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Proceedings Papers

A Compressor Wheel Design for Noise Reduction Due to Pressure Gradient in an Automotive Turbocharger

Wonbae Jung, Seongsoo Kim, Taeho Noh
Proc. ASME. GT2023, Volume 9: Microturbines, Turbochargers, and Small Turbomachines; Oil and Gas Applications, V009T18A015, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104105
https://doi.org/10.1115/GT2023-104105
View Paper titled, A Compressor Wheel Design for Noise Reduction Due to Pressure Gradient in an Automotive Turbocharger
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Topics: Compressors, Design, Noise (Sound), Noise control, Pressure gradient, Turbochargers, Wheels
Proceedings Papers

On the Effect of Purge Air on the Aerodynamic Performance of a State-of-the-Art Turbine-Rear-Frame Guide Vane

Malte Schien, Christian Wakelam, Mattia Graiff, Emil Göttlich, Andreas Marn
Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT33A003, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101915
https://doi.org/10.1115/GT2023-101915
View Paper titled, On the Effect of Purge Air on the Aerodynamic Performance of a State-of-the-Art Turbine-Rear-Frame Guide Vane
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Topics: Cavities, Guide vanes, Turbines, Turbomachinery, Fluids, Temperature, Flow (Dynamics), Pressure, Thermal efficiency, Aerodynamics
Proceedings Papers

Numerical Study on the Influence of Geometrical Parameters on the Performance of a Turbine Exhaust Hood

Anastasia Fomina, Christopher Fuhrer, Damian M. Vogt, Tobias Willeke
Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT32A018, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102206
https://doi.org/10.1115/GT2023-102206
View Paper titled, Numerical Study on the Influence of Geometrical Parameters on the Performance of a Turbine Exhaust Hood
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Topics: Exhaust systems, Turbines, Diffusers, Pressure, Flow (Dynamics), Experimental design, Design, Flow separation, Flow simulation, Geometry
Proceedings Papers

A New Empirical Correlation for Transition in Both Short and Long Separation Bubbles

Daniele Petronio, Matteo Dellacasagrande, Daniele Simoni, Davide Lengani
Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT32A028, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103021
https://doi.org/10.1115/GT2023-103021
View Paper titled, A New Empirical Correlation for Transition in Both Short and Long Separation Bubbles
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Topics: Bubbles, Separation (Technology), Reynolds number, Boundary layers, Flow (Dynamics), Vorticity, Databases, Free stream turbulence, Pressure gradient, Blades
Proceedings Papers

Boundary Layer Analysis of a Transonic High-Pressure Turbine Vane Using Ultra-Fast-Response Temperature-Sensitive Paint

Anna Petersen, Michael Hilfer
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT36A007, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101889
https://doi.org/10.1115/GT2023-101889
View Paper titled, Boundary Layer Analysis of a Transonic High-Pressure Turbine Vane Using Ultra-Fast-Response Temperature-Sensitive Paint
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Topics: Boundary layers, High pressure (Physics), Paints, Temperature, Turbines, Separation (Technology), Surface roughness, Nozzle guide vanes, Aerodynamics, Computer simulation
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
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Topics: Boundary layers, Computer simulation, Flow (Dynamics), Wakes, Turbulence, Blades, Boundary layer turbulence, Bubbles, Databases, Free stream turbulence
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
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Topics: Boundary layers, Dimensions, Turbine blades, Surface roughness, Blades, Skin friction (Fluid dynamics), Bubbles, Drag (Fluid dynamics), Flow (Dynamics), Separation (Technology)
Proceedings Papers

Quasi-Two-Dimensional Numerical Model for Shock Wave Reformers

Ghislain Madiot, S. V. Mahmoodi-Jezeh, Stefan Tüchler, Mark Davidson, Pejman Akbari, Colin D. Copeland
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T03A005, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80865
https://doi.org/10.1115/GT2022-80865
View Paper titled, Quasi-Two-Dimensional Numerical Model for Shock Wave Reformers
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Topics: Computer simulation, Hydrogen, Methane, Pyrolysis, Shock (Mechanics), Shock waves, Waves, Cycles, Pressure gradient, Boundary-value problems
Proceedings Papers

Effect of Compressor Unsteady Wakes on a Gas Turbine Combustor Flow

Alessandro Soli, Richard Adoua, Ivan Langella, Paul Denman, Andrew Garmory, Gary J. Page
Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A005, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-78404
https://doi.org/10.1115/GT2022-78404
View Paper titled, Effect of Compressor Unsteady Wakes on a Gas Turbine Combustor Flow
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Topics: Combustion chambers, Compressors, Flow (Dynamics), Gas turbines, Wakes, Fuels, Simulation, Combustion systems, Compression, Diffusers
Proceedings Papers

