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Proceedings Papers

Numerical Investigation on the Geometrical Scaling of Hydrogen Micromix Injectors

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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

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

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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

Pilot-Scale Testing of a Transcritical CO 2 -Based Pumped Thermal Energy Storage (PTES) System

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Timothy J. Held, Jason Miller, Jason Mallinak, Vamshi Avadhanula, Luke Magyar
Proc. ASME. GT2024, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T09A016, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129211
https://doi.org/10.1115/GT2024-129211
View Paper titled, Pilot-Scale Testing of a Transcritical CO 2 -Based Pumped Thermal Energy Storage (PTES) System
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Topics: Carbon dioxide, Testing, Thermal energy storage, Reservoirs, Cycles, Low temperature, Thermal energy, Fluids, Heat engines, Heat pumps
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
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Topics: Errors, Low temperature, Engines, Temperature, Thermal conductivity, Nickel alloys, Turbine components, Nickel, Superalloys, Testing
Proceedings Papers

Compressor Development for CO 2 -Based Pumped Thermal Energy Storage (PTES) Systems

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Timothy J. Held, Jason Miller, Kyle Sedlacko, Joshua Cameron, Scott Morris, Jeongseek Kang, Mark Turner
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A013, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124070
https://doi.org/10.1115/GT2024-124070
View Paper titled, Compressor Development for CO 2 -Based Pumped Thermal Energy Storage (PTES) Systems
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Topics: Carbon dioxide, Compressors, Thermal energy storage, Cycles, Design, Conceptual design, Pressure, Reservoirs, Engines, Fluid density
Proceedings Papers

Comparison of Geothermal Power Systems in Texas

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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

Integrated Design of a Variable Cycle Engine and Aircraft Thermal Management System

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Robert A. Clark, Jimmy Tai, Dimitri Mavris
Proc. ASME. GT2023, Volume 1: Aircraft Engine, V001T01A036, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103912
https://doi.org/10.1115/GT2023-103912
View Paper titled, Integrated Design of a Variable Cycle Engine and Aircraft Thermal Management System
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Topics: Aircraft, Cycles, Design, Engines, Thermal management, Compressors, Nozzles, Random-access memory, Exhaust systems, Geometry
Proceedings Papers

An Optimized Chemical Kinetic Mechanism for the Accurate Modelling of Low Temperature Combustion of Syngas and Methane

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Torsten Methling, Marleen Schmidt, Clemens Naumann, Markus Köhler
Proc. ASME. GT2023, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A020, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103069
https://doi.org/10.1115/GT2023-103069
View Paper titled, An Optimized Chemical Kinetic Mechanism for the Accurate Modelling of Low Temperature Combustion of Syngas and Methane
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Topics: Combustion, Compression, Low temperature, Machinery, Methane, Modeling, Optimization, Syngas
Proceedings Papers

High Altitude Relight Performance of Hydrogen-Air Micromix Combustion Systems

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Nicholas C. W. Treleaven, Stefano Puggelli, Renaud Mercier, Julien Leparoux, Xiaoxiao Sun, Bobby Sethi
Proc. ASME. GT2023, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A063, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103970
https://doi.org/10.1115/GT2023-103970
View Paper titled, High Altitude Relight Performance of Hydrogen-Air Micromix Combustion Systems
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Topics: Combustion systems, Hydrogen, Ignition, Chemistry, Ejectors, Flames, Fuels, Combustion chambers, Probability, Aircraft
Proceedings Papers

Feasibility of the Use of Thermal History Paints for Long Term Exposure of Low Temperature Life Critical Components

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Silvia Araguas Rodriguez, David Peral Jiménez, Christopher C. Pilgrim, John Scheibel, Jörg P. Feist
Proc. ASME. GT2023, Volume 4: Controls, Diagnostics, and Instrumentation, V004T05A015, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102277
https://doi.org/10.1115/GT2023-102277
View Paper titled, Feasibility of the Use of Thermal History Paints for Long Term Exposure of Low Temperature Life Critical Components
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Topics: Low temperature, Maintenance, Paints, Temperature measurement, Temperature, Disks, Durability, Rotors, Calibration, Creep
Proceedings Papers

An Experimental Investigation of Sweeping Air/Mist Jet Film Cooling Through a Row of Passive Fluidic Oscillators

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Ramy Abdelmaksoud, Ting Wang
Proc. ASME. GT2023, Volume 7A: Heat Transfer — Combustors; Film Cooling, V07AT12A002, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100427
https://doi.org/10.1115/GT2023-100427
View Paper titled, An Experimental Investigation of Sweeping Air/Mist Jet Film Cooling Through a Row of Passive Fluidic Oscillators
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Topics: Cooling, Film cooling, Gas turbines, Drops, Jets, Water, Additive manufacturing, Airfoils, Flow (Dynamics), Heat transfer
Proceedings Papers

