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Proceedings Papers

Investigation of the Impact of Realistic Inlet Distortions on a 1.5-Stage Transonic Compressor

Jan Werner, Maximilian Karl, Silas Mütschard, Heinz-Peter Schiffer, Christoph Biela, Sebastian Robens
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A015, June 13–17, 2022
Paper No: GT2022-81678
https://doi.org/10.1115/GT2022-81678
View Paper titled, Investigation of the Impact of Realistic Inlet Distortions on a 1.5-Stage Transonic Compressor
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Topics: Compressors, Gas turbines, Inflow, Instrumentation, Intake manifolds, Measurement systems, Rotors, Bearings, Design, Flow (Dynamics)
Proceedings Papers

Simulating Stall Inception in a High-Performance Fan With Clean and Distorted Inlets

Andrew M. Bedke, Tyler Adams, Steve E. Gorrell
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A019, June 13–17, 2022
Paper No: GT2022-82031
https://doi.org/10.1115/GT2022-82031
View Paper titled, Simulating Stall Inception in a High-Performance Fan With Clean and Distorted Inlets
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Topics: Stall inception, Aircraft, Vortices, Blades, Chords (Trusses), Fans, Flow (Dynamics), Shock (Mechanics), Annulus, Clearances (Engineering)
Proceedings Papers

Insights Into the Unsteady Shock Boundary Layer Interaction

A. Hergt, J. Klinner, C. Willert, S. Grund, W. Steinert
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A033, June 13–17, 2022
Paper No: GT2022-82720
https://doi.org/10.1115/GT2022-82720
View Paper titled, Insights Into the Unsteady Shock Boundary Layer Interaction
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Topics: Boundary layers, Shock (Mechanics), Oscillations, Blades, Flow (Dynamics), Cascades (Fluid dynamics), Compressors, Inflow, Vibration, Mach number
Proceedings Papers

On the Influence of Stator-Rotor Radial Gap Size on the Fluid-Dynamic Performance of Mini-ORC Supersonic Turbines

Alessandro Cappiello, Matteo Majer, Raffaele Tuccillo, Matteo Pini
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A015, June 13–17, 2022
Paper No: GT2022-83309
https://doi.org/10.1115/GT2022-83309
View Paper titled, On the Influence of Stator-Rotor Radial Gap Size on the Fluid-Dynamic Performance of Mini-ORC Supersonic Turbines
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Topics: Fluids, Organic Rankine cycle, Rotors, Stators, Turbines, Flow (Dynamics), High temperature, Inflow, Machinery, Computation
Proceedings Papers

Effects of Ribbed Surfaces on Profile Losses of Low-Pressure-Turbine Blades

M. Dellacasagrande, D. Lengani, D. Simoni, M. Ubaldi, F. Bertini
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A029, June 13–17, 2022
Paper No: GT2022-82875
https://doi.org/10.1115/GT2022-82875
View Paper titled, Effects of Ribbed Surfaces on Profile Losses of Low-Pressure-Turbine Blades
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Topics: Blades, Pressure, Turbines, Cascades (Fluid dynamics), Flat plates, Boundary layers, Dimensions, Geometry, Inflow, Pressure gradient
Proceedings Papers

Circulation Budget Analysis of the Leading-Edge Vortex in a Wells Turbine Under Steady Inflow Conditions

Kaihe Geng, Ce Yang, Xinyu He, Chenxing Hu, Hanzhi Zhang, Xin Shi
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A014, June 13–17, 2022
Paper No: GT2022-81890
https://doi.org/10.1115/GT2022-81890
View Paper titled, Circulation Budget Analysis of the Leading-Edge Vortex in a Wells Turbine Under Steady Inflow Conditions
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Topics: Inflow, Turbines, Vortices, Wells, Vorticity, Stall inception, Convection, Flow (Dynamics), Rotors, Shear (Mechanics)
Proceedings Papers

