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Proceedings Papers

Characteristics of Deterministic and Stochastic Unsteadiness of Trailing Edge Cutback Film Cooling Flows

Xiao He, Francesco Montomoli, Vittorio Michelassi, Andrea Panizza, Leonardo Pulga
Proc. ASME. GT2024, Volume 7: Heat Transfer: Combustors; Heat Transfer: Film Cooling, V007T12A011, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-123002
https://doi.org/10.1115/GT2024-123002
View Paper titled, Characteristics of Deterministic and Stochastic Unsteadiness of Trailing Edge Cutback Film Cooling Flows
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Topics: Film cooling, Flow (Dynamics), Heat flux, Stress tensors, Cooling, Errors, Anisotropy, Cooling systems, Design, Detached eddy simulation
Proceedings Papers

Evaluation of Subfilter Model Performance for LES of Supercritical Fluids

Dhruv Purushotham, Joseph C. Oefelein
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A018, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125326
https://doi.org/10.1115/GT2024-125326
View Paper titled, Evaluation of Subfilter Model Performance for LES of Supercritical Fluids
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Topics: Computer simulation, Large eddy simulation, Modeling, Supercritical fluids, Turbulence, Anisotropy, Carbon dioxide, Engineering simulation, Fluids, Momentum
Proceedings Papers

Prediction and Analysis of Turbulence Anisotropy in a Low-Pressure Turbine Cascade at Two Reynolds Numbers Based on Transitional DDES

Nima Fard Afshar, Felix M. Möller, Johannes Deutsch, Stefan Henninger, Christian Morsbach, Dragan Kožulović, Patrick Bechlars, Peter Jeschke
Proc. ASME. GT2024, Volume 12B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V12BT30A005, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121415
https://doi.org/10.1115/GT2024-121415
View Paper titled, Prediction and Analysis of Turbulence Anisotropy in a Low-Pressure Turbine Cascade at Two Reynolds Numbers Based on Transitional DDES
Open the PDF for Prediction and Analysis of Turbulence Anisotropy in a Low-Pressure Turbine Cascade at Two Reynolds Numbers Based on Transitional DDES in another window
Topics: Anisotropy, Cascades (Fluid dynamics), Delay differential equations, Pressure, Reynolds number, Separation (Technology), Turbines, Turbulence
Proceedings Papers

The Development of Turbulence Quantities in Different Intermediate Turbine Duct Configurations

Asim Hafizovic, Nicolas Krajnc, Filippo Merli, Marian Staggl, Francesco Mangini, Patrick Zeno Sterzinger, Andreas Marn, Emil Göttlich
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT36A011, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126475
https://doi.org/10.1115/GT2024-126475
View Paper titled, The Development of Turbulence Quantities in Different Intermediate Turbine Duct Configurations
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Topics: Anisotropy, Ducts, Energy dissipation, Turbines, Turbulence, Wire
Proceedings Papers

A Novel Multiaxial Strain-Life Approach for Nickel-Base Superalloys

Firat Irmak, Nathan O’Nora, Ali P. Gordon
Proc. ASME. GT2023, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V008T17A015, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103044
https://doi.org/10.1115/GT2023-103044
View Paper titled, A Novel Multiaxial Strain-Life Approach for Nickel-Base Superalloys
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Topics: Nickel, Superalloys, Stress, Fatigue, Fatigue life, High temperature, Modeling, Alloys, Anisotropy, Blades
Proceedings Papers

High-Fidelity Computational Assessment of Aero-Thermal Performance and the Reynolds’ Analogy for Additively Manufactured Anisotropic Surface Roughness

Thomas O. Jelly, Wagih Abu Rowin, Nicholas Hutchins, Daniel Chung, Koichi Tanimoto, Takuo Oda, Richard D. Sandberg
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT13A005, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102138
https://doi.org/10.1115/GT2023-102138
View Paper titled, High-Fidelity Computational Assessment of Aero-Thermal Performance and the Reynolds’ Analogy for Additively Manufactured Anisotropic Surface Roughness
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Topics: Additive manufacturing, Anisotropy, Heat transfer, Surface roughness, Turbulence, Flow (Dynamics), Pressure, Channel flow, Computational fluid dynamics, Computer simulation
Proceedings Papers

Towards an Improved Description of Film-Cooling Heat Transfer Through Anisotropic RANS Modeling: A Combined LES/RANS Contribution

