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Proceedings Papers

Investigating the Mixture Quality in Multi-Injector Burner Systems, Part II: Model Application

Fabian Marquez Macias, Christoph Hirsch, Thomas Sattelmayer, Michael Huth, Jürgen Meisl
Proc. ASME. GT2023, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A027, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101439
https://doi.org/10.1115/GT2023-101439
View Paper titled, Investigating the Mixture Quality in Multi-Injector Burner Systems, Part II: Model Application
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Topics: Ejectors, Inflow, Mixing quality
Proceedings Papers

Effect of Inflow Swirl on the Sealing Effectiveness of Turbine Rim Seal

Qingfeng Cong, Long Lei, Kaiyuan Zhang, Zhigang Li, Jun Li
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT14A011, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102768
https://doi.org/10.1115/GT2023-102768
View Paper titled, Effect of Inflow Swirl on the Sealing Effectiveness of Turbine Rim Seal
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Topics: Inflow, Sealing (Process), Turbines
Proceedings Papers

The Role of Turbulence Transport in Mechanical Energy Budgets

Pawel J. Przytarski, Davide Lengani, Daniele Simoni, Andrew P. S. Wheeler
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT36A017, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102767
https://doi.org/10.1115/GT2023-102767
View Paper titled, The Role of Turbulence Transport in Mechanical Energy Budgets
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Topics: Energy budget (Physics), Turbulence, Pressure, Entropy, Inflow, Simulation, Mach number, Reynolds number
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
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Topics: Flow (Dynamics), Large eddy simulation, Turbomachinery, Wakes, Inflow, Boundary layers, Corners (Structural elements), Design, Flow visualization, Generators
Proceedings Papers

Windage Loss and Flow Characteristics in Back Gap of Radial Inflow Impellers With Steam Medium

Zhuobin Zhao, Qinghua Deng, Lehao Hu, Jun Li, Zhenping Feng
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT35A011, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102360
https://doi.org/10.1115/GT2023-102360
View Paper titled, Windage Loss and Flow Characteristics in Back Gap of Radial Inflow Impellers With Steam Medium
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Topics: Flow (Dynamics), Impellers, Inflow, Reynolds number, Steam, Turbines
Proceedings Papers

Loss Analysis in Radial Inflow Turbines for Supercritical CO 2 Mixtures

Omar Aqel, Martin White, Abdulnaser Sayma
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT35A013, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102556
https://doi.org/10.1115/GT2023-102556
View Paper titled, Loss Analysis in Radial Inflow Turbines for Supercritical CO 2 Mixtures
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Topics: Inflow, Supercritical carbon dioxide, Turbines
Proceedings Papers

Aerodynamics and Aeroacoustics of Leading Edge Serration in Low-Speed Axial Fans With Forward Skewed Blades

Lorenzo Tieghi, Felix Czwielong, Valerio F. Barnabei, Cristof Ocker, Giovanni Delibra, Stefan Becker, Alessandro Corsini
Proc. ASME. GT2023, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T10A003, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101899
https://doi.org/10.1115/GT2023-101899
View Paper titled, Aerodynamics and Aeroacoustics of Leading Edge Serration in Low-Speed Axial Fans With Forward Skewed Blades
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Topics: Aerodynamic noise, Aerodynamics, Blades, Fans, Flow (Dynamics), Emissions, Noise control, Rotors, Sound, Anechoic chambers
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
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Topics: Machinery, Pressure, Turbines, Wakes, Turbulence, Cascades (Fluid dynamics), Boundary layers, Inflow, Kinetic energy, Modeling
Proceedings Papers

Optimized Casing Treatment to Improve Stall Margin Under Circumferential Pressure Distortion in a High-Speed Axial Flow Fan

Yihan Li, Jichao Li, Juan Du, Yang Liu, Min Zhang, Hongwu Zhang
Proc. ASME. GT2023, Volume 13A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V13AT29A011, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101620
https://doi.org/10.1115/GT2023-101620
View Paper titled, Optimized Casing Treatment to Improve Stall Margin Under Circumferential Pressure Distortion in a High-Speed Axial Flow Fan
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Topics: Axial flow, Pressure, Inflow, Blades, Design, Shock waves, Stability, Surges, Aviation, Composite materials
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

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
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Topics: Cascades (Fluid dynamics), Engineering simulation, Pressure, Simulation, Turbines, Blades, Flow (Dynamics), Large eddy simulation, Wakes, Boundary-value problems
Proceedings Papers

Distortion Transfer in Multi-Stage Compressor and Modeling of Spool-Coupling Problem With Circumferentially Distorted Inflow

Ryuichi Okada, Takeshi Murooka, Dai Kato
Proc. ASME. GT2023, Volume 13A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V13AT29A015, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101861
https://doi.org/10.1115/GT2023-101861
View Paper titled, Distortion Transfer in Multi-Stage Compressor and Modeling of Spool-Coupling Problem With Circumferentially Distorted Inflow
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Topics: Compressors, Engines, Inflow, Modeling
Proceedings Papers

