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Proceedings Papers

Thermochemical/Thermomechanical Synergies in High-Temperature Solid Particle Erosion of CMAS-Exposed EBCs

Jamesa L. Stokes, Michael J. Presby, Rebekah I. Webster, John Setlock, Bryan J. Harder
Proc. ASME. GT2023, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T02A002, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101212
https://doi.org/10.1115/GT2023-101212
View Paper titled, Thermochemical/Thermomechanical Synergies in High-Temperature Solid Particle Erosion of CMAS-Exposed EBCs
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Topics: Coatings, Erosion, High temperature, Particulate matter, Thermomechanics
Proceedings Papers

Numerical Study of Radiative Heat Transfer Through Next-Gen Thermal Barrier Coating Topcoats

Jaasim Mulla, Radhakanta Satpathy, Fiyanshu Kaka
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT13A012, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102756
https://doi.org/10.1115/GT2023-102756
View Paper titled, Numerical Study of Radiative Heat Transfer Through Next-Gen Thermal Barrier Coating Topcoats
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Topics: Heat transfer, Radiation (Physics), Radiative heat transfer, Thermal barrier coatings, Turbines, Temperature, Heat, Reflectance, Alloys, Aviation
Proceedings Papers

Design and Cooling Performance of Additively Manufactured Ceramic Turbine Vanes

Andrew Fox, Stephen Lynch, Jason C. Young, Carl P. Frick, Jennifer Hankins, Kyle Kuhn, Stephan A. Brinckmann, Ray S. Fertig, III
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT13A017, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104059
https://doi.org/10.1115/GT2023-104059
View Paper titled, Design and Cooling Performance of Additively Manufactured Ceramic Turbine Vanes
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Topics: Additive manufacturing, Ceramics, Cooling, Design, Turbines, Gas turbines, Industrial ceramics, Manufacturing, Air flow, Aviation
Proceedings Papers

Pressure Loss Analysis and its Prediction in Typical Valve Designs for Steam Turbines

Vaclav Slama, Bartolomej Rudas, David Šimurda, Jindřich Hála
Proc. ASME. GT2023, Volume 10: Steam Turbine, V010T20A004, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101134
https://doi.org/10.1115/GT2023-101134
View Paper titled, Pressure Loss Analysis and its Prediction in Typical Valve Designs for Steam Turbines
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Topics: Pressure, Steam turbines, Valves, Flow (Dynamics), Computer simulation, Design, Manufacturing, Turbines, Computer software, Diffusers
Proceedings Papers

ECAT+: A Second-Generation High-Temperature Engine Component Aerothermal Facility at the University of Oxford

Andrew Messenger, James Cartlidge, Nafiz Chowdhury, Frédéric Goenaga, Thomas Povey
Proc. ASME. GT2023, Volume 13B: Turbomachinery — Axial Flow Turbine Aerodynamics, V13BT30A023, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102935
https://doi.org/10.1115/GT2023-102935
View Paper titled, ECAT+: A Second-Generation High-Temperature Engine Component Aerothermal Facility at the University of Oxford
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Topics: Engines, High temperature, Turbines, Design, Temperature, Transients (Dynamics), Combustion chambers, Coolants, Heating, Compressors
Proceedings Papers

Influence of RANS Turbulent Inlet Set-Up on the Swirled Hot Streak Redistribution in a Simplified Nozzle Guide Vane Passage: Comparisons With Large-Eddy Simulations

Christopher Wingel, Nicolas Binder, Yannick Bousquet, Jean-François Boussuge, Nicolas Buffaz, Sébastien Le Guyader
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A002, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-78239
https://doi.org/10.1115/GT2022-78239
View Paper titled, Influence of RANS Turbulent Inlet Set-Up on the Swirled Hot Streak Redistribution in a Simplified Nozzle Guide Vane Passage: Comparisons With Large-Eddy Simulations
Open the PDF for Influence of RANS Turbulent Inlet Set-Up on the Swirled Hot Streak Redistribution in a Simplified Nozzle Guide Vane Passage: Comparisons With Large-Eddy Simulations in another window
Topics: Large eddy simulation, Nozzle guide vanes, Reynolds-averaged Navier–Stokes equations, Turbulence, High pressure (Physics), Turbines, Combustion chambers, Diffusion (Physics), Temperature, Aerodynamics
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-77983
https://doi.org/10.1115/GT2022-77983
View Paper titled, Efficient Test Method for Determining the Thermomechanical Fatigue Lifetime of Additively Manufactured Combustion Chamber Tiles Under Component-Related Conditions
Open the PDF for Efficient Test Method for Determining the Thermomechanical Fatigue Lifetime of Additively Manufactured Combustion Chamber Tiles Under Component-Related Conditions in another window
Topics: Additive manufacturing, Combustion chambers, Cooling, Fatigue, Stress, Thermomechanics, Tiles
Proceedings Papers

