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Proceedings Papers

Fracture Mechanics-Based Structural Integrity Assessment of Aero-Engine Turbine Disks Under Overspeed Conditions

Jiangchao Zhu, Mauro Madia, Michael Schurig, Hartmut Schlums, Uwe Zerbst
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, V08AT24A004, June 13–17, 2022
Paper No: GT2022-79925
DOI: https://doi.org/10.1115/GT2022-79925
View Paper titled, Fracture Mechanics-Based Structural Integrity Assessment of Aero-Engine Turbine Disks Under Overspeed Conditions
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Topics: Aircraft engines, Disks, Fracture (Materials), Fracture mechanics, Turbines
Proceedings Papers

Quantification of the Impact of the Crack Shape Constraint Assumption Onto Predicted Remaining Useful Life

Adrian Loghin
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, V08AT24A005, June 13–17, 2022
Paper No: GT2022-80229
DOI: https://doi.org/10.1115/GT2022-80229
View Paper titled, Quantification of the Impact of the Crack Shape Constraint Assumption Onto Predicted Remaining Useful Life
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Topics: Fatigue cracks, Finite element analysis, Fracture (Materials), Service life (Equipment), Shapes, Stress, Crack propagation, Errors, Modeling, Computer software
Proceedings Papers

High-Performance Computing Probabilistic Fracture Mechanics Implementation for Gas Turbine Rotor Disks on Distributed Architectures Including Graphics Processing Units (GPUs)

Mrugesh Gajjar, Christian Amann, Kai Kadau
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT27A004, June 7–11, 2021
Paper No: GT2021-59295
DOI: https://doi.org/10.1115/GT2021-59295
View Paper titled, High-Performance Computing Probabilistic Fracture Mechanics Implementation for Gas Turbine Rotor Disks on Distributed Architectures Including Graphics Processing Units (GPUs)
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Topics: Architecture, Disks, Fatigue cracks, Fracture mechanics, Gas turbines, Graphics processing units, Rotors, Simulation
Proceedings Papers

Temperature-Dependent Fracture Mechanics-Informed Damage Model for Ceramic Matrix Composites

Travis Skinner, Aditi Chattopadhyay
Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T02A008, June 7–11, 2021
Paper No: GT2021-59789
DOI: https://doi.org/10.1115/GT2021-59789
View Paper titled, Temperature-Dependent Fracture Mechanics-Informed Damage Model for Ceramic Matrix Composites
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Topics: Ceramic matrix composites, Damage, Fracture (Materials), Fracture (Process), Fracture mechanics, Temperature
Proceedings Papers

Structural Analysis of a Gas Turbine Axial Compressor Blade Eroded by Online Water Washing

Rossella Cinelli, Gianluca Maggiani, Serena Gabriele, Alessio Castorrini, Giuliano Agati, Franco Rispoli
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT34A015, September 21–25, 2020
Paper No: GT2020-15942
DOI: https://doi.org/10.1115/GT2020-15942
View Paper titled, Structural Analysis of a Gas Turbine Axial Compressor Blade Eroded by Online Water Washing
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Topics: Blades, Compressors, Gas turbines, Structural analysis, Water, Erosion, Computational fluid dynamics, Damage, Finite element methods, Simulation
Proceedings Papers

Probabilistic Fracture Mechanics for Mature Service Frame Rotors

Philipp Engels, Christian Amann, Sebastian Schmitz, Kai Kadau
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT28A005, September 21–25, 2020
Paper No: GT2020-14608
DOI: https://doi.org/10.1115/GT2020-14608
View Paper titled, Probabilistic Fracture Mechanics for Mature Service Frame Rotors
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Topics: Fracture mechanics, Rotors, Cycles, Design, Disks, Risk, Blades, Failure, Forging, Gas turbines
Proceedings Papers

On Predicting Weld Specimen Fatigue Life Based on Defect Data

Sushovan Roychowdhury, Tomas Månsson
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT27A022, September 21–25, 2020
Paper No: GT2020-15976
DOI: https://doi.org/10.1115/GT2020-15976
View Paper titled, On Predicting Weld Specimen Fatigue Life Based on Defect Data
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Topics: Fatigue life, Fracture mechanics
Proceedings Papers

