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Proceedings Papers

Secure Embedded Distributed Control and Instrumentation Architecture for Aircraft Propulsion Systems: Framework, Process, Methods, Challenges, and Opportunities

Alireza R. Behbahani, John J. Costello, Mehrdad Pakmehr, Richard J. Skertic

Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T05A016, June 13–17, 2022

Paper No: GT2022-82644

DOI: https://doi.org/10.1115/GT2022-82644

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Topics: Aerodynamics, Aerospace industry, Aircraft, Aircraft propulsion, Architecture, Computer security, Control equipment, Control systems, Cyber-attacks, Design

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

Measurements to Quantify the Effect of a Reduced Flow Rate on the Performance of a Tilting Pad Journal Bearing (LBP) With Flooded Ends

Luis San Andrés, Jonathan Toner, Andy Alcantar

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A007, June 7–11, 2021

Paper No: GT2021-58771

DOI: https://doi.org/10.1115/GT2021-58771

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Topics: Bearings, Flow (Dynamics), Journal bearings, Stress, Temperature, Drag (Fluid dynamics), Babbitt metal, Damping, Energy efficiency, Floods

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

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

Proceedings Papers

Stress Rupture Behavior of Disk Superalloys Exposed to Low-Temperature Hot Corrosion Environment

Dipankar Dua, Mohammad Khajavi, Gary White, Deepak Thirumurthy, Jaskirat Singh

Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT27A002, September 21–25, 2020

Paper No: GT2020-14113

DOI: https://doi.org/10.1115/GT2020-14113

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Topics: Corrosion, Disks, Low temperature, Rupture, Stress, Superalloys, Gas turbines, Turbines, Alloys, Bearings

Proceedings Papers

Development of a Constitutive Backstress Model for the Prediction of Creep and Stress Relaxation in Gas Turbine Materials

Andrew Moffat, Richard Green, Calum Ferguson, Brent Scaletta

Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT27A024, September 21–25, 2020

Paper No: GT2020-16191

DOI: https://doi.org/10.1115/GT2020-16191

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Topics: Creep, Gas turbines, Relaxation (Physics), Stress, Temperature, Fatigue, Corrosion, Fittings, Plasticity, Superalloys

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

Paper No: GT2020-14163

DOI: https://doi.org/10.1115/GT2020-14163

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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

Paper No: GT2020-14630

DOI: https://doi.org/10.1115/GT2020-14630

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Topics: Blades, Dynamics (Mechanics), Modeling, Dampers, Disks, Friction, Pressure, Springs, Coulombs, Design

Proceedings Papers

On the Effect of the Gap of End Seals on Force Coefficients of a Test Integral Squeeze Film Damper: Experiments and Predictions

Luis San Andrés, Xueliang Lu, Bonjin Koo, Scott Tran

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A005, September 21–25, 2020

Paper No: GT2020-14182

DOI: https://doi.org/10.1115/GT2020-14182

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Topics: Dampers, Damping, Bearings, Lubricants, Rotors, Stiffness, Clearances (Engineering), Flow (Dynamics), Stress, Compressibility

Proceedings Papers

Additively Manufactured Compliant Hybrid Gas Thrust Bearing for sCO 2 Turbomachinery: Design and Proof of Concept Testing

Bugra Ertas

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A017, September 21–25, 2020

Paper No: GT2020-14959

DOI: https://doi.org/10.1115/GT2020-14959

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Topics: Additive manufacturing, Design, Testing, Thrust bearings, Turbomachinery, Bearings, Thrust, Deflection, Stiffness, Clearances (Engineering)

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

Paper No: GT2020-14250

DOI: https://doi.org/10.1115/GT2020-14250

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Topics: Alloys, Crystals, Low cycle fatigue, Nickel, Creep, Damage, Fatigue, Superalloys, Blades, Deformation

Proceedings Papers

Low-Cycle Fatigue Life of Continuously Cyclic-Hardening Material

Zhong Zhang, Xijia Wu

Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT27A021, September 21–25, 2020

Paper No: GT2020-15702

DOI: https://doi.org/10.1115/GT2020-15702

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Topics: Hardening, Low cycle fatigue, Nucleation (Physics)

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

Paper No: GT2019-91903

DOI: https://doi.org/10.1115/GT2019-91903

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Topics: Crystals, Low cycle fatigue, Superalloys, Gas turbines, Matlab, Stress, Anisotropy, Blades, Constitutive equations, Deformation

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

Paper No: GT2019-91695

DOI: https://doi.org/10.1115/GT2019-91695

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Topics: Alloys, Creep, Fatigue, Modeling, Hardening, Stress, Fittings, High temperature, Kinematics, Engineering simulation

