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Proceedings Papers

Comparing Gradient-Free and Gradient-Based Multi-Objective Optimization Methodologies on the VKI-LS89 Turbine Vane Test Case

Romain Hottois, Arnaud Châtel, Grégory Coussement, Tom Verstraete, Tom De Bruyn
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT34A013, June 13–17, 2022
Paper No: GT2022-82218
https://doi.org/10.1115/GT2022-82218
View Paper titled, Comparing Gradient-Free and Gradient-Based Multi-Objective Optimization Methodologies on the VKI-LS89 Turbine Vane Test Case
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Topics: Pareto optimization, Turbines, Optimization, Design, Algorithms, Cascades (Fluid dynamics), Entropy, Evolutionary algorithms, Flow (Dynamics), Flow turning
Proceedings Papers

Flow Physics in a Large Rotor Tip Gap in a Multi-Stage Axial Compressor

Chunill Hah
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A015, June 7–11, 2021
Paper No: GT2021-58745
https://doi.org/10.1115/GT2021-58745
View Paper titled, Flow Physics in a Large Rotor Tip Gap in a Multi-Stage Axial Compressor
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Topics: Compressors, Flow (Dynamics), Physics, Rotors, Eddies (Fluid dynamics), Viscosity, Pressure, Turbulence, Blades, Anisotropy
Proceedings Papers

Aerodynamic Mitigation of Mechanical Constraints in Small Compressor Blade Profiles

Tony Dickens, James Taylor, Chris Hall, Rob Miller
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A032, June 7–11, 2021
Paper No: GT2021-59452
https://doi.org/10.1115/GT2021-59452
View Paper titled, Aerodynamic Mitigation of Mechanical Constraints in Small Compressor Blade Profiles
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Topics: Blades, Compressors, Degrees of freedom, Shapes, Aircraft, Airfoils, Computational fluid dynamics, Design, Flow (Dynamics), Flow turning
Proceedings Papers

Aerodynamic Design Aspects for Stator of Highly Loaded Tandem Bladed Axial Compressor

Ajey Singh, Chetan S. Mistry
Proc. ASME. GT2020, Volume 2A: Turbomachinery, V02AT32A062, September 21–25, 2020
Paper No: GT2020-15968
https://doi.org/10.1115/GT2020-15968
View Paper titled, Aerodynamic Design Aspects for Stator of Highly Loaded Tandem Bladed Axial Compressor
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Topics: Compressors, Design, Stators, Rotors, Flow (Dynamics), Blades, Shapes, Flow turning, Wakes, Boundary layers
Proceedings Papers

Effects of Cylindrical-Hole Shape and Fillet on Flow and Temperature Fields in Vane Cascade With Endwall Film-Cooling

B. B. Huyssen, G. I. Mahmood
Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A002, September 21–25, 2020
Paper No: GT2020-14099
https://doi.org/10.1115/GT2020-14099
View Paper titled, Effects of Cylindrical-Hole Shape and Fillet on Flow and Temperature Fields in Vane Cascade With Endwall Film-Cooling
Open the PDF for Effects of Cylindrical-Hole Shape and Fillet on Flow and Temperature Fields in Vane Cascade With Endwall Film-Cooling in another window
Topics: Cascades (Fluid dynamics), Coolants, Film cooling, Flow (Dynamics), Shapes, Temperature, Geometry, Pressure, Blades, Density
Proceedings Papers

Numerical Predictions of Turbine Cascade Secondary Flows and Heat Transfer With Inflow Turbulence

Yousef Kanani, Sumanta Acharya, Forrest Ames
Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A059, September 21–25, 2020
Paper No: GT2020-15654
https://doi.org/10.1115/GT2020-15654
View Paper titled, Numerical Predictions of Turbine Cascade Secondary Flows and Heat Transfer With Inflow Turbulence
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Topics: Cascades (Fluid dynamics), Flow (Dynamics), Heat transfer, Inflow, Turbines, Turbulence, Vortices, Suction, Boundary layers, Pressure
Proceedings Papers

A No-Calibration Approach to Modelling Compressor Blade Rows With Body Forces Employing Artificial Neural Networks

S. Pazireh, J. J. Defoe
Proc. ASME. GT2019, Volume 2A: Turbomachinery, V02AT39A013, June 17–21, 2019
Paper No: GT2019-90553
https://doi.org/10.1115/GT2019-90553
View Paper titled, A No-Calibration Approach to Modelling Compressor Blade Rows With Body Forces Employing Artificial Neural Networks
Open the PDF for A No-Calibration Approach to Modelling Compressor Blade Rows With Body Forces Employing Artificial Neural Networks in another window
Topics: Artificial neural networks, Blades, Calibration, Compressors, Modeling, Flow (Dynamics), Flow turning, Airfoils, Boundary layers, Computational fluid dynamics
Proceedings Papers

Reducing Secondary Flow Losses in Low-Pressure Turbines With Blade Fences: Part I — Design in an Engine-Like Environment

Filippo Rubechini, Matteo Giovannini, Andrea Arnone, Daniele Simoni, Francesco Bertini
Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT40A020, June 17–21, 2019
Paper No: GT2019-91280
https://doi.org/10.1115/GT2019-91280
View Paper titled, Reducing Secondary Flow Losses in Low-Pressure Turbines With Blade Fences: Part I — Design in an Engine-Like Environment
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Topics: Blades, Design, Engines, Flow (Dynamics), Pressure, Turbines, Artificial neural networks, Geometry, Stators, Aerodynamics
Proceedings Papers

Reducing Secondary Flow Losses in Low-Pressure Turbines With Blade Fences: Part II — Experimental Validation on Linear Cascades

Matteo Giovannini, Filippo Rubechini, Giorgio Amato, Andrea Arnone, Daniele Simoni, Vianney Yepmo, Francesca Satta, Francesco Bertini
Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT40A021, June 17–21, 2019
Paper No: GT2019-91284
https://doi.org/10.1115/GT2019-91284
View Paper titled, Reducing Secondary Flow Losses in Low-Pressure Turbines With Blade Fences: Part II — Experimental Validation on Linear Cascades
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Topics: Blades, Flow (Dynamics), Pressure, Turbines, Stators, Cascades (Fluid dynamics), Computational fluid dynamics, Engines, Aerodynamics, Design
Proceedings Papers

Design, Optimization and Analysis of Supersonic Radial Turbines

Lukas Benjamin Inhestern, James Braun, Guillermo Paniagua, José Ramón Serrano Cruz
Proc. ASME. GT2019, Volume 3: Coal, Biomass, Hydrogen, and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems, V003T06A026, June 17–21, 2019
Paper No: GT2019-91756
https://doi.org/10.1115/GT2019-91756
View Paper titled, Design, Optimization and Analysis of Supersonic Radial Turbines
Open the PDF for Design, Optimization and Analysis of Supersonic Radial Turbines in another window
Topics: Design, Optimization, Turbines, Flow (Dynamics), Geometry, