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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
DOI: https://doi.org/10.1115/GT2022-82720
View Paper titled, Insights Into the Unsteady Shock Boundary Layer Interaction
Click here to open pdf in another window PDF for Insights Into the Unsteady Shock Boundary Layer Interaction
Topics: Boundary layers, Shock (Mechanics), Oscillations, Blades, Flow (Dynamics), Cascades (Fluid dynamics), Compressors, Inflow, Vibration, Mach number
Proceedings Papers

Improving the Aerodynamic Performance of a High-Loading Turbine Blade by End-Wall Surface Structures

Yueyun Xi, Shaopeng Lu, Hongmei Jiang, Qiang Zhang
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A024, June 13–17, 2022
Paper No: GT2022-82460
DOI: https://doi.org/10.1115/GT2022-82460
View Paper titled, Improving the Aerodynamic Performance of a High-Loading Turbine Blade by End-Wall Surface Structures
Click here to open pdf in another window PDF for Improving the Aerodynamic Performance of a High-Loading Turbine Blade by End-Wall Surface Structures
Topics: Flow control, Turbine blades, Flow (Dynamics), Design, Blades, Boundary-value problems, Cascades (Fluid dynamics), Computational fluid dynamics, Manufacturing, Manufacturing technology
Proceedings Papers

Experimental Investigation of an Aggressive S-Shaped Intermediate Compressor Duct

A. Kasper, T. Dygutsch, S. Grund, M. Beversdorff, S. Hakansson, E. Nicke, M. Lejon
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT33A011, June 13–17, 2022
Paper No: GT2022-82449
DOI: https://doi.org/10.1115/GT2022-82449
View Paper titled, Experimental Investigation of an Aggressive S-Shaped Intermediate Compressor Duct
Click here to open pdf in another window PDF for Experimental Investigation of an Aggressive S-Shaped Intermediate Compressor Duct
Topics: Compressors, Ducts, Flow (Dynamics), Inlet guide vanes, Aircraft engines, Blades, Aerospace industry, Aircraft, Airfoils, Annulus
Proceedings Papers

Acoustic Optimization Approach for Annular Diffusers in Turbomachinery Applications Using Plane Wave Modelling

Felix Fischer, Jörg Seume
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT33A002, June 13–17, 2022
Paper No: GT2022-80517
DOI: https://doi.org/10.1115/GT2022-80517
View Paper titled, Acoustic Optimization Approach for Annular Diffusers in Turbomachinery Applications Using Plane Wave Modelling
Click here to open pdf in another window PDF for Acoustic Optimization Approach for Annular Diffusers in Turbomachinery Applications Using Plane Wave Modelling
Topics: Acoustics, Diffusers, Modeling, Optimization, Turbomachinery, Waves, Design, Reflection, Boundary-value problems, Computer simulation
Proceedings Papers

Impact of Inlet Conditions on TVF Exit Flow Field

Mattia Graiff, Marian Staggl, Christian Wakelam, Franz Heitmeir, Emil Göttlich
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT33A003, June 13–17, 2022
Paper No: GT2022-80768
DOI: https://doi.org/10.1115/GT2022-80768
View Paper titled, Impact of Inlet Conditions on TVF Exit Flow Field
Click here to open pdf in another window PDF for Impact of Inlet Conditions on TVF Exit Flow Field
Topics: Flow (Dynamics), Turbines, Engines, Design, Pressure, Aircraft engines, Architecture, Cascades (Fluid dynamics), Computation, Flow visualization
Proceedings Papers

From Concept to Wind Tunnel Model: Efficient Design Methodology for Innovative Low-Noise Propellers

Lieven Baert, Gabriele Grasso, Caroline Sainvitu, Ingrid Lepot, Marinus J. van Enkhuizen, Karel Lammers, Nicholas Bown
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT34A001, June 13–17, 2022
Paper No: GT2022-77969
DOI: https://doi.org/10.1115/GT2022-77969
View Paper titled, From Concept to Wind Tunnel Model: Efficient Design Methodology for Innovative Low-Noise Propellers
Click here to open pdf in another window PDF for From Concept to Wind Tunnel Model: Efficient Design Methodology for Innovative Low-Noise Propellers
Topics: Design methodology, Noise (Sound), Propellers, Wind tunnels, Design, Aircraft, Optimization, Shapes, Aviation, Blades
Proceedings Papers

The New Chapter of Transonic Compressor Cascade Design at the DLR

Edwin J. Munoz Lopez, Alexander Hergt, Sebastian Grund
Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T01A005, June 13–17, 2022
Paper No: GT2022-80189
DOI: https://doi.org/10.1115/GT2022-80189
View Paper titled, The New Chapter of Transonic Compressor Cascade Design at the DLR
Click here to open pdf in another window PDF for The New Chapter of Transonic Compressor Cascade Design at the DLR
Topics: Cascades (Fluid dynamics), Compressors, Design, Optimization, Blades, Wind tunnels, Transonic flow, Chain, Computational fluid dynamics, Engineering simulation
Proceedings Papers