Reconstructing Turbine Non-Uniform Flow Including Hot Streaks Using Spatially Under-Sampled Measurements

Xu Zhu, Fangyuan Lou, Kai Zhou, Xinqian Zheng
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A033, June 13–17, 2022
Paper No: GT2022-83509
https://doi.org/10.1115/GT2022-83509
View Paper titled, Reconstructing Turbine Non-Uniform Flow Including Hot Streaks Using Spatially Under-Sampled Measurements
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Topics: Approximation, Flow (Dynamics), High pressure (Physics), Turbines, Wavelets, Temperature, Cooling, Temperature distribution, Engines, Annulus
Proceedings Papers

Large Eddy Simulation of Turbulent Flow Through a Compressor Cascade

Syed Anjum Haider Rizvi, Joseph Mathew
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A040, June 13–17, 2022
Paper No: GT2022-83081
https://doi.org/10.1115/GT2022-83081
View Paper titled, Large Eddy Simulation of Turbulent Flow Through a Compressor Cascade
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Topics: Cascades (Fluid dynamics), Compressors, Large eddy simulation, Turbulence, Blades, Separation (Technology), Chords (Trusses), Suction, Airfoils, Boundary layers
Proceedings Papers

Low Mach Preconditioning for Turbomachinery Flow Simulations With Cavities and Variable Gas Compositions

Pierre Sivel, Christian Frey, Edmund Kügeler, Markus Keil
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A005, June 13–17, 2022
Paper No: GT2022-79369
https://doi.org/10.1115/GT2022-79369
View Paper titled, Low Mach Preconditioning for Turbomachinery Flow Simulations With Cavities and Variable Gas Compositions
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Topics: Cavities, Flow simulation, Turbomachinery, Fluids, Computation, Exhaust systems, Gases, Computer simulation, Density, Inflow
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
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
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
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
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
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
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

Experimental Investigation of Flame-Film Cooling Interactions With an Academic Test Rig and Optical Laser Diagnostics

Sylvain Petit, Benjamin Quevreux, Romain Morin, Romain Guillot, Frédéric Grisch, Pradip Xavier
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT11A008, June 13–17, 2022
Paper No: GT2022-83803
https://doi.org/10.1115/GT2022-83803
View Paper titled, Experimental Investigation of Flame-Film Cooling Interactions With an Academic Test Rig and Optical Laser Diagnostics
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Topics: Cooling, Flames, Lasers, Aviation, Carbon, Chemiluminescence, Durability, Fluorescence, Inflow, Laser Doppler anemometry
Proceedings Papers

Stratified and Buoyancy-Induced Flow in Closed Compressor Rotors

Gary D. Lock, Richard W. Jackson, Mikolaj Pernak, Oliver J. Pountney, Carl M. Sangan, J. Michael Owen, Hui Tang, James A. Scobie
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT14A007, June 13–17, 2022
Paper No: GT2022-82023
https://doi.org/10.1115/GT2022-82023
View Paper titled, Stratified and Buoyancy-Induced Flow in Closed Compressor Rotors
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Topics: Buoyancy, Compressors, Flow (Dynamics), Rotors, Disks, Fluids, Heat transfer, Temperature, Cavities, Compressibility
Proceedings Papers

Performance Investigation of Airfoils for Axial Flow Fans in Low Solidity Cascades Operating at High Inlet Flow Angles

Carlo Cravero, Gabriele Milanese
Proc. ASME. GT2022, Volume 5: Education; Electric Power; Fans and Blowers, V005T10A007, June 13–17, 2022
Paper No: GT2022-81697
https://doi.org/10.1115/GT2022-81697
View Paper titled, Performance Investigation of Airfoils for Axial Flow Fans in Low Solidity Cascades Operating at High Inlet Flow Angles
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Topics: Airfoils, Axial flow, Fans, Flow (Dynamics), Design, Blades, Engineering simulation, Simulation, Cascades (Fluid dynamics), Computational fluid dynamics
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
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
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