Scaling Overall Effectiveness in Low Temperature Experiments

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Carol E. Bryant, James L. Rutledge
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT13A008, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102228
https://doi.org/10.1115/GT2023-102228
View Paper titled, Scaling Overall Effectiveness in Low Temperature Experiments
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Topics: Low temperature, Coolants, Engines, Computational fluid dynamics, Carbon dioxide, Cooling, Design, Fluids, Gases, Heat transfer coefficients
Proceedings Papers

Mass-Heat Coupling in Film Cooling Experiments — The Influence of Temperature and Turbulence on the Dufour Effect

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Connor J. Wiese, James L. Rutledge
Proc. ASME. GT2023, Volume 7A: Heat Transfer — Combustors; Film Cooling, V07AT12A006, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101638
https://doi.org/10.1115/GT2023-101638
View Paper titled, Mass-Heat Coupling in Film Cooling Experiments — The Influence of Temperature and Turbulence on the Dufour Effect
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Topics: Film cooling, Heat, Temperature, Turbulence, Coolants, Helium, Carbon dioxide, Cooling, Free stream turbulence, Gases
Proceedings Papers

Optimizing Internal Energy Streams in Micro Gas Turbines in Cogeneration Towards Flexible Heat-to-Power Ratio — Global Thermodynamic Performance Assessment and Specific Case Studies

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Ward De Paepe, Tom Clymans
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T16A008, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83427
https://doi.org/10.1115/GT2022-83427
View Paper titled, Optimizing Internal Energy Streams in Micro Gas Turbines in Cogeneration Towards Flexible Heat-to-Power Ratio — Global Thermodynamic Performance Assessment and Specific Case Studies
Open the PDF for Optimizing Internal Energy Streams in Micro Gas Turbines in Cogeneration Towards Flexible Heat-to-Power Ratio — Global Thermodynamic Performance Assessment and Specific Case Studies in another window
Topics: Combined heat and power, Heat, Internal energy (Physics), Micro gas turbines, Thermal energy, Exergy, High temperature, Low temperature, Steam, Boilers
Proceedings Papers

Metamodelling of Ignition Delay Time for Natural Gas Blends Under Gas Turbine Operating Conditions

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Sajjad Yousefian, Gilles Bourque, Rory F. D. Monaghan
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A014, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82269
https://doi.org/10.1115/GT2022-82269
View Paper titled, Metamodelling of Ignition Delay Time for Natural Gas Blends Under Gas Turbine Operating Conditions
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Topics: Gas turbines, Ignition delay, Metamodeling, Natural gas, Fuels, Combustion systems, Design, Approximation, Chaos, Computational fluid dynamics
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

Numerical Predictions of Cavitating Flow Within a Liquid Hydrogen Inducer

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Robert F. Blumenthal, Franklyn J. Kelecy
Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT34A035, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59751
https://doi.org/10.1115/GT2021-59751
View Paper titled, Numerical Predictions of Cavitating Flow Within a Liquid Hydrogen Inducer
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Topics: Cavitation, Flow (Dynamics), Hydrogen, Turbomachinery, Pumps, Computational fluid dynamics, Fluids, Temperature, Damage, Design
Proceedings Papers

Numerical Analysis of Non-Radial Blading in a Low Speed and Low Pressure Turbine for Electric Turbocompounding Applications

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Eva Alvarez-Regueiro, Esperanza Barrera-Medrano, Ricardo Martinez-Botas, Srithar Rajoo
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT37A017, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60239
https://doi.org/10.1115/GT2021-60239
View Paper titled, Numerical Analysis of Non-Radial Blading in a Low Speed and Low Pressure Turbine for Electric Turbocompounding Applications
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Topics: Numerical analysis, Pressure, Turbines, Design, Rotors, Blades, Computational fluid dynamics, Computer simulation, Fibers, Deformation
Proceedings Papers

Modeling and Testing of a Novel Ultra-Low Temperature sCO2 Opposing Piston Expander

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Joshua Schmitt, Jordan Nielson
Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A027, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60251
https://doi.org/10.1115/GT2021-60251
View Paper titled, Modeling and Testing of a Novel Ultra-Low Temperature sCO2 Opposing Piston Expander
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Topics: Modeling, Pistons, Temperature, Testing, Cycles, Brayton cycle, Cylinders, Cylinder tests (Concrete), Energy generation, Engines
Proceedings Papers

Design and Analysis of an Aircraft Thermal Management System Linked to a Low-Bypass Ratio Turbofan Engine

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Robert A. Clark, Mingxuan Shi, Jonathan Gladin, Dimitri Mavris
Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T01A006, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58942
https://doi.org/10.1115/GT2021-58942
View Paper titled, Design and Analysis of an Aircraft Thermal Management System Linked to a Low-Bypass Ratio Turbofan Engine
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Topics: Aircraft, Design, Engines, Thermal management, Turbofans, Stress, Cooling, Cycles, Heat, Flow (Dynamics)