Pressure Losses Analysis in Two High-Pressure Steam Turbine Control Valves Situated in One Valve Chamber

Vaclav Slama, Bartolomej Rudas, David Simurda, Jindrich Hala, Martin Luxa
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T20A002, June 13–17, 2022
Paper No: GT2022-78969
DOI: https://doi.org/10.1115/GT2022-78969
View Paper titled, Pressure Losses Analysis in Two High-Pressure Steam Turbine Control Valves Situated in One Valve Chamber
Click here to open pdf in another window PDF for Pressure Losses Analysis in Two High-Pressure Steam Turbine Control Valves Situated in One Valve Chamber
Topics: High pressure (Physics), Pressure, Steam turbines, Valves, Flow (Dynamics), Stress, Computer simulation, Computer software, Design, Energy conversion
Proceedings Papers

The Cooling Effect of Combustor Exit Louver Scheme on a Transonic Nozzle Guide Vane Endwall

Shuo Mao, Daniel Van Hout, Kaiyuan Zhang, Wing F. Ng, Hongzhou Xu, Michael Fox
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT11A007, June 13–17, 2022
Paper No: GT2022-82800
DOI: https://doi.org/10.1115/GT2022-82800
View Paper titled, The Cooling Effect of Combustor Exit Louver Scheme on a Transonic Nozzle Guide Vane Endwall
Click here to open pdf in another window PDF for The Cooling Effect of Combustor Exit Louver Scheme on a Transonic Nozzle Guide Vane Endwall
Topics: Combustion chambers, Cooling, Nozzle guide vanes, Coolants, Cavities, Computational fluid dynamics, Cooling systems, Design, Engines, Flow (Dynamics)
Proceedings Papers

Experimental Investigation Into the Effect of a Ceramic Matrix Composite Surface on Film Cooling

Peter H. Wilkins, Stephen P. Lynch, Karen A. Thole, Tyler Vincent, San Quach, Eleanor Kaufman
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A038, June 13–17, 2022
Paper No: GT2022-83109
DOI: https://doi.org/10.1115/GT2022-83109
View Paper titled, Experimental Investigation Into the Effect of a Ceramic Matrix Composite Surface on Film Cooling
Click here to open pdf in another window PDF for Experimental Investigation Into the Effect of a Ceramic Matrix Composite Surface on Film Cooling
Topics: Ceramic matrix composites, Film cooling, Turbulence, Boundary layers, Temperature, Topology, Composite materials, Coolants, Density, Fibers
Proceedings Papers

The Effect of Diffuser Shape for Film Cooling Holes With Constant Expansion Angles and Area Ratio

Evan Lundburg, Stephen Lynch, Kevin Liu, Hongzhou Xu, Michael Fox
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A016, June 13–17, 2022
Paper No: GT2022-81520
DOI: https://doi.org/10.1115/GT2022-81520
View Paper titled, The Effect of Diffuser Shape for Film Cooling Holes With Constant Expansion Angles and Area Ratio
Click here to open pdf in another window PDF for The Effect of Diffuser Shape for Film Cooling Holes With Constant Expansion Angles and Area Ratio
Topics: Diffusers, Film cooling, Shapes, Coolants, Surface roughness, Flow (Dynamics), Cooling, Durability, Gas turbines, High temperature
Proceedings Papers

Aerodynamic Damping of Composite UHBR Fans Under the Consideration of Acoustic Intake Reflections

Jan Gößling, Joerg R. Seume, Jan Peter Flüh, Nicola Paletta, Torben Eggers, Jens Friedrichs, Nunzio Natale
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, V08AT21A008, June 13–17, 2022
Paper No: GT2022-81777
DOI: https://doi.org/10.1115/GT2022-81777
View Paper titled, Aerodynamic Damping of Composite UHBR Fans Under the Consideration of Acoustic Intake Reflections
Click here to open pdf in another window PDF for Aerodynamic Damping of Composite UHBR Fans Under the Consideration of Acoustic Intake Reflections
Topics: Acoustics, Composite materials, Damping, Fans, Reflection, Blades, Engines, Fibers, Rotors, Stiffness
Proceedings Papers

Development of a Lifetime Pressure Sensitive Paint Procedure for High-Pressure Vane Testing

