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Proceedings Papers

LES Analysis of Loss Anomaly of a Turbine Blade With Large Trailing Edge Radius

Kenji Miki, Ali Ameri, Paul Giel
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT36A020, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128243
https://doi.org/10.1115/GT2024-128243
View Paper titled, LES Analysis of Loss Anomaly of a Turbine Blade With Large Trailing Edge Radius
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Topics: Ceramic matrix composites, Turbine blades, Vortex shedding, Pressure, Reynolds number, Waves, Wakes, Blades, Aerodynamics, Cascades (Fluid dynamics)
Proceedings Papers

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

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

The Effect of Flight Speed and Altitude on Windmilling Restart Operation of Turbofan Engine System

Jingkai Zhang, Zhitao Wang, Shuying Li, Pengfei Wei
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A026, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124058
https://doi.org/10.1115/GT2024-124058
View Paper titled, The Effect of Flight Speed and Altitude on Windmilling Restart Operation of Turbofan Engine System
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Topics: Cycles, Engines, Flight, Turbofans, Compressors, Flames, Aircraft engines, Control equipment, Economics , Fuels
Proceedings Papers

Intrinsic Thermoacoustic Feedback in Auto-Ignition Flames Stabilized in a Converging-Diverging Nozzle

Fernando Biagioli, Khawar J. Syed
Proc. ASME. GT2024, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A038, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128594
https://doi.org/10.1115/GT2024-128594
View Paper titled, Intrinsic Thermoacoustic Feedback in Auto-Ignition Flames Stabilized in a Converging-Diverging Nozzle
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Topics: Feedback, Flames, Ignition, Nozzles, Acoustics, Combustion, Ducts, Reflection, Waves, Dynamics (Mechanics)
Proceedings Papers

Numerical Study of Flow and Combustion Dynamics in a Hydrogen-Air Rotating Detonation Combustor-Stator Integrated System

Pinaki Pal, James Braun, Yiqing Wang, Venkat Athmanathan, Guillermo Paniagua, Terrence R. Meyer
Proc. ASME. GT2024, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A059, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129058
https://doi.org/10.1115/GT2024-129058
View Paper titled, Numerical Study of Flow and Combustion Dynamics in a Hydrogen-Air Rotating Detonation Combustor-Stator Integrated System
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Topics: Combustion, Combustion chambers, Dynamics (Mechanics), Explosions, Flow (Dynamics), Hydrogen, Integrated systems, Stators, Waves, Nozzle guide vanes
Proceedings Papers

Application of Machine Learning Techniques in Calibration and Data Reduction of Multi-Hole Probes

Arman Mirhashemi, Paht Juangphanich, Kenji Miki
Proc. ASME. GT2024, Volume 4: Controls, Diagnostics, and Instrumentation, V004T05A044, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128955
https://doi.org/10.1115/GT2024-128955
View Paper titled, Application of Machine Learning Techniques in Calibration and Data Reduction of Multi-Hole Probes
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Topics: Calibration, Machine learning, Probes, Artificial neural networks, Flow (Dynamics), Algorithms, Pressure, Pressure measurement, Surface fitting, Uncertainty
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

Validation of a Methodology to Assess the Flutter Limit Cycle Oscillation Amplitude of Low-Pressure Turbine Bladed-Disks - Part I: Mach Number Effects

Alvaro Escudero, Salvador Rodríguez-Blanco, Roque Corral
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, V10AT21A017, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129074
https://doi.org/10.1115/GT2024-129074
View Paper titled, Validation of a Methodology to Assess the Flutter Limit Cycle Oscillation Amplitude of Low-Pressure Turbine Bladed-Disks - Part I: Mach Number Effects
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Topics: Bladed disks, Flutter (Aerodynamics), Limit cycles, Mach number, Oscillations, Pressure, Turbines, Damping, Vibration, Blades
Proceedings Papers

Parametric Study on the Duct Intake Reflection Coefficients for Fan Flutter Analyses

Jose Miguel Perez, Roque Corral
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, V10AT21A019, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129159
https://doi.org/10.1115/GT2024-129159
View Paper titled, Parametric Study on the Duct Intake Reflection Coefficients for Fan Flutter Analyses
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Topics: Ducts, Flutter (Aerodynamics), Reflectance, Acoustics, Waves, Aircraft engines, Reflection, Mach number, Noise (Sound), Vibration
Proceedings Papers

A Rapid Test Facility for Transonic Compressors and Fans

Tianhou Wang, James V. Taylor, Robert J. Miller
Proc. ASME. GT2024, Volume 12A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V12AT29A002, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121459
https://doi.org/10.1115/GT2024-121459
View Paper titled, A Rapid Test Facility for Transonic Compressors and Fans
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Topics: Compressors, Fans, Test facilities, Testing, Design, Geometry, Mach number, Creativity, Cycles, Engines
Proceedings Papers

Nature of Transonic Compressor Flow: Importance of 3D A throat /A inlet Part I: Subsonic Mach Numbers

Demetrios Lefas
Proc. ASME. GT2024, Volume 12A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V12AT29A046, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128748
https://doi.org/10.1115/GT2024-128748
View Paper titled, Nature of Transonic Compressor Flow: Importance of 3D A throat /A inlet Part I: Subsonic Mach Numbers
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Topics: Compressors, Flow (Dynamics), Mach number, Design, Blades, Shock (Mechanics), Geometry, Transonic flow, Accounting, Computational fluid dynamics
Proceedings Papers

