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Proceedings Papers

Field Testing and Operation of a 300 kW Active Magnetic Bearing Supported Turboexpander-Generator for Natural Gas Pressure Letdown

Rasish Khatri, Larry Hawkins, Jeremy Liu, Massimiliano Ortiz Neri, Francesco Cangioli, Davide Biliotti
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, V08AT22A015, June 13–17, 2022
Paper No: GT2022-82332
https://doi.org/10.1115/GT2022-82332
View Paper titled, Field Testing and Operation of a 300 kW Active Magnetic Bearing Supported Turboexpander-Generator for Natural Gas Pressure Letdown
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Topics: Bearings, Generators, Joules, Magnetic bearings, Natural gas, Pressure, Testing
Proceedings Papers

Negative Centering Forces of Wet-Gas Hole-Pattern Seals at Low Excitation Frequencies

Min Zhang, Dara W. Childs
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, V08AT22A024, June 13–17, 2022
Paper No: GT2022-83504
https://doi.org/10.1115/GT2022-83504
View Paper titled, Negative Centering Forces of Wet-Gas Hole-Pattern Seals at Low Excitation Frequencies
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Topics: Excitation, Pressure, Stiffness, Compression, Damping, Dimensions, Flow (Dynamics), Leakage, Testing
Proceedings Papers

A Novel Low-Cost Approach to Testing High-Cycle Fatigue Limits

Luis Mendez Betances, Samer Armaly, Jeffrey L. Kauffman
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, V08AT24A009, June 13–17, 2022
Paper No: GT2022-82658
https://doi.org/10.1115/GT2022-82658
View Paper titled, A Novel Low-Cost Approach to Testing High-Cycle Fatigue Limits
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Topics: High cycle fatigue, Testing, Vibration, Cycles, Engines, Feedback, Motors, Cantilevers, Control equipment, Displacement
Proceedings Papers

Optimization of a Turbomachinery Blade With Regards to Tip-Rub Events

Marin de Cherisey, Loic Salles, Ludovic Renson, Alessandra Vizzaccaro, Chian Wong
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A013, June 13–17, 2022
Paper No: GT2022-82005
https://doi.org/10.1115/GT2022-82005
View Paper titled, Optimization of a Turbomachinery Blade With Regards to Tip-Rub Events
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Topics: Blades, Optimization, Turbomachinery, Clearances (Engineering), Engines, Shapes, Aircraft engines, Chords (Trusses), Compressors, Computer simulation
Proceedings Papers

Measured and Predicted Temperature Differentials Within a Rotor at a Tilting-Pad-Journal Bearing Associated With the Morton Effect

Chris D. Kulhanek, Seth Cunningham, Hector A. Delgado, Jeff Moore, Justin R. Hollingsworth
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT26A015, June 13–17, 2022
Paper No: GT2022-83237
https://doi.org/10.1115/GT2022-83237
View Paper titled, Measured and Predicted Temperature Differentials Within a Rotor at a Tilting-Pad-Journal Bearing Associated With the Morton Effect
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Topics: Bearings, Journal bearings, Rotors, Temperature, Vibration, Temperature measurement, Clearances (Engineering), Design, Resistance thermometers, Rotordynamics
Proceedings Papers

Mistuning and Damping of a Radial Turbine Wheel. Part 2: Implementation and Validation of Intentional Mistuning

Alex Nakos, Bernd Beirow, Arthur Zobel
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A006, June 13–17, 2022
Paper No: GT2022-80643
https://doi.org/10.1115/GT2022-80643
View Paper titled, Mistuning and Damping of a Radial Turbine Wheel. Part 2: Implementation and Validation of Intentional Mistuning
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Topics: Blades, Damping, Turbines, Vibration, Wheels, Design, Manufacturing, Accounting, Exhaust systems, Free vibrations
Proceedings Papers

Digital Replicas of Low Pressure Steam Turbine Moving Blades - Assessment of Geometrical and Mechanical Quality Requirements Using Roboter-Assisted Optical Scanning

