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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

Available to Purchase

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

Numerical Analysis of the Effect of Geometric Variations on the Mass Flow Distribution for an Under-Race Lubrication System

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Daniel Mateo Aguirre Bermudez, Aju Abraham, Shreyas Joshi, Corina Schwitzke, Hans-Jörg Bauer
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A011, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122481
https://doi.org/10.1115/GT2024-122481
View Paper titled, Numerical Analysis of the Effect of Geometric Variations on the Mass Flow Distribution for an Under-Race Lubrication System
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Topics: Flow (Dynamics), Industrial lubrication systems, Lubrication, Numerical analysis, Cavities, Cooling, Aircraft engines, Bearings, Engineering simulation, Film thickness
Proceedings Papers

Combustion Computational Fluid Dynamics Simulations of a Range of Experimental Lean Hydrogen/Natural Gas Blend Flames

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Pierre Gauthier, Malika Zghal, Antoine Durocher, Patrizio Vena, Luming Fan, Benjamin Francolini, Jeffrey M. Bergthorson, Sean Yun
Proc. ASME. GT2024, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T03A038, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129104
https://doi.org/10.1115/GT2024-129104
View Paper titled, Combustion Computational Fluid Dynamics Simulations of a Range of Experimental Lean Hydrogen/Natural Gas Blend Flames
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Topics: Combustion, Computational fluid dynamics, Engineering simulation, Flamelet generated manifold, Flames, Hydrogen, Natural gas, Simulation
Proceedings Papers

Partially Cracked Ammonia Mixture Combustion in Gas Turbine Combustors

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Sreenath Gupta, Timothy Weathers, Tristan Shahin, Rohan Gejji, Shashikant Aithal, Ashvin Hosangadi
Proc. ASME. GT2024, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T03A002, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-120975
https://doi.org/10.1115/GT2024-120975
View Paper titled, Partially Cracked Ammonia Mixture Combustion in Gas Turbine Combustors
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Topics: Combustion, Combustion chambers, Engineering simulation, Gas turbines, Simulation
Proceedings Papers

HFTsim: A Component Library for High-Frequency Gas Turbine Engine Performance Simulations

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Emrah Güllü, Gökhan Aran
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A028, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124100
https://doi.org/10.1115/GT2024-124100
View Paper titled, HFTsim: A Component Library for High-Frequency Gas Turbine Engine Performance Simulations
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Topics: Engineering simulation, Gas turbines, Simulation, Surges, Transients (Dynamics), Equations of motion, Engines, Combustion chambers, Ducts, Heat
Proceedings Papers

Numerical Investigation of Lean Hydrogen-Air Flame Stabilization Regimes Using Large-Eddy Simulations

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Ishan Verma, Rakesh Yadav, Stefano Orsino, Sourabh Shrivastava, Yuxin Zhang, Vasudevarao K., Vijayaraj Sukumar
Proc. ASME. GT2024, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T03A041, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129230
https://doi.org/10.1115/GT2024-129230
View Paper titled, Numerical Investigation of Lean Hydrogen-Air Flame Stabilization Regimes Using Large-Eddy Simulations
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Topics: Flames, Hydrogen, Large eddy simulation, Ejectors, Nitrogen oxides, Combustion, Particle image velocimetry, Air jets, Diffusion (Physics), Modeling
Proceedings Papers

Comprehensive Understanding of TGO Morphology Effect on the Thermal Barrier Coatings Failure Under Free Edges

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Da Qiao, Wu Zeng
Proc. ASME. GT2024, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T02A009, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126047
https://doi.org/10.1115/GT2024-126047
View Paper titled, Comprehensive Understanding of TGO Morphology Effect on the Thermal Barrier Coatings Failure Under Free Edges
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Topics: Failure, Thermal barrier coatings, Stress, Cracking (Materials), Fracture (Process), Delamination, Engineering simulation, Fatigue, Gas turbines, High temperature materials
Proceedings Papers

Numerical Investigation on the Geometrical Scaling of Hydrogen Micromix Injectors

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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
Proceedings Papers

On the Design of a Scaled-Up Pulsed Methane Pyrolysis Reactor for Clean Hydrogen Production

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Cosimo Bianchini, Riccardo Da Soghe, Davide Bertini, Donald Kendrick, Scott Gray, John Hinkey, Michael J. Aarnio, Roberto Meloni
Proc. ASME. GT2024, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T03A018, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125320
https://doi.org/10.1115/GT2024-125320
View Paper titled, On the Design of a Scaled-Up Pulsed Methane Pyrolysis Reactor for Clean Hydrogen Production
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Topics: Design, Hydrogen production, Methane, Pyrolysis, Combustion chambers, Computational fluid dynamics, Flow (Dynamics), Combustion, Cycles, Feedstock
Proceedings Papers

A Numerical Study of Emission Characteristics in Bluff Body Stabilized Turbulent Premixed Methane-Air Flames in Confined Environments

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Anant Girdhar, Sriram P. Kalathoor, Jechiel Jagoda, Lakshmi N. Sankar
Proc. ASME. GT2024, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A075, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126815
https://doi.org/10.1115/GT2024-126815
View Paper titled, A Numerical Study of Emission Characteristics in Bluff Body Stabilized Turbulent Premixed Methane-Air Flames in Confined Environments
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Topics: Emissions, Flames, Methane, Turbulence, Combustion chambers, Flow (Dynamics), Dynamics (Mechanics), Fuels, Engineering simulation, Filters
Proceedings Papers

