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Proceedings Papers

Thermodynamic Modelling of Air Management System for Commercial Aircraft Environmental Control Systems

Subramanya Spurthy, Aleksandar Joksimović, Xavier Carbonneau, Sarah Rebholz, Frederic Tong-Yette
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A010, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122353
https://doi.org/10.1115/GT2024-122353
View Paper titled, Thermodynamic Modelling of Air Management System for Commercial Aircraft Environmental Control Systems
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Topics: Aircraft, Control systems, Modeling, Engines, Pressure, Temperature, Air conditioning, Architecture, Computer software, Steady state
Proceedings Papers

Numerical and Experimental Investigation of Steady Flow Distortion in Drooped Turbofan Intakes

Yuhan Zhang, Xu Dong, Zhenyu Li, Dakun Sun, Xiaofeng Sun
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A032, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124697
https://doi.org/10.1115/GT2024-124697
View Paper titled, Numerical and Experimental Investigation of Steady Flow Distortion in Drooped Turbofan Intakes
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Topics: Computational fluid dynamics, Flow (Dynamics), Turbofans, Aircraft engines, Compressors, Ducts, Experimental design, Geometry, Internal flow, Pressure
Proceedings Papers

Numerical Investigation of the Combustion Process in a Lean Burn Gas Turbine Fuel Injector

Amit Rajput, Ayush Divyansh, Shanmugadas K. P.
Proc. ASME. GT2024, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A032, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128456
https://doi.org/10.1115/GT2024-128456
View Paper titled, Numerical Investigation of the Combustion Process in a Lean Burn Gas Turbine Fuel Injector
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Topics: Combustion, Ejectors, Fuel injectors, Fuels, Gas turbines, Flames, Hydrogen, Methane, Temperature distribution, Aerodynamics
Proceedings Papers

Implementation of Artificial Intelligence for Aircraft Engine Health Monitoring and Prognostics

Aditya Aditya, Theoklis Nikolaidis, Arias Chao Manuel, Simone Togni
Proc. ASME. GT2024, Volume 4: Controls, Diagnostics, and Instrumentation, V004T05A030, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127081
https://doi.org/10.1115/GT2024-127081
View Paper titled, Implementation of Artificial Intelligence for Aircraft Engine Health Monitoring and Prognostics
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Topics: Aircraft engines, Artificial intelligence, Condition monitoring, Deep learning, Engines, Convolutional neural networks, Cycles, Flight, Service life (Equipment), Aircraft
Proceedings Papers

Enhancing Diagnostic Capability by Utilization of Twin-Engine Aircraft Configuration Aspects

Mikael Stenfelt, Amare Desalegn Fentaye, Konstantinos Kyprianidis
Proc. ASME. GT2024, Volume 4: Controls, Diagnostics, and Instrumentation, V004T05A034, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127733
https://doi.org/10.1115/GT2024-127733
View Paper titled, Enhancing Diagnostic Capability by Utilization of Twin-Engine Aircraft Configuration Aspects
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Topics: Aircraft, Engines, Flow (Dynamics), Gas turbines, Data collection, Optimization, Parameter estimation, Steady state
Proceedings Papers

IndRNN-Based Data-Driven Modeling Integrated With Physical Knowledge for Engine Performance Monitoring

Dasheng Xiao, Hong Xiao, Zhanxue Wang
Proc. ASME. GT2024, Volume 4: Controls, Diagnostics, and Instrumentation, V004T05A015, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124076
https://doi.org/10.1115/GT2024-124076
View Paper titled, IndRNN-Based Data-Driven Modeling Integrated With Physical Knowledge for Engine Performance Monitoring
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Topics: Aircraft engines, Engines, Modeling, Thrust, Artificial neural networks, Control systems, Deep learning, Errors, Exhaust systems, Flight
Proceedings Papers

Evaluation of Air Supply Conditioning Architectures for PEM Fuel Cell Systems in Aviation

