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Proceedings Papers

A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme - Part 1: Sliding Interfaces and Unsteady Row Interactions

Michael Bergmann, Christian Morsbach, Björn F. Klose, Graham Ashcroft, Edmund Kügeler
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT36A005, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101623
https://doi.org/10.1115/GT2023-101623
View Paper titled, A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme - Part 1: Sliding Interfaces and Unsteady Row Interactions
Open the PDF for A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme - Part 1: Sliding Interfaces and Unsteady Row Interactions in another window
Topics: Flow (Dynamics), Large eddy simulation, Turbomachinery, Wakes, Cascades (Fluid dynamics), Computer simulation, Engineering simulation, Simulation, Computational fluid dynamics, Convection
Proceedings Papers

A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme - Part 3: Secondary Flow Effects

Christian Morsbach, Michael Bergmann, Adem Tosun, Björn F. Klose, Patrick Bechlars, Edmund Kügeler
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT36A004, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101374
https://doi.org/10.1115/GT2023-101374
View Paper titled, A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme - Part 3: Secondary Flow Effects
Open the PDF for A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme - Part 3: Secondary Flow Effects in another window
Topics: Flow (Dynamics), Large eddy simulation, Turbomachinery, Wakes, Inflow, Boundary layers, Corners (Structural elements), Design, Flow visualization, Generators
Proceedings Papers

Direct Numerical Simulation of an HPT Stage: Unsteady Boundary Layer Transition and the Resulting Flow Structures

Taiyang Wang, Yaomin Zhao, John Leggett, Richard D. Sandberg
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT36A011, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102213
https://doi.org/10.1115/GT2023-102213
View Paper titled, Direct Numerical Simulation of an HPT Stage: Unsteady Boundary Layer Transition and the Resulting Flow Structures
Open the PDF for Direct Numerical Simulation of an HPT Stage: Unsteady Boundary Layer Transition and the Resulting Flow Structures in another window
Topics: Boundary layers, Computer simulation, Flow (Dynamics), Wakes, Turbulence, Blades, Boundary layer turbulence, Bubbles, Databases, Free stream turbulence
Proceedings Papers

Evaluation of Inlet Conditions of an AFT Mounted BLI Design in a Sub-Scale Test Rig

Faezeh Rasimarzabadi, Hans Martensson, Catherine Clark, Martin Neuteboom
Proc. ASME. GT2023, Volume 1: Aircraft Engine, V001T01A003, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100561
https://doi.org/10.1115/GT2023-100561
View Paper titled, Evaluation of Inlet Conditions of an AFT Mounted BLI Design in a Sub-Scale Test Rig
Open the PDF for Evaluation of Inlet Conditions of an AFT Mounted BLI Design in a Sub-Scale Test Rig in another window
Topics: Aircraft, Blades, Boundary layers, Design, Generators, Mach number, Pressure, Probes, Propulsion, Stators
Proceedings Papers

Experimental Investigation of Additional Loss Associated With Incoming Wakes in Low-Pressure Turbine Cascades

Hidekazu Kodama, Ken-ichi Funazaki
Proc. ASME. GT2023, Volume 13B: Turbomachinery — Axial Flow Turbine Aerodynamics, V13BT30A016, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102367
https://doi.org/10.1115/GT2023-102367
View Paper titled, Experimental Investigation of Additional Loss Associated With Incoming Wakes in Low-Pressure Turbine Cascades
Open the PDF for Experimental Investigation of Additional Loss Associated With Incoming Wakes in Low-Pressure Turbine Cascades in another window
Topics: Cascades (Fluid dynamics), Pressure, Turbines, Wakes
Proceedings Papers

Analysis of Unsteady Loss Sensitivity to Incidence Angle Variation in Low Pressure Turbine

