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Proceedings Papers

Development and Characterization of EB-PVD Thermal Barrier Coatings With Different Ceramic Materials for Turbine Blades

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Hanifi Eray Korkmaz, Gökhan Güven, Alican Dikbıyık, Güven Yücesan, Kürşat Kazmanlı
Proc. ASME. GT2024, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T02A013, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127411
https://doi.org/10.1115/GT2024-127411
View Paper titled, Development and Characterization of EB-PVD Thermal Barrier Coatings With Different Ceramic Materials for Turbine Blades
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Topics: Ceramics, Thermal barrier coatings, Thermal conductivity, Turbine blades
Proceedings Papers

Effect of Film Cooling Hole Geometry on Thermal Stress Based on Thermo-Solid Coupled Analysis

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Xiao Yan, Tong Huang, Xinrong Su, Xin Yuan
Proc. ASME. GT2024, Volume 7: Heat Transfer: Combustors; Heat Transfer: Film Cooling, V007T12A021, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124974
https://doi.org/10.1115/GT2024-124974
View Paper titled, Effect of Film Cooling Hole Geometry on Thermal Stress Based on Thermo-Solid Coupled Analysis
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Topics: Film cooling, Geometry, Optimization, Thermal stresses, Cooling, Shapes, Design, Coolants, Mechanical properties, Stress
Proceedings Papers

Biot Number Error in Low Temperature Inconel Overall Effectiveness Experiments

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Bailey W. Hopkins, Jacob A. Hughes, Carol E. Bryant, James L. Rutledge
Proc. ASME. GT2024, Volume 7: Heat Transfer: Combustors; Heat Transfer: Film Cooling, V007T12A018, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124338
https://doi.org/10.1115/GT2024-124338
View Paper titled, Biot Number Error in Low Temperature Inconel Overall Effectiveness Experiments
Open the PDF for Biot Number Error in Low Temperature Inconel Overall Effectiveness Experiments in another window
Topics: Errors, Low temperature, Engines, Temperature, Thermal conductivity, Nickel alloys, Turbine components, Nickel, Superalloys, Testing
Proceedings Papers

Durability Test of Advanced TBC’s

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Hans van Esch, Stijn Pietersen, John Scheibel, Olaf Barth
Proc. ASME. GT2024, Volume 9: Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications; Steam Turbine, V009T17A019, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127899
https://doi.org/10.1115/GT2024-127899
View Paper titled, Durability Test of Advanced TBC’s
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Topics: Durability, Gas turbines, Hydrogen, Thermal conductivity, Coatings, Inspection, Heat transfer, Steam, Carbon, Combustion systems
Proceedings Papers

Experimental and Numerical Investigations of Grain Size Changes in the Rim Zone During Turning of DA718

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Nicklas Gerhard, Hui Liu, Antonia Splettstößer, Pere Massanés Pedró, Markus Meurer, Thomas Bergs
Proc. ASME. GT2023, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V008T17A008, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101989
https://doi.org/10.1115/GT2023-101989
View Paper titled, Experimental and Numerical Investigations of Grain Size Changes in the Rim Zone During Turning of DA718
Open the PDF for Experimental and Numerical Investigations of Grain Size Changes in the Rim Zone During Turning of DA718 in another window
Topics: Grain size, Turning, Computer simulation, Cutting, Simulation, Alloys, Ceramics, Cracking (Materials), Engines, Finite element methods
Proceedings Papers

Reduced-Order Model of Aero-Thermal-Mechanical Interactions in Ultra High-Speed Micro Gas Turbines

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Aniwat Tiralap, Choon S. Tan
Proc. ASME. GT2023, Volume 9: Microturbines, Turbochargers, and Small Turbomachines; Oil and Gas Applications, V009T18A005, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101838
https://doi.org/10.1115/GT2023-101838
View Paper titled, Reduced-Order Model of Aero-Thermal-Mechanical Interactions in Ultra High-Speed Micro Gas Turbines
Open the PDF for Reduced-Order Model of Aero-Thermal-Mechanical Interactions in Ultra High-Speed Micro Gas Turbines in another window
Topics: Micro gas turbines, Engines, Bearings, Clearances (Engineering), Thermal expansion, Cooling, Design, Flow (Dynamics), Computation, Deformation
Proceedings Papers

The Pore Size Dependence of the Radiative Scattering Coefficient in Yttria-Stabilized Zirconia Films