Pressure Losses Analysis in Two High-Pressure Steam Turbine Control Valves Situated in One Valve Chamber

Vaclav Slama, Bartolomej Rudas, David Simurda, Jindrich Hala, Martin Luxa
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T20A002, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-78969
https://doi.org/10.1115/GT2022-78969
View Paper titled, Pressure Losses Analysis in Two High-Pressure Steam Turbine Control Valves Situated in One Valve Chamber
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Topics: High pressure (Physics), Pressure, Steam turbines, Valves, Flow (Dynamics), Stress, Computer simulation, Computer software, Design, Energy conversion
Proceedings Papers

Stratified and Buoyancy-Induced Flow in Closed Compressor Rotors

Gary D. Lock, Richard W. Jackson, Mikolaj Pernak, Oliver J. Pountney, Carl M. Sangan, J. Michael Owen, Hui Tang, James A. Scobie
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT14A007, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82023
https://doi.org/10.1115/GT2022-82023
View Paper titled, Stratified and Buoyancy-Induced Flow in Closed Compressor Rotors
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Topics: Buoyancy, Compressors, Flow (Dynamics), Rotors, Disks, Fluids, Heat transfer, Temperature, Cavities, Compressibility
Proceedings Papers

Numerical Prediction of Thermomechanical Sensitivity of the First Stage Nozzle Guide Vane With Film Cooling

Siwanart Khumhaeng, Thitapa Suksa, Nutcha Laohalertchai, Benyapa Chaiprasit, Thanapat Chotroongruang, Prasert Prapamonthon
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT13A005, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-79662
https://doi.org/10.1115/GT2022-79662
View Paper titled, Numerical Prediction of Thermomechanical Sensitivity of the First Stage Nozzle Guide Vane With Film Cooling
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Topics: Film cooling, Nozzle guide vanes, Thermal barrier coatings, Thermomechanics, Turbines
Proceedings Papers

Experimental and Numerical Investigation of a Novel Method for Gradient Temperature Measurement

Markus Schönheit, Marcus Thiele, Edward Ginzbursky, Anastasia Thomas
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT13A017, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82909
https://doi.org/10.1115/GT2022-82909
View Paper titled, Experimental and Numerical Investigation of a Novel Method for Gradient Temperature Measurement
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Topics: Accuracy and precision, Alloys, Combustion chambers, Computational fluid dynamics, Cooling, Crystals, Cycles, Cylinders, Design, Design methodology
Proceedings Papers

Synchrotron X-Ray Diffraction to Quantify In-Situ Strain on Rare-Earth Doped Yttria-Stabilized Zirconia Thermal Barrier Coatings

Quentin Fouliard, Johnathan Hernandez, Hossein Ebrahimi, Khanh Vo, Ranajay Ghosh, Seetha Raghavan, Frank Accornero, Mary McCay, Jun-Sang Park, Jonathan Almer
Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T02A006, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59649
https://doi.org/10.1115/GT2021-59649
View Paper titled, Synchrotron X-Ray Diffraction to Quantify In-Situ Strain on Rare-Earth Doped Yttria-Stabilized Zirconia Thermal Barrier Coatings
Open the PDF for Synchrotron X-Ray Diffraction to Quantify In-Situ Strain on Rare-Earth Doped Yttria-Stabilized Zirconia Thermal Barrier Coatings in another window
Topics: Thermal barrier coatings, X-ray diffraction, Coatings, Sensors, Temperature, Gas turbines, Stress, Cycles, Data collection, Diffraction patterns
Proceedings Papers

Manufacturing Technologies for Fir Tree Slots: A Technological and Economic Evaluation

