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Proceedings Papers

Investigation of Self-Heating During Ultrasonic Fatigue Testing and Effect on Very High Cycle Fatigue Behavior of Titanium 6Al-4V

Dino A. Celli, Justin Warner, Onome Scott-Emuakpor, Tommy George
Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT24A010, June 13–17, 2022
Paper No: GT2022-83443
https://doi.org/10.1115/GT2022-83443
View Paper titled, Investigation of Self-Heating During Ultrasonic Fatigue Testing and Effect on Very High Cycle Fatigue Behavior of Titanium 6Al-4V
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Topics: Fatigue testing, Heating, High cycle fatigue, Titanium, Cycles, Fatigue, Fatigue life, Heat, Gas turbines, Cooling
Proceedings Papers

Stability of a Rotor Partially-Filled With Fluid: Test Facility and Experimental Results

Marie Kasprzyk, John Sentmanat, Adolfo Delgado
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT26A008, June 13–17, 2022
Paper No: GT2022-82200
https://doi.org/10.1115/GT2022-82200
View Paper titled, Stability of a Rotor Partially-Filled With Fluid: Test Facility and Experimental Results
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Topics: Fluids, Rotors, Stability, Test facilities, Vibration, Damping, Bearings, Dampers, Excitation, Gas turbines
Proceedings Papers

Application of Machine Learning to Forced Response Predictions of an Industrial Axial Compressor Rotor Blade

Giuseppe Bruni, Senthil Krishnababu, Simon Jackson
Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT21A019, June 13–17, 2022
Paper No: GT2022-82427
https://doi.org/10.1115/GT2022-82427
View Paper titled, Application of Machine Learning to Forced Response Predictions of an Industrial Axial Compressor Rotor Blade
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Topics: Blades, Compressors, Machine learning, Rotors, Design, Artificial neural networks, Computational fluid dynamics, Algorithms, Cycles, Damping
Proceedings Papers

Finite Element Analysis of Bent Rotors

Konrad Juethner, Ted Rose, J. S. Kumar, Jianming Cao, Gregory M. Savela, Chris J. Zuck, Parag H. Mathuria
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT26A003, June 13–17, 2022
Paper No: GT2022-79752
https://doi.org/10.1115/GT2022-79752
View Paper titled, Finite Element Analysis of Bent Rotors
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Topics: Finite element analysis, Rotors, Bearings, Excitation, Finite element methods, Manufacturing, Metrology, Rotor assembly, Stress, Cooling
Proceedings Papers

Gas Turbine Rotor Damper Lift-Off Study

S. Manoharan, S. Abhimanyu, S. Babu, Leonardo Tognarelli, Guido Peano
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A028, June 13–17, 2022
Paper No: GT2022-82960
https://doi.org/10.1115/GT2022-82960
View Paper titled, Gas Turbine Rotor Damper Lift-Off Study
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Topics: Dampers, Damping, Gas turbines, Rotors
Proceedings Papers

Probabilistic Assessment of Gas Turbine Compressor Blade HCF Life

Zhiqiang Meng, Senthil Krishnababu, Simon Jackson, Björn Sjödin
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT25A005, June 13–17, 2022
Paper No: GT2022-82323
https://doi.org/10.1115/GT2022-82323
View Paper titled, Probabilistic Assessment of Gas Turbine Compressor Blade HCF Life
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Topics: Blades, Compressors, Design, Gas turbines, High cycle fatigue
Proceedings Papers

Experimental Determination of Blade Tip Rub Forces in a Multi-Blade System

Robin Reifsnyder, Chris Keener, Randall Mathison, Kiran D’Souza
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A032, June 13–17, 2022
Paper No: GT2022-83344
https://doi.org/10.1115/GT2022-83344
View Paper titled, Experimental Determination of Blade Tip Rub Forces in a Multi-Blade System
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Topics: Blades, Stress, Frequency response, Gas turbines, Physics, Rotating blades, Shaft angle encoders, Turbomachinery
Proceedings Papers

