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Journal Articles

Numerical Investigation of CO and NO Production from Premixed Hydrogen/Methane Fuel Blends

Accepted Manuscript
Sanjana Singh, Hari Priya Rajagopalan, Benjamin Emerson, David Noble, Robert Steele, Tim Lieuwen
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1206
https://doi.org/10.1115/1.4066701
Published Online: September 28, 2024
View Article titled, Numerical Investigation of CO and NO Production from Premixed Hydrogen/Methane Fuel Blends
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Topics: Fuels, Hydrogen, Methane, Emissions, Nitrogen oxides, Combustion, Tradeoffs, Atoms, Carbon, Carbon dioxide
Journal Articles

Nonpremixed Approaches for Fuel Flexible, Low NOx Combustors in High-Efficiency Gas Turbines

Benjamin Emerson, Shivam J. Patel, Srujan Gubbi, Randal G. McKinney, David Wu, David R. Noble, Tim Lieuwen
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2025, 147(1): 011009.
Paper No: GTP-24-1330
https://doi.org/10.1115/1.4066238
Published Online: September 13, 2024
View Article titled, Nonpremixed Approaches for Fuel Flexible, Low NOx Combustors in High-Efficiency Gas Turbines
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Topics: Combustion chambers, Equilibrium (Physics), Fuels, Nitrogen oxides, Relaxation (Physics), Temperature, Combustion, Methane, Gas turbines
Proceedings Papers

Rich Ammonia Flame Shapes and No Relaxation: Facility Development and Characterization

Renee Cole, Srujan Gubbi, David Wu, Benjamin Emerson, David R. Noble, Robert Steele, Wenting Sun, Tim Lieuwen
Proc. ASME. GT2024, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A012, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122369
https://doi.org/10.1115/GT2024-122369
View Paper titled, Rich Ammonia Flame Shapes and No Relaxation: Facility Development and Characterization
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Topics: Emissions, Flames, Nitrogen oxides, Relaxation (Physics), Shapes
Proceedings Papers

Development and Evaluation of Additively Manufactured Sensors for Combustor Surface Temperature, Heat Flux and Strain Measurements

Aravind Chandh, Subodh Adhikari, David Wu, Tim Lieuwen, Benjamin Emerson
Proc. ASME. GT2024, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A001, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121136
https://doi.org/10.1115/GT2024-121136
View Paper titled, Development and Evaluation of Additively Manufactured Sensors for Combustor Surface Temperature, Heat Flux and Strain Measurements
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Topics: Additive manufacturing, Combustion chambers, Heat flux, Lasers, Metals, Sensors, Sintering, Strain gages, Strain measurement, Temperature
Proceedings Papers

The EPA Proposed Greenhouse Gas Standards: A Gas Turbine Fleet Impact Analysis

Christopher Perullo, James Harper, Michael Caravaggio, David Noble, Benjamin Emerson, Tim Lieuwen
Proc. ASME. GT2024, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T08A011, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128161
https://doi.org/10.1115/GT2024-128161
View Paper titled, The EPA Proposed Greenhouse Gas Standards: A Gas Turbine Fleet Impact Analysis
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Topics: Gas turbines, Greenhouse gases
Journal Articles

Evaluation of Minimum NO x Emission From Ammonia Combustion

Srujan Gubbi, Renee Cole, Ben Emerson, David Noble, Robert Steele, Wenting Sun, Tim Lieuwen
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2024, 146(3): 031023.
Paper No: GTP-23-1582
https://doi.org/10.1115/1.4064219
Published Online: January 3, 2024
View Article titled, Evaluation of Minimum NO x Emission From Ammonia Combustion
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Topics: Combustion, Combustion chambers, Emissions, Nitrogen oxides, Pressure, Temperature, Equilibrium (Physics), Fuels, Firing, Flames
Proceedings Papers

Second Edition: Assessment of Current Capabilities and Near-Term Availability of Hydrogen-Fired Gas Turbines Considering a Low-Carbon Future

Bobby M. Webb, Jim Harper, Robert Steele, David R. Noble, Benjamin Emerson, David Wu, Tim Lieuwen
Proc. ASME. GT2023, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T08A011, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103962
https://doi.org/10.1115/GT2023-103962
View Paper titled, Second Edition: Assessment of Current Capabilities and Near-Term Availability of Hydrogen-Fired Gas Turbines Considering a Low-Carbon Future
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Topics: Carbon, Combustion, Gas turbines, Hydrogen
Proceedings Papers