Matteo Dellacasagrande, Davide Lengani, Daniele Simoni, Marina Ubaldi, Angelo Alberto Granata, Matteo Giovannini, Filippo Rubechini, Francesco Bertini
Proc. ASME. GT2023, Volume 13B: Turbomachinery — Axial Flow Turbine Aerodynamics, V13BT30A037, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103770
https://doi.org/10.1115/GT2023-103770
View Paper titled, Analysis of Unsteady Loss Sensitivity to Incidence Angle Variation in Low Pressure Turbine
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Topics: Pressure, Turbines, Wakes, Flow (Dynamics), Unsteady flow, Blades, Boundary layers, Cascades (Fluid dynamics), Inflow, Engineering design processes
Proceedings Papers

Effects of Riblet Dimensions on the Transitional Boundary Layers Over High-Lift Turbine Blades

S. M. Ananth, Massimiliano Nardini, Aditya Vaid, Melissa Kozul, Nagabhushana Rao Vadlamani, Richard D. Sandberg
Proc. ASME. GT2023, Volume 13B: Turbomachinery — Axial Flow Turbine Aerodynamics, V13BT30A036, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103536
https://doi.org/10.1115/GT2023-103536
View Paper titled, Effects of Riblet Dimensions on the Transitional Boundary Layers Over High-Lift Turbine Blades
Open the PDF for Effects of Riblet Dimensions on the Transitional Boundary Layers Over High-Lift Turbine Blades in another window
Topics: Boundary layers, Dimensions, Turbine blades, Surface roughness, Blades, Skin friction (Fluid dynamics), Bubbles, Drag (Fluid dynamics), Flow (Dynamics), Separation (Technology)
Proceedings Papers

Best-Practice Guidelines for High-Fidelity Simulations Based on Detailed Analysis of a Highly-Loaded Low-Pressure Turbine Cascade

Marco Rosenzweig, Simone Giaccherini, Lorenzo Pinelli, Melissa Kozul, Richard Sandberg, Michele Marconcini, Roberto Pacciani
Proc. ASME. GT2023, Volume 13B: Turbomachinery — Axial Flow Turbine Aerodynamics, V13BT30A021, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102697
https://doi.org/10.1115/GT2023-102697
View Paper titled, Best-Practice Guidelines for High-Fidelity Simulations Based on Detailed Analysis of a Highly-Loaded Low-Pressure Turbine Cascade
Open the PDF for Best-Practice Guidelines for High-Fidelity Simulations Based on Detailed Analysis of a Highly-Loaded Low-Pressure Turbine Cascade in another window
Topics: Cascades (Fluid dynamics), Engineering simulation, Pressure, Simulation, Turbines, Blades, Flow (Dynamics), Large eddy simulation, Wakes, Boundary-value problems
Proceedings Papers

Understanding the Effect of Three-Dimensional Design in Tandem Blade

Amit Kumar, Akshay Kumar, Hitesh Chhugani, Shubhali More, A. M. Pradeep
Proc. ASME. GT2023, Volume 13A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V13AT29A028, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102605
https://doi.org/10.1115/GT2023-102605
View Paper titled, Understanding the Effect of Three-Dimensional Design in Tandem Blade
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Topics: Blades, Design, Rotors, Boundary layers, Compressors, Flow (Dynamics), Nozzles, Pressure, Diffusion (Physics), Leakage
Proceedings Papers

A CFD-Based Throughflow Solver Using Cascade Potential Theory for Axial Compressor Flow Modeling

Florent Kravtsoff, Michaël Schvallinger, Xavier Ottavy
Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT32A024, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102875
https://doi.org/10.1115/GT2023-102875
View Paper titled, A CFD-Based Throughflow Solver Using Cascade Potential Theory for Axial Compressor Flow Modeling
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Topics: Boundary layers, Cascades (Fluid dynamics), Compressors, Computational fluid dynamics, Flow (Dynamics), Modeling, Potential theory (Physics), Wakes
Proceedings Papers

Predictions of the Wake of a Three-Bladed Wind Turbine Using Dynamic Mode Decomposition

