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Proceedings Papers

Noise Reduction by Lowering the Jet Mach Number and Using Inverted Velocity Profile at Fixed Thrust and Mass Flow

Junhui Liu
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A044, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126854
https://doi.org/10.1115/GT2024-126854
View Paper titled, Noise Reduction by Lowering the Jet Mach Number and Using Inverted Velocity Profile at Fixed Thrust and Mass Flow
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Topics: Flow (Dynamics), Mach number, Noise (Sound), Noise control, Thrust, Turbulence, Jets, Computational fluid dynamics, Kinetic energy, Aerodynamic noise
Proceedings Papers

A Large Eddy Simulation Study on Hydrogen Microjets in Hot Vitiated Crossflow

Mohsen Broumand, Sean Yun, Zekai Hong
Proc. ASME. GT2024, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T03A039, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129157
https://doi.org/10.1115/GT2024-129157
View Paper titled, A Large Eddy Simulation Study on Hydrogen Microjets in Hot Vitiated Crossflow
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Topics: Combustion, Flames, Heat flux, Hydrogen, Large eddy simulation, Turbulence, Vortices, Jets, Flow (Dynamics), Heat
Proceedings Papers

Machine Learning Regression of Under-Expanded Hydrogen Jets

Davide Cerbarano, Lorenzo Tieghi, Giovanni Delibra, Stefano Minotti, Alessandro Corsini
Proc. ASME. GT2024, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T03A032, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128704
https://doi.org/10.1115/GT2024-128704
View Paper titled, Machine Learning Regression of Under-Expanded Hydrogen Jets
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Topics: Fuels, Graph neural networks, Hydrogen, Jets, Leakage, Machine learning
Proceedings Papers

Schlieren Image Velocimetry and Modal Decomposition Study of Preheated Isothermal Flow From a Generic Multi-Swirl Burner

Neha Vishnoi, Aditya Saurabh, Lipika Kabiraj
Proc. ASME. GT2024, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A078, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127060
https://doi.org/10.1115/GT2024-127060
View Paper titled, Schlieren Image Velocimetry and Modal Decomposition Study of Preheated Isothermal Flow From a Generic Multi-Swirl Burner
Open the PDF for Schlieren Image Velocimetry and Modal Decomposition Study of Preheated Isothermal Flow From a Generic Multi-Swirl Burner in another window
Topics: Flow (Dynamics), Excitation, Acoustics, Jets, Principal component analysis, Swirling flow, Turbulence, Vortices
Proceedings Papers

Experimental Study on Stability Enhancement of a Natural Gas GT Burner With Hydrogen Flame Piloting Operated With Simulated Exhaust Gas Recirculation

Sofia Galeotti, Alessio Picchi, Riccardo Becchi, Gianmarco Lemmi, Roberto Meloni, Giulia Babazzi, Nicola Giannini, Bruno Facchini, Antonio Andreini
Proc. ASME. GT2024, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A045, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128732
https://doi.org/10.1115/GT2024-128732
View Paper titled, Experimental Study on Stability Enhancement of a Natural Gas GT Burner With Hydrogen Flame Piloting Operated With Simulated Exhaust Gas Recirculation
Open the PDF for Experimental Study on Stability Enhancement of a Natural Gas GT Burner With Hydrogen Flame Piloting Operated With Simulated Exhaust Gas Recirculation in another window
Topics: Exhaust gas recirculation, Flames, Hydrogen, Natural gas, Stability, Carbon capture and storage, Carbon dioxide, Combustion, Emissions, Gas turbines
Proceedings Papers

Computational Study of Additively Manufactured Internally Cooled Airfoils for Industrial Gas Turbine Applications

Matthew Krull, Stephen Lynch, Matthew Searle, Timothy Floyd, Forrest E. Ames, Douglas Straub
Proc. ASME. GT2024, Volume 8: Heat Transfer: Internal Air Systems; Heat Transfer: Internal Cooling; Industrial and Cogeneration, V008T15A009, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-123502
https://doi.org/10.1115/GT2024-123502
View Paper titled, Computational Study of Additively Manufactured Internally Cooled Airfoils for Industrial Gas Turbine Applications
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Topics: Additive manufacturing, Airfoils, Industrial gases, Reynolds-averaged Navier–Stokes equations, Turbines, Cooling, Design, Jets, Turbine blades, Blades
Proceedings Papers

Influence of Dilution and Effusion Flows in Generating Variable Inlet Profiles for a High-Pressure Turbine

