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Proceedings Papers

Reverse Thrust Aerodynamics of Variable Pitch Fans With Inlet Distortion

Kwun Yeung Ma, Cesare A. Hall, Tianhou Wang, Tim S. Williams
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A006, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121728
https://doi.org/10.1115/GT2024-121728
View Paper titled, Reverse Thrust Aerodynamics of Variable Pitch Fans With Inlet Distortion
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Topics: Aerodynamics, Fans, Thrust
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

Numerical Analysis of Jet Impingement Heat Transfer for Gas Turbine Rotor Blades

Filippo Pagnoni, Damien Archambaud, Ignacio Gonzalez-Martino, Benoît Bonnal
Proc. ASME. GT2024, Volume 8: Heat Transfer: Internal Air Systems; Heat Transfer: Internal Cooling; Industrial and Cogeneration, V008T15A013, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-123990
https://doi.org/10.1115/GT2024-123990
View Paper titled, Numerical Analysis of Jet Impingement Heat Transfer for Gas Turbine Rotor Blades
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Topics: Blades, Cooling, Gas turbines, Heat transfer, Numerical analysis, Reynolds-averaged Navier–Stokes equations, Rotors, Cavities, Engineering simulation, Simulation
Proceedings Papers

Investigation of Grooved Front Plate for Inlet Swirl Reduction in Brush Seals

Abdullah M. Abbas, Michael J. Pekris, John W. Chew
Proc. ASME. GT2024, Volume 8: Heat Transfer: Internal Air Systems; Heat Transfer: Internal Cooling; Industrial and Cogeneration, V008T14A015, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127753
https://doi.org/10.1115/GT2024-127753
View Paper titled, Investigation of Grooved Front Plate for Inlet Swirl Reduction in Brush Seals
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Topics: Aerodynamics, Clearances (Engineering), Computational fluid dynamics, Design, Drag (Fluid dynamics), Engines, Experimental design, Flow (Dynamics), Fluid-dynamic forces, Fuel efficiency
Proceedings Papers

A Combined LES and PIV Investigation of Trenched Fan-Shaped Hole Aerodynamics

Giovanna Barigozzi, Ali Zamiri, Stefano Gamba, Ilaria Spozio, Jin Taek Chung
Proc. ASME. GT2024, Volume 7: Heat Transfer: Combustors; Heat Transfer: Film Cooling, V007T12A006, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122510
https://doi.org/10.1115/GT2024-122510
View Paper titled, A Combined LES and PIV Investigation of Trenched Fan-Shaped Hole Aerodynamics
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Topics: Aerodynamics, Particle image velocimetry, Cavities, Computer simulation, Coolants, Corners (Structural elements), Design, Eddies (Fluid dynamics), Film cooling, Flat plates
Proceedings Papers

Numerical Study of Low Engine Order Excitations due to Manufacturing Variability Part 1: Characterization of the Geometric Scatter and its Effect on Forced Response

Óscar Pérez Escobar, Vicente Timón, Juan Manuel Gallardo
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, V10AT21A011, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126586
https://doi.org/10.1115/GT2024-126586
View Paper titled, Numerical Study of Low Engine Order Excitations due to Manufacturing Variability Part 1: Characterization of the Geometric Scatter and its Effect on Forced Response
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Topics: Electromagnetic scattering, Engines, Excitation, Geometry, Manufacturing, Airfoils, Aerodynamics, Blades, Aeroelasticity, Computational fluid dynamics
Proceedings Papers

Experiments on Structurally Mistuned UHBR Open-Test-Case Fan ECL5/CATANA

Christoph Brandstetter, Alexandra P. Schneider, Anne-Lise Fiquet, Benoit Paoletti, Xavier Ottavy
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, V10AT21A020, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129163
https://doi.org/10.1115/GT2024-129163
View Paper titled, Experiments on Structurally Mistuned UHBR Open-Test-Case Fan ECL5/CATANA
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Topics: Acoustics, Aerodynamics, Architecture, Blades, Carbon composites, Clearances (Engineering), Compressors, Convection, Engines, Fans
Proceedings Papers

