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Proceedings Papers

Numerical Simulation on the Vortex Shedding From Airfoils of a Swirl Distortion Generator

Andrew Hayden, Cole Hefner, Alexandrina Untaroiu, John Gillespie, K. Todd Lowe
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT39A005, June 7–11, 2021
Paper No: GT2021-58963
DOI: https://doi.org/10.1115/GT2021-58963
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Topics: Airfoils, Computer simulation, Generators, Vortex shedding, Boundary layers, Turning angles, Aircraft, Cascades (Fluid dynamics), Computational fluid dynamics, Design
Proceedings Papers

Scale Resolving CFD Investigations of Aerothermal Field and Emissions of a Lean Burn Aeroengine Combustor

S. Paccati, L. Mazzei, A. Andreini, S. Patil, S. Shrivastava, D. Bessette, C. Arguinzoni, R. Yadav
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A054, June 7–11, 2021
Paper No: GT2021-59387
DOI: https://doi.org/10.1115/GT2021-59387
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Topics: Combustion chambers, Computational fluid dynamics, Emissions, Reynolds-averaged Navier–Stokes equations, Flames, Nitrogen oxides, Simulation, Aircraft engines, Boundary layers, Chemically reactive flow
Proceedings Papers

The Effect of Compressibility Factor on Turbine Performance

David Baumgärtner, John J. Otter, Andrew P. S. Wheeler
Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T06A020, June 7–11, 2021
Paper No: GT2021-60241
DOI: https://doi.org/10.1115/GT2021-60241
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Topics: Compressibility, Turbines, Fluids, Boundary layers, Shock (Mechanics)
Proceedings Papers

Fan-Intake Coupling With Conventional and Short Intakes

E. J. Gunn, T. Brandvik, M. J. Wilson
Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T01A003, June 7–11, 2021
Paper No: GT2021-58829
DOI: https://doi.org/10.1115/GT2021-58829
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Topics: Annulus, Boundary layers, Computational fluid dynamics, Design, Diffusion (Physics), Drag (Fluid dynamics), Engineering simulation, Engines, Fans, Flow (Dynamics)
Proceedings Papers

Inlet Flow Distortion in an Advanced Civil Transport Boundary Layer Ingesting Engine Installation

D. K. Hall, E. M. Greitzer, A. Uranga, M. Drela, S. A. Pandya
Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T01A010, June 7–11, 2021
Paper No: GT2021-59079
DOI: https://doi.org/10.1115/GT2021-59079
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Topics: Boundary layers, Engines, Flow (Dynamics), Aircraft, Computation, NASA, Pressure, Bubbles, Fans, Inflow
Proceedings Papers

An Experimental Investigation Into the Impacts of Varying the Circumferential Extent of Tip-Low Total Pressure Distortion on Fan Stability

Oliver Allen, Alejandro Castillo Pardo, Cesare A. Hall
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A036, June 7–11, 2021
Paper No: GT2021-59851
DOI: https://doi.org/10.1115/GT2021-59851
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Topics: Pressure, Stability, Annulus, Rotors, Blades, Boundary layers, Diluents, Inflow, Jet engines, Pressure measurement
Proceedings Papers

Effects of Surface Waviness on Fan Blade Boundary Layer Transition and Profile Loss — Part I: Methodology and Computational Results

Jinwook Lee, Zoltán S. Spakovszky, Edward M. Greitzer, Mark Drela, Jérôme Talbotec
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A010, June 7–11, 2021
Paper No: GT2021-58676
DOI: https://doi.org/10.1115/GT2021-58676
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Topics: Blades, Boundary layers, Wavelength, Acoustics, Composite materials, Computation, Energy transformation, Flow (Dynamics), Noise (Sound), Surface waves (Fluid)
Proceedings Papers

Effects of Surface Waviness on Fan Blade Boundary Layer Transition and Profile Loss — Part II: Experimental Assessments and Applications

Jinwook Lee, Vaishnavi Ramaswamy, Zoltán S. Spakovszky, Edward M. Greitzer, Mark Drela, Jérôme Talbotec
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A011, June 7–11, 2021
Paper No: GT2021-58678
DOI: https://doi.org/10.1115/GT2021-58678
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Topics: Blades, Boundary layers, Wavelength, Surface waves (Fluid), Aircraft, Composite materials, Delays, Resonance, Reynolds number, Thermography
Proceedings Papers

Endwall Boundary Layer Development in a Multistage Low-Speed Compressor With Tandem Stator Vanes

Michael Hopfinger, Volker Gümmer
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A014, June 7–11, 2021
Paper No: GT2021-58742
DOI: https://doi.org/10.1115/GT2021-58742
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Topics: Boundary layers, Compressors, Stators, Flow (Dynamics), Airfoils, Design, Shear stress
Proceedings Papers

Numerical Investigation of Loss Development in a Low-Pressure Turbine Cascade With Unsteady Inflow and Varying Inlet Endwall Boundary Layer