Emmanuel Laroche, Dorian Dupuy, Florent Duchaine, Laurent Gicquel
Proc. ASME. GT2023, Volume 7A: Heat Transfer — Combustors; Film Cooling, V07AT12A005, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101447
https://doi.org/10.1115/GT2023-101447
View Paper titled, Towards an Improved Description of Film-Cooling Heat Transfer Through Anisotropic RANS Modeling: A Combined LES/RANS Contribution
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Topics: Anisotropy, Film cooling, Heat transfer, Large eddy simulation, Modeling, Reynolds-averaged Navier–Stokes equations
Proceedings Papers

Expansion of Neuber Rule to 3-D Stress States for Anisotropic Materials

Nathan O’Nora, William D. Day
Proc. ASME. GT2023, Volume 11B: Structures and Dynamics — Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V11BT24A007, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104031
https://doi.org/10.1115/GT2023-104031
View Paper titled, Expansion of Neuber Rule to 3-D Stress States for Anisotropic Materials
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Topics: Anisotropy, Crystals, Stress
Proceedings Papers

Aerodynamic Damping of Composite UHBR Fans Under the Consideration of Acoustic Intake Reflections

Jan Gößling, Joerg R. Seume, Jan Peter Flüh, Nicola Paletta, Torben Eggers, Jens Friedrichs, Nunzio Natale
Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT21A008, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81777
https://doi.org/10.1115/GT2022-81777
View Paper titled, Aerodynamic Damping of Composite UHBR Fans Under the Consideration of Acoustic Intake Reflections
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Topics: Acoustics, Composite materials, Damping, Fans, Reflection, Blades, Engines, Fibers, Rotors, Stiffness
Proceedings Papers

Validation of New Numerical Analysis Tools for Nonlinear Forced Response in Anisotropy-Mistuned Bladed Disks With Friction Joints

Adam Koscso, Andreas Hartung, E. P. Petrov
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A014, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82040
https://doi.org/10.1115/GT2022-82040
View Paper titled, Validation of New Numerical Analysis Tools for Nonlinear Forced Response in Anisotropy-Mistuned Bladed Disks With Friction Joints
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Topics: Anisotropy, Disks, Friction, Numerical analysis, Blades, Aircraft engines, Computational methods, Crystals, Dampers, Excitation
Proceedings Papers

Influence of RANS Turbulent Inlet Set-Up on the Swirled Hot Streak Redistribution in a Simplified Nozzle Guide Vane Passage: Comparisons With Large-Eddy Simulations

Christopher Wingel, Nicolas Binder, Yannick Bousquet, Jean-François Boussuge, Nicolas Buffaz, Sébastien Le Guyader
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A002, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-78239
https://doi.org/10.1115/GT2022-78239
View Paper titled, Influence of RANS Turbulent Inlet Set-Up on the Swirled Hot Streak Redistribution in a Simplified Nozzle Guide Vane Passage: Comparisons With Large-Eddy Simulations
Open the PDF for Influence of RANS Turbulent Inlet Set-Up on the Swirled Hot Streak Redistribution in a Simplified Nozzle Guide Vane Passage: Comparisons With Large-Eddy Simulations in another window
Topics: Large eddy simulation, Nozzle guide vanes, Reynolds-averaged Navier–Stokes equations, Turbulence, High pressure (Physics), Turbines, Combustion chambers, Diffusion (Physics), Temperature, Aerodynamics
Proceedings Papers

A Novel Yield Criterion for Nickel-Based Superalloys

Firat Irmak, Kevin Hanekom, Alex Torkaman, Ali P. Gordon
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T17A022, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83274
https://doi.org/10.1115/GT2022-83274
View Paper titled, A Novel Yield Criterion for Nickel-Based Superalloys
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Topics: Nickel, Superalloys, Alloys, Crystals, Stress, Anisotropy, Gas turbines, High temperature, Solidification, Blades
Proceedings Papers

Flow Physics in a Large Rotor Tip Gap in a Multi-Stage Axial Compressor

Chunill Hah
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A015, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58745
https://doi.org/10.1115/GT2021-58745
View Paper titled, Flow Physics in a Large Rotor Tip Gap in a Multi-Stage Axial Compressor
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Topics: Compressors, Flow (Dynamics), Physics, Rotors, Eddies (Fluid dynamics), Viscosity, Pressure, Turbulence, Blades, Anisotropy
Proceedings Papers

