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Proceedings Papers

Effect of Flare Angle in a Counter-Rotating Dual Radial Swirler on the Stability of a Swirl-Stabilized Flame

Darshan D. Rathod, Thirumalaikumaran S. K., Sonu Kumar, Pratikash Panda, Saptarshi Basu
Proc. ASME. GT2024, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A067, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129127
https://doi.org/10.1115/GT2024-129127
View Paper titled, Effect of Flare Angle in a Counter-Rotating Dual Radial Swirler on the Stability of a Swirl-Stabilized Flame
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Topics: Chemiluminescence, Combustion, Ejectors, Flames, Flares, Flow (Dynamics), Particle image velocimetry, Shear (Mechanics), Stability, Heat
Proceedings Papers

Evaluating Thin-Film Thermocouple Performance on Additively Manufactured Turbine Airfoils

Reid A. Berdanier, Margaret R. Nunn, Justin T. Brumberg, Michael D. Barringer, Scott Fishbone, Karen A. Thole
Proc. ASME. GT2024, Volume 4: Controls, Diagnostics, and Instrumentation, V004T05A017, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124155
https://doi.org/10.1115/GT2024-124155
View Paper titled, Evaluating Thin-Film Thermocouple Performance on Additively Manufactured Turbine Airfoils
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Topics: Additive manufacturing, Airfoils, Thermocouples, Thin films, Turbines, Sensors, Engines, Gas turbines, Hardware, Accuracy and precision
Proceedings Papers

Analysis of Flow Fields in a Steam Turbine Control Valve With One Chamber

Vaclav Slama, Bartolomej Rudas
Proc. ASME. GT2024, Volume 9: Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications; Steam Turbine, V009T20A004, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122777
https://doi.org/10.1115/GT2024-122777
View Paper titled, Analysis of Flow Fields in a Steam Turbine Control Valve With One Chamber
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Topics: Flow (Dynamics), Steam turbines, Valves, Computer simulation, Pressure, Computer software, Design, Diffusers, Geometry, Industrial research
Proceedings Papers

Adjoint Optimization of Non-Axisymmetric Endwall Contours to Reduce Losses in a High-Pressure Turbine

Austin Hendrickson, Spencer Sperling, Bao Nguyen, Richard Celestina, Jong Liu, Hakan Aksoy, Jeremy Nickol, Randall Mathison
Proc. ASME. GT2024, Volume 12B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V12BT30A047, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129375
https://doi.org/10.1115/GT2024-129375
View Paper titled, Adjoint Optimization of Non-Axisymmetric Endwall Contours to Reduce Losses in a High-Pressure Turbine
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Topics: Computational fluid dynamics, Gas turbines, High pressure (Physics), Optimization, Turbines, Flow (Dynamics), Geometry, Vortices, Computer software, Design
Proceedings Papers

A Digital Engineering Analysis of an Additively Manufactured Turbine Vane

Reid A. Berdanier, Leland Tien, Karen A. Thole
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT32A050, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128894
https://doi.org/10.1115/GT2024-128894
View Paper titled, A Digital Engineering Analysis of an Additively Manufactured Turbine Vane
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Topics: Additive manufacturing, Digital engineering, Turbines, Airfoils, Design, Industrial research, Manufacturing, Architecture, Computational fluid dynamics, Cooling
Proceedings Papers

The Effect of Progress Variable Definition on Hydrogen Containing Fuel Gas Turbine Combustion Simulation Prediction

Raghu Kancherla, David Giel, Gregory Vogel, Matthew Yaquinto
Proc. ASME. GT2023, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A051, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103664
https://doi.org/10.1115/GT2023-103664
View Paper titled, The Effect of Progress Variable Definition on Hydrogen Containing Fuel Gas Turbine Combustion Simulation Prediction
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Topics: Combustion, Gaseous fuels, Hydrogen, Simulation, Turbines, Flames, Carbon, Carbon dioxide, Combustion chambers, Combustion systems
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

Casing Treatment: Its Potential and Limitations

Sungho Yoon, Patricia Cargill
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A008, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80461
https://doi.org/10.1115/GT2022-80461
View Paper titled, Casing Treatment: Its Potential and Limitations
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Topics: Blades, Boundary layers, Compressors, Design, Durability, Dust, Flow (Dynamics), Ice, Industrial research, Leakage flows
Proceedings Papers

