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Proceedings Papers

Assessing the Environmental Impact of Aircraft / Engine Integration With Respect to Contrails

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Joseph Ramsay, Indi Tristanto, Shahrokh Shahpar, Alistair John
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A031, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124447
https://doi.org/10.1115/GT2024-124447
View Paper titled, Assessing the Environmental Impact of Aircraft / Engine Integration With Respect to Contrails
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Topics: Aircraft, Aircraft engines, Aviation, Climate, Computational fluid dynamics, Crystallization, Design, Dynamics (Mechanics), Engines, Exhaust systems
Proceedings Papers

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

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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

Impact of Various Intake Configurations on the Flight Mission Performance of an Unmanned Aircraft

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Jonas Remiger, Andreas Grois, Marcel Stößel, Dragan Kožulović, Michael Krummenauer
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A013, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122647
https://doi.org/10.1115/GT2024-122647
View Paper titled, Impact of Various Intake Configurations on the Flight Mission Performance of an Unmanned Aircraft
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Topics: Aircraft, Engines, Flight, Compressors, Computational fluid dynamics, Simulation, Design, Geometry, Pressure, Surges
Proceedings Papers

Simulation Validation of a Coupled Blade-Shaft System Including Non-Linearity and Gravity Effects

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Iker Exposito, Angel Martinez Aja, Matthew Price, Andrew Rix, Christoph Schwingshackl
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A035, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125781
https://doi.org/10.1115/GT2024-125781
View Paper titled, Simulation Validation of a Coupled Blade-Shaft System Including Non-Linearity and Gravity Effects
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Topics: Blades, Disks, Engines, Excitation, Gravity (Force), Simulation
Proceedings Papers

A Validated Unsteady Turbofan Engine Performance Simulation Using Pseudo Bond Graph Approach

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Jan Goeing, Sebastian Lück, Jens Friedrichs
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A014, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122738
https://doi.org/10.1115/GT2024-122738
View Paper titled, A Validated Unsteady Turbofan Engine Performance Simulation Using Pseudo Bond Graph Approach
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Topics: Engines, Simulation, Turbofans
Proceedings Papers

Large Eddy Simulation With Sliding Mesh Method of a Small-Scale Turbojet Engine

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Alejandro M. Briones, Brent A. Rankin
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A005, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121649
https://doi.org/10.1115/GT2024-121649
View Paper titled, Large Eddy Simulation With Sliding Mesh Method of a Small-Scale Turbojet Engine
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Topics: Engines, Large eddy simulation, Simulation, Turbojets
Proceedings Papers

On Hysteresis in a Variable Pitch Fan Transitioning to Reverse Thrust Mode and Back

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Dimitrios Vitlaris, David John Rajendran, Richard Tunstall, John Whurr, Vassilios Pachidis
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A052, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128701
https://doi.org/10.1115/GT2024-128701
View Paper titled, On Hysteresis in a Variable Pitch Fan Transitioning to Reverse Thrust Mode and Back
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Topics: Flow (Dynamics), Thrust, Engines, Aircraft, Blades, Airfoils, Aviation, Climate neutrality, Delays, Displacement
Proceedings Papers

A Data-Driven Method for Predicting the Overall Performance of a Three-Rotor Dual-Variable Cycle Engine

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Qiyu Yuan, Tian Qiu, Guixian Qu, Peng Liu, Chuankai Liu, Shuiting Ding
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A033, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124941
https://doi.org/10.1115/GT2024-124941
View Paper titled, A Data-Driven Method for Predicting the Overall Performance of a Three-Rotor Dual-Variable Cycle Engine
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Topics: Artificial neural networks, Cycles, Design, Engines, Rotors, Flight, Geometry, Performance, Radial basis function networks, Simulation
Proceedings Papers

Simulation of Sand Erosion in a Transonic Fan Stage

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Adel Ghenaiet
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A007, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121812
https://doi.org/10.1115/GT2024-121812
View Paper titled, Simulation of Sand Erosion in a Transonic Fan Stage
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Topics: Erosion, Particulate matter, Sands, Simulation
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

Advancing AI Modeling for Prediction of Safety Parameters for Combustion of Hydrogen/Syngas/Natural Gas Mixtures

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Roda Bounaceur, Pierre-Alexandre Glaude, René Fournet, Baptiste Sirjean, Pierre Montagne, Alexandre Auvray, Eric Impellizzeri, Pierre Biehler, Michel Molière
Proc. ASME. GT2024, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T03A036, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129044
https://doi.org/10.1115/GT2024-129044
View Paper titled, Advancing AI Modeling for Prediction of Safety Parameters for Combustion of Hydrogen/Syngas/Natural Gas Mixtures
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Topics: Combustion, Hydrogen, Modeling, Natural gas, Safety, Syngas, Errors, Fuels, Gas turbines, Ignition
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

Development of a Reactor Network Model for a Practical Gas Turbine Combustor

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Srujan Gubbi, Wenting Sun, Nakjeong Choi, Seik Park, Jungkeuk Park, Sanghyup Lee, Jim Harper, Robert Steele, David Noble
Proc. ASME. GT2024, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A039, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124079
https://doi.org/10.1115/GT2024-124079
View Paper titled, Development of a Reactor Network Model for a Practical Gas Turbine Combustor
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Topics: Combustion chambers, Emissions, Fuels, Gas turbines, Network models, Nitrogen oxides, Simulation, Chemical kinetics, Retrofitting, Carbon
Proceedings Papers

Numerical Investigation of Effusion Cooling Air Influence on the CO Emissions for a Single-Sector Aero-Engine Model Combustor

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Sandra Recio Balmaseda, Tim Jeremy Patrick Karpowski, Hendrik Nicolai, Philipp Koob, Max Greifenstein, Andreas Dreizler, Christian Hasse
Proc. ASME. GT2024, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A038, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124048
https://doi.org/10.1115/GT2024-124048
View Paper titled, Numerical Investigation of Effusion Cooling Air Influence on the CO Emissions for a Single-Sector Aero-Engine Model Combustor
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Topics: Aircraft engines, Combustion chambers, Cooling, Emissions, Flames, Computational fluid dynamics, Exhaust gas recirculation, Simulation, Air pollution control, Aviation