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

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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

Optimisation of a Hydrogen-Fuelled Parametric Strut Injector Using an Automated Workflow CFD Method

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Nicholas C. W. Treleaven, Guillaume J. J. Fournier, Julien Leparoux, Renaud Mercier
Proc. ASME. GT2024, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A052, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128828
https://doi.org/10.1115/GT2024-128828
View Paper titled, Optimisation of a Hydrogen-Fuelled Parametric Strut Injector Using an Automated Workflow CFD Method
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Topics: Computational fluid dynamics, Ejectors, Hydrogen, Optimization, Struts (Engineering), Workflow, Design, Engineering simulation, Simulation, Metamodeling
Proceedings Papers

Adaptation of the Low Dissipation Low Dispersion Scheme for Reactive Multi Component Flows on Unstructured Grids Using Density-Based Solvers

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Jonathan Timo Lipkowicz, Simon Goevert, Bertram Janus
Proc. ASME. GT2024, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A011, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127496
https://doi.org/10.1115/GT2024-127496
View Paper titled, Adaptation of the Low Dissipation Low Dispersion Scheme for Reactive Multi Component Flows on Unstructured Grids Using Density-Based Solvers
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Topics: Combustion, Computational fluid dynamics, Density, Energy dissipation, Flames, Flow (Dynamics), Turbulence, Flux (Metallurgy), Engineering simulation, Flamelet generated manifold
Proceedings Papers

Performance Evaluation of Different Rotating Detonation Combustor Designs Using Simulations and Experiments

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Piyush Raj, Shaon Talukdar, Joseph Meadows, Ajay Agrawal
Proc. ASME. GT2024, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A065, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129112
https://doi.org/10.1115/GT2024-129112
View Paper titled, Performance Evaluation of Different Rotating Detonation Combustor Designs Using Simulations and Experiments
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Topics: Combustion chambers, Engineering simulation, Engines, Explosions, Nozzles, Performance evaluation, Pressure, Simulation
Proceedings Papers

Complete Dynamics From Ignition to Stabilization of a Lean Hydrogen Flame With Thickened Flame Model

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Matteo Amerighi, Giada Senatori, Tarik Yahou, Thierry Schuller, James R. Dawson, Antonio Andreini
Proc. ASME. GT2024, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A056, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128975
https://doi.org/10.1115/GT2024-128975
View Paper titled, Complete Dynamics From Ignition to Stabilization of a Lean Hydrogen Flame With Thickened Flame Model
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Topics: Dynamics (Mechanics), Flames, Hydrogen, Ignition, Thermal diffusion, Carbon, Combustion, Dynamic response, Engineering simulation, Fluctuations (Physics)
Proceedings Papers

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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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

Navigating Technological Risks: an Uncertainty Analysis of Powertrain Technology in Hybrid-Electric Commuter Aircraft

Open Access

Dimitra-Eirini Diamantidou, Jerol Soibam, Valentina Zaccaria, Anestis Kalfas
Proc. ASME. GT2024, Volume 5: Cycle Innovations, V005T06A025, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127421
https://doi.org/10.1115/GT2024-127421
View Paper titled, Navigating Technological Risks: an Uncertainty Analysis of Powertrain Technology in Hybrid-Electric Commuter Aircraft
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Topics: Aircraft, Optimization, Uncertainty analysis, Batteries, Design, Uncertainty, Deep neural networks, Density, Electrochemical impedance spectroscopy, Energy consumption
Proceedings Papers

Teaching Aero-Engine Performance: From Analytics to Hands-on Exercises Using Gas Turbine Performance Software

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Peter Jeschke, Wolfgang Koschel, Christian Klumpp, Daniel Weintraub
Proc. ASME. GT2024, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T07A004, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-123953
https://doi.org/10.1115/GT2024-123953
View Paper titled, Teaching Aero-Engine Performance: From Analytics to Hands-on Exercises Using Gas Turbine Performance Software
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Topics: Aircraft engines, Computer software, Gas turbines, Teaching, Engines, Turbojets, Cycles, Design, Temperature, Engine design
Proceedings Papers

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

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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

Modelling the Film Cooling of a Modern High-Pressure Turbine Nozzle Guide Vane in 3D CFD

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Michael Müller, Robin Schöffler, Clemens Grunwitz, Christian Morsbach
Proc. ASME. GT2024, Volume 7: Heat Transfer: Combustors; Heat Transfer: Film Cooling, V007T12A031, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126684
https://doi.org/10.1115/GT2024-126684
View Paper titled, Modelling the Film Cooling of a Modern High-Pressure Turbine Nozzle Guide Vane in 3D CFD
Open the PDF for Modelling the Film Cooling of a Modern High-Pressure Turbine Nozzle Guide Vane in 3D CFD in another window
Topics: Computational fluid dynamics, Film cooling, High pressure (Physics), Modeling, Nozzle guide vanes, Turbines, Cooling, Errors, Combustion chambers, Eddies (Fluid dynamics)