Aeroelastic Influence of Blade-Shaft Coupling in a 1 1/2-Stage Axial Compressor

Niklas Maroldt, Joerg R. Seume
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, V10AT21A005, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124275
https://doi.org/10.1115/GT2024-124275
View Paper titled, Aeroelastic Influence of Blade-Shaft Coupling in a 1 1/2-Stage Axial Compressor
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Topics: Blades, Compressors, Structural dynamics, Damping, Vibration, Design, Frequency response, Simulation, Acoustics, Aerodynamics
Proceedings Papers

Validation of a Methodology to Assess the Flutter Limit Cycle Oscillation Amplitude of Low-Pressure Turbine Bladed-Disks - Part II: Shaft Speed 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, V10AT21A018, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129134
https://doi.org/10.1115/GT2024-129134
View Paper titled, Validation of a Methodology to Assess the Flutter Limit Cycle Oscillation Amplitude of Low-Pressure Turbine Bladed-Disks - Part II: Shaft Speed Effects
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Topics: Bladed disks, Flutter (Aerodynamics), Limit cycles, Oscillations, Pressure, Turbines, Vibration, Dry friction, Friction, Aerodynamics
Proceedings Papers

Effect of Water Injection on Turbofan Engine Compressor Operation and Aerodynamics

Natan Zawadzki, Artur Szymański, Uyioghosa Igie
Proc. ASME. GT2024, Volume 12A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V12AT29A023, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125908
https://doi.org/10.1115/GT2024-125908
View Paper titled, Effect of Water Injection on Turbofan Engine Compressor Operation and Aerodynamics
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Topics: Aerodynamics, Compressors, Computational fluid dynamics, Engines, Turbofans, Underground injection
Proceedings Papers

Investigations on Unsteady Flow Structure Formation in Tandem Bladed Axial Flow Compressor Stage

Ajey Singh, Chetankumar S. Mistry
Proc. ASME. GT2024, Volume 12A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V12AT29A052, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129574
https://doi.org/10.1115/GT2024-129574
View Paper titled, Investigations on Unsteady Flow Structure Formation in Tandem Bladed Axial Flow Compressor Stage
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Topics: Axial flow, Blades, Flow (Dynamics), Nozzles, Unsteady flow, Wakes, Rotors, Stators, Compressors, Design
Proceedings Papers

Effect of Blade Damage on Low Pressure Ratio Fan Windmill Aerodynamics

Sofía I. Medina Cassillas, Alejandro Castillo Pardo, Cesare A. Hall, Benjamin Mohankumar
Proc. ASME. GT2024, Volume 12A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V12AT29A005, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122107
https://doi.org/10.1115/GT2024-122107
View Paper titled, Effect of Blade Damage on Low Pressure Ratio Fan Windmill Aerodynamics
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Topics: Aerodynamics, Blades, Damage, Pressure, Flow (Dynamics), Computational fluid dynamics, Air flow, Chords (Trusses), Design, Drag (Fluid dynamics)
Proceedings Papers

Numerical Study on the Effect of Back Cavity on the Aerodynamic Behavior of a Non-Axisymmetric Casing Treatment for Transonic Axial Compressors

Simon Martin, Benoit Rodriguez
Proc. ASME. GT2024, Volume 12A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V12AT29A004, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121845
https://doi.org/10.1115/GT2024-121845
View Paper titled, Numerical Study on the Effect of Back Cavity on the Aerodynamic Behavior of a Non-Axisymmetric Casing Treatment for Transonic Axial Compressors
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Topics: Aerodynamics, Cavities, Compressors, Computational fluid dynamics
Proceedings Papers

Flow Variations in Transonic Compressors Tip Flow — An Experimental Perspective Utilizing High Speed PIV

Fabian Klausmann, Jonas Bargon, Heinz-Peter Schiffer
Proc. ASME. GT2024, Volume 12A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V12AT29A027, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126281
https://doi.org/10.1115/GT2024-126281
View Paper titled, Flow Variations in Transonic Compressors Tip Flow — An Experimental Perspective Utilizing High Speed PIV
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Topics: Aerodynamics, Compressors, Flow (Dynamics), Particle image velocimetry
Proceedings Papers