Frederik Popig
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A005, June 13–17, 2022
Paper No: GT2022-80464
https://doi.org/10.1115/GT2022-80464
View Paper titled, Digital Replicas of Low Pressure Steam Turbine Moving Blades - Assessment of Geometrical and Mechanical Quality Requirements Using Roboter-Assisted Optical Scanning
Open the PDF for Digital Replicas of Low Pressure Steam Turbine Moving Blades - Assessment of Geometrical and Mechanical Quality Requirements Using Roboter-Assisted Optical Scanning in another window
Topics: Blades, Pressure, Steam turbines, Inspection, Center of mass, Airfoils, Computer-aided design, Geometry, Optical measurement, Resonance
Proceedings Papers

Modal Identification for Integrally Bladed Rotors Under Traveling Wave Excitation

Joseph A. Beck, Jeffrey M. Brown, Daniel L. Gillaugh, Alex A. Kaszynski
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A029, June 13–17, 2022
Paper No: GT2022-83204
https://doi.org/10.1115/GT2022-83204
View Paper titled, Modal Identification for Integrally Bladed Rotors Under Traveling Wave Excitation
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Topics: Excitation, Rotors, Traveling waves, Blades, Spectral energy distribution, Testing, Damping, Excitation systems, Fast Fourier transforms, Fittings
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

Experimental Modal Analysis of a Full-Scale Rotating Fan

Corentin Jorajuria, Claude Gibert, Fabrice Thouverez, Cécile Esteves
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A021, June 13–17, 2022
Paper No: GT2022-82540
https://doi.org/10.1115/GT2022-82540
View Paper titled, Experimental Modal Analysis of a Full-Scale Rotating Fan
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Topics: Modal analysis, Piezoelectric actuators, Testing, Vacuum, Excitation, Frequency response, Aeronautics, Composite materials, Damping, Density
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
Open the PDF for Design and Characterization of the OSU Rotor 67 Blisk for Future Damping and Mistuning Studies at Design Speed in another window
Topics: Damping, Design, Rotors, Airfoils, Disks, Gas turbines, Aviation, Dampers, Dynamics (Mechanics), Finite element model
Proceedings Papers

Near Critical Point Testing and Performance Results of a sCO2 Compressor for a 10MWe Brayton Cycle

Robert Pelton, Jon Bygrave, Karl Wygant, Jason Wilkes, Thomas Revak, Kilyoung Kim
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A032, June 13–17, 2022
Paper No: GT2022-83503
https://doi.org/10.1115/GT2022-83503
View Paper titled, Near Critical Point Testing and Performance Results of a sCO2 Compressor for a 10MWe Brayton Cycle
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Topics: Brayton cycle, Compressors, Cycles, Testing
Proceedings Papers

Mechanical Behaviour of Variable Nozzle Guide Vane Systems Based on Full-Scale Testing

Giuseppe Macoretta, Bernardo Disma Monelli, Paolo Neri, Federico Bucciarelli, Enrico Giusti, Damaso Checcacci, Gianfranco Maffulli
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A030, June 13–17, 2022
Paper No: GT2022-83241
https://doi.org/10.1115/GT2022-83241
View Paper titled, Mechanical Behaviour of Variable Nozzle Guide Vane Systems Based on Full-Scale Testing
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Topics: Finite element model, Friction, Mechanical behavior, Modal analysis, Nozzle guide vanes, Testing
Proceedings Papers

Experimental Investigation of Three-Dimensional Shroud Contact Forces in Forced-Vibration Testing of a Shrouded Blade

Rizwan Ahmed, Christian Maria Firrone, Stefano Zucca
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A037, June 13–17, 2022
Paper No: GT2022-84205
https://doi.org/10.1115/GT2022-84205
View Paper titled, Experimental Investigation of Three-Dimensional Shroud Contact Forces in Forced-Vibration Testing of a Shrouded Blade
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Topics: Blades, Damping, Force measurement, Friction, Testing, Vibration
Proceedings Papers

Leakage Characteristics of a Stepped Balance Piston Labyrinth Seal in Supercritical CO2

