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Proceedings Papers

Ammonia and Ammonia/Hydrogen Mixtures Ignition Delay Times and Chemical Kinetic Model Validation at Gas Turbine Relevant Conditions

Michael Pierro, Christopher W. Dennis, Alex-Abraham Pothen, Nikolas Hulliger, Tyler Kelly, Matthew Fraze, Justin J. Urso, Ramees K. Rahman, Cory Kinney, Mark Winquist, John Vega, Ganesan Subbaraman, Robert Steele, Subith S. Vasu
Proc. ASME. GT2024, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T03A037, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129083
https://doi.org/10.1115/GT2024-129083
View Paper titled, Ammonia and Ammonia/Hydrogen Mixtures Ignition Delay Times and Chemical Kinetic Model Validation at Gas Turbine Relevant Conditions
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Topics: Fuels, Gas turbines, Hydrogen, Ignition delay, Model validation, Shock tubes
Proceedings Papers

Development of a Toroidal Jet-Stirred Reactor for Lean Blowoff and Emissions Studies of Ammonia-Hydrogen Mixtures

David Zamora, Marzuqa Ahmed, Guillermo Barrios Cadenas, Amanda Maia, Priyankar Garai, Shahzad Bobi, Ramees K. Rahman, Justin Urso, Subith S. Vasu
Proc. ASME. GT2024, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T03A014, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124109
https://doi.org/10.1115/GT2024-124109
View Paper titled, Development of a Toroidal Jet-Stirred Reactor for Lean Blowoff and Emissions Studies of Ammonia-Hydrogen Mixtures
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Topics: Design, Emissions, Hydrogen
Proceedings Papers

Multi-Objective Optimization and Chemical Reactor Network Modelling to Estimate the Minimum NO x and Ammonia Slip in an Aviation Combustor

Shahzad Bobi, Priyankar Garai, Ramees K. Rahman, David Zamora, Marzuqa Ahmed, Subith S. Vasu
Proc. ASME. GT2024, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T03A035, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128997
https://doi.org/10.1115/GT2024-128997
View Paper titled, Multi-Objective Optimization and Chemical Reactor Network Modelling to Estimate the Minimum NO x and Ammonia Slip in an Aviation Combustor
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Topics: Aviation, Combustion, Combustion chambers, Emissions, Hydrogen, Modeling, Nitrogen oxides, Pareto optimization
Proceedings Papers

Investigation of NOx and Ammonia Slip in an Ammonia and Hydrogen Powered Aviation Gas Turbine Using Chemical Reactor Network Modelling

Priyankar Garai, Shahzad Bobi, Ramees K. Rahman, David Zamora, Marzuqa Ahmed, Justin Urso, Subith S. Vasu
Proc. ASME. GT2024, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A014, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122543
https://doi.org/10.1115/GT2024-122543
View Paper titled, Investigation of NOx and Ammonia Slip in an Ammonia and Hydrogen Powered Aviation Gas Turbine Using Chemical Reactor Network Modelling
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Topics: Aviation, Combustion, Gas turbines, Hydrogen, Modeling, Nitrogen oxides, Fuels, Combustion chambers, Emissions, Engineering simulation
Proceedings Papers

Laminar Burning Speed Measurements of Hydrogen/Natural Gas Mixtures at 10 atm

Ahmed F. Safdari, Louis Yovino, Gihun Kim, Ramees K. Rahman, Subith S. Vasu
Proc. ASME. GT2024, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A066, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129124
https://doi.org/10.1115/GT2024-129124
View Paper titled, Laminar Burning Speed Measurements of Hydrogen/Natural Gas Mixtures at 10 atm
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Topics: Combustion, Hydrogen, Natural gas
Proceedings Papers

An Optimized and Reduced Chemical Kinetic Model for CFD Simulations of Hydrogen and Natural Gas Blends Combustion for Industrial Gas Turbines

Ramees K. Rahman, Raghu Kancherla, Gregory Vogel, Subith S. Vasu
Proc. ASME. GT2024, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A058, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128989
https://doi.org/10.1115/GT2024-128989
View Paper titled, An Optimized and Reduced Chemical Kinetic Model for CFD Simulations of Hydrogen and Natural Gas Blends Combustion for Industrial Gas Turbines
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Topics: Combustion, Computational fluid dynamics, Engineering simulation, Hydrogen, Industrial gases, Natural gas, Nitrogen oxides, Simulation, Turbines
Proceedings Papers

Development of Detailed and Reduced Chemical Kinetic Models for Ammonia Combustion Under Gas Turbine Operating Conditions

