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Proceedings Papers

Impact of Turbine-Strut Clocking and Turbine Outlet Swirl on the Heat Transfer and Film Cooling in an Aggressive Turbine Center Frame

Patrick R. Jagerhofer, Tobias Glasenapp, Bastian Patzer, Emil Göttlich
Proc. ASME. GT2024, Volume 13: Heat Transfer: General Interest / Additive Manufacturing Impacts on Heat Transfer; Wind Energy, V013T13A020, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125644
https://doi.org/10.1115/GT2024-125644
View Paper titled, Impact of Turbine-Strut Clocking and Turbine Outlet Swirl on the Heat Transfer and Film Cooling in an Aggressive Turbine Center Frame
Open the PDF for Impact of Turbine-Strut Clocking and Turbine Outlet Swirl on the Heat Transfer and Film Cooling in an Aggressive Turbine Center Frame in another window
Topics: Film cooling, Heat transfer, Struts (Engineering), Turbines, Flow (Dynamics), Heat transfer coefficients, Airfoils, Ducts, High pressure (Physics), Pressure
Proceedings Papers

Numerical Simulation and Prediction Using Neural Network for Internal Flow Field and Outlet Distortion Contour of S-Shape Inlet Ducts

ShiXuan Wang, Min Zhang, Juan Du, Dun Ba, ChaoQun Nie, YangYang Wang
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A050, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128513
https://doi.org/10.1115/GT2024-128513
View Paper titled, Numerical Simulation and Prediction Using Neural Network for Internal Flow Field and Outlet Distortion Contour of S-Shape Inlet Ducts
Open the PDF for Numerical Simulation and Prediction Using Neural Network for Internal Flow Field and Outlet Distortion Contour of S-Shape Inlet Ducts in another window
Topics: Artificial neural networks, Computer simulation, Ducts, Flow (Dynamics), Internal flow, Pressure, Shapes
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

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

Design and Analysis of a Liftfan for eVTOL Aircraft

Rory D. Hine, Dominic R. Cousins, Leo Maden, Samuel J. Walker, Nicholas R. Atkins, Samuel D. Grimshaw, James V. Taylor
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A023, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-123904
https://doi.org/10.1115/GT2024-123904
View Paper titled, Design and Analysis of a Liftfan for eVTOL Aircraft
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Topics: Cooling, Design, Ducts, Electric vertical take-off and landing aircraft, Flight
Proceedings Papers

Effect of Geometry Modification of a Double Entrance Y-Duct Inlet on Aerodynamic Performance With High Speed Flow

Ben Gilbart, Courtney Rider, Asad Asghar, William D. E. Allan, Robert A. Stowe, Rogerio Pimentel
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A063, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129402
https://doi.org/10.1115/GT2024-129402
View Paper titled, Effect of Geometry Modification of a Double Entrance Y-Duct Inlet on Aerodynamic Performance With High Speed Flow
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Topics: Ducts, Flow (Dynamics), Geometry
Proceedings Papers

Effect of Gerlach Cross-Section on S-Duct Inlet Performance in High Subsonic Flow

Benjamin D. Frosst, Asad Asghar, William D. E. Allan, Robert A. Stowe, Rogerio Pimentel, Grant Ingram, Timothy Orchard
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A062, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129341
https://doi.org/10.1115/GT2024-129341
View Paper titled, Effect of Gerlach Cross-Section on S-Duct Inlet Performance in High Subsonic Flow
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Topics: Diffusers, Ducts, Subsonic flow
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
Open the PDF for HFTsim: A Component Library for High-Frequency Gas Turbine Engine Performance Simulations in another window
Topics: Engineering simulation, Gas turbines, Simulation, Surges, Transients (Dynamics), Equations of motion, Engines, Combustion chambers, Ducts, Heat
Proceedings Papers

On the Performance of Variable-Geometry Ducted E-Fans

Mavroudis D. Kavvalos, Rainer Schnell, Maximilian Mennicken, Marco Trost, Konstantinos G. Kyprianidis
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A012, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122602
https://doi.org/10.1115/GT2024-122602
View Paper titled, On the Performance of Variable-Geometry Ducted E-Fans
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Topics: Ducts, Fans, Geometry, Design, Pressure, Nozzles, Thrust, Aircraft engines, Architecture, Engines
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
Open the PDF for Intrinsic Thermoacoustic Feedback in Auto-Ignition Flames Stabilized in a Converging-Diverging Nozzle in another window
Topics: Feedback, Flames, Ignition, Nozzles, Acoustics, Combustion, Ducts, Reflection, Waves, Dynamics (Mechanics)
Proceedings Papers

Instability Amplitude Suppression in a Double Orifice Flow Through External Periodic Forcing

Ashutosh Singh, Isha Mukherjee, Vineeth Nair
Proc. ASME. GT2024, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A007, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127399
https://doi.org/10.1115/GT2024-127399
View Paper titled, Instability Amplitude Suppression in a Double Orifice Flow Through External Periodic Forcing
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Topics: Flow (Dynamics), Locks (Waterways), Synchronization, Quenching (Metalworking), Ducts, Acoustics, Bifurcation, Cavities, Combustion chambers, Dynamics (Mechanics)
Proceedings Papers

Synergetic and Performance Characteristics of a High-Speed Pre-Cooled Propulsion Concept

