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Proceedings Papers

Thermodynamic Potential of Aluminum Oxide Ceramic Matrix Composite Application in the 1st Stage Vanes of Industrial Gas Turbines

Dieter Bohn, Johannes Götte, Karsten Kusterer, Yiou Liu
Proc. ASME. GT2024, Volume 13: Heat Transfer: General Interest / Additive Manufacturing Impacts on Heat Transfer; Wind Energy, V013T13A039, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128648
https://doi.org/10.1115/GT2024-128648
View Paper titled, Thermodynamic Potential of Aluminum Oxide Ceramic Matrix Composite Application in the 1st Stage Vanes of Industrial Gas Turbines
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Topics: Aluminum, Ceramic matrix composites, Composite materials, Cooling, Gas turbines, Industrial gases, Oxide ceramics, Thermodynamic potentials, Turbines, Cycles
Proceedings Papers

Numerical Investigation on the Geometrical Scaling of Hydrogen Micromix Injectors

Xiaoxiao Sun, Mohamed Morsy, Charith Wijesinghe, Gaurav Singh, Vishal Sethi, John Rimmer, Kenneth Young
Proc. ASME. GT2024, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T03A034, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128859
https://doi.org/10.1115/GT2024-128859
View Paper titled, Numerical Investigation on the Geometrical Scaling of Hydrogen Micromix Injectors
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Topics: Ejectors, Hydrogen, Design, Nitrogen oxides, Flames, Combustion chambers, Emissions, Heat, Pressure, Temperature distribution
Proceedings Papers

A Reactor-Network Framework to Model Performance and Emissions of a Longitudinally-Staged Combustion System for Carbon-Free Fuels

Harish S. Gopalakrishnan, Raj Maddipati, Andrea Gruber, Mirko R. Bothien, Konduri Aditya
Proc. ASME. GT2024, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A064, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129095
https://doi.org/10.1115/GT2024-129095
View Paper titled, A Reactor-Network Framework to Model Performance and Emissions of a Longitudinally-Staged Combustion System for Carbon-Free Fuels
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Topics: Carbon, Combustion systems, Emissions, Fuels, Hydrogen, Nitrogen oxides, Firing, Combustion chambers, Flames, Natural gas
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

Impact of Off-Design Performance of Turbines on Organic-Rankine Cycle Simulations for Solar-Power Applications

Erdal Yildirim, Stefan aus der Wiesche, Mehmet Azmi Aktacir
Proc. ASME. GT2024, Volume 5: Cycle Innovations, V005T06A024, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127198
https://doi.org/10.1115/GT2024-127198
View Paper titled, Impact of Off-Design Performance of Turbines on Organic-Rankine Cycle Simulations for Solar-Power Applications
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Topics: Cycles, Design, Organic Rankine cycle, Simulation, Solar power, Thermal efficiency, Turbines, Heat, Stress, Electric power generation
Proceedings Papers

Effect of Ceramic Matrix Composites on the Thermal Efficiency of a Power Generation Turbine

Ashrit Tayade, Stephen Lynch
Proc. ASME. GT2024, Volume 5: Cycle Innovations, V005T06A016, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125969
https://doi.org/10.1115/GT2024-125969
View Paper titled, Effect of Ceramic Matrix Composites on the Thermal Efficiency of a Power Generation Turbine
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Topics: Ceramic matrix composites, Cooling, Cycles, Energy generation, Thermal efficiency, Turbines
Proceedings Papers

Design and Performance Analysis of a Fuel Cell Propulsion System Driven by a Hydrogen-Fired Micro Gas-Turbine

Sebastian Lück, Jan Göing, Philipp Nachtigal, Dajan Mimic, Jens Friedrichs
Proc. ASME. GT2024, Volume 5: Cycle Innovations, V005T06A007, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124062
https://doi.org/10.1115/GT2024-124062
View Paper titled, Design and Performance Analysis of a Fuel Cell Propulsion System Driven by a Hydrogen-Fired Micro Gas-Turbine
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Topics: Design, Fuel cells, Gas turbines, Hydrogen, Propulsion systems, Waste heat, Aircraft, Weight (Mass), Anodes, Fuel consumption
Proceedings Papers

