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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
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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
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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
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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
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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
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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
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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
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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
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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
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Topics: Ceramic matrix composites, Fatigue, Thermomechanics, Fibers, Damage, Composite materials, Temperature, Ceramics, Cracking (Materials), Fracture (Process)
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
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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
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Topics: Transients (Dynamics), Turbine components, Turbines, Airfoils, Coating processes, Coatings, Deformation, Engines, Heating and cooling, Modeling
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
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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
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Topics: Coating processes, Coatings, Fatigue, Turbine blades, Wear, Fracture (Materials), Fatigue strength, Friction, Microcracks, Crack propagation
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
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Topics: Cracking (Materials), Diffusers, Fracture (Process), Pressure, Steam turbines, Fracture (Materials), Exhaust systems, Design, Steam, Temperature
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
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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
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Topics: Forgings (Products), Fracture mechanics, Gas turbines, Rotors, Risk, Failure, Simulation, Cycles, Design, Finite element analysis
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
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Topics: Gas bearings, Supercritical carbon dioxide, Turbines, Fluids, Stress, Bearings, High pressure (Physics), High temperature, Concentrating solar power, Crack propagation
Proceedings Papers

Micromechanics-Based Fracture Risk Assessment Using Integrated Probabilistic Damage Tolerance Analysis and Manufacturing Process Models

Michael P. Enright, R. Craig McClung, Kwai S. Chan, John McFarland, Jonathan P. Moody, James C. Sobotka
Proc. ASME. GT2016, Volume 7B: Structures and Dynamics, V07BT29A004, June 13–17, 2016
Paper No: GT2016-58089
DOI: https://doi.org/10.1115/GT2016-58089
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Topics: Damage, Fracture (Materials), Fracture (Process), Manufacturing, Micromechanics (Engineering), Risk assessment, Tolerance analysis, Gas turbines, Grain size, Modeling
Proceedings Papers

The Role of Advanced Fracture Mechanics Evaluation Methods for Turbine Components

Henning Almstedt, Torsten-Ulf Kern, David Segletes, Michael Loehr
Proc. ASME. GT2016, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T26A032, June 13–17, 2016
Paper No: GT2016-57339
DOI: https://doi.org/10.1115/GT2016-57339
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Topics: Evaluation methods, Fracture mechanics, Turbine components, Fracture (Materials), Design, Ductility, Crack propagation, Dimensions, Failure, Failure mechanisms
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
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Topics: Blades, Fatigue cracks, Gas turbines, Thermomechanics, Fracture (Materials), Damage, Stress, Computer software, Crack propagation, Creep