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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
Journal Articles

Validation and Assessment of a Hybrid VOF-Lagrangian Numerical Methodology for Turbulent Liquid Fuel Jets in High-Speed Crossflow

Malika Zghal, Pierre Gauthier, Xiaoxiao Sun, Charith Wijesinghe, Vishal Sethi
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2024, 146(8): 081007.
Paper No: GTP-23-1622
https://doi.org/10.1115/1.4064218
Published Online: February 1, 2024
View Article titled, Validation and Assessment of a Hybrid VOF-Lagrangian Numerical Methodology for Turbulent Liquid Fuel Jets in High-Speed Crossflow
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Topics: Drops, Fuels, Jets, Sprays, Trajectories (Physics), Turbulence, Fluids, Particulate matter, Surface mount devices
Proceedings Papers

High Altitude Relight Performance of Hydrogen-Air Micromix Combustion Systems

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

Numerical Investigation Into the Impact of Operating Boundary Conditions on NOx Formation in Hydrogen Micromix Combustion System

Gaurav Singh, Malika Zghal, Xiaoxiao Sun, Pierre Gauthier, Vishal Sethi
Proc. ASME. GT2023, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T03A019, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103111
https://doi.org/10.1115/GT2023-103111
View Paper titled, Numerical Investigation Into the Impact of Operating Boundary Conditions on NOx Formation in Hydrogen Micromix Combustion System
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Topics: Boundary-value problems, Combustion systems, Emissions, Hydrogen, Nitrogen oxides
Proceedings Papers

Validation and Assessment of a Hybrid VOF-Lagrangian Numerical Methodology for Turbulent Liquid Fuel Jets in High-Speed Crossflow

Malika Zghal, Pierre Gauthier, Xiaoxiao Sun, Charith Wijesinghe, Vishal Sethi
Proc. ASME. GT2023, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T03A015, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102316
https://doi.org/10.1115/GT2023-102316
View Paper titled, Validation and Assessment of a Hybrid VOF-Lagrangian Numerical Methodology for Turbulent Liquid Fuel Jets in High-Speed Crossflow
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Topics: Computational fluid dynamics, Fluids, Fuels, Gas turbines, Jets, Turbulence
Proceedings Papers

Sensitivity Study on Species Diffusion Models in Turbulent Combustion of Hydrogen/air Jet in Crossflow Structure

Xiaoxiao Sun, Harry Martin, Pierre Gauthier, Bobby Sethi
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T03A018, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83097
https://doi.org/10.1115/GT2022-83097
View Paper titled, Sensitivity Study on Species Diffusion Models in Turbulent Combustion of Hydrogen/air Jet in Crossflow Structure
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Topics: Air jets, Combustion, Diffusion (Physics), Hydrogen, Turbulence, Flames, Reynolds-averaged Navier–Stokes equations, Flamelet generated manifold, Functionally graded materials, Temperature
Proceedings Papers

Validation and Assessment of a Numerical Methodology for Turbulent Liquid Fuel Jets in High-Speed Crossflow

Malika Zghal, Xiaoxiao Sun, Pierre Gauthier, Vishal Sethi
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T03A019, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83166
https://doi.org/10.1115/GT2022-83166
View Paper titled, Validation and Assessment of a Numerical Methodology for Turbulent Liquid Fuel Jets in High-Speed Crossflow
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Topics: Computational fluid dynamics, Fuels, Gas turbines, Jets, Turbulence
Proceedings Papers

Numerical Investigation of Potential Cause of Instabilities in a Hydrogen Micromix Injector Array

Xiaoxiao Sun, David Abbott, Abhay Vir Singh, Pierre Gauthier, Bobby Sethi
Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T03A012, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59842
https://doi.org/10.1115/GT2021-59842
View Paper titled, Numerical Investigation of Potential Cause of Instabilities in a Hydrogen Micromix Injector Array
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Topics: Combustion, Ejectors, Hydrogen
Proceedings Papers

Thermoacoustic Behaviour of a Hydrogen Micromix Aviation Gas Turbine Combustor Under Typical Flight Conditions

David Abbot, Alessandro Giannotta, Xiaoxiao Sun, Pierre Gauthier, Vishal Sethi
Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T03A013, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59844
https://doi.org/10.1115/GT2021-59844
View Paper titled, Thermoacoustic Behaviour of a Hydrogen Micromix Aviation Gas Turbine Combustor Under Typical Flight Conditions
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Topics: Aviation, Combustion, Combustion chambers, Flight, Gas turbines, Hydrogen
Proceedings Papers

Numerical Studies of Novel Aero Engine Secondary Combustors for Low-NOx Emissions