Lukas Heidemanns, Tobias Seelbach, Ugur Küpper, Martin Seimann, Thomas Bergs
Proc. ASME. GT2021, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V007T17A014, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59652
https://doi.org/10.1115/GT2021-59652
View Paper titled, Manufacturing Technologies for Fir Tree Slots: A Technological and Economic Evaluation
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Topics: Economic analysis, Electrical discharge machining, Machining, Manufacturing technology, Wire, Geometry, Manufacturing, Disks, Engines, Cutting tools
Proceedings Papers

A Discrete Element Methods-Based Model for Particulate Deposition and Rebound in Gas Turbines

Jack G. Gaskell, Matthew McGilvray, David R. H. Gillespie
Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT33A001, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58477
https://doi.org/10.1115/GT2021-58477
View Paper titled, A Discrete Element Methods-Based Model for Particulate Deposition and Rebound in Gas Turbines
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Topics: Gas turbines, Particulate matter, Adhesion, Deformation, Modeling, Physics, Viscoelasticity, Collisions (Physics), Cooling, Discrete element methods
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59581
https://doi.org/10.1115/GT2021-59581
View Paper titled, Crystal Visco-Plastic Model for Directionally Solidified Ni-Base Superalloys Under Monotonic and Low Cycle Fatigue
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Topics: Crystals, Low cycle fatigue, Modeling, Superalloys, Grain boundaries, Temperature, Anisotropy, Constitutive equations, Deformation, Gas turbines
Proceedings Papers

Improved Rotor Design With Combined 3D-2D Probabilistic Approach

Lukas Schuchard, Matthias Voigt, Ronald Mailach, Peter Dumstorff, Armin de Lazzer, Henning Almstedt
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT27A002, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58620
https://doi.org/10.1115/GT2021-58620
View Paper titled, Improved Rotor Design With Combined 3D-2D Probabilistic Approach
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Topics: Design, Rotors, Blades, Stress, Transients (Dynamics), Steam turbines, Thermomechanics, Boundary-value problems, Low cycle fatigue, Pressure
Proceedings Papers

Transient Aero-Thermo-Mechanical Multidimensional Analysis of a High Pressure Turbine Assembly Through a Square Cycle

Vlad Ganine, John W. Chew, Nicholas J. Hills, Sulfi N. Mohamed, Matthew M. Miller
Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT14A024, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15667
https://doi.org/10.1115/GT2020-15667
View Paper titled, Transient Aero-Thermo-Mechanical Multidimensional Analysis of a High Pressure Turbine Assembly Through a Square Cycle
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Topics: Cycles, High pressure (Physics), Manufacturing, Transients (Dynamics), Turbines, Flow (Dynamics), Cooling, Engines, Heat transfer, Aircraft engines
Proceedings Papers

Thermo-Structural Analysis of a Micro Gas Turbine Jet- and Recirculation- Stabilized Combustion Chamber

Daniele Cirigliano, Felix Grimm, Peter Kutne, Manfred Aigner
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT27A030, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16285
https://doi.org/10.1115/GT2020-16285
View Paper titled, Thermo-Structural Analysis of a Micro Gas Turbine Jet- and Recirculation- Stabilized Combustion Chamber
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Topics: Combustion, Combustion chambers, Fatigue, Finite element analysis, Heat losses, Micro gas turbines, Thermomechanics, Stress, Creep, High pressure (Physics)
Proceedings Papers

Stability Analysis of the Morton Effect of Rigid and Flexible Rotors

Silun Zhang, Mohamed Amine Hassini, Mihai Arghir
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT29A013, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14999
https://doi.org/10.1115/GT2020-14999
View Paper titled, Stability Analysis of the Morton Effect of Rigid and Flexible Rotors
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Topics: Rotors, Stability, Vibration, Ball bearings, Bearings, Deformation, Flow (Dynamics), Journal bearings, Temperature, Thermomechanics
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14163
https://doi.org/10.1115/GT2020-14163
View Paper titled, Crystal Visco-Plastic Model for Ni-Base Superalloys Under Thermomechanical Fatigue
Open the PDF for Crystal Visco-Plastic Model for Ni-Base Superalloys Under Thermomechanical Fatigue in another window
Topics: Anisotropy, Crystals, Fatigue, Modeling, Superalloys, Thermomechanics, Temperature, Stress, Hardening, Simulation