Ramees K. Rahman, Michael Pierro, Mark Winquist, Ganesan Subbaraman, Wenting Sun, Robert Steele, John Vega, Subith S. Vasu
Proc. ASME. GT2024, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A075, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129277
https://doi.org/10.1115/GT2024-129277
View Paper titled, Development of Detailed and Reduced Chemical Kinetic Models for Ammonia Combustion Under Gas Turbine Operating Conditions
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Topics: Combustion, Gas turbines, Hydrogen
Proceedings Papers

Extended Testing of the Auto-Ignition Characteristics of Hydrogen-Natural Gas Mixtures for the Safety of Power Plants

Christopher Loving, Garrett Mastantuono, Subith S. Vasu, Scott Cloyd, Travis Pigon, Angel Hernandez, Gihun Kim, Ramees Khaleel
Proc. ASME. GT2024, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T08A012, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129504
https://doi.org/10.1115/GT2024-129504
View Paper titled, Extended Testing of the Auto-Ignition Characteristics of Hydrogen-Natural Gas Mixtures for the Safety of Power Plants
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Topics: Hydrogen, Ignition, Natural gas, Power stations, Safety, Testing
Proceedings Papers

Real Gas Effects on Autoignition Delay and Laminar Flame Speed Predictions for Direct-Fire sCO2 Combustion

Cory Kinney, Carlos Velez, Scott Martin, Annalisa Forte, Pier Carlo Nassini, Alessandro Zucca, Subith S. Vasu
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A039, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129111
https://doi.org/10.1115/GT2024-129111
View Paper titled, Real Gas Effects on Autoignition Delay and Laminar Flame Speed Predictions for Direct-Fire sCO2 Combustion
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Topics: Combustion, Delays, Diffusion flames, Equations of state, Fire, Flames, Modeling, Natural gas, Supercritical carbon dioxide
Journal Articles

Ignition Delay Times and Chemical Kinetic Model Validation for Hydrogen and Ammonia Blending With Natural Gas at Gas Turbine Relevant Conditions

Michael Pierro, Justin J. Urso, Ramees K. Rahman, Christopher W. Dennis, Marley A. Albright, Jonathan McGaunn, Cory Kinney, Subith S. Vasu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2024, 146(6): 061010.
Paper No: GTP-23-1434
https://doi.org/10.1115/1.4063789
Published Online: January 4, 2024
View Article titled, Ignition Delay Times and Chemical Kinetic Model Validation for Hydrogen and Ammonia Blending With Natural Gas at Gas Turbine Relevant Conditions
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Topics: Fuels, Gas turbines, Hydrogen, Ignition, Ignition delay, Model validation, Natural gas, Sensitivity analysis, Shock tubes, Temperature
Proceedings Papers

Flame Speed Measurements of Ammonia-Hydrogen Mixtures for Gas-Turbines

Louis Yovino, Gihun Kim, Ramees K. Rahman, Michael Pierro, Subith S. Vasu, Mark Winquist, Ganesan Subbaraman, Robert Steele
Proc. ASME. GT2023, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T03A004, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100998
https://doi.org/10.1115/GT2023-100998
View Paper titled, Flame Speed Measurements of Ammonia-Hydrogen Mixtures for Gas-Turbines
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Topics: Combustion, Flames, Gas turbines, Hydrogen
Proceedings Papers

Hydrogen and Ammonia Blending With Natural Gas: Ignition Delay Times and Chemical Kinetic Model Validation at Gas Turbine Relevant Conditions

Michael Pierro, Justin Urso, Ramees K. Rahman, Christopher Dennis, Marley Albright, Jonathan McGaunn, Cory Kinney, Subith S. Vasu
Proc. ASME. GT2023, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A008, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100992
https://doi.org/10.1115/GT2023-100992
View Paper titled, Hydrogen and Ammonia Blending With Natural Gas: Ignition Delay Times and Chemical Kinetic Model Validation at Gas Turbine Relevant Conditions
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Topics: Gas turbines, Hydrogen, Ignition delay, Model validation, Natural gas, Shock tubes
Proceedings Papers

Laminar Burning Speed Measurements of Hydrogen/Natural Gas Mixtures

Louis Yovino, Gihun Kim, Ramees Khaleel Rahman, Subith S. Vasu
Proc. ASME. GT2023, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A013, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102892
https://doi.org/10.1115/GT2023-102892
View Paper titled, Laminar Burning Speed Measurements of Hydrogen/Natural Gas Mixtures
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Topics: Combustion, Flames, Hydrogen, Natural gas
Proceedings Papers

Auto-Ignition Test Results of Hydrogen and Natural Gas Fuels at Atmospheric And Elevated Pressures for Gas Turbine Safety