Chad B. Schaeffer, Michael D. Barringer, Stephen P. Lynch, Karen A. Thole
Proc. ASME. GT2024, Volume 7: Heat Transfer: Combustors; Heat Transfer: Film Cooling, V007T11A006, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-123899
https://doi.org/10.1115/GT2024-123899
View Paper titled, Influence of Dilution and Effusion Flows in Generating Variable Inlet Profiles for a High-Pressure Turbine
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Topics: Flow (Dynamics), High pressure (Physics), Turbines, Temperature, Jets, Combustion chambers, Computational fluid dynamics, Shapes, Temperature profiles, Cooling
Proceedings Papers

Numerical Analysis of Jet Impingement Heat Transfer for Gas Turbine Rotor Blades

Filippo Pagnoni, Damien Archambaud, Ignacio Gonzalez-Martino, Benoît Bonnal
Proc. ASME. GT2024, Volume 8: Heat Transfer: Internal Air Systems; Heat Transfer: Internal Cooling; Industrial and Cogeneration, V008T15A013, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-123990
https://doi.org/10.1115/GT2024-123990
View Paper titled, Numerical Analysis of Jet Impingement Heat Transfer for Gas Turbine Rotor Blades
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Topics: Blades, Cooling, Gas turbines, Heat transfer, Numerical analysis, Reynolds-averaged Navier–Stokes equations, Rotors, Cavities, Engineering simulation, Simulation
Proceedings Papers

Numerical Study on Effects of Different Corrugated Height and Initial Crossflow on Impingement Jet Heat Transfer

Masayoshi Hatta, Thomas Merritt-Webster, Budimir Rosic
Proc. ASME. GT2024, Volume 8: Heat Transfer: Internal Air Systems; Heat Transfer: Internal Cooling; Industrial and Cogeneration, V008T15A003, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121343
https://doi.org/10.1115/GT2024-121343
View Paper titled, Numerical Study on Effects of Different Corrugated Height and Initial Crossflow on Impingement Jet Heat Transfer
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Topics: Heat transfer, Cooling, Flow (Dynamics), Gas turbines, Impingement cooling, Jets, Turbines, Airfoils, Flat plates, Geometry
Proceedings Papers

Conjugate Heat Transfer on the Effect of Impinging Distance for Film-Cooled Blade Leading Edge With Staggered-Oblique Impinging Jets

Hongye Li, Qiang Du, Qingzong Xu, Jiawei Xu, Guangyao Xu, Haoyang Liu, Pengfei Wang
Proc. ASME. GT2024, Volume 8: Heat Transfer: Internal Air Systems; Heat Transfer: Internal Cooling; Industrial and Cogeneration, V008T15A033, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129140
https://doi.org/10.1115/GT2024-129140
View Paper titled, Conjugate Heat Transfer on the Effect of Impinging Distance for Film-Cooled Blade Leading Edge With Staggered-Oblique Impinging Jets
Open the PDF for Conjugate Heat Transfer on the Effect of Impinging Distance for Film-Cooled Blade Leading Edge With Staggered-Oblique Impinging Jets in another window
Topics: Blades, Heat transfer, Jets
Proceedings Papers

Characterization of High-Pressure Hydrogen Leakages

Davide Cerbarano, Ermanno Lo Schiavo, Lorenzo Tieghi, Giovanni Delibra, Stefano Minotti, Alessandro Corsini
Proc. ASME. GT2023, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T03A007, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101383
https://doi.org/10.1115/GT2023-101383
View Paper titled, Characterization of High-Pressure Hydrogen Leakages
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Topics: Cross-flow, Gas turbines, High pressure (Physics), Hydrogen, Jets, Leakage, Safety, Ventilation
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

Analysis of High-Frequency Dynamics of a Reacting Jet in Crossflow Based on Large Eddy Simulation

Philip Bonnaire, Wolfgang Polifke
Proc. ASME. GT2023, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A010, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102853
https://doi.org/10.1115/GT2023-102853
View Paper titled, Analysis of High-Frequency Dynamics of a Reacting Jet in Crossflow Based on Large Eddy Simulation
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Topics: Dynamics (Mechanics), Jets, Large eddy simulation, Acoustics, Cross-flow, Shear (Mechanics), Vortices, Combustion, Combustion chambers, Combustion systems
Proceedings Papers

The Structure and Stability of Premixed CH4, H2, and NH3/H2 Flames in an Axially Staged Can Combustor