Life Assessment of Large Gas Turbine Blades

Santosh B. Narasimhachary, Kyle Smith, Sachin R. Shinde, Christian Amann, Kai Kadau, Saiganesh Iyer
Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT31A015, June 17–21, 2019
Paper No: GT2019-91630
DOI: https://doi.org/10.1115/GT2019-91630
View Paper titled, Life Assessment of Large Gas Turbine Blades
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Topics: Blades, Gas turbines, Fracture (Materials), Fracture mechanics, Manufacturing, Computers, Engineering instruments, Geometry, Investment casting (Process), Nickel
Proceedings Papers

Probabilistic Fracture Mechanics Framework Including Crack Nucleation of Rotor Forging Flaws

Francesco Radaelli, Kai Kadau, Christian Amann, Peter Gumbsch
Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT32A002, June 17–21, 2019
Paper No: GT2019-90418
DOI: https://doi.org/10.1115/GT2019-90418
View Paper titled, Probabilistic Fracture Mechanics Framework Including Crack Nucleation of Rotor Forging Flaws
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Topics: Forging, Fracture (Materials), Fracture mechanics, Nucleation (Physics), Rotors, Failure, Probability, Fatigue cracks, Cycles, Fatigue
Proceedings Papers

Innovative Mechanical Integrity Approaches for Steam Turbines: Industrial Needs

Henning Almstedt, Zeynep Yiğit-Rohde, Jürgen Havemann, Thomas Thiemann, Martin Stadler
Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A029, June 17–21, 2019
Paper No: GT2019-91633
DOI: https://doi.org/10.1115/GT2019-91633
View Paper titled, Innovative Mechanical Integrity Approaches for Steam Turbines: Industrial Needs
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Topics: Steam turbines, Acceptance criteria, Design, Design methodology, Dimensions, Fracture mechanics, High pressure (Physics), Life cycle costing, Optimization, Pressure vessels
Proceedings Papers

Thermomechanical Fatigue of Ceramic Matrix Composites

Li Longbiao
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T02A002, June 17–21, 2019
Paper No: GT2019-90067
DOI: https://doi.org/10.1115/GT2019-90067
View Paper titled, Thermomechanical Fatigue of Ceramic Matrix Composites
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Topics: Ceramic matrix composites, Fatigue, Thermomechanics, Fibers, Damage, Composite materials, Temperature, Ceramics, Cracking (Materials), Fracture (Process)
Proceedings Papers

On the Transferability of Probabilistic Fracture Mechanics Results for Scaled 50Hz and 60Hz Heavy Duty Gas Turbine Rotor Disks

Christian Amann, Kai Kadau, Peter Gumbsch
Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT32A001, June 11–15, 2018
Paper No: GT2018-75561
DOI: https://doi.org/10.1115/GT2018-75561
View Paper titled, On the Transferability of Probabilistic Fracture Mechanics Results for Scaled 50Hz and 60Hz Heavy Duty Gas Turbine Rotor Disks
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Topics: Disks, Fracture mechanics, Gas turbines, Rotors, Design, Engines, Centrifugal force, Dimensions, Failure, Product development
Proceedings Papers

Fretting Fatigue and Wear of Ti-6Al-4V With HVOF Sprayed Stellite Coating on Contact Surfaces of Shrouds and Stubs of Turbine Blades

Kunio Asai, Shuichi Ishizawa, Nobuhiro Isobe
Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT31A001, June 11–15, 2018
Paper No: GT2018-75282
DOI: https://doi.org/10.1115/GT2018-75282
View Paper titled, Fretting Fatigue and Wear of Ti-6Al-4V With HVOF Sprayed Stellite Coating on Contact Surfaces of Shrouds and Stubs of Turbine Blades
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Topics: Coating processes, Coatings, Fatigue, Turbine blades, Wear, Fracture (Materials), Fatigue strength, Friction, Microcracks, Crack propagation
Proceedings Papers

Structural Integrity Assessment of ORC Turbine Tie-Rods: An Analysis Based on Elastic Shakedown and Fracture Mechanics

S. Rabbolini, M. Sanvito, A. Lo Conte, S. Beretta, D. Rizzi
Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT31A003, June 11–15, 2018
Paper No: GT2018-75716
DOI: https://doi.org/10.1115/GT2018-75716
View Paper titled, Structural Integrity Assessment of ORC Turbine Tie-Rods: An Analysis Based on Elastic Shakedown and Fracture Mechanics
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Topics: Fracture mechanics, Organic Rankine cycle, Tie rods, Turbines, Stress, Fracture (Materials), Cycles, Fatigue, Thread, Crack propagation
Proceedings Papers

