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Proceedings Papers

Influence of Porosity on Double-Walled Effusion-Cooled Systems for Gas Turbine Blades

Matthew Courtis, Peter Ireland

Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A009, June 13–17, 2022

Paper No: GT2022-80377

DOI: https://doi.org/10.1115/GT2022-80377

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Topics: Blades, Gas turbines, Porosity, Cooling, Computational fluid dynamics, Convection, Coolants, Flow (Dynamics), Temperature, Fatigue

Proceedings Papers

Mixed Whirl Modes in Numerical Rotordynamics Analysis

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, V08BT26A004, June 13–17, 2022

Paper No: GT2022-79755

DOI: https://doi.org/10.1115/GT2022-79755

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Topics: Rotordynamics, Whirls, Rotors, Design, Eigenvalues, Stability, Algorithms, Economics , Fatigue, Finite element analysis

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

DOI: https://doi.org/10.1115/GT2022-80220

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Topics: Low cycle fatigue, Damage, Fatigue, Fracture (Materials), Gas turbines, Photodynamic therapy, Aircraft, Cycles, Density, Probability

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

DOI: https://doi.org/10.1115/GT2022-81090

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Topics: Compressors, Modeling, Vibration, Rotors, Blades, Damping, Engineering simulation, Fatigue life, High cycle fatigue, Simulation

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

DOI: https://doi.org/10.1115/GT2022-83284

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Topics: Design, Supercritical carbon dioxide, Testing, Compressors, Concentrating solar power, Creep, Fatigue, Gears, High pressure (Physics), High temperature

Proceedings Papers

A Novel Yield Criterion for Nickel-Based Superalloys

Firat Irmak, Kevin Hanekom, Alex Torkaman, Ali P. Gordon

Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T17A022, June 13–17, 2022

Paper No: GT2022-83274

DOI: https://doi.org/10.1115/GT2022-83274

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Topics: Nickel, Superalloys, Alloys, Crystals, Stress, Anisotropy, Gas turbines, High temperature, Solidification, Blades

Proceedings Papers

Recrystallization of René N4 and N5

Hans van Esch, Stijn Pietersen, Alex Bridges, John Scheibel, Robert Zuber, Wayne Greaves

Paper No: GT2022-81438

DOI: https://doi.org/10.1115/GT2022-81438

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Topics: Recrystallization, Crystals, Maintenance, Superalloys, Heat, Manufacturing, Nickel, Compressive stress, Shot peening, Stress

Proceedings Papers

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

Firat Irmak, Sahil Karim, Nathan O’Nora, Ali P. Gordon

Paper No: GT2022-83276

DOI: https://doi.org/10.1115/GT2022-83276

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Topics: Crystals, Nickel, Stress, Superalloys, Creep, Temperature, Alloys, Damage, Fatigue, Cycles

Proceedings Papers

Full Rejuvenation Heat Treatment of GTD 111DS

Hans van Esch, Stijn Pietersen, Wayne Greaves, Alex Bridges, John Scheibel

Paper No: GT2022-81454

DOI: https://doi.org/10.1115/GT2022-81454

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Topics: Heat treating (Metalworking), Mechanical properties, Stress, Fatigue, Gas turbines, Hot pressing, Low cycle fatigue, Mechanical testing, Rupture

Proceedings Papers

Efficient Test Method for Determining the Thermomechanical Fatigue Lifetime of Additively Manufactured Combustion Chamber Tiles Under Component-Related Conditions

Michael Schlesinger, Sophie Schackert, Igor Sikorski, Georg Mathiak

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, V08AT23A001, June 13–17, 2022

Paper No: GT2022-77983

DOI: https://doi.org/10.1115/GT2022-77983

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Topics: Additive manufacturing, Combustion chambers, Cooling, Fatigue, Stress, Thermomechanics, Tiles

Proceedings Papers

Influence of Multiaxial Far Field Loadings on the Fatigue Crack-Growth Behaviour by Using Corner-Crack and Cruciform Specimen

F. Conrad, C. Kontermann, A. Blug, A. Bertz, D. Carl, M. Oechsner

Paper No: GT2022-79394

DOI: https://doi.org/10.1115/GT2022-79394

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Topics: Corners (Structural elements), Fatigue, Fracture (Materials)

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

Paper No: GT2022-83443

DOI: https://doi.org/10.1115/GT2022-83443

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Topics: Fatigue testing, Heating, High cycle fatigue, Titanium, Cycles, Fatigue, Fatigue life, Heat, Gas turbines, Cooling