Modeling of Frictional Inter-Bristle Contact in Brush Seals With Shaft Radial Movements

Harry M. Phan, Michael J. Pekris, John W. Chew, Thomas J. Greenslade
Proc. ASME. GT2024, Volume 8: Heat Transfer: Internal Air Systems; Heat Transfer: Internal Cooling; Industrial and Cogeneration, V008T14A016, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127824
https://doi.org/10.1115/GT2024-127824
View Paper titled, Modeling of Frictional Inter-Bristle Contact in Brush Seals With Shaft Radial Movements
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Topics: Friction, Modeling, Clearances (Engineering), Leakage flows, Pressure, Wear, Compression, Computer simulation, Heat, Thermal efficiency
Proceedings Papers

Numerical Analysis of Multi-Stage Impingement Cooling Structure: Flow and Heat Transfer Characteristics

Pengfei Wang, Pei Wang, Jun Liu, Jiajie Liu, Qiang Du, Haoyang Liu, Zhiguo Wang, Haohan Wang
Proc. ASME. GT2024, Volume 8: Heat Transfer: Internal Air Systems; Heat Transfer: Internal Cooling; Industrial and Cogeneration, V008T15A023, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127541
https://doi.org/10.1115/GT2024-127541
View Paper titled, Numerical Analysis of Multi-Stage Impingement Cooling Structure: Flow and Heat Transfer Characteristics
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Topics: Flow (Dynamics), Heat transfer, Impingement cooling, Numerical analysis, Thermal efficiency
Proceedings Papers

Comparison of Geothermal Power Systems in Texas

Owen Pryor, Cole Replogle, Reese Roddy
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A047, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129331
https://doi.org/10.1115/GT2024-129331
View Paper titled, Comparison of Geothermal Power Systems in Texas
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Topics: Cycles, Geothermal engineering, Geothermal power, Architecture, Reservoirs, Energy generation, Flow (Dynamics), Fluids, Organic Rankine cycle, Temperature
Proceedings Papers

High Effectiveness Tip Cooling Using Inclined Slots

Macdonald Mutekwa, Joao Vieira, Maximilian G. Farfaras, John D. Coull, Marko Bacic, Peter T. Ireland
Proc. ASME. GT2024, Volume 12B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V12BT30A007, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121742
https://doi.org/10.1115/GT2024-121742
View Paper titled, High Effectiveness Tip Cooling Using Inclined Slots
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Topics: Cooling, Coolants, Design, Blades, Pressure, Turbines, Aerodynamics, Cascades (Fluid dynamics), Density, Engines
Proceedings Papers

Reducing the Energy Penalty of Retrofit Decarbonization in Combined Cycle Power Plants

Silvia Ravelli
Proc. ASME. GT2023, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T03A021, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103511
https://doi.org/10.1115/GT2023-103511
View Paper titled, Reducing the Energy Penalty of Retrofit Decarbonization in Combined Cycle Power Plants
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Topics: Carbon capture and storage, Carbon dioxide, Co-firing, Combined cycle power stations, Combined cycles, Combustion, Combustion systems, Emissions, Energy generation, Exhaust gas recirculation
Proceedings Papers

Numerical Analysis to Optimize and Study the Impact of Area Profiling on the Performance of a Rotating Detonation Engine

Piyush Raj, Joseph Meadows
Proc. ASME. GT2023, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A014, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102982
https://doi.org/10.1115/GT2023-102982
View Paper titled, Numerical Analysis to Optimize and Study the Impact of Area Profiling on the Performance of a Rotating Detonation Engine
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Topics: Combustion chambers, Computational fluid dynamics, Engines, Explosions, Numerical analysis, Optimization, Flow (Dynamics), Design, Experimental design, Pressure
Proceedings Papers