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Yao Wang, Pei-feng Hsu, Mary Helen McCay
Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T02A003, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80853
https://doi.org/10.1115/GT2022-80853
View Paper titled, The Pore Size Dependence of the Radiative Scattering Coefficient in Yttria-Stabilized Zirconia Films
Open the PDF for The Pore Size Dependence of the Radiative Scattering Coefficient in Yttria-Stabilized Zirconia Films in another window
Topics: Scattering (Physics), Thermal barrier coatings, Absorption, Ceramics, Plasma spraying, Porosity, Spraying (Coating processes), Temperature, Algorithms, Aluminum
Proceedings Papers

Scaling Flat Plate Overall Effectiveness Measurements

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Luke J. McNamara, Jacob P. Fischer, Marta Kernan, James L. Rutledge
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A018, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81826
https://doi.org/10.1115/GT2022-81826
View Paper titled, Scaling Flat Plate Overall Effectiveness Measurements
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Topics: Flat plates, Coolants, Engines, Flow (Dynamics), Thermal conductivity, Turbine components, Cooling, Design, Gases, Low temperature
Proceedings Papers

Theoretical Considerations for Scaling Convection in Overall Effectiveness Experiments

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Carol E. Bryant, James L. Rutledge
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A015, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81508
https://doi.org/10.1115/GT2022-81508
View Paper titled, Theoretical Considerations for Scaling Convection in Overall Effectiveness Experiments
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Topics: Computational fluid dynamics, Convection, Coolants, Density, Engineering simulation, Engines, Flow (Dynamics), Fluids, Gases, Heat transfer coefficients
Proceedings Papers

LES-CHT for a Rotating Cavity with Axial Throughflow

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Tom Hickling, Li He
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT14A014, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82982
https://doi.org/10.1115/GT2022-82982
View Paper titled, LES-CHT for a Rotating Cavity with Axial Throughflow
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Topics: Cavities, Disks, Flow (Dynamics), Fluids, Heat transfer, Temperature, Electrical conductivity, Heating, Thermal conductivity, Aerodynamics
Proceedings Papers

Low-Order Modeling of Can-Annular Combustors

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Guillaume J. J. Fournier, Max Meindl, Camilo F. Silva, Giulio Ghirardo, Mirko R. Bothien, Wolfgang Polifke
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A027, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58947
https://doi.org/10.1115/GT2021-58947
View Paper titled, Low-Order Modeling of Can-Annular Combustors
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Topics: Combustion chambers, Modeling, Acoustics, Engineering simulation, Reflectance, Simulation, Annulus, Compressors, Electrical conductivity, Experimental design
Proceedings Papers

Experimental Analysis and Material Characterization of Ultra High Temperature Composites

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Anindya Ghoshal, Michael J. Walock, Andy Nieto, Muthuvel Murugan, Clara Hofmeister-Mock, Marc Pepi, Luis Bravo, Andrew Wright, Jian Luo
Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T02A010, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60384
https://doi.org/10.1115/GT2021-60384
View Paper titled, Experimental Analysis and Material Characterization of Ultra High Temperature Composites
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Topics: Composite materials, Experimental analysis, High temperature, Oxidation, Fracture toughness, Ablation (Vaporization technology), US Department of Defense, Zirconium, Army, Ball milling
Proceedings Papers

Enhancing Turbine Deposition Prediction Capability With Conjugate Mesh Morphing

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Christopher P. Bowen, Jeffrey P. Bons
Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT33A004, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60224
https://doi.org/10.1115/GT2021-60224
View Paper titled, Enhancing Turbine Deposition Prediction Capability With Conjugate Mesh Morphing
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Topics: Accounting, Computation, Computational fluid dynamics, Computer software, Dust, Electrical conductivity, Flow (Dynamics), Fluids, Heat, Metal surfaces
Proceedings Papers

Methods for Measuring and Computing the Adiabatic-Wall Temperature

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James Peck, Jason Liu, Kenneth M. Bryden, Tom I-P. Shih
Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A004, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14169
https://doi.org/10.1115/GT2020-14169
View Paper titled, Methods for Measuring and Computing the Adiabatic-Wall Temperature
Open the PDF for Methods for Measuring and Computing the Adiabatic-Wall Temperature in another window
Topics: Film cooling, Temperature, Computational fluid dynamics, Flow (Dynamics), Convection, Engineering simulation, Errors, Flat plates, Heat flux, Heat transfer
Proceedings Papers