Evaluation of Minimum NO x Emission From Ammonia Combustion

Srujan Gubbi, Renee Cole, Ben Emerson, David Noble, Robert Steele, Wenting Sun, Tim Lieuwen
Proc. ASME. GT2023, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A072, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102599
https://doi.org/10.1115/GT2023-102599
View Paper titled, Evaluation of Minimum NO x Emission From Ammonia Combustion
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Topics: Combustion, Emissions, Nitrogen oxides
Proceedings Papers

Experimental Investigation of Broadband Noise Sources in a Swirl Stabilized RQL Combustor

Sungyoung Ha, Jananee Dhanasekaran, Archit Bapat, Amalique Acuna, Shivam Patel, Seunghyun Jo, David Wu, Benjamin Emerson, Adam Steinberg, Tim Lieuwen
Proc. ASME. GT2023, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A049, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102048
https://doi.org/10.1115/GT2023-102048
View Paper titled, Experimental Investigation of Broadband Noise Sources in a Swirl Stabilized RQL Combustor
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Topics: Chemiluminescence, Combustion chambers, Noise (Sound)
Proceedings Papers

High Speed OH PLIF Measurements of Combustor Effusion Films in a High Pressure, Liquid Fueled Combustor

Aravind Chandh, Shivam Patel, Oleksandr Bibik, Subodh Adhikari, David Wu, Reza Rezvani, Dustin Davis, Tim Lieuwen, Benjamin Emerson
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A050, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59306
https://doi.org/10.1115/GT2021-59306
View Paper titled, High Speed OH PLIF Measurements of Combustor Effusion Films in a High Pressure, Liquid Fueled Combustor
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Topics: Combustion chambers, Fluorescence, High pressure (Physics), Jets
Proceedings Papers

Combustor Wall Surface Temperature and Heat Flux Measurement Using a Fiber-Coupled Long Wave Infrared Hyperspectral Sensor

Aravind Chandh, Oleksandr Bibik, Subodh Adhikari, David Wu, Tim Lieuwen, Paul Hsu, Sukesh Roy, Ruth Sikorski, Benjamin Emerson
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A028, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58961
https://doi.org/10.1115/GT2021-58961
View Paper titled, Combustor Wall Surface Temperature and Heat Flux Measurement Using a Fiber-Coupled Long Wave Infrared Hyperspectral Sensor
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Topics: Combustion chambers, Fibers, Heat flux, High pressure (Physics), Sensors, Temperature, Waves
Proceedings Papers

Experimental Development of On-Line Flame Transfer Function Measurements for Fielded Gas Turbines

Austin Matthews, Anna Cobb, Subodh Adhikari, David Wu, Tim Lieuwen, Jim Blust, Benjamin Emerson
Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T09A006, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59317
https://doi.org/10.1115/GT2021-59317
View Paper titled, Experimental Development of On-Line Flame Transfer Function Measurements for Fielded Gas Turbines
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Topics: Flames, Gas turbines, Transfer functions
Journal Articles

Assessment of Current Capabilities and Near-Term Availability of Hydrogen-Fired Gas Turbines Considering a Low-Carbon Future

David Noble, David Wu, Benjamin Emerson, Scott Sheppard, Tim Lieuwen, Leonard Angello
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2021, 143(4): 041002.
Paper No: GTP-20-1428
https://doi.org/10.1115/1.4049346
Published Online: February 9, 2021
View Article titled, Assessment of Current Capabilities and Near-Term Availability of Hydrogen-Fired Gas Turbines Considering a Low-Carbon Future
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Topics: Carbon, Combustion, Fuels, Gas turbines, Hydrogen, Nitrogen oxides, Diffusion (Physics), Combustion chambers, Emissions
Proceedings Papers

Significance of the Direct Excitation Mechanism for High-Frequency Response of Premixed Flames to Flow Oscillations

Vishal Acharya, Tim Lieuwen
Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A001, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15230
https://doi.org/10.1115/GT2020-15230
View Paper titled, Significance of the Direct Excitation Mechanism for High-Frequency Response of Premixed Flames to Flow Oscillations
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Topics: Excitation, Flames, Flow (Dynamics), Oscillations, Fluctuations (Physics), Heat, Acoustics, Pressure, Axial flow, Nozzles
Proceedings Papers