Analysis of Turbomachinery Averaging Techniques

Christian Frey, Graham Ashcroft, Michael Müller, Jens Wellner
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A039, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82959
https://doi.org/10.1115/GT2022-82959
View Paper titled, Analysis of Turbomachinery Averaging Techniques
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Topics: Turbomachinery, Entropy, Turbines, Inflow, Acoustics, Engineering simulation, Film cooling, Simulation, Unsteady flow, Vorticity
Proceedings Papers

Free-Stream Turbulence Induced Boundary-Layer Transition in Low-Pressure Turbines

Luca De Vincentiis, Kristina Ðurović, Davide Lengani, Daniele Simoni, Jan Pralits, Dan S. Henningson, Ardeshir Hanifi
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A015, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82103
https://doi.org/10.1115/GT2022-82103
View Paper titled, Free-Stream Turbulence Induced Boundary-Layer Transition in Low-Pressure Turbines
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Topics: Boundary layers, Pressure, Turbines, Turbulence, Wakes, Blades, Fluctuations (Physics), Rotors, Turbine blades, Boundary-value problems
Proceedings Papers

Highly Resolved Large-Eddy Simulations of a Transonic Compressor Stage Midspan Section Part I: Effect of Inflow Disturbances

Christoph Bode, Pawel J. Przytarski, John Leggett, Richard D. Sandberg
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A011, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81673
https://doi.org/10.1115/GT2022-81673
View Paper titled, Highly Resolved Large-Eddy Simulations of a Transonic Compressor Stage Midspan Section Part I: Effect of Inflow Disturbances
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Topics: Compressors, Inflow, Large eddy simulation, Shock (Mechanics), Boundary layers, Rotors, Suction, Flow (Dynamics), Stators, Turbulence
Proceedings Papers

Large Eddy Simulations of Wind Turbine Flows

Jérôme Dabas, Laurent Gicquel, Nicolas Odier, Florent Duchaine
Proc. ASME. GT2022, Volume 11: Wind Energy, V011T38A011, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82096
https://doi.org/10.1115/GT2022-82096
View Paper titled, Large Eddy Simulations of Wind Turbine Flows
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Topics: Flow (Dynamics), Large eddy simulation, Wind turbines, Wakes, Computational fluid dynamics, Engineering simulation, Simulation, Turbines, Turbulence, Wind farms
Proceedings Papers

Investigation on Strain and Stress Principal Axes in Unsteady DNS Turbine Data

D. Lengani, D. Simoni, L. De Vincentiis, K. Ðurović, J. Pralits, D. S. Henningson, A. Hanifi
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A031, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83197
https://doi.org/10.1115/GT2022-83197
View Paper titled, Investigation on Strain and Stress Principal Axes in Unsteady DNS Turbine Data
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Topics: Stress, Turbines, Turbulence, Tensors, Eigenvalues, Blades, Boundary layers, Reynolds stress, Suction, Cascades (Fluid dynamics)
Proceedings Papers

Design Optimization of Blade Tip in Subsonic and Transonic Turbine Stages - Part I: Stage Design and Preliminary Tip Optimization

P. H. Duan, L. He
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT34A020, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83050
https://doi.org/10.1115/GT2022-83050
View Paper titled, Design Optimization of Blade Tip in Subsonic and Transonic Turbine Stages - Part I: Stage Design and Preliminary Tip Optimization
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Topics: Blades, Design, Optimization, Turbines, Flow (Dynamics), Rotors, Heat transfer, Mach number, Heat, Stress
Proceedings Papers

Influence of a Turbulence Control Screen on the Aerodynamic and Aeroelastic Behavior of a UHBR Fan

Alexandra P. Schneider, Benoit Paoletti, Xavier Ottavy, Christoph Brandstetter
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, V08AT21A011, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81961
https://doi.org/10.1115/GT2022-81961
View Paper titled, Influence of a Turbulence Control Screen on the Aerodynamic and Aeroelastic Behavior of a UHBR Fan
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Topics: Turbulence, Acoustics, Aircraft engines, Composite materials, Design, Ducts, Flight, Honeycomb structures, Inflow, Instrumentation
Proceedings Papers

Efficient Forced Response Analysis for Asymmetric Vane Spacing

Benedict Geihe, Christian Frey, Graham Ashcroft
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, V08AT21A022, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82983
https://doi.org/10.1115/GT2022-82983
View Paper titled, Efficient Forced Response Analysis for Asymmetric Vane Spacing
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Topics: Blades, Engineering simulation, Engines, Excitation, Fluctuations (Physics), Fourier transforms, Inflow, Rotors, Simulation, Turbines