A Numerical Study on Conjugate Heat Transfer of Supercritical Carbon Dioxide Cooling in a Staggered Pin Fin Structure

Ryan J. Wardell, Marcel Otto, Matthew Smith, Erik Fernandez, Jayanta Kapat
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT15A015, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82044
https://doi.org/10.1115/GT2022-82044
View Paper titled, A Numerical Study on Conjugate Heat Transfer of Supercritical Carbon Dioxide Cooling in a Staggered Pin Fin Structure
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Topics: Cooling, Heat transfer, Supercritical carbon dioxide, Cycles, Fluids, Turbomachinery, Geometry, Temperature, Blades, Computer software
Proceedings Papers

Metallurgical Evaluation of an Additively Manufactured Nickel-Base Superalloy for Gas Turbine Guide Vanes

Alex Bridges, John Shingledecker, Alex Torkaman, Lonnie Houck
Proc. ASME. GT2020, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V008T18A005, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14808
https://doi.org/10.1115/GT2020-14808
View Paper titled, Metallurgical Evaluation of an Additively Manufactured Nickel-Base Superalloy for Gas Turbine Guide Vanes
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Topics: Additive manufacturing, Gas turbines, Guide vanes, Nickel, Superalloys, Creep, Grain size, Rupture, Alloys, Casting
Proceedings Papers

Numerical Investigation Into Fully and Partially Wetted Disk Geometries With Relevance to Intershaft Hydraulic Seals

Achinie Warusevitane, Kathy Johnson, Stephen Ambrose, Mike Walsh, Colin Young
Proc. ASME. GT2020, Volume 1: Aircraft Engine; Fans and Blowers, V001T01A025, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15121
https://doi.org/10.1115/GT2020-15121
View Paper titled, Numerical Investigation Into Fully and Partially Wetted Disk Geometries With Relevance to Intershaft Hydraulic Seals
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Topics: Disks, Flow (Dynamics), Annulus, Bearings, Fluids, Rotating disks, Aircraft engines, Computational fluid dynamics, Engines, Industrial research
Proceedings Papers

Optimal Control of a Compound Rotorcraft for Engine Performance Enhancement

Calum Scullion, Stavros Vouros, Ioannis Goulos, Devaiah Nalianda, Vassilios Pachidis
Proc. ASME. GT2020, Volume 1: Aircraft Engine; Fans and Blowers, V001T01A045, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16280
https://doi.org/10.1115/GT2020-16280
View Paper titled, Optimal Control of a Compound Rotorcraft for Engine Performance Enhancement
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Topics: Design, Engines, Optimal control, Rotors, Flight, Fuels, Aerodynamics, Aerospace industry, Combustion chambers, Control systems
Proceedings Papers

Experimental Assessment of a Sliding-Blade Inside-Out Ceramic Turbine

D. Thibault, P. K. Dubois, B. Picard, A. Landry-Blais, J.-S. Plante, M. Picard
Proc. ASME. GT2020, Volume 3: Ceramics; Coal, Biomass, Hydrogen, and Alternative Fuels, V003T02A005, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15137
https://doi.org/10.1115/GT2020-15137
View Paper titled, Experimental Assessment of a Sliding-Blade Inside-Out Ceramic Turbine
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Topics: Blades, Ceramics, Turbines, Reliability, Design, Engineering prototypes, Engines, Friction, Brayton cycle, Centrifugal force
Proceedings Papers

A Non-Uniformity Factor to Assess Fuel/Air Mixing Quality

Lei-Yong Jiang
Proc. ASME. GT2020, Volume 3: Ceramics; Coal, Biomass, Hydrogen, and Alternative Fuels, V003T03A001, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14116
https://doi.org/10.1115/GT2020-14116
View Paper titled, A Non-Uniformity Factor to Assess Fuel/Air Mixing Quality
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Topics: Fuels, Mixing quality, Temperature, Combustion, Combustion systems, Design, Emissions, Industrial research, Methane, Venturi tubes
Proceedings Papers

