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Proceedings Papers

Conventional Design to Design for Additive Manufacturing for Frame 5/1 Stage 1 Nozzle

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NIkunj Avaiya, Lorenzo Cocchi, Abhimanyu Soman, Girolamo Tripoli, Simone Colantoni, Babu Santhana Gopalakrishnan, Paolo Del Turco
Proc. ASME. GT2024, Volume 10A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing, V10AT23A010, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127568
https://doi.org/10.1115/GT2024-127568
View Paper titled, Conventional Design to Design for Additive Manufacturing for Frame 5/1 Stage 1 Nozzle
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Topics: Additive manufacturing, Design, Lasers, Melting, Metals, Nozzles
Proceedings Papers

Comparison of Ash Deposition Models in Gas Turbine Blade Rows for Alternative Solid Fuels With Low Ash Melting Temperatures

Open Access

Luis Wunder, Daniel Bernhardt, Michael Beckmann
Proc. ASME. GT2024, Volume 12B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V12BT31A002, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-123617
https://doi.org/10.1115/GT2024-123617
View Paper titled, Comparison of Ash Deposition Models in Gas Turbine Blade Rows for Alternative Solid Fuels With Low Ash Melting Temperatures
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Topics: Blades, Fuels, Gas turbines, Melting, Slags, Temperature, Viscosity
Proceedings Papers

Identification of Dynamic Force Coefficients for an Additively Manufactured Hermetic Squeeze Film Bearing Support Damper Utilizing a Pass-Through Channel

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Bugra Ertas, Keith Gary, Tom Adcock
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A038, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104108
https://doi.org/10.1115/GT2023-104108
View Paper titled, Identification of Dynamic Force Coefficients for an Additively Manufactured Hermetic Squeeze Film Bearing Support Damper Utilizing a Pass-Through Channel
Open the PDF for Identification of Dynamic Force Coefficients for an Additively Manufactured Hermetic Squeeze Film Bearing Support Damper Utilizing a Pass-Through Channel in another window
Topics: Additive manufacturing, Bearings, Dampers, Stiffness, Damping, Design, Fluid structure interaction, Computational fluid dynamics, Dynamic testing (Engineering), Finite element analysis
Proceedings Papers

Tuning Modal Behaviour of Additively Manufactured Lattice Structures

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Marco Beghini, Tommaso Grossi, Giuseppe Macoretta, Bernardo Disma Monelli, Ivan Senegaglia, Paolo del Turco, Andrea Fardelli, Francesco Morante
Proc. ASME. GT2023, Volume 11B: Structures and Dynamics — Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V11BT23A010, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103586
https://doi.org/10.1115/GT2023-103586
View Paper titled, Tuning Modal Behaviour of Additively Manufactured Lattice Structures
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Topics: Additive manufacturing, Design, Finite element analysis, Modeling, Lasers, Shapes, Stiffness, Boundary-value problems, Finite element methods, Finite element model
Proceedings Papers

Ceramic and Metal Additive Manufacturing of Monolithic Rotors From SiAlON and Inconel and Comparison of Aerodynamic Performance for 300W Scale Microturbines

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Lukas Badum, Thomas Prochaska, Martin Schwentenwein, Beni Cukurel
Proc. ASME. GT2023, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T02A001, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101198
https://doi.org/10.1115/GT2023-101198
View Paper titled, Ceramic and Metal Additive Manufacturing of Monolithic Rotors From SiAlON and Inconel and Comparison of Aerodynamic Performance for 300W Scale Microturbines
Open the PDF for Ceramic and Metal Additive Manufacturing of Monolithic Rotors From SiAlON and Inconel and Comparison of Aerodynamic Performance for 300W Scale Microturbines in another window
Topics: Additive manufacturing, Ceramics, Lasers, Manufacturing, Melting, Metals, Microturbines, Rotors, Turbomachinery
Proceedings Papers

Full Rejuvenation Heat Treatment of MGA 1400DS

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Hans van Esch, Stijn Pietersen, Wayne Greaves, Alex Bridges, John Scheibel
Proc. ASME. GT2023, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V008T17A007, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101741
https://doi.org/10.1115/GT2023-101741
View Paper titled, Full Rejuvenation Heat Treatment of MGA 1400DS
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Topics: Creep, Fatigue testing, Heat treating (Metalworking), Melting, Rupture, Stress, Superalloys
Proceedings Papers

