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Jacqueline O’Connor
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Proceedings Papers

Impact of Central Piloting on the Static and Dynamic Stability of Swirl-Stabilized Flames

Daniel Doleiden, Ashwini Karmarkar, Jacqueline O’Connor, James Blust
Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A016, June 13–17, 2022
Paper No: GT2022-80226
https://doi.org/10.1115/GT2022-80226
View Paper titled, Impact of Central Piloting on the Static and Dynamic Stability of Swirl-Stabilized Flames
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Topics: Dynamic stability, Flames
Proceedings Papers

Energy and the University: The Role of Gas Turbines at US Universities and Strategies for Enhancing Energy Literacy

Erica Winegardner, Emma Lemay, Stephen Lynch, Karen A. Thole, Jacqueline O’Connor
Proc. ASME. GT2022, Volume 5: Education; Electric Power; Fans and Blowers, V005T08A006, June 13–17, 2022
Paper No: GT2022-83102
https://doi.org/10.1115/GT2022-83102
View Paper titled, Energy and the University: The Role of Gas Turbines at US Universities and Strategies for Enhancing Energy Literacy
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Topics: Gas turbines
Journal Articles

Describing the Mechanism of Instability Suppression Using a Central Pilot Flame With Coupled Experiments and Simulations

Jihang Li, Hyunguk Kwon, Drue Seksinsky, Daniel Doleiden, Jacqueline O'Connor, Yuan Xuan, Michel Akiki, James Blust
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2022, 144(1): 011015.
Paper No: GTP-21-1348
https://doi.org/10.1115/1.4052384
Published Online: October 18, 2021
View Article titled, Describing the Mechanism of Instability Suppression Using a Central Pilot Flame With Coupled Experiments and Simulations
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Topics: Flames, Flow (Dynamics), Simulation, Temperature, Combustion chambers
Journal Articles

Relative Effects of Velocity- and Mixture-Coupling in a Thermoacoustically Unstable, Partially Premixed Flame

Ashwini Karmarkar, Isaac Boxx, Jacqueline O'Connor
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2022, 144(1): 011003.
Paper No: GTP-21-1347
https://doi.org/10.1115/1.4052262
Published Online: October 12, 2021
View Article titled, Relative Effects of Velocity- and Mixture-Coupling in a Thermoacoustically Unstable, Partially Premixed Flame
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Topics: Flames, Flow (Dynamics), Fuels, Oscillations, Combustion chambers, Fluctuations (Physics)
Proceedings Papers

Describing the Mechanism of Instability Suppression Using a Central Pilot Flame With Coupled Experiments and Simulations

Jihang Li, Hyunguk Kwon, Drue Seksinsky, Daniel Doleiden, Jacqueline O’Connor, Yuan Xuan, Michel Akiki, James Blust
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A040, June 7–11, 2021
Paper No: GT2021-59117
https://doi.org/10.1115/GT2021-59117
View Paper titled, Describing the Mechanism of Instability Suppression Using a Central Pilot Flame With Coupled Experiments and Simulations
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Topics: Flames, Simulation, Combustion chambers, Oscillations, Combustion, Flow (Dynamics), Emissions, Gas turbines, Gases, Acoustics
Proceedings Papers

Relative Effects of Velocity- and Mixture-Coupling in a Thermoacoustically Unstable, Partially-Premixed Flame

Ashwini Karmarker, Jacqueline O’Connor, Isaac Boxx
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A039, June 7–11, 2021
Paper No: GT2021-59113
https://doi.org/10.1115/GT2021-59113
View Paper titled, Relative Effects of Velocity- and Mixture-Coupling in a Thermoacoustically Unstable, Partially-Premixed Flame
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Topics: Flames, Flow (Dynamics), Combustion chambers, Gas turbines, Oscillations, Combustion, Dynamics (Mechanics), Fluctuations (Physics), Fluorescence, Fuels
Journal Articles

Effect of Hydrogen on Steady-State and Transient Combustion Instability Characteristics

John Strollo, Stephen Peluso, Jacqueline O'Connor
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power. July 2021, 143(7): 071023.
Paper No: GTP-20-1456
https://doi.org/10.1115/1.4049481
Published Online: March 31, 2021
View Article titled, Effect of Hydrogen on Steady-State and Transient Combustion Instability Characteristics
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Topics: Combustion chambers, Flames, Hydrogen, Pressure, Steady state, Transients (Dynamics), Oscillations, Heat, Combustion, Dynamics (Mechanics)
Journal Articles