Patrick Meyer, Sebastian Lück, Jan Goeing, Jens Friedrichs
Proc. ASME. GT2024, Volume 5: Cycle Innovations, V005T06A001, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121340
https://doi.org/10.1115/GT2024-121340
View Paper titled, Evaluation of Air Supply Conditioning Architectures for PEM Fuel Cell Systems in Aviation
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Topics: Aircraft, Architecture, Aviation, Compression, Compressors, Cooling, Design, Energy consumption, Flight, Flow (Dynamics)
Proceedings Papers

Pilot-Scale Testing of a Transcritical CO 2 -Based Pumped Thermal Energy Storage (PTES) System

Timothy J. Held, Jason Miller, Jason Mallinak, Vamshi Avadhanula, Luke Magyar
Proc. ASME. GT2024, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T09A016, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129211
https://doi.org/10.1115/GT2024-129211
View Paper titled, Pilot-Scale Testing of a Transcritical CO 2 -Based Pumped Thermal Energy Storage (PTES) System
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Topics: Carbon dioxide, Testing, Thermal energy storage, Reservoirs, Cycles, Low temperature, Thermal energy, Fluids, Heat engines, Heat pumps
Proceedings Papers

Film Cooling and Thermal Performances of a Blade Tip Winglet Operated in an Annular Test Rig and a Test Gas Turbine Power Plant

Shailendra Naik, Marc Henze, Manuel Wilhelm, Heinz-Peter Schiffer
Proc. ASME. GT2024, Volume 7: Heat Transfer: Combustors; Heat Transfer: Film Cooling, V007T12A044, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128684
https://doi.org/10.1115/GT2024-128684
View Paper titled, Film Cooling and Thermal Performances of a Blade Tip Winglet Operated in an Annular Test Rig and a Test Gas Turbine Power Plant
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Topics: Blades, Film cooling, Gas turbines, Power stations, Metals, Turbines, Airfoils, Coolants, Cooling, Pressure
Proceedings Papers

Partitioned Coupled Heat Transfer Fluid-Structure Interaction for Transient and Steady State Analysis of Aero Engines Applications

Ute Israel, Francois Cottier, Jochen Gier
Proc. ASME. GT2024, Volume 8: Heat Transfer: Internal Air Systems; Heat Transfer: Internal Cooling; Industrial and Cogeneration, V008T14A012, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126718
https://doi.org/10.1115/GT2024-126718
View Paper titled, Partitioned Coupled Heat Transfer Fluid-Structure Interaction for Transient and Steady State Analysis of Aero Engines Applications
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Topics: Aircraft engines, Cavities, Compressors, Engines, Fluid structure interaction, Heat transfer, High pressure (Physics), Steady state, Transients (Dynamics)
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

Experimental and Numerical Investigation on Heat Transfer and Flow Characteristics of Array Jet Impingement Cooling With Film Extraction at the Turbine Shroud

Guodong Li, Tao Guo, Fei Zeng, Cunliang Liu, Jiayu Li, Changwei Li, Shanjie Liu
Proc. ASME. GT2024, Volume 8: Heat Transfer: Internal Air Systems; Heat Transfer: Internal Cooling; Industrial and Cogeneration, V008T15A018, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126331
https://doi.org/10.1115/GT2024-126331
View Paper titled, Experimental and Numerical Investigation on Heat Transfer and Flow Characteristics of Array Jet Impingement Cooling With Film Extraction at the Turbine Shroud
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Topics: Computer simulation, Flow (Dynamics), Heat transfer, Impingement cooling, Liquid crystals, Steady state, Thermography, Turbines
Proceedings Papers

An Analytical Study on the Effect of Non-Uniform Vane Spacing on Forced Response Reduction in a Mistuned Blisk Rotor in a Multistage Axial Compressor

Yujun Leng, Jhansi R. Dodda, Nicole L. Key
Proc. ASME. GT2024, Volume 10A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing, V10AT21A023, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-134043
https://doi.org/10.1115/GT2024-134043
View Paper titled, An Analytical Study on the Effect of Non-Uniform Vane Spacing on Forced Response Reduction in a Mistuned Blisk Rotor in a Multistage Axial Compressor
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Topics: Bladed disks, Compressors, Damping, Rotors, Blades, Stators, Excitation, Design, Engines, Optimization
Proceedings Papers

