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Proceedings Papers

Flow Reconstruction in a Transonic Turbine Cascade Using Physics-Informed Neural Networks (PINNs)

Ezra O. McNichols, Paht Juangphanich, Mallory S. Hawke, Ethan J. Shoemaker, Mackinnon J. Poulson, Meghan E. Brandt, Jeffrey P. Bons
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT32A049, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128885
https://doi.org/10.1115/GT2024-128885
View Paper titled, Flow Reconstruction in a Transonic Turbine Cascade Using Physics-Informed Neural Networks (PINNs)
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Topics: Artificial neural networks, Cascades (Fluid dynamics), Flow (Dynamics), Physics, Turbines, Blades, Pressure, Mach number, Turbine blades, Boundary-value problems
Proceedings Papers

Reassessment of the Conventional: Numerical Validation of a 1D Model for the Prediction of Volute Losses

Thomas Ceyrowsky, André Hildebrandt, Martin Heinrich, Rüdiger Schwarze
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT35A002, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121765
https://doi.org/10.1115/GT2024-121765
View Paper titled, Reassessment of the Conventional: Numerical Validation of a 1D Model for the Prediction of Volute Losses
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Topics: Boundary-value problems, Compressors, Computational fluid dynamics, Databases, Design, Diffusers, Flow (Dynamics), Fluids, Kinetic energy, Physics
Proceedings Papers

Investigation on the Effect of Resolving Waves Motion in the Simulation of Offshore Wind Farms

Filippo De Girolamo, Alessio Castorrini, Vincenzo Morici, Lorenzo Tieghi, Franco Rispoli
Proc. ASME. GT2024, Volume 13: Heat Transfer: General Interest / Additive Manufacturing Impacts on Heat Transfer; Wind Energy, V013T37A010, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124860
https://doi.org/10.1115/GT2024-124860
View Paper titled, Investigation on the Effect of Resolving Waves Motion in the Simulation of Offshore Wind Farms
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Topics: Ocean engineering, Simulation, Waves, Wind farms, Turbulence, Wakes, Seas, Wind, Fluctuations (Physics), Modeling
Proceedings Papers

Optimization of a Battery Electric Hybrid Propulsion System for a Short Range Aircraft

Jonas Schroeter, Fabian Armbrüster, Reinhold Schaber, Volker Gümmer
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A037, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125840
https://doi.org/10.1115/GT2024-125840
View Paper titled, Optimization of a Battery Electric Hybrid Propulsion System for a Short Range Aircraft
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Topics: Aircraft, Batteries, Design, Gas turbines, Optimization, Propulsion systems, Boundary-value problems, Drag (Fluid dynamics), Modeling, Thermal management
Proceedings Papers

Development of a Modular Engine Performance Calculation Tool for Prediction of Conventional and Hybrid-Electric Aircraft Engines

Marcus Wiegand, Lukas Schuchard, Tony Krüger, Ronald Mailach
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A036, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125821
https://doi.org/10.1115/GT2024-125821
View Paper titled, Development of a Modular Engine Performance Calculation Tool for Prediction of Conventional and Hybrid-Electric Aircraft Engines
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Topics: Aircraft engines, Engines, Design, Emissions, Flight, Aviation, Climate, Turbofans, Batteries, Boundary-value problems
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

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

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
Proceedings Papers

The Effect of Acoustic Boundary Conditions on the Oscillation Mode Transition of Combustion System

Yudi Lu, Ming Jin, Bing Ge, Shusheng Zang
Proc. ASME. GT2024, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A065, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126198
https://doi.org/10.1115/GT2024-126198
View Paper titled, The Effect of Acoustic Boundary Conditions on the Oscillation Mode Transition of Combustion System
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Topics: Acoustics, Boundary-value problems, Combustion systems, Oscillations
Proceedings Papers

Axial Flow Fan Performance in a Forced Draught Air-Cooled Heat Exchanger for a sCO 2 Brayton Cycle

Francois D. Boshoff, Sybrand J. van der Spuy, Johannes P. Pretorius
Proc. ASME. GT2024, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T10A001, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-120962
https://doi.org/10.1115/GT2024-120962
View Paper titled, Axial Flow Fan Performance in a Forced Draught Air-Cooled Heat Exchanger for a sCO 2 Brayton Cycle
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Topics: Axial flow, Brayton cycle, Heat exchangers, Computational fluid dynamics, Cooling, Flow (Dynamics), Air flow, Design, Boundary-value problems, Concentrating solar power
Proceedings Papers

Heat Transfer Coefficients in a Three-Passage Ribbed Channel Using a Transient Liquid Crystal Technique

Lesley M. Wright, Chao-Cheng Shiau, Je-Chin Han, Robert Krewinkel
Proc. ASME. GT2024, Volume 8: Heat Transfer: Internal Air Systems; Heat Transfer: Internal Cooling; Industrial and Cogeneration, V008T15A032, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129107
https://doi.org/10.1115/GT2024-129107
View Paper titled, Heat Transfer Coefficients in a Three-Passage Ribbed Channel Using a Transient Liquid Crystal Technique
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Topics: Heat transfer coefficients, Liquid crystals, Transients (Dynamics), Flow (Dynamics), Temperature, Transient heat transfer, Convection, Heat transfer, Blades, Boundary-value problems
Proceedings Papers

