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Proceedings Papers

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

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

Experimental Investigation of a Physisorption-Based Hydrogen Storage System

Marcel Otto, Yakym Khlyapov, Erik Fernandez, Joshua Schmitt, Adam Swanger, Jayanta Kapat
Proc. ASME. GT2024, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T03A045, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129410
https://doi.org/10.1115/GT2024-129410
View Paper titled, Experimental Investigation of a Physisorption-Based Hydrogen Storage System
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Topics: Hydrogen, Hydrogen storage, Aerogels, Design, High pressure (Physics), Storage, Transients (Dynamics), Cooling, Cycles, Delays
Proceedings Papers

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

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

Suppression of Combustion Oscillations in Hydrogen-Enriched Can-Type Combustors Through Fuel Staging

Junwoo Jung, Daesik Kim, Yuangang Wang, Soonbeen Park, Chae Hoon Sohn, Minkuk Kim, Jeongjae Hwang, Dowon Kang, Wonjune Lee, Hanseok Kim
Proc. ASME. GT2024, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A006, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121533
https://doi.org/10.1115/GT2024-121533
View Paper titled, Suppression of Combustion Oscillations in Hydrogen-Enriched Can-Type Combustors Through Fuel Staging
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Topics: Acoustics, Co-firing, Combustion, Combustion chambers, Computational fluid dynamics, Delays, Fuels, Hydrogen, Oscillations
Proceedings Papers

Low Data Prognostic Model for Rolling Element Bearing Remaining Useful Life

Edoardo Gheller, Sivachakaravarthy Natarajan, Abyjith Pazhoor, Steven Chatterton, Andrea Vania, Paolo Pennacchi
Proc. ASME. GT2024, Volume 4: Controls, Diagnostics, and Instrumentation, V004T05A035, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127841
https://doi.org/10.1115/GT2024-127841
View Paper titled, Low Data Prognostic Model for Rolling Element Bearing Remaining Useful Life
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Topics: Rolling bearings, Service life (Equipment), Bearings, Failure, Algorithms, Damage, Maintenance, Delays, Filters, Gas turbines
Proceedings Papers

Real Gas Effects on Autoignition Delay and Laminar Flame Speed Predictions for Direct-Fire sCO2 Combustion

Cory Kinney, Carlos Velez, Scott Martin, Annalisa Forte, Pier Carlo Nassini, Alessandro Zucca, Subith S. Vasu
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A039, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129111
https://doi.org/10.1115/GT2024-129111
View Paper titled, Real Gas Effects on Autoignition Delay and Laminar Flame Speed Predictions for Direct-Fire sCO2 Combustion
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Topics: Combustion, Delays, Diffusion flames, Equations of state, Fire, Flames, Modeling, Natural gas, Supercritical carbon dioxide
Proceedings Papers

Optical Based Emission Monitoring Systems for Combustion Turbine SCR Process Control and CEM Applications

Richard Himes
Proc. ASME. GT2023, Volume 4: Controls, Diagnostics, and Instrumentation, V004T05A006, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101272
https://doi.org/10.1115/GT2023-101272
View Paper titled, Optical Based Emission Monitoring Systems for Combustion Turbine SCR Process Control and CEM Applications
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Topics: Combustion, Emissions, Monitoring systems, Process control, Turbines, Gas turbines, Nitrogen oxides, Delays, Calibration, Carbon dioxide
Proceedings Papers

Flow Interaction Between Cascade and Flow Resistance Medium

Tong Lin, Mehmet Sarimurat, Thong Quoc Dang
Proc. ASME. GT2023, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T10A002, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101271
https://doi.org/10.1115/GT2023-101271
View Paper titled, Flow Interaction Between Cascade and Flow Resistance Medium
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Topics: Cascades (Fluid dynamics), Flow (Dynamics), Rotors, Blades, Computational fluid dynamics, Boundary layers, Delays, Flow separation, Pressure, Pressure drop
Proceedings Papers

Development of an Artificial Intelligence Model to Predict Combustion Properties, With a Focus on Auto-Ignition Delay

Roda Bounaceur, Romain Heymes, Pierre-Alexandre Glaude, Baptiste Sirjean, René Fournet, Pierre Montagne, Alexandre Auvray, Eric Impellizzeri, Pierre Biehler, Alexandre Picard, Bastien Prieur-Garrouste, Michel Molière
Proc. ASME. GT2023, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T03A013, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102128
https://doi.org/10.1115/GT2023-102128
View Paper titled, Development of an Artificial Intelligence Model to Predict Combustion Properties, With a Focus on Auto-Ignition Delay
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Topics: Artificial intelligence, Combustion, Delays, Hydrogen, Ignition, Ignition delay, Errors, Natural gas, Robustness, Testing
Proceedings Papers

The Effect of Unsteady Boundary Conditions on Simulations of Prefilming Airblast Atomisation

Jack R. J. Wetherell, Andrew Garmory
Proc. ASME. GT2023, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A003, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100731
https://doi.org/10.1115/GT2023-100731
View Paper titled, The Effect of Unsteady Boundary Conditions on Simulations of Prefilming Airblast Atomisation
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Topics: Boundary-value problems, Engineering simulation, Simulation, Sprays, Drops, Flow (Dynamics), Surface mount devices, Aviation, Combustion systems, Delays
Proceedings Papers

