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Proceedings Papers

Understanding the Role of Attractive Forces in Additively Manufactured Parts With Internal Particle Dampers

Daniel Kiracofe, Daniel Diaz, Matthew Postell, Dino Celli, John Hollkamp, Lorean Napper, Onome Scott-Emuakpor, Tommy George, Jr.
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 11B: Structures and Dynamics — Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V11BT23A002, June 26–30, 2023
Paper No: GT2023-102685
https://doi.org/10.1115/GT2023-102685
View Paper titled, Understanding the Role of Attractive Forces in Additively Manufactured Parts With Internal Particle Dampers
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Topics: Additive manufacturing, Dampers, Particulate matter, Excitation, Damping, Modeling, Weight (Mass), Aerospace industry, Design, Distributed power generation
Proceedings Papers

Rework and Repair Options for Steam Turbine Components Subject to Flexible Operation

Frank Biesinger, Huascar Lorini, Ritesh Shah
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 10: Steam Turbine, V010T20A013, June 26–30, 2023
Paper No: GT2023-102664
https://doi.org/10.1115/GT2023-102664
View Paper titled, Rework and Repair Options for Steam Turbine Components Subject to Flexible Operation
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Topics: Maintenance, Steam turbines, Stress, Creep, Damage, Energy industry, Energy resources, Engineering simulation, Fracture (Materials), High cycle fatigue
Proceedings Papers

On the Influence of Bearing Modeling Details on the Dynamical System Effects of a Mid-Size Turbocharger Rotor

Arthur Zobel, Christopher Fuhrer, Damian M. Vogt, Alex Nakos, Bernd Beirow, Alexander Blessing, Carolin Zippack
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A010, June 26–30, 2023
Paper No: GT2023-102098
https://doi.org/10.1115/GT2023-102098
View Paper titled, On the Influence of Bearing Modeling Details on the Dynamical System Effects of a Mid-Size Turbocharger Rotor
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Topics: Bearings, Dynamic systems, Modeling, Rotors, Turbochargers, Compressors, Turbines, Wheels, Damping, Excitation
Proceedings Papers

Surrogate Models for 3D Finite Element Creep Analysis Acceleration

Jason Abdallah, Stefan Depeweg, Maria Kuznetsova, Behnam Nouri
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT34A002, June 26–30, 2023
Paper No: GT2023-100746
https://doi.org/10.1115/GT2023-100746
View Paper titled, Surrogate Models for 3D Finite Element Creep Analysis Acceleration
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Topics: Creep, Finite element analysis, High cycle fatigue
Proceedings Papers

Multi-Objective Numerical Optimization of Radial Turbines

Christopher Fuhrer, Nikola Kovachev, Damian M. Vogt, Ganesh Raja Mahalingam, Stuart Mann
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT34A022, June 26–30, 2023
Paper No: GT2023-103918
https://doi.org/10.1115/GT2023-103918
View Paper titled, Multi-Objective Numerical Optimization of Radial Turbines
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Topics: Optimization, Turbines, Design, Geometry, Durability, Inertia (Mechanics), Computational fluid dynamics, Engineering disciplines, Engineering simulation, Finite element analysis
Proceedings Papers

Numerical Investigation of Unsteady Inlet Guide Vane-Rotor Interactions in a Transonic Fan Due to Boundary Layer Ingestion

Ritangshu Giri, Mark G. Turner
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A017, June 13–17, 2022
Paper No: GT2022-81878
https://doi.org/10.1115/GT2022-81878
View Paper titled, Numerical Investigation of Unsteady Inlet Guide Vane-Rotor Interactions in a Transonic Fan Due to Boundary Layer Ingestion
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Topics: Boundary layers, Rotors, Inlet guide vanes, Blades, High cycle fatigue, Pressure, Shock (Mechanics), Shock waves, Vortices, Wakes
Proceedings Papers

Assessment of Low Engine Order Excitation of a Contaminated Turbocharger Radial Turbine Stage Using a Nozzle Ring Only Computational Model

Michaela R. Beierl, Damian M. Vogt, Magnus Fischer, Tobias R. Müller, Kwok Kai So
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A013, June 13–17, 2022
Paper No: GT2022-82452
https://doi.org/10.1115/GT2022-82452
View Paper titled, Assessment of Low Engine Order Excitation of a Contaminated Turbocharger Radial Turbine Stage Using a Nozzle Ring Only Computational Model
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Topics: Computer simulation, Engines, Excitation, Nozzles, Turbines, Turbochargers, High cycle fatigue, Blades, Combustion, Contamination
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

Study on Blade Vibration Alleviation in a Nozzleless Radial Turbine via Casing Treatment

Lei Pan, Mingyang Yang, Shota Murae, Wataru Sato, Naoto Shimohara, Akihiro Yamagata
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, V08AT21A017, June 13–17, 2022
Paper No: GT2022-82368
https://doi.org/10.1115/GT2022-82368
View Paper titled, Study on Blade Vibration Alleviation in a Nozzleless Radial Turbine via Casing Treatment
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Topics: Blades, High cycle fatigue, Turbines, Vibration
Proceedings Papers

Short-Time Creep Deformation of the Coarse-Grained Nickel-Base Alloy 247 and Its Implications on the High-Cycle Fatigue Behavior