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

Paper No: GT2022-81676

DOI: https://doi.org/10.1115/GT2022-81676

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Topics: Alloys, Creep, Fatigue, High cycle fatigue, Nickel

Proceedings Papers

Component Tests and Numerical Investigations to Determine the Lifetime and Failure Behavior of End Stage Blades

Lukas Frank, Stefan Weihe

Paper No: GT2022-79695

DOI: https://doi.org/10.1115/GT2022-79695

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Topics: Blades, Failure, Fatigue, Finite element analysis, Stress

Proceedings Papers

Turboprop Engine Loading During High and Low Maneuver Intensity Flight Mode

Ioannis Templalexis, Lambros Giachalis, Ioannis Lionis

Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T06A017, June 7–11, 2021

Paper No: GT2021-59668

DOI: https://doi.org/10.1115/GT2021-59668

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Topics: Creep, Engines, Flight, Gas turbines, Aircraft, Air Force, Aircraft engines, Computer software, Cycles, Failure mechanisms

Proceedings Papers

Establishing an Acceptance Criteria for Assessing Fatigue of Additive Repair Processes

Onome Scott-Emuakpor, Luke Sheridan, Joseph Beck, Brian Runyon, Tommy George

Proc. ASME. GT2021, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V007T17A010, June 7–11, 2021

Paper No: GT2021-59480

DOI: https://doi.org/10.1115/GT2021-59480

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Topics: Acceptance criteria, Additive manufacturing, Airfoils, Fatigue, Gas turbines, Maintenance, Titanium

Proceedings Papers

Comparative Low-Cycle Fatigue Behavior of HAYNES 244 Alloy and Waspaloy

Michael G. Fahrmann

Proc. ASME. GT2021, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V007T17A013, June 7–11, 2021

Paper No: GT2021-59619

DOI: https://doi.org/10.1115/GT2021-59619

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Topics: Alloys, Low cycle fatigue, Crack propagation, Fatigue, Fatigue cracks, Fracture (Materials), Fracture (Process), Gas turbines, Hardening, Heat

Proceedings Papers

Forced Response Excitation due to the Stator Vanes of Two and Three Compressor Stages Away

Toshimasa Miura, Naoto Sakai, Naoki Kanazawa, Kentaro Nakayama

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT23A011, June 7–11, 2021

Paper No: GT2021-59149

DOI: https://doi.org/10.1115/GT2021-59149

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Topics: Compressors, Excitation, Stators, Blades, Vibration, Computational fluid dynamics, Fluid structure interaction, Rotors, Simulation, Gas turbines

Proceedings Papers

Experimental and Numerical Investigation of High-Temperature Multi-Axial Fatigue

Harish Ramesh Babu, Marco Böcker, Mario Raddatz, Sebastian Henkel, Horst Biermann, Uwe Gampe

Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT26A007, June 7–11, 2021

Paper No: GT2021-58959

DOI: https://doi.org/10.1115/GT2021-58959

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Topics: Fatigue, High temperature, 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

Paper No: GT2021-59581

DOI: https://doi.org/10.1115/GT2021-59581

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Topics: Crystals, Low cycle fatigue, Modeling, Superalloys, Grain boundaries, Temperature, Anisotropy, Constitutive equations, Deformation, Gas turbines

2 3 4 5

NARROW

Influence of Porosity on Double-Walled Effusion-Cooled Systems for Gas Turbine Blades

Mixed Whirl Modes in Numerical Rotordynamics Analysis

A Probabilistic Framework for Minimum Low Cycle Fatigue Life Prediction

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

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

A Novel Yield Criterion for Nickel-Based Superalloys

Recrystallization of René N4 and N5

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

Full Rejuvenation Heat Treatment of GTD 111DS

Efficient Test Method for Determining the Thermomechanical Fatigue Lifetime of Additively Manufactured Combustion Chamber Tiles Under Component-Related Conditions

Influence of Multiaxial Far Field Loadings on the Fatigue Crack-Growth Behaviour by Using Corner-Crack and Cruciform Specimen

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

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

Component Tests and Numerical Investigations to Determine the Lifetime and Failure Behavior of End Stage Blades

Turboprop Engine Loading During High and Low Maneuver Intensity Flight Mode

Establishing an Acceptance Criteria for Assessing Fatigue of Additive Repair Processes

Comparative Low-Cycle Fatigue Behavior of HAYNES 244 Alloy and Waspaloy

Forced Response Excitation due to the Stator Vanes of Two and Three Compressor Stages Away

Experimental and Numerical Investigation of High-Temperature Multi-Axial Fatigue

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

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