A New Concept for Improving the Efficiency of Gas Turbines for Power Plant Operation

Rupert Sunkler, Jean-Pierre Stalder
Proc. ASME. GT2023, Volume 5: Cycle Innovations, V005T06A004, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101445
https://doi.org/10.1115/GT2023-101445
View Paper titled, A New Concept for Improving the Efficiency of Gas Turbines for Power Plant Operation
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Topics: Gas turbines, Power stations, Compressors, Generators, Flow (Dynamics), Turbines, Pressure, Combustion chambers, Cycles, Aircraft engines
Proceedings Papers

A Semi-Empirical Model for Conceptual Turbine Vane Cooling Design and Optimization

Robin Schöffler, Clemens Grunwitz, Robin G. Brakmann
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT13A013, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103061
https://doi.org/10.1115/GT2023-103061
View Paper titled, A Semi-Empirical Model for Conceptual Turbine Vane Cooling Design and Optimization
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Topics: Cooling, Design, Optimization, Turbines, Coolants, Flow (Dynamics), Temperature distribution, Chain, Geometry, Aerodynamic flow
Proceedings Papers

Development and Testing of a Universal High Lift Power Turbine for the LM2500+ Engine

David Guerrero, Aspi Wadia, Francesco Bertini, Angel Elorriaga, Yonatan Lopez, Juan Paredes, Massimiliano Airaudo, Dion Duckett, Alfredo Ruiz
Proc. ASME. GT2023, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V008T16A006, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103655
https://doi.org/10.1115/GT2023-103655
View Paper titled, Development and Testing of a Universal High Lift Power Turbine for the LM2500+ Engine
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Topics: Engines, Gas turbines, Testing, Turbines, Design, Aircraft engines, Airfoils, Combustion chambers, Compressors, Emissions
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

The Effect of Trailing Edge Grid Resolution in Large-Eddy Simulations

Kenji Miki, Ali Ameri
Proc. ASME. GT2023, Volume 13B: Turbomachinery — Axial Flow Turbine Aerodynamics, V13BT30A014, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102276
https://doi.org/10.1115/GT2023-102276
View Paper titled, The Effect of Trailing Edge Grid Resolution in Large-Eddy Simulations
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Topics: Ceramic matrix composites, Large eddy simulation, Resolution (Optics), Blades, Pressure, Suction, Wakes, Alloys, Bubbles, Cascades (Fluid dynamics)
Proceedings Papers

Strategies for High-Accuracy Measurements of Stage Efficiency for a Cooled Turbine

Maria Rozman, Reid A. Berdanier, Michael D. Barringer, Karen A. Thole
Proc. ASME. GT2023, Volume 13B: Turbomachinery — Axial Flow Turbine Aerodynamics, V13BT30A002, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100642
https://doi.org/10.1115/GT2023-100642
View Paper titled, Strategies for High-Accuracy Measurements of Stage Efficiency for a Cooled Turbine
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Topics: Turbines, Uncertainty, Aerospace industry, Annulus, Aviation, Carbon, Computational methods, Emissions, Energy generation, Engines
Proceedings Papers

On the Effect of Purge Air on the Aerodynamic Performance of a State-of-the-Art Turbine-Rear-Frame Guide Vane

Malte Schien, Christian Wakelam, Mattia Graiff, Emil Göttlich, Andreas Marn
Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT33A003, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101915
https://doi.org/10.1115/GT2023-101915
View Paper titled, On the Effect of Purge Air on the Aerodynamic Performance of a State-of-the-Art Turbine-Rear-Frame Guide Vane
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Topics: Cavities, Guide vanes, Turbines, Turbomachinery, Fluids, Temperature, Flow (Dynamics), Pressure, Thermal efficiency, Aerodynamics