Hybrid Method Based on FV Concept for Lean Blowout Limits Predictions for Aero Engine Combustors With Low Inlet Temperature

Sun Lei, Huang Yong, Feng Xiang
Proc. ASME. GT2020, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A013, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14339
https://doi.org/10.1115/GT2020-14339
View Paper titled, Hybrid Method Based on FV Concept for Lean Blowout Limits Predictions for Aero Engine Combustors With Low Inlet Temperature
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Topics: Aircraft engines, Combustion chambers, Temperature, Flames, Flight, Fuels, Low temperature, Chemical kinetics, Combustion, Computer simulation
Proceedings Papers

Experimental Investigation of Innovative Cooling Schemes on an Additively Manufactured Engine Scale Turbine Nozzle Guide Vane

Mohammad A. Hossain, Ali Ameri, James W. Gregory, Jeffrey P. Bons
Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT13A023, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15707
https://doi.org/10.1115/GT2020-15707
View Paper titled, Experimental Investigation of Innovative Cooling Schemes on an Additively Manufactured Engine Scale Turbine Nozzle Guide Vane
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Topics: Additive manufacturing, Cooling, Engines, Nozzle guide vanes, Turbines, Design, Film cooling, Suction, Flow (Dynamics), Architecture
Proceedings Papers

3D Printing in Turbomachinery: Overview of Technologies, Applications and Possibilities for Industry 4.0

Vaclav Novotny, Jan Spale, Barbora Bryksi Stunova, Michal Kolovratnik, Monika Vitvarova, Petr Zikmund
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T24A021, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91849
https://doi.org/10.1115/GT2019-91849
View Paper titled, 3D Printing in Turbomachinery: Overview of Technologies, Applications and Possibilities for Industry 4.0
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Topics: Additive manufacturing, Turbomachinery, Manufacturing, Electrical measurement, Industrial research, Mass production, Metals, Plastic products, Testing
Proceedings Papers

Injector Design Space Exploration for an Ultra-Low NO x Hydrogen Micromix Combustion System

Parash Agarwal, Xiaoxiao Sun, Pierre Q. Gauthier, Vishal Sethi
Proc. ASME. GT2019, Volume 3: Coal, Biomass, Hydrogen, and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems, V003T03A013, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90833
https://doi.org/10.1115/GT2019-90833
View Paper titled, Injector Design Space Exploration for an Ultra-Low NO x Hydrogen Micromix Combustion System
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Topics: Combustion systems, Design, Ejectors, Hydrogen, Nitrogen oxides, Modeling, Emissions, Carbon, Combustion, Commercial air transport
Proceedings Papers

A Framework for Optimization of Hybrid Aircraft

Xin Zhao, Smruti Sahoo, Konstantinos Kyprianidis, Sharmila Sumsurooah, Giorgio Valente, Mohamed Rashed, Gaurang Vakil, Christopher Ian Hill, Claire Jacob, Andreas Gobbin, Andreas Bardenhagen, Katrin Prölss, Michael Sielemann, Jonatan Rantzer, Edward Ekstedt
Proc. ASME. GT2019, Volume 3: Coal, Biomass, Hydrogen, and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems, V003T06A012, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91335
https://doi.org/10.1115/GT2019-91335
View Paper titled, A Framework for Optimization of Hybrid Aircraft
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Topics: Aircraft, Optimization, Propulsion, Tradeoffs, Conceptual design, Design, Modeling, Electricity (Physics), Emissions, Energy resources
Proceedings Papers

NASA’s Role in Gas Turbine Technology Development: Accelerating Technical Progress via Collaboration Between Academia, Industry, and Government Agencies

Kenneth L. Suder
Proc. ASME. GT2019, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Honors and Awards, V001T50A001, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91539
https://doi.org/10.1115/GT2019-91539
View Paper titled, NASA’s Role in Gas Turbine Technology Development: Accelerating Technical Progress via Collaboration Between Academia, Industry, and Government Agencies
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Topics: Collaboration, Gas turbines, Governments, Technology development, NASA, Engines, Propulsion systems, Turbines, Computational fluid dynamics, Aeronautics