Oliver Jordan, Philipp Lion, Tilmann Beck
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, V08AT24A006, June 13–17, 2022
Paper No: GT2022-81676
https://doi.org/10.1115/GT2022-81676
View Paper titled, Short-Time Creep Deformation of the Coarse-Grained Nickel-Base Alloy 247 and Its Implications on the High-Cycle Fatigue Behavior
Open the PDF for Short-Time Creep Deformation of the Coarse-Grained Nickel-Base Alloy 247 and Its Implications on the High-Cycle Fatigue Behavior in another window
Topics: Alloys, Creep, Fatigue, High cycle fatigue, Nickel
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

Numerical Investigation on HCF Weak Link Locations of a Wide-Chord Laminated Composite Fan Blade With Coupled Modal Vibrations

Xu Tang, Yong Chen, Jiguo Zhang
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A036, June 13–17, 2022
Paper No: GT2022-83613
https://doi.org/10.1115/GT2022-83613
View Paper titled, Numerical Investigation on HCF Weak Link Locations of a Wide-Chord Laminated Composite Fan Blade With Coupled Modal Vibrations
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Topics: Blades, Chords (Trusses), Composite materials, High cycle fatigue, Vibration
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

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

Refinement of a High Cycle Fatigue Decision-Gate Assessment for Additively Repaired Blades

Onome Scott-Emuakpor, Brian Runyon, Daniel Gillaugh, Lucas Smith, Philip Johnson
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T17A024, June 13–17, 2022
Paper No: GT2022-83282
https://doi.org/10.1115/GT2022-83282
View Paper titled, Refinement of a High Cycle Fatigue Decision-Gate Assessment for Additively Repaired Blades
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Topics: Blades, Gas turbines, Gates (Closures), High cycle fatigue, Maintenance, Nondestructive evaluation, Titanium, Acceptance criteria, Lasers, Additive manufacturing
Proceedings Papers

Establishing a Generic Stress-Life Framework for Single-Crystal Nickel-Base Superalloys

Firat Irmak, Sahil Karim, Nathan O’Nora, Ali P. Gordon
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T17A023, June 13–17, 2022
Paper No: GT2022-83276
https://doi.org/10.1115/GT2022-83276
View Paper titled, Establishing a Generic Stress-Life Framework for Single-Crystal Nickel-Base Superalloys
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Topics: Crystals, Nickel, Stress, Superalloys, Creep, Temperature, Alloys, Damage, Fatigue, Cycles
Proceedings Papers

Characterization of Properties of Laser Powder Bed Fusion 3D-Printed Inconel 718 for Centrifugal Turbomachinery Applications

Hannah G. Lea, Rochelle S. Wooding, Sam Kuhr, John Rotella, José Luis Córdova
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T17A026, June 13–17, 2022
Paper No: GT2022-83474
https://doi.org/10.1115/GT2022-83474
View Paper titled, Characterization of Properties of Laser Powder Bed Fusion 3D-Printed Inconel 718 for Centrifugal Turbomachinery Applications
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Topics: Additive manufacturing, Creep, Electron backscatter diffraction, High cycle fatigue, Lasers, Mechanical properties, Rupture, Spectroscopy, Turbomachinery, X-rays
Proceedings Papers

Robust Probabilistic Analysis of Deterioration-Induced Aeroelasticity in an Axial Turbine

Lennart Stania, Joerg R. Seume
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT25A006, June 13–17, 2022
Paper No: GT2022-82628
https://doi.org/10.1115/GT2022-82628
View Paper titled, Robust Probabilistic Analysis of Deterioration-Induced Aeroelasticity in an Axial Turbine
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Topics: Aeroelasticity, Turbines, Blades, Engineering simulation, Sensitivity analysis, Simulation, Vibration, Damping, High cycle fatigue, Airfoils
Proceedings Papers

Reduced Order Modeling of Forced Response in a Multistage Compressor Under Mistuning and Aerocoupling

Niklas Maroldt, Joerg R. Seume, Lukas Schwerdt, Lars Panning von-Scheidt, Jörg Wallaschek, Ricarda Berger, Raimund Rolfes
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A007, June 13–17, 2022
Paper No: GT2022-81090
https://doi.org/10.1115/GT2022-81090
View Paper titled, Reduced Order Modeling of Forced Response in a Multistage Compressor Under Mistuning and Aerocoupling
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Topics: Compressors, Modeling, Vibration, Rotors, Blades, Damping, Engineering simulation, Fatigue life, High cycle fatigue, Simulation
Proceedings Papers

Prediction and Validation of the Transient Pressure Field in a Centrifugal Compressor With Vaned Diffuser for the Application in High Cycle Fatigue Stress Estimations

Gökay Bacakci, Friedrich Fröhlig, Lukas Stuhldreier, Johannes Deutsch, Peter Jeschke
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT37A003, June 7–11, 2021
Paper No: GT2021-58876
https://doi.org/10.1115/GT2021-58876
View Paper titled, Prediction and Validation of the Transient Pressure Field in a Centrifugal Compressor With Vaned Diffuser for the Application in High Cycle Fatigue Stress Estimations
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Topics: Compressors, Diffusers, High cycle fatigue, Pressure, Stress, Transients (Dynamics), Engineering simulation, Fluctuations (Physics), Impellers, Pressure measurement