The Influence of Thermal Transient Rates on Coated Turbine Parts Life Expectancy

Alexander Staroselsky, Thomas J. Martin, Luke Borkowski
Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT31A019, June 11–15, 2018
Paper No: GT2018-77283
DOI: https://doi.org/10.1115/GT2018-77283
View Paper titled, The Influence of Thermal Transient Rates on Coated Turbine Parts Life Expectancy
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Topics: Transients (Dynamics), Turbine components, Turbines, Airfoils, Coating processes, Coatings, Deformation, Engines, Heating and cooling, Modeling
Proceedings Papers

Application of 3D Fracture Mechanics for Improved Crack Growth Predictions of Gas Turbine Components

Kanwardeep S. Bhachu, Santosh B. Narasimhachary, Sachin R. Shinde, Phillip W. Gravett
Proc. ASME. GT2017, Volume 7A: Structures and Dynamics, V07AT31A016, June 26–30, 2017
Paper No: GT2017-64890
DOI: https://doi.org/10.1115/GT2017-64890
View Paper titled, Application of 3D Fracture Mechanics for Improved Crack Growth Predictions of Gas Turbine Components
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Topics: Fracture (Materials), Fracture mechanics, Gas turbines, Stress, Approximation, Blades, Design, Engines, Geometry, Life cycle costing
Proceedings Papers

Probabilistic Fracture Mechanics for Heavy Duty Gas Turbine Rotor Forgings

Kai Kadau, Phillip W. Gravett, Christian Amann
Proc. ASME. GT2017, Volume 7A: Structures and Dynamics, V07AT32A005, June 26–30, 2017
Paper No: GT2017-64811
DOI: https://doi.org/10.1115/GT2017-64811
View Paper titled, Probabilistic Fracture Mechanics for Heavy Duty Gas Turbine Rotor Forgings
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Topics: Forgings (Products), Fracture mechanics, Gas turbines, Rotors, Risk, Failure, Simulation, Cycles, Design, Finite element analysis
Proceedings Papers

Cracking Analysis of Intermediate Pressure Inlet Diffuser in 1000MW Steam Turbine Units

Gang Chen, Junhui Zhang, Xingzhu Ye, Chunlei Ma
Proc. ASME. GT2017, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T29A003, June 26–30, 2017
Paper No: GT2017-63224
DOI: https://doi.org/10.1115/GT2017-63224
View Paper titled, Cracking Analysis of Intermediate Pressure Inlet Diffuser in 1000MW Steam Turbine Units
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Topics: Cracking (Materials), Diffusers, Fracture (Process), Pressure, Steam turbines, Fracture (Materials), Exhaust systems, Design, Steam, Temperature
Proceedings Papers

A Thermo-Mechanical Fatigue Crack Growth Accumulative Model for Gas Turbine Blades and Vanes

Andrea Riva, Alessio Costa, Dalila Dimaggio, Paolo Villari, Karl Michael Kraemer, Falk Mueller, Matthias Oechsner
Proc. ASME. GT2016, Volume 7A: Structures and Dynamics, V07AT28A013, June 13–17, 2016
Paper No: GT2016-58053
DOI: https://doi.org/10.1115/GT2016-58053
View Paper titled, A Thermo-Mechanical Fatigue Crack Growth Accumulative Model for Gas Turbine Blades and Vanes
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Topics: Blades, Fatigue cracks, Gas turbines, Thermomechanics, Fracture (Materials), Damage, Stress, Computer software, Crack propagation, Creep
Proceedings Papers

Performance and Life Characteristics of Hybrid Gas Bearing in a 10 MW Supercritical CO2 Turbine

Azam Thatte, Adrian Loghin, Youngwon Shin, Balajee Ananthasayanam
Proc. ASME. GT2016, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T36A018, June 13–17, 2016
Paper No: GT2016-57695
DOI: https://doi.org/10.1115/GT2016-57695
View Paper titled, Performance and Life Characteristics of Hybrid Gas Bearing in a 10 MW Supercritical CO2 Turbine
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Topics: Gas bearings, Supercritical carbon dioxide, Turbines, Fluids, Stress, Bearings, High pressure (Physics), High temperature, Concentrating solar power, Crack propagation