Carlos Mario Morales-Ramirez, Aldo G. Benavides-Moran
Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT32A022, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102683
https://doi.org/10.1115/GT2023-102683
View Paper titled, Predictions of the Wake of a Three-Bladed Wind Turbine Using Dynamic Mode Decomposition
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Topics: Actuators, Reynolds-averaged Navier–Stokes equations, Wakes, Wind turbines
Proceedings Papers

Coarse Droplet Measurement at the Last Stage Stator Exit of a Four-Stage Scaled Steam Turbine Using an Optical Backscatter Probe

Yasuhiro Sasao, Shigeki Senoo, Ilias Bosdas, Anestis Kalfas
Proc. ASME. GT2023, Volume 10: Steam Turbine, V010T20A015, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103378
https://doi.org/10.1115/GT2023-103378
View Paper titled, Coarse Droplet Measurement at the Last Stage Stator Exit of a Four-Stage Scaled Steam Turbine Using an Optical Backscatter Probe
Open the PDF for Coarse Droplet Measurement at the Last Stage Stator Exit of a Four-Stage Scaled Steam Turbine Using an Optical Backscatter Probe in another window
Topics: Backscattering, Drops, Erosion, Probes, Stators, Steam turbines, Computational fluid dynamics, Flow (Dynamics), Blades, Damage
Proceedings Papers

Pressure Loss Analysis and its Prediction in Typical Valve Designs for Steam Turbines

Vaclav Slama, Bartolomej Rudas, David Šimurda, Jindřich Hála
Proc. ASME. GT2023, Volume 10: Steam Turbine, V010T20A004, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101134
https://doi.org/10.1115/GT2023-101134
View Paper titled, Pressure Loss Analysis and its Prediction in Typical Valve Designs for Steam Turbines
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Topics: Pressure, Steam turbines, Valves, Flow (Dynamics), Computer simulation, Design, Manufacturing, Turbines, Computer software, Diffusers
Proceedings Papers

On the Impact of Core Flow Inlet-Guide-Vanes on the Tonal Noise Signature of a Turbofan Engine

Ricardo Blazquez-Navarro, Thomas Node-Langlois, Johan Thisse, Laurent Nybelen, Guilherme Cunha, Baptiste Yannic, Giulia Chirico, Gorka Altuna Villanueva
Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT33A006, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102201
https://doi.org/10.1115/GT2023-102201
View Paper titled, On the Impact of Core Flow Inlet-Guide-Vanes on the Tonal Noise Signature of a Turbofan Engine
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Topics: Engines, Flow (Dynamics), Inlet guide vanes, Noise (Sound), Turbofans, Wakes, Acoustics, Vehicles, Aircraft noise, Blades
Proceedings Papers

A Data-Driven Approach for Generalizing the Laminar Kinetic Energy Model for Separation and Bypass Transition in Low- and High-Pressure Turbines

Yuan Fang, Yaomin Zhao, Harshal D. Akolekar, Andrew S. H. Ooi, Richard D. Sandberg, Roberto Pacciani, Michele Marconcini
Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT32A025, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102902
https://doi.org/10.1115/GT2023-102902
View Paper titled, A Data-Driven Approach for Generalizing the Laminar Kinetic Energy Model for Separation and Bypass Transition in Low- and High-Pressure Turbines
Open the PDF for A Data-Driven Approach for Generalizing the Laminar Kinetic Energy Model for Separation and Bypass Transition in Low- and High-Pressure Turbines in another window
Topics: High pressure (Physics), Kinetic energy, Separation (Technology), Turbines, Computational fluid dynamics, Wakes, Pressure, Turbulence, Acoustics, Blades
Proceedings Papers

Time-Averaged Aerodynamics of a High-Speed Low-Pressure Turbine Cascade With Cavity Purge Flow and Unsteady Wakes