Conjugate Modelling of a Fully Film Cooled Vane at Transonic Conditions

Jacob Swartz, Stephen Lynch, Matthew Krull, Isabella Gayoso
Proc. ASME. GT2024, Volume 7: Heat Transfer: Combustors; Heat Transfer: Film Cooling, V007T12A042, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128219
https://doi.org/10.1115/GT2024-128219
View Paper titled, Conjugate Modelling of a Fully Film Cooled Vane at Transonic Conditions
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Topics: Modeling, Cooling, Temperature, Heat transfer, Flow (Dynamics), Blades, Computational fluid dynamics, Convection, Film cooling, Mach number
Proceedings Papers

Numerical Study on the Influence of Purge Slot Shapes on the Film Cooling Performance of Endwall With the Mainstream Swirl

Jinghan Zhang, Gang Xie, Yuzhu Lou, Haiwang Li
Proc. ASME. GT2024, Volume 7: Heat Transfer: Combustors; Heat Transfer: Film Cooling, V007T12A032, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127007
https://doi.org/10.1115/GT2024-127007
View Paper titled, Numerical Study on the Influence of Purge Slot Shapes on the Film Cooling Performance of Endwall With the Mainstream Swirl
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Topics: Adiabatic cooling, Boundary-value problems, Combustion chambers, Cooling, Design, Film cooling, Flames, Flow (Dynamics), Gas turbines, Manufacturing
Proceedings Papers

The Impact of Pad Elasticity on Frequency-Dependent Linear Dynamic Coefficients of Tilting-Pad Journal Bearings

Daniel Vetter, Philipp Zemella, Thomas Hagemann, Hubert Schwarze
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, V10AT22A013, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126246
https://doi.org/10.1115/GT2024-126246
View Paper titled, The Impact of Pad Elasticity on Frequency-Dependent Linear Dynamic Coefficients of Tilting-Pad Journal Bearings
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Topics: Elasticity, Journal bearings, Stiffness, Bearings, Boundary-value problems, Deformation, Film thickness, Finite element model, Hydrodynamics, Lubricants
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

Comparison of Ingestion of Different Size Hard and Soft Bodies Into a Representative Fan Assembly Model

Rashid E. Mattar, Dushyanth Sirivolu, Kiran D’Souza
Proc. ASME. GT2024, Volume 10B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V10BT27A023, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126793
https://doi.org/10.1115/GT2024-126793
View Paper titled, Comparison of Ingestion of Different Size Hard and Soft Bodies Into a Representative Fan Assembly Model
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Topics: Manufacturing, Damage, Aircraft, Blades, Stress, Boundary-value problems, Hazards, Ice, Jet engines, Safety
Proceedings Papers

Design and Integration of a Microtube Precooler Into an Aircraft Engine Waste Heat Recovery and Fuel Systems

Claire-Phonie Bury, Ladislav Vesely, Jayanta Kapat, Mingxuan Shi, Michael Stoia
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A049, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129421
https://doi.org/10.1115/GT2024-129421
View Paper titled, Design and Integration of a Microtube Precooler Into an Aircraft Engine Waste Heat Recovery and Fuel Systems
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Topics: Aircraft engines, Design, Fuel systems, Heat exchangers, Heat recovery, Aviation, Boundary-value problems, Brayton cycle, Carbon footprint, Cracking (Materials)
Proceedings Papers

Pulsations and Vibrations in the Discharge Piping of a Throttled Supercritical CO 2 Turbine

Jason Wilkes, Abhay Patil, Jon Bygrave
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A036, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128951
https://doi.org/10.1115/GT2024-128951
View Paper titled, Pulsations and Vibrations in the Discharge Piping of a Throttled Supercritical CO 2 Turbine
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Topics: Pipes, Supercritical carbon dioxide, Turbines, Vibration, Computational fluid dynamics, Design, Flow (Dynamics), Testing, Whirls, Boundary-value problems
Proceedings Papers

A Scalable Conjugate Heat Transfer Method Applied to Engine Transients

Neil H. E. Paul, Nicholas R. Atkins, Tobias Brandvik
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT32A052, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129297
https://doi.org/10.1115/GT2024-129297
View Paper titled, A Scalable Conjugate Heat Transfer Method Applied to Engine Transients
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Topics: Engines, Heat transfer, Transients (Dynamics), Fluids, Computational fluid dynamics, Boundary-value problems, Cavities, Finite element analysis, Inflow, Stability
Proceedings Papers

Modeling Combustor Turbine Interaction Using Efficient Joint Simulation Strategy

Ishan Verma, Laith Zori, Jaydeep Basani, Benjamin Kamrath, Dustin Brandt
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT36A012, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126729
https://doi.org/10.1115/GT2024-126729
View Paper titled, Modeling Combustor Turbine Interaction Using Efficient Joint Simulation Strategy
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Topics: Combustion chambers, Modeling, Simulation, Turbines, Boundary-value problems, Flow (Dynamics), Rotors, Blades, Combustion, Computer simulation
Proceedings Papers

Development and Validation of an Isolated Unsteady Diffuser Computational Model for a Vaned Centrifugal Compressor

Benjamin Holtmann, Mark Shapochka, Nicole Key
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT35A021, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128050
https://doi.org/10.1115/GT2024-128050
View Paper titled, Development and Validation of an Isolated Unsteady Diffuser Computational Model for a Vaned Centrifugal Compressor
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Topics: Boundary-value problems, Compressors, Computer simulation, Design, Diffusers, Modeling