Aksel Ånestad, Ramgopal Sampath, Jonas Moeck, Andrea Gruber, Nicholas A. Worth
Proc. ASME. GT2023, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A022, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103088
https://doi.org/10.1115/GT2023-103088
View Paper titled, The Structure and Stability of Premixed CH4, H2, and NH3/H2 Flames in an Axially Staged Can Combustor
Open the PDF for The Structure and Stability of Premixed CH4, H2, and NH3/H2 Flames in an Axially Staged Can Combustor in another window
Topics: Combustion chambers, Flames, Methane, Stability, Hydrogen, Fuels, Jets, Air flow, Combustion, Cross-flow
Proceedings Papers

Reacting Flow Prediction of the Low-Swirl Lifted Flame in an Aeronautical Combustor With Angular Air Supply

Sven Hoffmann, Rainer Koch, Hans-Jörg Bauer
Proc. ASME. GT2023, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A041, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103459
https://doi.org/10.1115/GT2023-103459
View Paper titled, Reacting Flow Prediction of the Low-Swirl Lifted Flame in an Aeronautical Combustor With Angular Air Supply
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Topics: Combustion chambers, Flames, Flow (Dynamics), Combustion, Fuels, Aircraft engines, Emissions, Exhaust gas recirculation, Stability, Chemistry
Proceedings Papers

Quantitative Definition of Spray Edge With Extinction Diagnostics and Evaluation of Attenuation Coefficient for Liquid Jets in Supersonic Crossflow

Aubrey J. McKelvy, James Braun, Guillermo Paniagua, Thierry Andre, Etienne Choquet, Francois Falempin
Proc. ASME. GT2023, Volume 4: Controls, Diagnostics, and Instrumentation, V004T05A019, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102536
https://doi.org/10.1115/GT2023-102536
View Paper titled, Quantitative Definition of Spray Edge With Extinction Diagnostics and Evaluation of Attenuation Coefficient for Liquid Jets in Supersonic Crossflow
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Topics: Electromagnetic scattering, Jets, Sprays
Proceedings Papers

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

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

Flow Control of Turbine Vane Aerodynamics for Gas Turbine Operability

Priyank A. Dhyani, Gustaaf B. Jacobs, Dan Burnes, Tyson Ferguson
Proc. ASME. GT2023, Volume 13B: Turbomachinery — Axial Flow Turbine Aerodynamics, V13BT30A010, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102015
https://doi.org/10.1115/GT2023-102015
View Paper titled, Flow Control of Turbine Vane Aerodynamics for Gas Turbine Operability
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Topics: Aerodynamics, Flow control, Gas turbines, Turbines, Flow (Dynamics), Nozzles, Jets, Chords (Trusses), Ejectors, Engines
Proceedings Papers

A Numerical Analysis of Cross-Flow Reinforced Impingement Cooling With a U-Shaped Flow-Guide on the Hole Plate

Robin G. Brakmann, Nina Brose, Francisco Carvalho, Safae Chargui, Roberto Guarino
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT15A003, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101097
https://doi.org/10.1115/GT2023-101097
View Paper titled, A Numerical Analysis of Cross-Flow Reinforced Impingement Cooling With a U-Shaped Flow-Guide on the Hole Plate
Open the PDF for A Numerical Analysis of Cross-Flow Reinforced Impingement Cooling With a U-Shaped Flow-Guide on the Hole Plate in another window
Topics: Cross-flow, Flow (Dynamics), Impingement cooling, Numerical analysis, Cooling, Jets, Reynolds number, Shapes, Engineering simulation, Gas turbines
Proceedings Papers

Modeling Tip Flow Structures and Heat Transfer in Contemporary Cooled and Uncooled High-Pressure Turbine Blades

Louis Christensen, Richard Celestina, Spencer Sperling, Randall Mathison, Hakan Aksoy, Jong Liu, Jeremy Nickol
Proc. ASME. GT2023, Volume 7A: Heat Transfer — Combustors; Film Cooling, V07AT12A019, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104002
https://doi.org/10.1115/GT2023-104002
View Paper titled, Modeling Tip Flow Structures and Heat Transfer in Contemporary Cooled and Uncooled High-Pressure Turbine Blades
Open the PDF for Modeling Tip Flow Structures and Heat Transfer in Contemporary Cooled and Uncooled High-Pressure Turbine Blades in another window
Topics: Flow (Dynamics), Heat transfer, High pressure (Physics), Modeling, Turbine blades, Cooling, Blades, Cavities, Vortices, Pressure