Investigation of a Transonic Dense Gas Flow Over an Idealized Blade Vane Configuration

Leander Hake, Stefan aus der Wiesche, Stephan Sundermeier, Maximilian Passmann, Aurelien Bienner, Xavier Gloerfelt, Paola Cinnella
Proc. ASME. GT2024, Volume 12B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V12BT30A035, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127215
https://doi.org/10.1115/GT2024-127215
View Paper titled, Investigation of a Transonic Dense Gas Flow Over an Idealized Blade Vane Configuration
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Topics: Blades, Flow (Dynamics), Gas flow, Pressure, Airfoils, Compressibility, Computer simulation, Cycles, Mach number, Organic Rankine cycle
Proceedings Papers

Experimental Evaluation of High Lift, High Work LPT Blades in a Transonic Cascade

Ryan R. Sauder, Mitch Wolff, Gloria E. Savela, Geoffrey B. Norris, Andrew T. Lethander, Natalia A. Posada, John P. Clark
Proc. ASME. GT2024, Volume 12B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V12BT30A020, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125023
https://doi.org/10.1115/GT2024-125023
View Paper titled, Experimental Evaluation of High Lift, High Work LPT Blades in a Transonic Cascade
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Topics: Airfoils, Blades, Cascades (Fluid dynamics), Pressure, Turbines, Design, Engines, Mach number, Reynolds number, Separation (Technology)
Proceedings Papers

Large Eddy Simulations of a High-Speed Low-Pressure Turbine Cascade at Subsonic and Transonic Mach Numbers

Patrick Tene Hedje, Laurent Bricteux, Yacine Bechane, Sergio Lavagnoli
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT32A032, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127182
https://doi.org/10.1115/GT2024-127182
View Paper titled, Large Eddy Simulations of a High-Speed Low-Pressure Turbine Cascade at Subsonic and Transonic Mach Numbers
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Topics: Cascades (Fluid dynamics), Compressibility, Large eddy simulation, Mach number, Pressure, Turbines
Proceedings Papers

Lattice-Boltzmann Modelling of Internal Compressible Flows: Application to the Transonic LS89 Cascade

Iason Tsetoglou, Song Zhao, Jérôme Jacob, Pierre Boivin
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT32A014, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-123051
https://doi.org/10.1115/GT2024-123051
View Paper titled, Lattice-Boltzmann Modelling of Internal Compressible Flows: Application to the Transonic LS89 Cascade
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Topics: Cascades (Fluid dynamics), Compressible flow, Internal flow, Lattice Boltzmann methods, Modeling, Flow (Dynamics), Blades, Computational fluid dynamics, Convection, Gas turbines
Proceedings Papers

Unsteady Loss Mechanisms in Low-Pressure Turbines With Diverging End-Walls Studied via High-Fidelity Simulation

Marco Rosenzweig, Melissa Kozul, Richard D. Sandberg
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT36A010, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125408
https://doi.org/10.1115/GT2024-125408
View Paper titled, Unsteady Loss Mechanisms in Low-Pressure Turbines With Diverging End-Walls Studied via High-Fidelity Simulation
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Topics: Pressure, Simulation, Turbines, Wakes, Blades, Flow (Dynamics), Boundary layers, Engines, Cascades (Fluid dynamics), Mach number
Proceedings Papers

Design of a Multi-Purpose High-Speed Rotating Rig, for the Rapid Testing of Compressor, Turbine and Fan Single Stages

Leon Harman, Kristian Mahon, Richard Lock, Thomas Bradwell, Nick Atkins, Tolga Yasa, James Taylor
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT32A024, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125663
https://doi.org/10.1115/GT2024-125663
View Paper titled, Design of a Multi-Purpose High-Speed Rotating Rig, for the Rapid Testing of Compressor, Turbine and Fan Single Stages
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Topics: Compressors, Design, Testing, Turbines, Blades, Engines, Air flow, Chords (Trusses), Containment, Design methodology
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

Reynolds Number Calibration Coefficient for Multi-Hole Pneumatic Probes

Johannes Bachner, Andreas Pahs
Proc. ASME. GT2023, Volume 4: Controls, Diagnostics, and Instrumentation, V004T05A007, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101320
https://doi.org/10.1115/GT2023-101320
View Paper titled, Reynolds Number Calibration Coefficient for Multi-Hole Pneumatic Probes
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Topics: Calibration, Probes, Reynolds number, Pressure, Mach number, Transonic flow, Additive manufacturing, Errors, Flow (Dynamics), Interpolation
Proceedings Papers

A Novel Prediction Model for the Aerodynamic Losses Increase Due to Film Cooling Injections From Gas Turbine Vane Surface

Yulin Wang, Can Guo, Xinnan Chen, Tianyi Sun, Dawei Chen, Zhigang Li, Jun Li
Proc. ASME. GT2023, Volume 7A: Heat Transfer — Combustors; Film Cooling, V07AT12A015, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102906
https://doi.org/10.1115/GT2023-102906
View Paper titled, A Novel Prediction Model for the Aerodynamic Losses Increase Due to Film Cooling Injections From Gas Turbine Vane Surface
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Topics: Film cooling, Gas turbines, Pressure, Coolants, Cascades (Fluid dynamics), Turbines, Computer simulation, Suction, Airfoils, Computational fluid dynamics