The Influence of Element Thermal Conductivity, Shape, and Density on Heat Transfer in a Rough Wall Turbulent Boundary Layer With Strong Pressure Gradients

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Christoph Gramespacher, Holger Albiez, Mattias Stripf, Hans-Jörg Bauer
Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT13A025, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15933
https://doi.org/10.1115/GT2020-15933
View Paper titled, The Influence of Element Thermal Conductivity, Shape, and Density on Heat Transfer in a Rough Wall Turbulent Boundary Layer With Strong Pressure Gradients
Open the PDF for The Influence of Element Thermal Conductivity, Shape, and Density on Heat Transfer in a Rough Wall Turbulent Boundary Layer With Strong Pressure Gradients in another window
Topics: Boundary layer turbulence, Density, Heat transfer, Pressure gradient, Shapes, Surface roughness, Thermal conductivity, Pressure, Additive manufacturing, Boundary layers
Proceedings Papers

The Effect of Wall Thermal Boundary Condition on Natural Convective Shutdown Cooling in a Gas Turbine

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Daniel D. Fahy, Peter Ireland
Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT13A026, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16008
https://doi.org/10.1115/GT2020-16008
View Paper titled, The Effect of Wall Thermal Boundary Condition on Natural Convective Shutdown Cooling in a Gas Turbine
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Topics: Cooling, Gas turbines, Thermal boundary layers, Heat transfer, Rotors, Temperature gradient, Annulus, Boundary layers, Convection, Cylinders
Proceedings Papers

The Effects of Specific Heat and Viscosity on Film Cooling Behavior

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Connor J. Wiese, James L. Rutledge
Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A050, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15253
https://doi.org/10.1115/GT2020-15253
View Paper titled, The Effects of Specific Heat and Viscosity on Film Cooling Behavior
Open the PDF for The Effects of Specific Heat and Viscosity on Film Cooling Behavior in another window
Topics: Film cooling, Specific heat, Viscosity, Density, Coolants, Gases, Cooling, Engines, Temperature, Thermal conductivity
Proceedings Papers

Design Framework for Optimized Multifunctional Coatings

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Nima Moazami, Frank Abdi, Gregory N. Morscher, Cody Godines, Larry Zawada, George Jefferson, Jalees Ahmed
Proc. ASME. GT2020, Volume 3: Ceramics; Coal, Biomass, Hydrogen, and Alternative Fuels, V003T02A004, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15068
https://doi.org/10.1115/GT2020-15068
View Paper titled, Design Framework for Optimized Multifunctional Coatings
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Topics: Coatings, Design, Durability, Modeling, Service life (Equipment), Thermal conductivity
Proceedings Papers

Analysis of Thermoacoustic Modes in Can-Annular Combustors Using Effective Bloch-Type Boundary Conditions

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Jakob G. R. von Saldern, Alessandro Orchini, Jonas P. Moeck
Proc. ASME. GT2020, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A036, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14665
https://doi.org/10.1115/GT2020-14665
View Paper titled, Analysis of Thermoacoustic Modes in Can-Annular Combustors Using Effective Bloch-Type Boundary Conditions
Open the PDF for Analysis of Thermoacoustic Modes in Can-Annular Combustors Using Effective Bloch-Type Boundary Conditions in another window
Topics: Boundary-value problems, Combustion chambers, Acoustics, Eigenvalues, Waves, Combustion systems, Compressors, Electrical conductivity, Flames, Frequency response
Proceedings Papers

An Experimentally Validated Low Order Model of the Thermal Response of Double-Wall Effusion Cooling Systems for HP Turbine Blades

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Alexander V. Murray, Peter T. Ireland, Eduardo Romero
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A010, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14603
https://doi.org/10.1115/GT2020-14603
View Paper titled, An Experimentally Validated Low Order Model of the Thermal Response of Double-Wall Effusion Cooling Systems for HP Turbine Blades
Open the PDF for An Experimentally Validated Low Order Model of the Thermal Response of Double-Wall Effusion Cooling Systems for HP Turbine Blades in another window
Topics: Boundary-value problems, Computational fluid dynamics, Cooling, Cooling systems, Design, Engineering simulation, Fluids, Gases, Geometry, Heat transfer coefficients