Athanasios Chatzistefanou, Spyros Tsentis, Anestis Kalfas
Proc. ASME. GT2024, Volume 5: Cycle Innovations, V005T06A004, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122425
https://doi.org/10.1115/GT2024-122425
View Paper titled, Synergetic and Performance Characteristics of a High-Speed Pre-Cooled Propulsion Concept
Open the PDF for Synergetic and Performance Characteristics of a High-Speed Pre-Cooled Propulsion Concept in another window
Topics: Combined cycles, Design, Engines, Modeling, Performance characterization, Propulsion, Cycles, Ducts, Impulse (Physics), Thrust
Proceedings Papers

Impact of Blowing and Density Ratio on the Film Cooling and Heat Transfer in an Aggressive Turbine Center Frame

Patrick R. Jagerhofer, Tobias Glasenapp, Bastian Patzer, Emil Göttlich
Proc. ASME. GT2024, Volume 7: Heat Transfer: Combustors; Heat Transfer: Film Cooling, V007T12A025, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125674
https://doi.org/10.1115/GT2024-125674
View Paper titled, Impact of Blowing and Density Ratio on the Film Cooling and Heat Transfer in an Aggressive Turbine Center Frame
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Topics: Density, Film cooling, Heat transfer, Turbines, Flow (Dynamics), High pressure (Physics), Cavities, Combustion chambers, Cooling, Ducts
Proceedings Papers

A Reduced-Order Model for Predicting Flow and Temperature in a Rotating Tapered Duct Under Constant Thermal Loading

Wanjae Kim, Tom I-. P. Shih, Kenneth Mark Bryden, Richard P. Dalton
Proc. ASME. GT2024, Volume 8: Heat Transfer: Internal Air Systems; Heat Transfer: Internal Cooling; Industrial and Cogeneration, V008T15A016, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124534
https://doi.org/10.1115/GT2024-124534
View Paper titled, A Reduced-Order Model for Predicting Flow and Temperature in a Rotating Tapered Duct Under Constant Thermal Loading
Open the PDF for A Reduced-Order Model for Predicting Flow and Temperature in a Rotating Tapered Duct Under Constant Thermal Loading in another window
Topics: Cooling, Ducts, Flow (Dynamics), Temperature
Proceedings Papers

Flow and Heat Transfer in a Ribbed Converging-Diverging U-Duct Under Rotating and Non-Rotating Conditions

Wanjae Kim, Tom I-. P. Shih, Kenneth Mark Bryden, Richard P. Dalton, Sung Yong Chang, Gyu Sang Park
Proc. ASME. GT2024, Volume 8: Heat Transfer: Internal Air Systems; Heat Transfer: Internal Cooling; Industrial and Cogeneration, V008T15A015, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124526
https://doi.org/10.1115/GT2024-124526
View Paper titled, Flow and Heat Transfer in a Ribbed Converging-Diverging U-Duct Under Rotating and Non-Rotating Conditions
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Topics: Ducts, Flow (Dynamics), Heat transfer
Proceedings Papers

Numerical Prediction of Inlet Geometry Influence on the In-Duct Acoustics of Small Centrifugal Compressors

Alberto Broatch, Roberto Navarro, Jorge García-Tíscar, Ferran Roig
Proc. ASME. GT2024, Volume 9: Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications; Steam Turbine, V009T18A010, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124094
https://doi.org/10.1115/GT2024-124094
View Paper titled, Numerical Prediction of Inlet Geometry Influence on the In-Duct Acoustics of Small Centrifugal Compressors
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Topics: Acoustics, Compressors, Detached eddy simulation, Ducts, Geometry, Noise (Sound)
Proceedings Papers

Conceptual Analysis on the Impact of Acoustic Liners in Fan Flutter

Javier González-Monge, José Miguel Pérez, Roque Corral, Fanzhou Zhao, Mehdi Vahdati
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, V10AT21A022, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129249
https://doi.org/10.1115/GT2024-129249
View Paper titled, Conceptual Analysis on the Impact of Acoustic Liners in Fan Flutter
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Topics: Acoustics, Flutter (Aerodynamics), Waves, Reflection, Axial flow, Blades, Ducts, Electromagnetic scattering, Radiation scattering, Scattering (Physics)
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

Supercritical Carbon Dioxide Mixing Loss Characteristics Near the Critical Point

Jinhong Wang, Teng Cao, Ricardo Martinez-Botas
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A002, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122056
https://doi.org/10.1115/GT2024-122056
View Paper titled, Supercritical Carbon Dioxide Mixing Loss Characteristics Near the Critical Point
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Topics: Ducts, Entropy, Flow (Dynamics), Fluids, Gases, Leakage flows, Nuclides, Pressure, Supercritical carbon dioxide, Temperature
Proceedings Papers

A Simplified Injection Model for Variable Area Turbine Fluidic Throttling

Alexander Spens, Evan J. McFadden, Cole D. Westrick, Jeffrey P. Bons
Proc. ASME. GT2024, Volume 12B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V12BT30A006, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121643
https://doi.org/10.1115/GT2024-121643
View Paper titled, A Simplified Injection Model for Variable Area Turbine Fluidic Throttling
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Topics: Computational fluid dynamics, Turbines, Flow (Dynamics), Actuators, Ducts, Nozzle guide vanes, Pressure, Design, Gas turbines, Modeling