Jason Wilkes, Natalie R. Smith, Karl Wygant, Abhay Patil, Chris Kulhanek
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A023, June 13–17, 2022
Paper No: GT2022-83262
https://doi.org/10.1115/GT2022-83262
View Paper titled, Leakage Characteristics of a Stepped Balance Piston Labyrinth Seal in Supercritical CO2
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Topics: Leakage, Pistons, Supercritical carbon dioxide, Thrust, Aerodynamics, Clearances (Engineering), Compressors, Computational fluid dynamics, Fluid-dynamic forces, Pressure
Proceedings Papers

Design and Testing of a 275 Bar 700 Degree Celsius Expander for an Integrally Geared Supercritical CO2 Compander

Jason Wilkes, Kyle Robinson, Karl Wygant, Rob Pelton, Jonathan Bygrave
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A025, June 13–17, 2022
Paper No: GT2022-83284
https://doi.org/10.1115/GT2022-83284
View Paper titled, Design and Testing of a 275 Bar 700 Degree Celsius Expander for an Integrally Geared Supercritical CO2 Compander
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Topics: Design, Supercritical carbon dioxide, Testing, Compressors, Concentrating solar power, Creep, Fatigue, Gears, High pressure (Physics), High temperature
Proceedings Papers

An Experimental Test Case for Transonic Low-Pressure Turbines – Part I: Rig Design, Instrumentation and Experimental Methodology

Loris Simonassi, Gustavo Lopes, Samuel Gendebien, Antonino Federico Maria Torre, Marios Patinios, Sergio Lavagnoli, Nicolas Zeller, Ludovic Pintat
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A012, June 13–17, 2022
Paper No: GT2022-81566
https://doi.org/10.1115/GT2022-81566
View Paper titled, An Experimental Test Case for Transonic Low-Pressure Turbines – Part I: Rig Design, Instrumentation and Experimental Methodology
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Topics: Cascades (Fluid dynamics), Design, Instrumentation, Pressure, Turbines, Flow (Dynamics), Blades, Aerodynamics, Engines, Mach number
Proceedings Papers

Effect of Temperature and Velocity on Microparticle Erosion/Deposition Into Environmental-Barrier-Coated CMC for Aeroengines

Yoji Okita, Masaya Suzuki, Takashi Yamane, Jun Hasegawa, Yosuke Mizokami, Takeshi Nakamura
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT31A002, June 13–17, 2022
Paper No: GT2022-79366
https://doi.org/10.1115/GT2022-79366
View Paper titled, Effect of Temperature and Velocity on Microparticle Erosion/Deposition Into Environmental-Barrier-Coated CMC for Aeroengines
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Topics: Ceramic matrix composites, Erosion, Microparticles, Temperature, Damage, Design, Sands, Blasting, Coating processes, Coatings
Proceedings Papers

Detailed Design and Optimization of the First Stage of an Axial Supercritical CO 2 Compressor

Matthew Ha, Justin Holder, Saugat Ghimire, Adam Ringheisen, Mark G. Turner
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A036, June 13–17, 2022
Paper No: GT2022-82590
https://doi.org/10.1115/GT2022-82590
View Paper titled, Detailed Design and Optimization of the First Stage of an Axial Supercritical CO 2 Compressor
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Topics: Compressors, Design, Optimization, Supercritical carbon dioxide, Turbomachinery, Testing, Blades, Energy storage, Fluids, Manufacturing
Proceedings Papers

Machine-Learning Assisted Optimization of Generalized K-Omega (GEKO) Turbulence Model Parameters for Turbocharger Radial Compressor

Patrick Amstad, Kwok Kai So, Magnus Fischer
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT34A002, June 13–17, 2022
Paper No: GT2022-78306
https://doi.org/10.1115/GT2022-78306
View Paper titled, Machine-Learning Assisted Optimization of Generalized K-Omega (GEKO) Turbulence Model Parameters for Turbocharger Radial Compressor
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Topics: Compressors, Machine learning, Optimization, Turbochargers, Turbulence, Artificial neural networks, Diffusers, Errors, Flow (Dynamics), Pressure