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Proceedings Papers

Accelerating the Development of a New Turbomachinery Concept in an Environment With Limited Resources and Experimental Data: Challenges

Dylan Rubini, Nikolas Karefyllidis, Liping Xu, Budimir Rosic, Harri Johannesdahl
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT36A001, June 13–17, 2022
Paper No: GT2022-80698
DOI: https://doi.org/10.1115/GT2022-80698
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Topics: Aerodynamics, Carbon, Chemical reactions, Chemistry, Computational fluid dynamics, Computer-aided engineering, Cracking (Materials), Databases, Design, Eddies (Fluid dynamics)
Proceedings Papers

Ammonia as an Aircraft Fuel: Thermal Assessment From Airport to Wake

Marcel Otto, Ladislav Vesely, Jayanta Kapat, Michael Stoia, Nicholas D. Applegate, Greg Natsui
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T03A023, June 13–17, 2022
Paper No: GT2022-84359
DOI: https://doi.org/10.1115/GT2022-84359
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Topics: Aircraft, Fuels, Wakes, Aviation, Emissions, Hydrogen, Cooling, Biofuel, Carbon, Compressors
Proceedings Papers

A New Turbomachine for Clean and Sustainable Hydrocarbon Cracking

Dylan Rubini, Liping Xu, Budimir Rosic, Harri Johannesdahl
Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT34A016, June 7–11, 2021
Paper No: GT2021-59197
DOI: https://doi.org/10.1115/GT2021-59197
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Topics: Cracking (Materials), Fracture (Process), Sustainability, Turbomachinery, Turbochargers, Temperature, Energy transformation, Feedstock, Heat, Rotors
Proceedings Papers

Improvement of Surface Cracking Risks by Controlling Dilution of Cobalt-Based Hardfacings

Takashi Yokoyama, Takayuki Kurimura, Noriyuki Sakakibara, Fumiyuki Suzuki
Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T22A003, June 7–11, 2021
Paper No: GT2021-58497
DOI: https://doi.org/10.1115/GT2021-58497
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Topics: Cobalt, Cracking (Materials), Fracture (Process), Steam, Valves
Proceedings Papers

Micromechanical Modeling Tension-Compression Fatigue Hysteresis Loops Model of Fiber-Reinforced Ceramic-Matrix Composites Considering Fibers Failure

Longbiao Li
Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T02A002, June 7–11, 2021
Paper No: GT2021-58485
DOI: https://doi.org/10.1115/GT2021-58485
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Topics: Ceramics, Composite materials, Compression, Failure, Fatigue, Fibers, Modeling, Tension, Stress, Ceramic matrix composites
Proceedings Papers

Matrix Crack Networks in SiC/SiC Composites: In-Situ Characterisation and Metrics

S. P. Jordan, S. P. Jeffs, C. D. Newton, L. Gale, P. I. Nicholson, M. R. Bache
Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T02A001, June 7–11, 2021
Paper No: GT2021-03796
DOI: https://doi.org/10.1115/GT2021-03796
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Topics: Composite materials, Fracture (Materials), Damage, Temperature, Ceramic matrix composites, Acoustic emissions, Cracking (Materials), Displacement, Engineering inspection, Engineering systems and industry applications
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

Temperature-Dependent Fatigue Damage Evolution of Fiber-Reinforced Ceramic-Matrix Composites

Li Longbiao
Proc. ASME. GT2020, Volume 3: Ceramics; Coal, Biomass, Hydrogen, and Alternative Fuels, V003T02A001, September 21–25, 2020
Paper No: GT2020-14144
DOI: https://doi.org/10.1115/GT2020-14144
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Topics: Ceramics, Composite materials, Fatigue damage, Fibers, Temperature, Fatigue, Cycles, Shear stress, Constitutive equations, Stress
Proceedings Papers

The Effects of Cooling Holes on SiC/SiC CMC Tensile Strength

Craig Smith, Michael Presby, Ramakrishna Bhatt, Sreeramesh Kalluri
Proc. ASME. GT2020, Volume 3: Ceramics; Coal, Biomass, Hydrogen, and Alternative Fuels, V003T02A008, September 21–25, 2020
Paper No: GT2020-15682
DOI: https://doi.org/10.1115/GT2020-15682
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Topics: Ceramic matrix composites, Cooling, Tensile strength, Temperature, Engines, Film cooling, Silicon, Acoustic emissions, Compressors, Cracking (Materials)
Proceedings Papers