Gustavo Lopes, Loris Simonassi, Sergio Lavagnoli
Proc. ASME. GT2023, Volume 13B: Turbomachinery — Axial Flow Turbine Aerodynamics, V13BT30A022, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102828
https://doi.org/10.1115/GT2023-102828
View Paper titled, Time-Averaged Aerodynamics of a High-Speed Low-Pressure Turbine Cascade With Cavity Purge Flow and Unsteady Wakes
Open the PDF for Time-Averaged Aerodynamics of a High-Speed Low-Pressure Turbine Cascade With Cavity Purge Flow and Unsteady Wakes in another window
Topics: Aerodynamics, Cascades (Fluid dynamics), Cavities, Flow (Dynamics), Pressure, Turbines, Wakes
Proceedings Papers

Improvements in the Prediction of Steady and Unsteady Transition and Mixing in Low Pressure Turbines by Means of Machine-Learnt Closures

Roberto Pacciani, Michele Marconcini, Andrea Arnone, Francesco Bertini, Ennio Spano, Simone Rosa Taddei, Richard D. Sandberg
Proc. ASME. GT2023, Volume 13B: Turbomachinery — Axial Flow Turbine Aerodynamics, V13BT30A025, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102985
https://doi.org/10.1115/GT2023-102985
View Paper titled, Improvements in the Prediction of Steady and Unsteady Transition and Mixing in Low Pressure Turbines by Means of Machine-Learnt Closures
Open the PDF for Improvements in the Prediction of Steady and Unsteady Transition and Mixing in Low Pressure Turbines by Means of Machine-Learnt Closures in another window
Topics: Machinery, Pressure, Turbines, Wakes, Turbulence, Cascades (Fluid dynamics), Boundary layers, Inflow, Kinetic energy, Modeling
Proceedings Papers

Effect of Incoming Wakes on the Passage Flow of an Axial Compressor Rotor

Björn Koppe, Martin Lange, Ronald Mailach
Proc. ASME. GT2023, Volume 13A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V13AT29A023, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102268
https://doi.org/10.1115/GT2023-102268
View Paper titled, Effect of Incoming Wakes on the Passage Flow of an Axial Compressor Rotor
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Topics: Compressors, Flow (Dynamics), Leakage, Rotors, Stators, Vortices, Wakes
Proceedings Papers

The Effect of Trailing Edge Grid Resolution in Large-Eddy Simulations

Kenji Miki, Ali Ameri
Proc. ASME. GT2023, Volume 13B: Turbomachinery — Axial Flow Turbine Aerodynamics, V13BT30A014, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102276
https://doi.org/10.1115/GT2023-102276
View Paper titled, The Effect of Trailing Edge Grid Resolution in Large-Eddy Simulations
Open the PDF for The Effect of Trailing Edge Grid Resolution in Large-Eddy Simulations in another window
Topics: Ceramic matrix composites, Large eddy simulation, Resolution (Optics), Blades, Pressure, Suction, Wakes, Alloys, Bubbles, Cascades (Fluid dynamics)
Proceedings Papers

Measurements of Turbulence in Compressible Low-Density Flows at the Inlet of a Transonic Linear Cascade With and Without Unsteady Wakes

Giacomo Pastorino, Loris Simonassi, Gustavo Lopes, Elissavet Boufidi, Fabrizio Fontaneto, Sergio Lavagnoli
Proc. ASME. GT2023, Volume 4: Controls, Diagnostics, and Instrumentation, V004T05A027, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103712
https://doi.org/10.1115/GT2023-103712
View Paper titled, Measurements of Turbulence in Compressible Low-Density Flows at the Inlet of a Transonic Linear Cascade With and Without Unsteady Wakes
Open the PDF for Measurements of Turbulence in Compressible Low-Density Flows at the Inlet of a Transonic Linear Cascade With and Without Unsteady Wakes in another window
Topics: Cascades (Fluid dynamics), Density, Flow (Dynamics), Pressure, Turbines, Turbulence, Wakes, Wire