, Blades, Constitutive equations, Deformation
Proceedings Papers

Design Tools to the Best Coupling of Dry-Friction Solid Underplatform Dampers to Turbine Blades

Chiara Gastaldi, Muzio M. Gola
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT35A014, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91040
https://doi.org/10.1115/GT2019-91040
View Paper titled, Design Tools to the Best Coupling of Dry-Friction Solid Underplatform Dampers to Turbine Blades
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Topics: Dampers, Design, Dry friction, Turbine blades, Blades, Centrifugal force, Damping, Dynamic analysis, Excitation, Filters
Proceedings Papers

Constitutive Modeling of TMF and Creep-Fatigue of a Ni-Base Alloy

Nathan O’Nora, Thomas Bouchenot, Grant Geiger, Ali P. Gordon
Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT31A016, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91695
https://doi.org/10.1115/GT2019-91695
View Paper titled, Constitutive Modeling of TMF and Creep-Fatigue of a Ni-Base Alloy
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Topics: Alloys, Creep, Fatigue, Modeling, Hardening, Stress, Fittings, High temperature, Kinematics, Engineering simulation
Proceedings Papers

Advances in High-Speed Linear Design Technology: Novel Approach to Sidewall Geometry Design for Erosion Tests

Maksim Sokolov, Max Lorenz, Mirco Rostamian, Christian Koch, Matthias Weissschuh, Stephan Staudacher
Proc. ASME. GT2019, Volume 2A: Turbomachinery, V02AT39A015, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90743
https://doi.org/10.1115/GT2019-90743
View Paper titled, Advances in High-Speed Linear Design Technology: Novel Approach to Sidewall Geometry Design for Erosion Tests
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Topics: Design, Erosion, Geometry, Flow (Dynamics), Testing, Cascades (Fluid dynamics), Blades, Sealing (Process), Boundary layers, Compressors
Proceedings Papers

Experimental Investigation of the Discharge Behavior of Cavitating and Non-Cavitating Flow Through Rotating Radial Orifices

Laura Cordes, Corina Schwitzke, Hans-Jörg Bauer
Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT42A001, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90213
https://doi.org/10.1115/GT2019-90213
View Paper titled, Experimental Investigation of the Discharge Behavior of Cavitating and Non-Cavitating Flow Through Rotating Radial Orifices
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Topics: Flow (Dynamics), Orifices, Cavitation, Discharge coefficient, Density, Ducts, Kinematics, Reynolds number, Rotors, Viscosity