The Effect of Ignition Procedure on Flashback of Hydrogen-Enriched Flames

Tarik Yahou, Thierry Schuller, James R. Dawson
Proc. ASME. GT2023, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A039, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101785
https://doi.org/10.1115/GT2023-101785
View Paper titled, The Effect of Ignition Procedure on Flashback of Hydrogen-Enriched Flames
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Topics: Flames, Hydrogen, Ignition, Fuels, Pressure, Methane, Dynamics (Mechanics), Flow (Dynamics), Chemiluminescence, Combustion
Proceedings Papers

Simulating Stall Inception in a High-Performance Fan

Andrew M. Bedke, Steven E. Gorrell
Proc. ASME. GT2023, Volume 13A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V13AT29A030, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102649
https://doi.org/10.1115/GT2023-102649
View Paper titled, Simulating Stall Inception in a High-Performance Fan
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Topics: Stall inception, Vortices, Blades, Shock (Mechanics), Leakage, Rotors, Aircraft engines, Annulus, Compressors, Delays
Proceedings Papers

The Application of the Arbitrary-Order Galerkin Reduction Method to the Dynamic Analysis of a Rotor With a Preloaded Single-Pad Foil-Air Bearing

Ibrahim Ghalayini, Philip Bonello
Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT22A017, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82585
https://doi.org/10.1115/GT2022-82585
View Paper titled, The Application of the Arbitrary-Order Galerkin Reduction Method to the Dynamic Analysis of a Rotor With a Preloaded Single-Pad Foil-Air Bearing
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Topics: Dynamic analysis, Foil bearings, Rotors, Clearances (Engineering), Delays, Engineering simulation, Simulation, Air bearings, Condensation, Finite element analysis
Proceedings Papers

Stall Margin Improvement in a Transonic Compressor With a Casing Treatment: Flow Mechanism

Chunill Hah
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A039, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83363
https://doi.org/10.1115/GT2022-83363
View Paper titled, Stall Margin Improvement in a Transonic Compressor With a Casing Treatment: Flow Mechanism
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Topics: Compressors, Flow (Dynamics), Leakage flows, Collisions (Physics), Design, Blades, Delays, Fluids, Large eddy simulation, Leakage
Proceedings Papers

Design of a Blowing Type Flow Treatment to Complement Casing Treatments for Compact High-Pressure Compressor Rear Stages

Christian P. Köhler, Christofer Kendall-Torry, Christian Helcig, Volker Gümmer
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A002, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-78311
https://doi.org/10.1115/GT2022-78311
View Paper titled, Design of a Blowing Type Flow Treatment to Complement Casing Treatments for Compact High-Pressure Compressor Rear Stages
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Topics: Compressors, Design, Flow (Dynamics), High pressure (Physics), Rotors, Stators, Corners (Structural elements), Delays, Engineering simulation, Experimental design
Proceedings Papers

Autoignition Delay Time Measurements and Chemical Kinetic Modeling of Hydrogen/Ammonia/Natural Gas Mixtures

Jessica B. Baker, Ramees K. Rahman, Michael Pierro, Jacklyn Higgs, Justin Urso, Cory Kinney, Subith Vasu
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T03A008, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81004
https://doi.org/10.1115/GT2022-81004
View Paper titled, Autoignition Delay Time Measurements and Chemical Kinetic Modeling of Hydrogen/Ammonia/Natural Gas Mixtures
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Topics: Delays, Hydrogen, Ignition delay, Modeling, Natural gas, Shock tubes
Proceedings Papers

Numerical Investigation of the Local Thermo-Chemical State in a Thermo-Acoustically Unstable Dual Swirl Gas Turbine Model Combustor

T. Jeremy P. Karpowski, Federica Ferraro, Matthias Steinhausen, Sebastian Popp, Christoph M. Arndt, Christian Kraus, Henning Bockhorn, Wolfgang Meier, Christian Hasse
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A056, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83810
https://doi.org/10.1115/GT2022-83810
View Paper titled, Numerical Investigation of the Local Thermo-Chemical State in a Thermo-Acoustically Unstable Dual Swirl Gas Turbine Model Combustor
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Topics: Acoustics, Combustion chambers, Gas turbines, Flames, Oscillations, Cycles, Delays, Enthalpy, Heat losses, Accounting
Proceedings Papers

From Pressure Time Series Data to Flame Transfer Functions: A Framework for Perfectly-Premixed Swirling Flames

Abdulla Ghani, Alp Albayrak
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A058, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-84357
https://doi.org/10.1115/GT2022-84357
View Paper titled, From Pressure Time Series Data to Flame Transfer Functions: A Framework for Perfectly-Premixed Swirling Flames
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Topics: Flames, Pressure, Swirling flow, Time series, Transfer functions, Optimization, Combustion, Turbulence, Acoustics, Combustion chambers
Proceedings Papers

Delay Identification in Thermoacoustics

F. Gant, G. Ghirardo, A. Cuquel, M. R. Bothien
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A024, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58903
https://doi.org/10.1115/GT2021-58903
View Paper titled, Delay Identification in Thermoacoustics
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Topics: Delays, Thermoacoustics, Flames, Noise (Sound), Acoustics, Combustion, Time series, Damping, Dynamics (Mechanics), Engineering simulation
Proceedings Papers

Characterization of Dynamics of Unstable Fuel-Rich Flame

M. Weber, J. Song, J. G. Lee
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A034, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60121
https://doi.org/10.1115/GT2021-60121
View Paper titled, Characterization of Dynamics of Unstable Fuel-Rich Flame
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Topics: Dynamics (Mechanics), Flames, Fuels, Emissions, Pressure, Combustion chambers, Combustion, Delays, Heat, Imaging