Evaluation of Platform Weld Repairs on F-Class, Stage 1 Buckets

Warren Miglietti, John Scheibel
Proc. ASME. GT2020, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V008T18A003, September 21–25, 2020
Paper No: GT2020-14344
DOI: https://doi.org/10.1115/GT2020-14344
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Topics: Cladding systems (Building), Cracking (Materials), Fracture (Process), Gas tungsten arc welding, Lasers, Maintenance, Optical microscopy, Rupture, Stress, Temperature
Proceedings Papers

Improved Life Assessment for Ni-Based Gas Turbine First Stage High Pressure Turbine Nozzles

Gianluca Maggiani, Matthew J. Roy, Simone Colantoni, Philip J. Withers
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT27A014, September 21–25, 2020
Paper No: GT2020-14763
DOI: https://doi.org/10.1115/GT2020-14763
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Topics: Gas turbines, High pressure (Physics), Nozzles, Turbines, Creep, Finite element analysis, Design, Transient analysis, Cooling systems, Cracking (Materials)
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

Characterisation of SiC f /SiC Specimens Using an In-Situ Tensile Stage Within a Scanning Electron Microscope

Steven P. Jordan, Martin R. Bache, Christopher D. Newton, Louise Gale
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T02A004, June 17–21, 2019
Paper No: GT2019-90356
DOI: https://doi.org/10.1115/GT2019-90356
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Topics: Scanning electron microscopes, Cracking (Materials), Fracture (Process), Ceramic matrix composites, Fracture (Materials), Imaging, Fibers, Gages, Temperature, Tensile testing
Proceedings Papers

Modeling Thermally Grown Oxides in Thermal Barrier Coatings Using Koch Fractal

Peter Warren, Sandip Haldar, Seetha Raghavan, Ranajay Ghosh
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T24A019, June 17–21, 2019
Paper No: GT2019-91722
DOI: https://doi.org/10.1115/GT2019-91722
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Topics: Fractals, Modeling, Thermal barrier coatings, Stress, Cracking (Materials), Creep, Delamination, Failure, Fracture (Process), Geometry
Proceedings Papers

A Prognostics and Health Management Framework for Wind

Shuangwen Sheng, Yi Guo
Proc. ASME. GT2019, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T48A013, June 17–21, 2019
Paper No: GT2019-91533
DOI: https://doi.org/10.1115/GT2019-91533
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Topics: Failure, Probability, Service life (Equipment), Wind, Wind turbines, Mechanical drives, Bearings, Failure mechanisms, Maintenance, Physics
Proceedings Papers

Evaluating Splitter Blade Designs to Avoid Impeller Failure in a High-Speed Unshrouded Centrifugal Compressor

Alex Curtin, Reid A. Berdanier, Robert F. Kunz, Michael L. Jonson
Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT36A015, June 17–21, 2019
Paper No: GT2019-91359
DOI: https://doi.org/10.1115/GT2019-91359
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Topics: Blades, Compressors, Failure, Impellers, Computational fluid dynamics, Inlet guide vanes, Failure mechanisms, Shock waves, Boundary layers, Cracking (Materials)
Proceedings Papers

Development and Material Characterization of an Additively Manufactured Nickel Alloy for Turbine Applications

David Day, Edwin Kawecki, Joshua R. McNally, Thomas J. Rosenbarger
Proc. ASME. GT2018, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T24A019, June 11–15, 2018
Paper No: GT2018-76614
DOI: https://doi.org/10.1115/GT2018-76614
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Topics: Additive manufacturing, Nickel alloys, Turbines, Design, Hardware, Manufacturing, Nickel, Cracking (Materials), Creep, Failure
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

A Study on Crack Configurations in Thermal Barrier Coatings

Robert Eriksson, Krishna Praveen Jonnalagadda
Proc. ASME. GT2017, Volume 6: Ceramics; Controls, Diagnostics and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T24A005, June 26–30, 2017
Paper No: GT2017-63610
DOI: https://doi.org/10.1115/GT2017-63610
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Topics: Fracture (Materials), Thermal barrier coatings, Spallation (Nuclear physics), Ceramics, Crack propagation, Cracking (Materials), Damage, Failure, Fatigue, Finite element analysis
Proceedings Papers

The Fabrication, High Heat Flux Testing, and Failure Analysis of Thermal Barrier Coatings for Power Generation Gas Turbines

Mary Helen McCay, Pei-feng Hsu, D. Edward Croy, David Moreno, Mengqi Zhang
Proc. ASME. GT2017, Volume 6: Ceramics; Controls, Diagnostics and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T24A008, June 26–30, 2017
Paper No: GT2017-63683
DOI: https://doi.org/10.1115/GT2017-63683
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Topics: Energy generation, Failure analysis, Gas turbines, Heat flux, Manufacturing, Testing, Thermal barrier coatings, Temperature, Cycles, Heating