Tobias Schubert, Reinhard Niehuis
Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT32A010, June 7–11, 2021
Paper No: GT2021-59606
DOI: https://doi.org/10.1115/GT2021-59606
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Topics: Boundary layers, Cascades (Fluid dynamics), Inflow, Pressure, Turbines, Blades, Flow (Dynamics), Wakes, Engineering simulation, Engines
Proceedings Papers

The Effect of Inlet Conditions on Turbine Endwall Loss

John D. Coull, Christopher J. Clark
Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT32A011, June 7–11, 2021
Paper No: GT2021-59694
DOI: https://doi.org/10.1115/GT2021-59694
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Topics: Turbines, Vorticity, Blades, Boundary layers, Boundary-value problems, Design, Displacement, Energy dissipation, Flow (Dynamics), Kinetic energy
Proceedings Papers

A Key Flow Parameter to the Profile Loss of Low-Pressure Turbine Blades

Hidekazu Kodama, Ken-ichi Funazaki
Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT32A003, June 7–11, 2021
Paper No: GT2021-58887
DOI: https://doi.org/10.1115/GT2021-58887
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Topics: Flow (Dynamics), Pressure, Turbine blades, Blades, Boundary layers, Form drag, Drag (Fluid dynamics), Design, Friction, Optimization
Proceedings Papers

Highly Resolved Simulations of a CDA Compressor Cascade: Effect of Reynolds Number on Losses

John Leggett, Richard D. Sandberg
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A009, June 7–11, 2021
Paper No: GT2021-58665
DOI: https://doi.org/10.1115/GT2021-58665
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Topics: Cascades (Fluid dynamics), Compressors, Engineering simulation, Reynolds number, Simulation, Blades, Geometry, Wakes, Airfoils, Boundary layers
Proceedings Papers

High-Fidelity Simulations of a High-Pressure Turbine Vane With End Walls: Impact of Secondary Structures and Spanwise Temperature Profiles on Losses

Yaomin Zhao, Richard D. Sandberg
Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT32A002, June 7–11, 2021
Paper No: GT2021-58816
DOI: https://doi.org/10.1115/GT2021-58816
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Topics: Engineering simulation, High pressure (Physics), Simulation, Temperature profiles, Turbines, Boundary layers, Blades, Pressure, Suction, Combustion chambers
Proceedings Papers

Sweep Effects on Fan-Intake Aerodynamics at High Angle of Attack

Ben Mohankumar, Cesare A. Hall, Mark J. Wilson
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A006, June 7–11, 2021
Paper No: GT2021-58569
DOI: https://doi.org/10.1115/GT2021-58569
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Topics: Aerodynamics, Boundary layers, Computational fluid dynamics, Design, Fans, Flight, Flow (Dynamics), Mach number, Pressure, Rotors
Proceedings Papers

High-Fidelity Simulations of a High-Pressure Turbine Stage: Effects of Reynolds Number and Inlet Turbulence

Yaomin Zhao, Richard D. Sandberg
Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT32A004, June 7–11, 2021
Paper No: GT2021-58995
DOI: https://doi.org/10.1115/GT2021-58995
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Topics: Engineering simulation, High pressure (Physics), Reynolds number, Simulation, Turbines, Turbulence, Rotors, Wakes, Blades, Flow (Dynamics)
Proceedings Papers

Influence of Surface Roughness on the Flat-Plate Boundary Layer Transition Under a High-Lift Airfoil Pressure Gradient and Low Freestream Turbulence

Heechan Jeong, Seung Jin Song
Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT32A006, June 7–11, 2021
Paper No: GT2021-59192
DOI: https://doi.org/10.1115/GT2021-59192
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Topics: Airfoils, Boundary layers, Bubbles, Flat plates, Pressure gradient, Separation (Technology), Surface roughness, Turbulence
Proceedings Papers

Simulation of Passing Wakes Inducing Unsteady Boundary Layer Transition Around Low-Pressure Turbine Blade

Antoine Dufau, Julien Marty, Daniel Man, Estelle Piot
Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT32A001, June 7–11, 2021
Paper No: GT2021-58563
DOI: https://doi.org/10.1115/GT2021-58563
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Topics: Boundary layers, Pressure, Simulation, Turbine blades, Wakes, Separation (Technology), Bubbles, Cascades (Fluid dynamics), Turbulence, Diluents
Proceedings Papers

Adjoint-Based Inverse Design of Axial Compressor Airfoils

Christophe Geuens, Tom Verstraete
Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT34A002, June 7–11, 2021
Paper No: GT2021-58605
DOI: https://doi.org/10.1115/GT2021-58605
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Topics: Airfoils, Compressors, Design, Blades, Design methodology, Inverse problems, Pressure, Shapes, Boundary layers, Geometry
Proceedings Papers

Importance of Non-Equilibrium Modelling for Compressors

Robert Spencer, Pawel Przytarski, Paolo Adami, Patrick Grothe, Andrew Wheeler
Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT34A003, June 7–11, 2021
Paper No: GT2021-58645
DOI: https://doi.org/10.1115/GT2021-58645
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Topics: Compressors, Equilibrium (Physics), Modeling, Boundary layers, Reynolds-averaged Navier–Stokes equations, Blades, Engineering simulation, Engineering standards, Momentum, Shapes