Analysis of LES and 1D Hot-Wire Data to Determine Actively Generated Main Flow Turbulence in a Film Cooling Test Rig

Lukas Fischer, Michael Straußwald, Michael Pfitzner
Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT12A002, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58661
https://doi.org/10.1115/GT2021-58661
View Paper titled, Analysis of LES and 1D Hot-Wire Data to Determine Actively Generated Main Flow Turbulence in a Film Cooling Test Rig
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Topics: Film cooling, Flow (Dynamics), Turbulence, Wire, Probes, Generators, Signals, Vortices, Anisotropy, Combustion chambers
Proceedings Papers

Crystal Visco-Plastic Model for Directionally Solidified Ni-Base Superalloys Under Monotonic and Low Cycle Fatigue

Navindra Wijeyeratne, Firat Irmak, Ali P. Gordon
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT26A008, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59581
https://doi.org/10.1115/GT2021-59581
View Paper titled, Crystal Visco-Plastic Model for Directionally Solidified Ni-Base Superalloys Under Monotonic and Low Cycle Fatigue
Open the PDF for Crystal Visco-Plastic Model for Directionally Solidified Ni-Base Superalloys Under Monotonic and Low Cycle Fatigue in another window
Topics: Crystals, Low cycle fatigue, Modeling, Superalloys, Grain boundaries, Temperature, Anisotropy, Constitutive equations, Deformation, Gas turbines
Proceedings Papers

Development of Turbulent Quantities Inside an Axial Turbine Vane

Stephan Behre, Dragan Kožulović, Christian Hösgen, Peter Jeschke
Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT32A014, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60013
https://doi.org/10.1115/GT2021-60013
View Paper titled, Development of Turbulent Quantities Inside an Axial Turbine Vane
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Topics: Turbines, Turbulence, Stators, Kinetic energy, Wire, Algebra, Anisotropy, Axial flow, Computational fluid dynamics, Engineering simulation
Proceedings Papers

Unsteady Simulations of a Trailing-Edge Slot Using Machine-Learnt Turbulence Stress and Heat-Flux Closures

Chitrarth Lav, Richard D. Sandberg
Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A012, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14398
https://doi.org/10.1115/GT2020-14398
View Paper titled, Unsteady Simulations of a Trailing-Edge Slot Using Machine-Learnt Turbulence Stress and Heat-Flux Closures
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Topics: Engineering simulation, Heat flux, Machinery, Simulation, Stress, Turbulence, Flow (Dynamics), Anisotropy, Machine learning, Reynolds-averaged Navier–Stokes equations
Proceedings Papers

Micro-, Macromechanical and Aeroelastic Investigation of Glass-Fiber Based, Lightweight Turbomachinery Components

Senad Iseni, Mahesh Ramaswamy Guru Prasad, Alexander Hartmaier, Klaudiusz Holeczek, Niels Modeler, Francesca di Mare
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A010, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14951
https://doi.org/10.1115/GT2020-14951
View Paper titled, Micro-, Macromechanical and Aeroelastic Investigation of Glass-Fiber Based, Lightweight Turbomachinery Components
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Topics: Glass fibers, Turbomachinery, Composite materials, Anisotropy, Constitutive equations, Damping, Design, Elasticity, Engines, Polymers
Proceedings Papers

Reference Stress Estimation for Anisotropic Materials Using Linear Elastic Finite Element Results

Brent Scaletta, Richard Green
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT27A012, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14706
https://doi.org/10.1115/GT2020-14706
View Paper titled, Reference Stress Estimation for Anisotropic Materials Using Linear Elastic Finite Element Results
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Topics: Anisotropy, Crystals, Finite element analysis, Stress
Proceedings Papers

Application of Immersed Boundary Method on Instrumented Turbine Blade With LES

Bryn N. Ubald, Rob Watson, Jiahuan Cui, Paul Tucker, Shahrokh Shahpar
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A028, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15423
https://doi.org/10.1115/GT2020-15423
View Paper titled, Application of Immersed Boundary Method on Instrumented Turbine Blade With LES
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Topics: Turbine blades, Probes, Blades, Instrumentation, Pressure, Anisotropy, Compressors, Engineering simulation, Engineers, Flow (Dynamics)