A Turbo-Oriented Data-Driven Modification to the Spalart-Allmaras Turbulence Model

Xiao He, Fanzhou Zhao, Mehdi Vahdati
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A008, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80456
https://doi.org/10.1115/GT2022-80456
View Paper titled, A Turbo-Oriented Data-Driven Modification to the Spalart-Allmaras Turbulence Model
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Topics: Turbochargers, Turbulence, Compressors, Rotors, Flow (Dynamics), Corners (Structural elements), NASA, Pressure, Pressure gradient, Separation (Technology)
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

Transition of a Laminar Separated Boundary Layer Under Varying Adverse Pressure Gradient

Ravi Kumar, Pradeep Singh, S. Sarkar
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A029, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83045
https://doi.org/10.1115/GT2022-83045
View Paper titled, Transition of a Laminar Separated Boundary Layer Under Varying Adverse Pressure Gradient
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Topics: Boundary layers, Bubbles, Pressure gradient, Separation (Technology)
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

Experimental Study of Film Cooling With Favorable and Adverse Pressure Gradients

Ralph J. Volino, Matthew C. Gillcrist
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A001, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-78240
https://doi.org/10.1115/GT2022-78240
View Paper titled, Experimental Study of Film Cooling With Favorable and Adverse Pressure Gradients
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Topics: Film cooling, Pressure gradient, Flow (Dynamics), Boundary layers, Heat transfer, Heat transfer coefficients, Jets, Particulate matter, Probes, Temperature profiles
Proceedings Papers

Influence of Pressure Gradient on Flame-Vortex Interaction and Flame Stability

Yagiz Yalcinkaya, Ogeday E. Bozkurt, Ayse G. Gungor
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A024, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82517
https://doi.org/10.1115/GT2022-82517
View Paper titled, Influence of Pressure Gradient on Flame-Vortex Interaction and Flame Stability
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Topics: Flames, Pressure gradient, Stability, Vortices, Vorticity, Diffusers, Geometry, Nozzles, Torque, Turbulence
Proceedings Papers

Effect of Flare Geometry on the Flow Field of Radial-Radial Swirlers

Ayşe Bay, Fırat Kıyıcı, Mustafa Perçin
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A047, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83234
https://doi.org/10.1115/GT2022-83234
View Paper titled, Effect of Flare Geometry on the Flow Field of Radial-Radial Swirlers
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Topics: Flow (Dynamics), Geometry, Swirling flow, Combustion chambers, Computer simulation, Mode shapes, Pressure gradient, Rotation
Proceedings Papers

Machine-Learning Clustering Methods Applied to Detection of Noise Sources in Low-Speed Axial Fan

Lorenzo Tieghi, Stefan Becker, Alessandro Corsini, Giovanni Delibra, Stefan Schoder, Felix Czwielong
Proc. ASME. GT2022, Volume 5: Education; Electric Power; Fans and Blowers, V005T10A008, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82116
https://doi.org/10.1115/GT2022-82116
View Paper titled, Machine-Learning Clustering Methods Applied to Detection of Noise Sources in Low-Speed Axial Fan
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Topics: Machine learning, Noise (Sound), Algorithms, Design, Fans, Simulation, Acoustics, Aerodynamic noise, Blades, Density
Proceedings Papers

Leakage Flow Impact on Shrouded Stator Cavity Flow Topology and Associated High Speed Axial Compressor Stage Performance

Cedric Babin, Xavier Ottavy, Fabrizio Fontaneto
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A035, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82868
https://doi.org/10.1115/GT2022-82868
View Paper titled, Leakage Flow Impact on Shrouded Stator Cavity Flow Topology and Associated High Speed Axial Compressor Stage Performance
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Topics: Cavity flows, Compressors, Leakage flows, Stators, Topology, Cavities, Design, Boundary layers, Engineering simulation, Fluid dynamics
Proceedings Papers

Experimental Investigation of Inlet Stagnation Pressure Distortion Effects on a Transonic Axial Compressor Rotor

Andrew A. Oliva, Scott C. Morris
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A041, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83452
https://doi.org/10.1115/GT2022-83452
View Paper titled, Experimental Investigation of Inlet Stagnation Pressure Distortion Effects on a Transonic Axial Compressor Rotor
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Topics: Compressors, Pressure, Rotors, Mach number, Annulus, Instrumentation, Performance characterization, Pressure gradient, Resolution (Optics)
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
Publisher: American Society of Mechanical Engineers
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