Andrew Rolt, Victor Martínez Bueno, Mirko Romanelli, Xiaoxiao Sun, Pierre Gauthier, Vishal Sethi, Cesar Celis
Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A042, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16081
https://doi.org/10.1115/GT2020-16081
View Paper titled, Numerical Studies of Novel Aero Engine Secondary Combustors for Low-NOx Emissions
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Topics: Aircraft engines, Combustion chambers, Emissions, Nitrogen oxides
Proceedings Papers

Characterising Hydrogen Micromix Flames: Combustion Model Calibration and Evaluation

Marcos López-Juárez, Xiaoxiao Sun, Bobby Sethi, Pierre Gauthier, David Abbott
Proc. ASME. GT2020, Volume 3: Ceramics; Coal, Biomass, Hydrogen, and Alternative Fuels, V003T03A008, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14893
https://doi.org/10.1115/GT2020-14893
View Paper titled, Characterising Hydrogen Micromix Flames: Combustion Model Calibration and Evaluation
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Topics: Calibration, Combustion, Flamelet generated manifold, Flames, Functionally graded materials, Hydrogen
Proceedings Papers

Numerical Investigation Into the Impact of Injector Geometrical Design Parameters on Hydrogen Micromix Combustion Characteristics

Xiaoxiao Sun, Parash Agarwal, Francesco Carbonara, David Abbott, Pierre Gauthier, Bobby Sethi
Proc. ASME. GT2020, Volume 3: Ceramics; Coal, Biomass, Hydrogen, and Alternative Fuels, V003T03A015, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16084
https://doi.org/10.1115/GT2020-16084
View Paper titled, Numerical Investigation Into the Impact of Injector Geometrical Design Parameters on Hydrogen Micromix Combustion Characteristics
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Topics: Combustion, Design, Ejectors, Hydrogen
Proceedings Papers

Injector Design Space Exploration for an Ultra-Low NO x Hydrogen Micromix Combustion System

Parash Agarwal, Xiaoxiao Sun, Pierre Q. Gauthier, Vishal Sethi
Proc. ASME. GT2019, Volume 3: Coal, Biomass, Hydrogen, and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems, V003T03A013, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90833
https://doi.org/10.1115/GT2019-90833
View Paper titled, Injector Design Space Exploration for an Ultra-Low NO x Hydrogen Micromix Combustion System
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Topics: Combustion systems, Design, Ejectors, Hydrogen, Nitrogen oxides, Modeling, Emissions, Carbon, Combustion, Commercial air transport
Proceedings Papers

Comparison of Hydrogen Micromix Flame Transfer Functions Determined Using RANS and LES

Jonathan McClure, David Abbott, Parash Agarwal, Xiaoxiao Sun, Giulia Babazzi, Vishal Sethi, Pierre Gauthier
Proc. ASME. GT2019, Volume 3: Coal, Biomass, Hydrogen, and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems, V003T03A009, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90538
https://doi.org/10.1115/GT2019-90538
View Paper titled, Comparison of Hydrogen Micromix Flame Transfer Functions Determined Using RANS and LES
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Topics: Flames, Hydrogen, Reynolds-averaged Navier–Stokes equations, Transfer functions, Combustion systems, Computational fluid dynamics, Combustion chambers, Acoustics, Design, Diffusion flames
Journal Articles

Design and Transmission Error Analysis of CBR Reducer

Xiaoxiao Sun, Liang Han, Jian Wang
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research-Article
J. Mech. Des. August 2019, 141(8): 082301.
Paper No: MD-18-1910
https://doi.org/10.1115/1.4043368
Published Online: April 16, 2019
View Article titled, Design and Transmission Error Analysis of CBR Reducer
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Topics: Design, Errors, Gears, Error analysis, Torque
Proceedings Papers

Preliminary CFD Study on the Effect of Fuel Injector Coking on Fuel Spray Characteristics

Parash Agarwal, Vishal Sethi, Pierre Q. Gauthier, Xiaoxiao Sun, Yize Liu
Proc. ASME. GTINDIA2017, Volume 1: Compressors, Fans and Pumps; Turbines; Heat Transfer; Combustion, Fuels and Emissions, V001T04A015, December 7–8, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2017-4838
https://doi.org/10.1115/GTINDIA2017-4838
View Paper titled, Preliminary CFD Study on the Effect of Fuel Injector Coking on Fuel Spray Characteristics
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Topics: Computational fluid dynamics, Fuel injectors, Fuels, Sprays, Ejectors, Coke, Combustion systems, Nozzles, Combustion, Computer simulation