A Numerical Analysis of Cross-Flow Reinforced Impingement Cooling With a U-Shaped Flow-Guide on the Hole Plate

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Robin G. Brakmann, Nina Brose, Francisco Carvalho, Safae Chargui, Roberto Guarino
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT15A003, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101097
https://doi.org/10.1115/GT2023-101097
View Paper titled, A Numerical Analysis of Cross-Flow Reinforced Impingement Cooling With a U-Shaped Flow-Guide on the Hole Plate
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Topics: Cross-flow, Flow (Dynamics), Impingement cooling, Numerical analysis, Cooling, Jets, Reynolds number, Shapes, Engineering simulation, Gas turbines
Proceedings Papers

Automatized Experimental Combustor Development Using Adaptive Surrogate Model-Based Optimization

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Johann Moritz Reumschüssel, Philipp Maximilian zur Nedden, Jakob G. R. von Saldern, Thoralf G. Reichel, Bernhard Ćosić, Christian Oliver Paschereit
Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A048, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81756
https://doi.org/10.1115/GT2022-81756
View Paper titled, Automatized Experimental Combustor Development Using Adaptive Surrogate Model-Based Optimization
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Topics: Combustion chambers, Optimization, Flames, Emissions, Fuels, Gas turbines, Nitrogen oxides, Stability, Valves, Artificial intelligence
Proceedings Papers

Internal Heat Transfer Measurement on Metal-Based Additively Manufactured Channels Using a Transient Technique

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Patrick Lüscher, Marin Deflorin, Manuel Voggesser, Peter Stuber, Vincent Galoul, Minseok Ko
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT13A004, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-79547
https://doi.org/10.1115/GT2022-79547
View Paper titled, Internal Heat Transfer Measurement on Metal-Based Additively Manufactured Channels Using a Transient Technique
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Topics: Additive manufacturing, Heat transfer, Metals, Transients (Dynamics), Cooling, Surface roughness, Design, Flow (Dynamics), Databases, Friction
Proceedings Papers

Analysis of Melting and Solidification Behavior in DED Laser Welding of Inconel 901

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Ehtesham Ali, Hwabhin Kwon, Je-Hyun Lee, Heesung Park
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT13A016, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82851
https://doi.org/10.1115/GT2022-82851
View Paper titled, Analysis of Melting and Solidification Behavior in DED Laser Welding of Inconel 901
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Topics: Laser welding, Lasers, Melting, Solidification, Temperature, Computer simulation, Computer software, Cooling, Simulation, Transients (Dynamics)
Proceedings Papers

Influence of Opposing Dilution Jets on Effusion Cooling

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M. Riley Creer, Karen A. Thole
Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT11A004, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59429
https://doi.org/10.1115/GT2021-59429
View Paper titled, Influence of Opposing Dilution Jets on Effusion Cooling
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Topics: Cooling, Jets, Momentum, Combustion chambers, Combustion, Temperature, Durability, Gas turbines, Melting, Pressure
Proceedings Papers

Influence of Turboshaft Engine Architecture on Ash Particle Deposition: Reduced Order Model Application

Open Access

Matthew Ellis, Nicholas Bojdo, Antonio Filippone
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT34A011, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15203
https://doi.org/10.1115/GT2020-15203
View Paper titled, Influence of Turboshaft Engine Architecture on Ash Particle Deposition: Reduced Order Model Application
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Topics: Engines, Particulate matter, Temperature, Flames, Combustion chambers, Computer simulation, Damage, Gas turbines, High pressure (Physics), Melting
Proceedings Papers

Numerical Simulation Model of Electrothermal De-Icing Process on Composite Substrate

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Xiaofeng Guo, Zhiqiang Guo, Qian Yang, Wei Dong
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT34A017, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16116
https://doi.org/10.1115/GT2020-16116
View Paper titled, Numerical Simulation Model of Electrothermal De-Icing Process on Composite Substrate
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Topics: Composite materials, Computer simulation, Deicing, Ice, Carbon reinforced plastics, Melting, Airfoils, Thermal properties, Fibers, Heat transfer
Proceedings Papers

LES-Verified RANS-Based Deterministic and Continuous Multiple-Objective Combustor Design Optimization