Proceedings Papers

Aspects of Creep Fatigue Lifetime Assessment for High Temperature Components With Accumulative Model

Stefan Linn, Christian Kontermann, Matthias Oechsner

Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A020, June 17–21, 2019

Paper No: GT2019-90909

DOI: https://doi.org/10.1115/GT2019-90909

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Topics: Creep, Fatigue, High temperature, Damage, Power stations, Stress, Accounting, Constitutive equations, Engineers, Fatigue damage

Proceedings Papers

Investigation of Stress-Strain Behavior of a Component Under Variable Frequency Non-Proportional Loading

Yifeng Hu, Gang Chen, Weizhe Wang

Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT30A010, June 11–15, 2018

Paper No: GT2018-76768

DOI: https://doi.org/10.1115/GT2018-76768

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Topics: Stress, Torsion, Cycles, Tension, Cylinders, Hardening

Proceedings Papers

A Reduced Order Constitutive Modeling Approach for a Material Subjected to Combined Cycle Fatigue

Ali P. Gordon, Thomas Bouchenot

Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT31A014, June 11–15, 2018

Paper No: GT2018-76903

DOI: https://doi.org/10.1115/GT2018-76903

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Topics: Combined cycles, Fatigue, Modeling, High temperature, Alloys, Approximation, Combustion, Constitutive equations, Creep, Design

Proceedings Papers

Improved Low Cycle Fatigue Analysis for Ni-Based Turbine Nozzles

Gianluca Maggiani, Matthew J. Roy, Simone Colantoni, Philip J. Withers

Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT31A008, June 11–15, 2018

Paper No: GT2018-75974

DOI: https://doi.org/10.1115/GT2018-75974

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Topics: Low cycle fatigue, Nozzles, Turbines, Alloys, Cooling, Firing, Temperature, Thermomechanics, Accounting, Computation

Proceedings Papers

On the Leakage, Torque and Dynamic Force Coefficients of an Air in Oil (Wet) Annular Seal: A CFD Analysis Anchored to Test Data

Luis San Andrés, Jing Yang, Xueliang Lu

Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A046, June 11–15, 2018

Paper No: GT2018-77140

DOI: https://doi.org/10.1115/GT2018-77140

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Topics: Computational fluid dynamics, Leakage, Torque, Stiffness, Drag (Fluid dynamics), Pumps, Clearances (Engineering), Damping, Flow (Dynamics), Pressure

Proceedings Papers

Prediction of Stress Relaxation in Power Plant Components Based on a Constitutive Model

Y. Kostenko, K. Naumenko

Proc. ASME. GT2017, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T29A017, June 26–30, 2017

Paper No: GT2017-63608

DOI: https://doi.org/10.1115/GT2017-63608

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Topics: Constitutive equations, Power stations, Relaxation (Physics), Stress, Creep, Steel, Hardening, Materials properties, Modeling, Temperature

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NARROW

Secure Embedded Distributed Control and Instrumentation Architecture for Aircraft Propulsion Systems: Framework, Process, Methods, Challenges, and Opportunities

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

Measurements to Quantify the Effect of a Reduced Flow Rate on the Performance of a Tilting Pad Journal Bearing (LBP) With Flooded Ends

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

Stress Rupture Behavior of Disk Superalloys Exposed to Low-Temperature Hot Corrosion Environment

Development of a Constitutive Backstress Model for the Prediction of Creep and Stress Relaxation in Gas Turbine Materials

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

Modeling Complex Contact Conditions and Their Effect on Blade Dynamics

On the Effect of the Gap of End Seals on Force Coefficients of a Test Integral Squeeze Film Damper: Experiments and Predictions

Additively Manufactured Compliant Hybrid Gas Thrust Bearing for sCO 2 Turbomachinery: Design and Proof of Concept Testing

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

Low-Cycle Fatigue Life of Continuously Cyclic-Hardening Material

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

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

Aspects of Creep Fatigue Lifetime Assessment for High Temperature Components With Accumulative Model

Investigation of Stress-Strain Behavior of a Component Under Variable Frequency Non-Proportional Loading

A Reduced Order Constitutive Modeling Approach for a Material Subjected to Combined Cycle Fatigue

Improved Low Cycle Fatigue Analysis for Ni-Based Turbine Nozzles

On the Leakage, Torque and Dynamic Force Coefficients of an Air in Oil (Wet) Annular Seal: A CFD Analysis Anchored to Test Data

Prediction of Stress Relaxation in Power Plant Components Based on a Constitutive Model

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