Field Performance Testing and Test Codes for Gas Compressors

Klaus Brun, Rainer Kurz
Proc. ASME. GT2024, Volume 9: Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications; Steam Turbine, V009T19A009, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122217
https://doi.org/10.1115/GT2024-122217
View Paper titled, Field Performance Testing and Test Codes for Gas Compressors
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Topics: Gas compressors, Testing performance, Compressors, Uncertainty, Economics , Equations of state, Errors, Steady state, Testing
Proceedings Papers

Application of Nonlinear Frequency Response Analysis for Windmilling

Devesh Kumar, Don Powell, David Carlson, J. S. Kumar, Jianming Cao
Proc. ASME. GT2024, Volume 10B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V10BT26A004, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122018
https://doi.org/10.1115/GT2024-122018
View Paper titled, Application of Nonlinear Frequency Response Analysis for Windmilling
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Topics: Frequency response, Algebra, Computer software, Frequency standards, Newton's method, Robustness, Rotordynamics, Steady state, Time-domain analysis
Proceedings Papers

A Method to Develop Radial Inflow Turbine Performance Maps for Off-Design and Dynamic Simulation Studies of sCO2 Cycles

Colin du Sart, Pieter Rousseau, Ryno Laubscher
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A030, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127958
https://doi.org/10.1115/GT2024-127958
View Paper titled, A Method to Develop Radial Inflow Turbine Performance Maps for Off-Design and Dynamic Simulation Studies of sCO2 Cycles
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Topics: Cycles, Design, Inflow, Simulation, Turbines, Fluids, Turbomachinery, Boundary-value problems, Brayton cycle, Concentrating solar power
Proceedings Papers

Thermal Performance Characterization of Dry Gas Seals in a sCO 2 Compressor

Rahul A. Bidkar, Uttara Kumar, Xiaohua Zhang, Nora Molino, Joshua Neveu, John Klaerner, Jeremy Johnson, J. Jeffrey Moore
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A035, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128872
https://doi.org/10.1115/GT2024-128872
View Paper titled, Thermal Performance Characterization of Dry Gas Seals in a sCO 2 Compressor
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Topics: Compressors, Heat transfer, Performance characterization, Turbomachinery, Flow (Dynamics), Temperature, Cavities, Failure, Supercritical carbon dioxide, Accounting
Proceedings Papers

Transient Thermo-Structural Analysis of a Throttle Valve Operated With sCO2

Cosimo Bianchini, Davide Bertini, Simone Sandrin, Vanessa Mariotti, Nicola Maceli, Lorenzo Arcangeli
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A038, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129030
https://doi.org/10.1115/GT2024-129030
View Paper titled, Transient Thermo-Structural Analysis of a Throttle Valve Operated With sCO2
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Topics: Transients (Dynamics), Valves, Flow (Dynamics), Steady state, Carbon dioxide, Computational fluid dynamics, Design, Finite element analysis, Heat transfer, Metals
Proceedings Papers

Off-Design Heat Exchanger Modelling for Transcritical CO 2 Heat Pump Cycles

Leonhard Wolscht, Maxime Podeur, Martin Adams, Emmanuel Jacquemoud
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A022, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126683
https://doi.org/10.1115/GT2024-126683
View Paper titled, Off-Design Heat Exchanger Modelling for Transcritical CO 2 Heat Pump Cycles
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Topics: Carbon dioxide, Design, Heat exchangers, Heat pump cycles, Heat pumps, Modeling, Steady state
Proceedings Papers

Compressor Development for CO 2 -Based Pumped Thermal Energy Storage (PTES) Systems

Timothy J. Held, Jason Miller, Kyle Sedlacko, Joshua Cameron, Scott Morris, Jeongseek Kang, Mark Turner
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A013, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124070
https://doi.org/10.1115/GT2024-124070
View Paper titled, Compressor Development for CO 2 -Based Pumped Thermal Energy Storage (PTES) Systems
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Topics: Carbon dioxide, Compressors, Thermal energy storage, Cycles, Design, Conceptual design, Pressure, Reservoirs, Engines, Fluid density