A Probabilistic Model for Forging Flaw Crack Nucleation Processes for Heavy Duty Gas Turbine Rotor Operations

Francesco Radaelli, Christian Amann, Ali Aydin, Igor Varfolomeev, Peter Gumbsch, Kai Kadau
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT25A004, June 13–17, 2022
Paper No: GT2022-82303
https://doi.org/10.1115/GT2022-82303
View Paper titled, A Probabilistic Model for Forging Flaw Crack Nucleation Processes for Heavy Duty Gas Turbine Rotor Operations
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Topics: Forging, Fracture (Materials), Gas turbines, Nucleation (Physics), Rotors
Proceedings Papers

A Probabilistic Framework for Minimum Low Cycle Fatigue Life Prediction

Michael P. Enright, Jonathan P. Moody, Yasin Zaman, James C. Sobotka, R. Craig McClung
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT25A001, June 13–17, 2022
Paper No: GT2022-80220
https://doi.org/10.1115/GT2022-80220
View Paper titled, A Probabilistic Framework for Minimum Low Cycle Fatigue Life Prediction
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Topics: Low cycle fatigue, Damage, Fatigue, Fracture (Materials), Gas turbines, Photodynamic therapy, Aircraft, Cycles, Density, Probability
Proceedings Papers

Design and Characterization of the OSU Rotor 67 Blisk for Future Damping and Mistuning Studies at Design Speed

Chris Keener, Kiran D’Souza
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A023, June 13–17, 2022
Paper No: GT2022-82717
https://doi.org/10.1115/GT2022-82717
View Paper titled, Design and Characterization of the OSU Rotor 67 Blisk for Future Damping and Mistuning Studies at Design Speed
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Topics: Damping, Design, Rotors, Airfoils, Disks, Gas turbines, Aviation, Dampers, Dynamics (Mechanics), Finite element model
Proceedings Papers

Specific Speed Considerations for Inward Flow Radial Supercritical CO 2 Turbines

Syed J. Hoque, Pramod Kumar, Pramod Chandra Gopi
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A011, June 13–17, 2022
Paper No: GT2022-82090
https://doi.org/10.1115/GT2022-82090
View Paper titled, Specific Speed Considerations for Inward Flow Radial Supercritical CO 2 Turbines
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Topics: Coriolis force, Design, Flow (Dynamics), Supercritical carbon dioxide, Turbines, Gas turbines, Blades, Rotors, Boundary-value problems, Computational fluid dynamics
Proceedings Papers

Investigation of Gas Turbine Internal Cooling Using Supercritical CO2 – Effect of Surface Roughness and Channel Aspect Ratio

Arnab Roy, Matthew Searle, Sridharan Ramesh, Douglas Straub
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A026, June 13–17, 2022
Paper No: GT2022-83319
https://doi.org/10.1115/GT2022-83319
View Paper titled, Investigation of Gas Turbine Internal Cooling Using Supercritical CO2 – Effect of Surface Roughness and Channel Aspect Ratio
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Topics: Cooling, Gas turbines, Supercritical carbon dioxide, Surface roughness, Reynolds number, Additive manufacturing, Computational fluid dynamics, Heat transfer, Flow (Dynamics), Fluids
Proceedings Papers

Design of a 1MW Direct-Fired Oxy Combustor for sCO 2 Power Cycles

Steve White, Grey Berry, Brian Connolly
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A007, June 13–17, 2022
Paper No: GT2022-81747
https://doi.org/10.1115/GT2022-81747
View Paper titled, Design of a 1MW Direct-Fired Oxy Combustor for sCO 2 Power Cycles
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Topics: Combustion chambers, Design, Thermodynamic power cycles, Temperature, Carbon dioxide, Combustion, Cycles, Emissions, Engineering simulation, Fossil fuels
Proceedings Papers