The Effect of the Degree of Premixedness on Self-Excited Combustion Instability

Adam Howie, Daniel Doleiden, Stephen Peluso, Jacqueline O'Connor
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power. July 2021, 143(7): 071024.
Paper No: GTP-20-1458
https://doi.org/10.1115/1.4049486
Published Online: March 31, 2021
View Article titled, The Effect of the Degree of Premixedness on Self-Excited Combustion Instability
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Topics: Combustion chambers, Flames, Fluctuations (Physics), Nozzles, Oscillations, Heat, Fuels, Pressure, Dynamics (Mechanics), Combustion
Proceedings Papers

Effect of Hydrogen on Steady-State and Transient Combustion Instability Characteristics

John Strollo, Stephen Peluso, Jacqueline O’Connor
Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A034, September 21–25, 2020
Paper No: GT2020-16041
https://doi.org/10.1115/GT2020-16041
View Paper titled, Effect of Hydrogen on Steady-State and Transient Combustion Instability Characteristics
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Topics: Combustion, Hydrogen, Steady state, Transients (Dynamics)
Proceedings Papers

Quantification of Variation in Combustion Instability Amplitude in a Multi-Nozzle Can Combustor

Seth Westfall, Olivia Sekulich, Wyatt Culler, Stephen Peluso, Jacqueline O’Connor
Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A035, September 21–25, 2020
Paper No: GT2020-16042
https://doi.org/10.1115/GT2020-16042
View Paper titled, Quantification of Variation in Combustion Instability Amplitude in a Multi-Nozzle Can Combustor
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Topics: Combustion, Combustion chambers, Nozzles, Oscillations, Pressure, Damping, Temperature, Fuels, Transients (Dynamics), Emissions
Proceedings Papers

The Effect of the Degree of Premixedness on Self-Excited Combustion Instability

Adam Howie, Daniel Doleiden, Stephen Peluso, Jacqueline O’Connor
Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A056, September 21–25, 2020
Paper No: GT2020-16192
https://doi.org/10.1115/GT2020-16192
View Paper titled, The Effect of the Degree of Premixedness on Self-Excited Combustion Instability
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Topics: Acoustics, Chemiluminescence, Combustion, Combustion chambers, Corners (Structural elements), Dynamics (Mechanics), Emissions, Feedback, Flames, Flow (Dynamics)
Proceedings Papers

The Effects of Exit Boundary Condition on Precessing Vortex Core Dynamics

Danielle Mason, Sean Clees, Mark Frederick, Jacqueline O’Connor
Proc. ASME. GT2019, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A009, June 17–21, 2019
Paper No: GT2019-91079
https://doi.org/10.1115/GT2019-91079
View Paper titled, The Effects of Exit Boundary Condition on Precessing Vortex Core Dynamics
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Topics: Boundary-value problems, Dynamics (Mechanics), Vortices, Combustion chambers, Flow (Dynamics), Swirling flow, Combustion, Flames, Acoustics, Bubbles
Proceedings Papers

Role of Turbulence in Precessing Vortex Core Dynamics

Ashwini Karmarkar, Mark Frederick, Sean Clees, Danielle Mason, Jacqueline O’Connor
Proc. ASME. GT2019, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A010, June 17–21, 2019
Paper No: GT2019-91095
https://doi.org/10.1115/GT2019-91095
View Paper titled, Role of Turbulence in Precessing Vortex Core Dynamics
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Topics: Dynamics (Mechanics), Turbulence, Vortices, Jitter, Flow (Dynamics), Fluctuations (Physics), Shear (Mechanics), Swirling flow, Eddies (Fluid dynamics), Flames
Proceedings Papers

Flame Edge Dynamics and Interaction in a Multi-Nozzle Can Combustor With Fuel Staging

Daniel Doleiden, Wyatt Culler, Ankit Tyagi, Stephen Peluso, Jacqueline O’Connor
Proc. ASME. GT2019, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A040, June 17–21, 2019
Paper No: GT2019-91656
https://doi.org/10.1115/GT2019-91656
View Paper titled, Flame Edge Dynamics and Interaction in a Multi-Nozzle Can Combustor With Fuel Staging
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Topics: Combustion chambers, Dynamics (Mechanics), Flames, Fuels, Nozzles, Oscillations, Combustion, Vortex shedding, Acoustics, Algorithms
Journal Articles