Christopher Loving, Garrett Mastantuono, Anthony C. Terracciano, Subith S. Vasu, Travis Pigon, Angel Hernandez, Scott Cloyd
Proc. ASME. GT2023, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A002, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102674
https://doi.org/10.1115/GT2023-102674
View Paper titled, Auto-Ignition Test Results of Hydrogen and Natural Gas Fuels at Atmospheric And Elevated Pressures for Gas Turbine Safety
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Topics: Fuels, Gas turbines, Hydrogen, Ignition, Natural gas, Safety
Proceedings Papers

High-Fuel Loading Ignition Delay Time Characterization of Hydrogen/Natural Gas/Ammonia at Gas Turbine-Relevant Conditions Inside a High-Pressure Shock Tube

Michael Pierro, Justin Urso, Cory Kinney, Shubham Kesharwani, Jonathan McGaunn, Christopher Dennis, Subith S. Vasu
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A002, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82069
https://doi.org/10.1115/GT2022-82069
View Paper titled, High-Fuel Loading Ignition Delay Time Characterization of Hydrogen/Natural Gas/Ammonia at Gas Turbine-Relevant Conditions Inside a High-Pressure Shock Tube
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Topics: Fuels, High pressure (Physics), Hydrogen, Ignition delay, Natural gas, Shock tubes, Turbines
Proceedings Papers

Laminar Flame Speed Measurements of Hydrogen/Natural Gas Mixtures for Gas Turbine Applications

Gihun Kim, Ritesh Ghorpade, Subith S. Vasu
Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T03A005, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58870
https://doi.org/10.1115/GT2021-58870
View Paper titled, Laminar Flame Speed Measurements of Hydrogen/Natural Gas Mixtures for Gas Turbine Applications
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Topics: Combustion, Flames, Gas turbines, Hydrogen, Natural gas
Proceedings Papers

Capturing the Effects of NO x and SO x Impurities on Oxy-Combustion Under Supercritical CO 2 Conditions for Coal-Derived Syngas and Natural Gas Mixtures

Ramees K. Rahman, Samuel Barak, K. R. V. (Raghu) Manikantachari, Erik Ninnemann, Ashvin Hosangadi, Andrea Zambon, Subith S. Vasu
Proc. ASME. GT2020, Volume 3: Ceramics; Coal, Biomass, Hydrogen, and Alternative Fuels, V003T03A004, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14337
https://doi.org/10.1115/GT2020-14337
View Paper titled, Capturing the Effects of NO x and SO x Impurities on Oxy-Combustion Under Supercritical CO 2 Conditions for Coal-Derived Syngas and Natural Gas Mixtures
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Topics: Coal, Combustion, Natural gas, Nitrogen oxides, Supercritical carbon dioxide, Syngas, Combustion chambers, High pressure (Physics), Methane, Carbon dioxide
Proceedings Papers

Ignition Behavior of Oxy-Methane With High Fuel Loading and CO 2 Dilution in a Shock Tube

Andrew R. Laich, Jessica Baker, Erik Ninnemann, Clayton Sigler, Clemens Naumann, Marina Braun-Unkhoff, Subith S. Vasu
Proc. ASME. GT2020, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A012, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14338
https://doi.org/10.1115/GT2020-14338
View Paper titled, Ignition Behavior of Oxy-Methane With High Fuel Loading and CO 2 Dilution in a Shock Tube
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Topics: Carbon dioxide, Explosions, Fuels, Ignition, Methane, Shock tubes
Proceedings Papers

Measurements of Density and Sound Speed in Mixtures Relevant to sCO 2 Power Cycles

Suhyeon Park, Justin Urso, K. R. V. (Raghu) Manikantachari, Ashvin Hosangadi, Andrea Zambon, Subith S. Vasu
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T31A003, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14335
https://doi.org/10.1115/GT2020-14335
View Paper titled, Measurements of Density and Sound Speed in Mixtures Relevant to sCO 2 Power Cycles
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Topics: Density, Supercritical carbon dioxide, Thermodynamic power cycles
Proceedings Papers

Influence of Equation-of-States on Supercritical CO2 Combustion

K. R. V. (Raghu) Manikantachari, Scott M. Martin, Ramees K. Rahman, Carlos Velez, Subith S. Vasu
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T31A020, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16284
https://doi.org/10.1115/GT2020-16284
View Paper titled, Influence of Equation-of-States on Supercritical CO2 Combustion
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Topics: Combustion, Supercritical carbon dioxide, Modeling, Simulation, Combustion chambers, Cycles, Flames, Carbon capture and storage, Compressibility, Density