PDA Laser Measurements of Droplet-Laden Flows in a Four Stage Axial Compressor

Tobias Doerr, Sebastian Schuster, Dieter Brillert
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A007, June 13–17, 2022
Paper No: GT2022-80284
https://doi.org/10.1115/GT2022-80284
View Paper titled, PDA Laser Measurements of Droplet-Laden Flows in a Four Stage Axial Compressor
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Topics: Compressors, Drops, Flow (Dynamics), Lasers, Laser beams, Liquid films, Air flow, Aircraft engines, Blades, Boundary layers
Proceedings Papers

Investigation of the Impact of Realistic Inlet Distortions on a 1.5-Stage Transonic Compressor

Jan Werner, Maximilian Karl, Silas Mütschard, Heinz-Peter Schiffer, Christoph Biela, Sebastian Robens
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A015, June 13–17, 2022
Paper No: GT2022-81678
https://doi.org/10.1115/GT2022-81678
View Paper titled, Investigation of the Impact of Realistic Inlet Distortions on a 1.5-Stage Transonic Compressor
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Topics: Compressors, Gas turbines, Inflow, Instrumentation, Intake manifolds, Measurement systems, Rotors, Bearings, Design, Flow (Dynamics)
Proceedings Papers

Tip Flow Control in Optimized Large Gas Turbine Compressor Blading

Katja Hummel, Anton Streit, Dieter Peitsch
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A040, June 13–17, 2022
Paper No: GT2022-83374
https://doi.org/10.1115/GT2022-83374
View Paper titled, Tip Flow Control in Optimized Large Gas Turbine Compressor Blading
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Topics: Compressors, Flow control, Gas turbines
Proceedings Papers

Investigation of Tip Leakage Vortex Breakdown in a High-Speed Multistage Axial Compressor

Ryosuke Seki, Toshihiko Azuma, Junji Iwatani, Akihiro Nakaniwa, Hidetaka Okui, Takanori Shibata
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A001, June 13–17, 2022
Paper No: GT2022-77977
https://doi.org/10.1115/GT2022-77977
View Paper titled, Investigation of Tip Leakage Vortex Breakdown in a High-Speed Multistage Axial Compressor
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Topics: Compressors, Gas turbines, Leakage, Surges, Vortices
Proceedings Papers

Particle Deposition on HPT Nozzle: Full 3D Investigation and Secondary Flows Effect

Nicola Casari, Stefano Oliani, Michele Pinelli, Alessio Suman, Mauro Carnevale
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT31A010, June 13–17, 2022
Paper No: GT2022-81715
https://doi.org/10.1115/GT2022-81715
View Paper titled, Particle Deposition on HPT Nozzle: Full 3D Investigation and Secondary Flows Effect
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Topics: Flow (Dynamics), Nozzles, Particulate matter, Simulation, Adhesion, Extruding, Gas turbines, Geometry, High pressure (Physics), Machinery
Proceedings Papers

Predicting and Validating Spatial Distributions of Particulate Deposition in Gas Turbine Components

Jack G. Gaskell, Nikul Vadgama, Florian Y. A. Villain, Simon Beal, Matthew McGilvray, David R. H. Gillespie, Benjamin Littley
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT31A004, June 13–17, 2022
Paper No: GT2022-79511
https://doi.org/10.1115/GT2022-79511
View Paper titled, Predicting and Validating Spatial Distributions of Particulate Deposition in Gas Turbine Components
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Topics: Gas turbines, Particulate matter, Computational fluid dynamics, Modeling, Discrete element methods, Turbulence, Cooling, Collisions (Physics), Computer software, Damage
Proceedings Papers

Approximating Gas Turbine Combustor Exit Temperature Distribution Factors Using Spatially Under-Sampled Measurements

Fangyuan Lou
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A013, June 13–17, 2022
Paper No: GT2022-81623
https://doi.org/10.1115/GT2022-81623
View Paper titled, Approximating Gas Turbine Combustor Exit Temperature Distribution Factors Using Spatially Under-Sampled Measurements
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Topics: Approximation, Combustion chambers, Gas turbines, Temperature distribution, Wavelets