Papa Aye N. Aye-Addo, Guillermo Paniagua, David G. Cuadrado, Lakshya Bhatnagar, Antonio Castillo Sauca, James Braun, Mateo Gomez-Gomez, Terrence Meyer, Matthew Bloxham
Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T05A014, June 7–11, 2021
Paper No: GT2021-59886
DOI: https://doi.org/10.1115/GT2021-59886
View Paper titled, Development of a Lifetime Pressure Sensitive Paint Procedure for High-Pressure Vane Testing
Click here to open pdf in another window PDF for Development of a Lifetime Pressure Sensitive Paint Procedure for High-Pressure Vane Testing
Topics: High pressure (Physics), Paints, Pressure, Testing, Lasers, Turbines, Calibration, Flow (Dynamics), Uncertainty, Wind
Proceedings Papers

Composite UHBR Fan for Forced Response and Flutter Investigations

Torben Eggers, Jens Friedrichs, Jan Goessling, Joerg R. Seume, Nunzio Natale, Jan Peter Flüh, Nicola Paletta
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A021, June 7–11, 2021
Paper No: GT2021-58941
DOI: https://doi.org/10.1115/GT2021-58941
View Paper titled, Composite UHBR Fan for Forced Response and Flutter Investigations
Click here to open pdf in another window PDF for Composite UHBR Fan for Forced Response and Flutter Investigations
Topics: Composite materials, Flutter (Aerodynamics), Blades, Design, Computer simulation, Rotors, Wind tunnels
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
View Paper titled, Effects of Surface Waviness on Fan Blade Boundary Layer Transition and Profile Loss — Part I: Methodology and Computational Results
Click here to open pdf in another window PDF for Effects of Surface Waviness on Fan Blade Boundary Layer Transition and Profile Loss — Part I: Methodology and Computational Results
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
View Paper titled, Effects of Surface Waviness on Fan Blade Boundary Layer Transition and Profile Loss — Part II: Experimental Assessments and Applications
Click here to open pdf in another window PDF for Effects of Surface Waviness on Fan Blade Boundary Layer Transition and Profile Loss — Part II: Experimental Assessments and Applications
Topics: Blades, Boundary layers, Wavelength, Surface waves (Fluid), Aircraft, Composite materials, Delays, Resonance, Reynolds number, Thermography
Proceedings Papers

Performance Evaluation of Leading Edge Tubercles Applied to the Blades in a 2-D Compressor Cascade

Satpreet S. Sidhu, Asad Asghar, William D. E. Allan
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A017, June 7–11, 2021
Paper No: GT2021-58798
DOI: https://doi.org/10.1115/GT2021-58798
View Paper titled, Performance Evaluation of Leading Edge Tubercles Applied to the Blades in a 2-D Compressor Cascade
Click here to open pdf in another window PDF for Performance Evaluation of Leading Edge Tubercles Applied to the Blades in a 2-D Compressor Cascade
Topics: Blades, Cascades (Fluid dynamics), Compressors, Performance evaluation, Flow visualization, Geometry, Mach number, Pressure, Aircraft engines, Design
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
View Paper titled, Adjoint-Based Inverse Design of Axial Compressor Airfoils
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Topics: Airfoils, Compressors, Design, Blades, Design methodology, Inverse problems, Pressure, Shapes, Boundary layers, Geometry
Proceedings Papers

Design and Evaluation of a Flow Capturing Device for a High-Speed Wind Tunnel

Mattia Graiff, Marian Staggl, Emil Göttlich, Christian Wakelam
Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT35A003, June 7–11, 2021
Paper No: GT2021-58667
DOI: https://doi.org/10.1115/GT2021-58667
View Paper titled, Design and Evaluation of a Flow Capturing Device for a High-Speed Wind Tunnel
Click here to open pdf in another window PDF for Design and Evaluation of a Flow Capturing Device for a High-Speed Wind Tunnel
Topics: Design, Flow (Dynamics), Wind tunnels, Cascades (Fluid dynamics), Ducts, Sealing (Process), Sound pressure, Temperature, Test facilities, Testing
Proceedings Papers

Film Cooling Effectiveness Measurement of Fan-Shaped Holes Manufactured Using EDM Technique

S. Rouina, H. Abdeh, G. Barigozzi, V. Odemondo, L. Abba, M. Iannone
Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT12A007, June 7–11, 2021
Paper No: GT2021-59038
DOI: https://doi.org/10.1115/GT2021-59038
View Paper titled, Film Cooling Effectiveness Measurement of Fan-Shaped Holes Manufactured Using EDM Technique
Click here to open pdf in another window PDF for Film Cooling Effectiveness Measurement of Fan-Shaped Holes Manufactured Using EDM Technique
Topics: Electrical discharge machining, Film cooling, Coolants, Flat plates, Cooling, Engines, Manufacturing, Paints, Pressure, Reliability