Flame Edge Dynamics and Interaction in a Multinozzle Can Combustor With Fuel Staging

Daniel Doleiden, Wyatt Culler, Ankit Tyagi, Stephen Peluso, Jacqueline O'Connor
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2019, 141(10): 101009.
Paper No: GTP-19-1352
https://doi.org/10.1115/1.4044230
Published Online: August 2, 2019
View Article titled, Flame Edge Dynamics and Interaction in a Multinozzle Can Combustor With Fuel Staging
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Topics: Combustion chambers, Dynamics (Mechanics), Flames, Fuels, Nozzles, Oscillations
Proceedings Papers

Comparison of Center Nozzle Staging to Outer Nozzle Staging in a Multi-Flame Combustor

Wyatt Culler, Xiaoling Chen, Stephen Peluso, Domenic Santavicca, Jacqueline O’Connor, David Noble
Proc. ASME. GT2018, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A024, June 11–15, 2018
Paper No: GT2018-75423
https://doi.org/10.1115/GT2018-75423
View Paper titled, Comparison of Center Nozzle Staging to Outer Nozzle Staging in a Multi-Flame Combustor
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Topics: Combustion chambers, Flames, Nozzles, Fuels, Bifurcation, Gas turbines, Hardware, Oscillations, Chemiluminescence, Combustion
Proceedings Papers

Comparison of Equivalence Ratio Transients on Combustion Instability in Single-Nozzle and Multi-Nozzle Combustors

Xiaoling Chen, Wyatt Culler, Stephen Peluso, Domenic Santavicca, Jacqueline O’Connor
Proc. ASME. GT2018, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A026, June 11–15, 2018
Paper No: GT2018-75427
https://doi.org/10.1115/GT2018-75427
View Paper titled, Comparison of Equivalence Ratio Transients on Combustion Instability in Single-Nozzle and Multi-Nozzle Combustors
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Topics: Combustion, Combustion chambers, Nozzles, Transients (Dynamics), Flames, Gas turbines, Heat, Fluctuations (Physics), Fuels, Air flow
Journal Articles

Impact of Precessing Vortex Core Dynamics on Shear Layer Response in a Swirling Jet

Mark Frederick, Kiran Manoharan, Joshua Dudash, Brian Brubaker, Santosh Hemchandra, Jacqueline O'Connor
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2018, 140(6): 061503.
Paper No: GTP-17-1429
https://doi.org/10.1115/1.4038324
Published Online: January 17, 2018
View Article titled, Impact of Precessing Vortex Core Dynamics on Shear Layer Response in a Swirling Jet
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Topics: Acoustics, Flow (Dynamics), Shear (Mechanics), Dynamics (Mechanics), Swirling flow, Vortices, Oscillations
Journal Articles

Effects of Fuel Molecular Weight on Emissions in a Jet Flame and a Model Gas Turbine Combustor

Anandkumar Makwana, Suresh Iyer, Milton Linevsky, Robert Santoro, Thomas Litzinger, Jacqueline O'Connor
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power. March 2018, 140(3): 031505.
Paper No: GTP-17-1347
https://doi.org/10.1115/1.4037928
Published Online: October 17, 2017
View Article titled, Effects of Fuel Molecular Weight on Emissions in a Jet Flame and a Model Gas Turbine Combustor
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Topics: Combustion chambers, Flames, Fuels, Gas turbines, Soot, Emissions
Journal Articles

The Effect of Fuel Staging on the Structure and Instability Characteristics of Swirl-Stabilized Flames in a Lean Premixed Multinozzle Can Combustor

Janith Samarasinghe, Wyatt Culler, Bryan D. Quay, Domenic A. Santavicca, Jacqueline O'Connor
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power. December 2017, 139(12): 121504.
Paper No: GTP-17-1247
https://doi.org/10.1115/1.4037461
Published Online: August 29, 2017
View Article titled, The Effect of Fuel Staging on the Structure and Instability Characteristics of Swirl-Stabilized Flames in a Lean Premixed Multinozzle Can Combustor
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Topics: Combustion chambers, Flames, Fuels, Pressure, Heat, Nozzles