Dynamics of Effusion Cooling Fluid in a Pressurized Swirl Combustor Flow

Aravind Chandh, Askar Kazbekov, Angie Zhang, Subodh Adhikari, David Wu, Ben Emerson, Reza Rezvani, William Proscia, Tim Lieuwen, Adam Steinberg
Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A029, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15939
https://doi.org/10.1115/GT2020-15939
View Paper titled, Dynamics of Effusion Cooling Fluid in a Pressurized Swirl Combustor Flow
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Topics: Combustion chambers, Cooling, Dynamics (Mechanics), Flow (Dynamics), Fluids, Fluorescence, Jets, Lasers, Nozzles, Film cooling
Proceedings Papers

Assessment of Current Capabilities and Near-Term Availability of Hydrogen-Fired Gas Turbines Considering a Low-Carbon Future

Benjamin Emerson, David Wu, Tim Lieuwen, Scott Sheppard, David Noble, Leonard Angello
Proc. ASME. GT2020, Volume 6: Education; Electric Power, V006T09A007, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15714
https://doi.org/10.1115/GT2020-15714
View Paper titled, Assessment of Current Capabilities and Near-Term Availability of Hydrogen-Fired Gas Turbines Considering a Low-Carbon Future
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Topics: Carbon, Combustion, Gas turbines, Hydrogen
Proceedings Papers

Investigation Into Advanced Combustion System Health Monitoring

David Noble, Leonard Angello, Scott Sheppard, Jared Kee, Benjamin Emerson, Tim Lieuwen
Proc. ASME. GT2019, Volume 3: Coal, Biomass, Hydrogen, and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems, V003T08A008, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91973
https://doi.org/10.1115/GT2019-91973
View Paper titled, Investigation Into Advanced Combustion System Health Monitoring
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Topics: Combustion systems, Combustion, Dynamics (Mechanics), Gas turbines, Combustion chambers, Maintenance, Pressure, Algorithms, Emissions, Energy industry
Journal Articles

The New Industrial Data Economy

Tim Lieuwen, Bobby Noble
Journal: Mechanical Engineering
Publisher: ASME
Article Type: Select Article
Mechanical Engineering. May 2019, 141(05): 38–41.
Paper No: ME-2019-MAY3
https://doi.org/10.1115/1.2019-MAY3
Published Online: May 1, 2019
View Article titled, The New Industrial Data Economy
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Topics: Computer security, Data privacy, Economics , Internet, Machine learning, Machinery
Journal Articles

Liquid Fuel Property Effects on Lean Blowout in an Aircraft Relevant Combustor

Nicholas Rock, Ianko Chterev, Benjamin Emerson, Sang Hee Won, Jerry Seitzman, Tim Lieuwen
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2019, 141(7): 071005.
Paper No: GTP-18-1499
https://doi.org/10.1115/1.4042010
Published Online: January 11, 2019
View Article titled, Liquid Fuel Property Effects on Lean Blowout in an Aircraft Relevant Combustor
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Topics: Fuels, Temperature, Combustion chambers
Proceedings Papers

Syngas Production and Combustion Turbine Operation With Hydrogen-Rich Fuel at the Kemper County IGCC

Matt Nelson, Pannalal Vimalchand, WanWang Peng, Tim Lieuwen, Diane Revay Madden, Paul Miller, Tim Pinkston, Steve Wilson
Proc. ASME. POWER2018, Volume 1: Fuels, Combustion, and Material Handling; Combustion Turbines Combined Cycles; Boilers and Heat Recovery Steam Generators; Virtual Plant and Cyber-Physical Systems; Plant Development and Construction; Renewable Energy Systems, V001T02A003, June 24–28, 2018
Publisher: American Society of Mechanical Engineers
Paper No: POWER2018-7173
https://doi.org/10.1115/POWER2018-7173
View Paper titled, Syngas Production and Combustion Turbine Operation With Hydrogen-Rich Fuel at the Kemper County IGCC
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Topics: Combustion, Fuels, Hydrogen, Integrated gasification combined cycle power stations, Syngas, Turbines, Design, Compressors, Fuel gasification, Carbon dioxide