Towards New Insights in Gas Turbine Aerothermodynamics With Wall-Modeled LES and Immersed Boundary Method

Francesco De Vanna, Ernesto Benini
Proc. ASME. GT2024, Volume 12B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V12BT30A001, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121022
https://doi.org/10.1115/GT2024-121022
View Paper titled, Towards New Insights in Gas Turbine Aerothermodynamics With Wall-Modeled LES and Immersed Boundary Method
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Topics: Aerodynamics, Gas turbines, Graphics processing units
Proceedings Papers

An Aerodynamic Investigation of a High-Pressure Turbine Using Rotor Casing Static Pressure Measurements at Engine Representative Conditions With Different Tip Designs, Tip Gaps and Inlet Temperature Profiles

Deepanshu Singh, Paul F. Beard, David Cardwell, Vianney Staelens, Pratik Bahulekar, Mark Stokes, Simon Bather, Kam S. Chana
Proc. ASME. GT2024, Volume 12B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V12BT30A011, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122649
https://doi.org/10.1115/GT2024-122649
View Paper titled, An Aerodynamic Investigation of a High-Pressure Turbine Using Rotor Casing Static Pressure Measurements at Engine Representative Conditions With Different Tip Designs, Tip Gaps and Inlet Temperature Profiles
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Topics: Engines, High pressure (Physics), Pressure measurement, Rotors, Temperature profiles, Turbines, Stress, Aerodynamics, Computational fluid dynamics, Heat
Proceedings Papers

Impact of Steady-State and Mixing Plane Assumptions: An Application to an Industrial Two-Stage High-Pressure Turbine

Lorenzo Mazzei, Niccolò Casini, Riccardo Da Soghe, Vittorio Michelassi, Alessandro Ciani, Tomasz Jurek, Luca Andrei
Proc. ASME. GT2024, Volume 12B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V12BT30A046, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129052
https://doi.org/10.1115/GT2024-129052
View Paper titled, Impact of Steady-State and Mixing Plane Assumptions: An Application to an Industrial Two-Stage High-Pressure Turbine
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Topics: Aerodynamics, Computational fluid dynamics, Gas turbines, High pressure (Physics), Steady state, Turbines, Design, Cavities, Cooling, Flow (Dynamics)
Proceedings Papers

Numerical Study on Unsteady Flow of a Supersonic Partial Admission Impulse Turbine

Tongxi Li, Jiakang Wang, Zhiheng Wang, Guang Xi
Proc. ASME. GT2024, Volume 12B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V12BT30A038, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127765
https://doi.org/10.1115/GT2024-127765
View Paper titled, Numerical Study on Unsteady Flow of a Supersonic Partial Admission Impulse Turbine
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Topics: Aerodynamics, Fluid-dynamic forces, Impulse (Physics), Turbines, Unsteady flow
Proceedings Papers

High Effectiveness Tip Cooling Using Inclined Slots

Macdonald Mutekwa, Joao Vieira, Maximilian G. Farfaras, John D. Coull, Marko Bacic, Peter T. Ireland
Proc. ASME. GT2024, Volume 12B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V12BT30A007, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121742
https://doi.org/10.1115/GT2024-121742
View Paper titled, High Effectiveness Tip Cooling Using Inclined Slots
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Topics: Cooling, Coolants, Design, Blades, Pressure, Turbines, Aerodynamics, Cascades (Fluid dynamics), Density, Engines
Proceedings Papers

Impact of Lean on Aerodynamic Performance of a Turbine Rear Structure

Srikanth Deshpande, Mattia Ricchi, Jonas Larsson, Valentin Vikhorev, Valery Chernoray
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT33A005, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122626
https://doi.org/10.1115/GT2024-122626
View Paper titled, Impact of Lean on Aerodynamic Performance of a Turbine Rear Structure
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Topics: Turbines, Design, Pressure, Numerical analysis, Jet engines, Aerodynamics, Engineering disciplines, Engines, Experimental methods, Flow (Dynamics)