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Alejandro M. Briones, Timothy J. Erdmann, Brent A. Rankin
Proc. ASME. GT2020, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A001, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14034
https://doi.org/10.1115/GT2020-14034
View Paper titled, LES-Verified RANS-Based Deterministic and Continuous Multiple-Objective Combustor Design Optimization
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Topics: Combustion chambers, Design, Optimization, Reynolds-averaged Navier–Stokes equations, Pressure, Cavities, Engineering simulation, Simulation, Combustion, Heat
Proceedings Papers

Microstructure and Oxidation Behaviour of NGB and WGB Joints With Boron/Silicon Free Nickel Base Braze Alloys

Available to Purchase

Xiao Huang
Proc. ASME. GT2020, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V008T18A001, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14017
https://doi.org/10.1115/GT2020-14017
View Paper titled, Microstructure and Oxidation Behaviour of NGB and WGB Joints With Boron/Silicon Free Nickel Base Braze Alloys
Open the PDF for Microstructure and Oxidation Behaviour of NGB and WGB Joints With Boron/Silicon Free Nickel Base Braze Alloys in another window
Topics: Alloys, Boron, Brazing, Nickel, Oxidation, Silicon, Spallation (Nuclear physics), Temperature, Cavities, Cycles
Proceedings Papers

Proof of Concept for a Novel Interstage Injection Design in Axial Compressors

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T. Doerr, S. Braun, S. Schuster, D. Brillert
Proc. ASME. GT2020, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V008T17A005, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15807
https://doi.org/10.1115/GT2020-15807
View Paper titled, Proof of Concept for a Novel Interstage Injection Design in Axial Compressors
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Topics: Compressors, Design, Water, Blades, Compression, Evaporation, Gas turbines, Lasers, Melting, Melting point
Proceedings Papers

A Numerical Study on Conjugate Heat Transfer for Supercritical CO 2 Turbine Blade With Cooling Channels

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Akshay Khadse, Andres Curbelo, Ladislav Vesely, Jayanta S. Kapat
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T31A007, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14679
https://doi.org/10.1115/GT2020-14679
View Paper titled, A Numerical Study on Conjugate Heat Transfer for Supercritical CO 2 Turbine Blade With Cooling Channels
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Topics: Cooling, Heat transfer, Supercritical carbon dioxide, Turbine blades, Blades, Temperature, Turbines, Cascades (Fluid dynamics), Cycles, Brayton cycle
Proceedings Papers

Additively Manufactured Compliant Hybrid Gas Thrust Bearing for sCO 2 Turbomachinery: Experimental Evaluation and Fluid-Structure Model Predictions

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Bugra Ertas, Keith Gary, Adolfo Delgado
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A018, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14964
https://doi.org/10.1115/GT2020-14964
View Paper titled, Additively Manufactured Compliant Hybrid Gas Thrust Bearing for sCO 2 Turbomachinery: Experimental Evaluation and Fluid-Structure Model Predictions
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Topics: Additive manufacturing, Fluids, Thrust bearings, Turbomachinery, Stress, Bearings, Pressure, Hydrostatics, Thrust, Deflection
Proceedings Papers

Additively Manufactured Compliant Hybrid Gas Thrust Bearing for sCO 2 Turbomachinery: Design and Proof of Concept Testing

Available to Purchase

Bugra Ertas
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A017, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14959
https://doi.org/10.1115/GT2020-14959
View Paper titled, Additively Manufactured Compliant Hybrid Gas Thrust Bearing for sCO 2 Turbomachinery: Design and Proof of Concept Testing
Open the PDF for Additively Manufactured Compliant Hybrid Gas Thrust Bearing for sCO 2 Turbomachinery: Design and Proof of Concept Testing in another window
Topics: Additive manufacturing, Design, Testing, Thrust bearings, Turbomachinery, Bearings, Thrust, Deflection, Stiffness, Clearances (Engineering)
Proceedings Papers

Additive Manufacture of Prototype Turbine Blades for Hot-Fired Engine Performance Validation Trials

Available to Purchase

David Adair, Michael Kirka, Daniel Ryan
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T24A012, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90966
https://doi.org/10.1115/GT2019-90966
View Paper titled, Additive Manufacture of Prototype Turbine Blades for Hot-Fired Engine Performance Validation Trials
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Topics: Engineering prototypes, Engines, Turbine blades, Blades, Design, Solar energy, Manufacturing, Additive manufacturing, Disks, Gas turbines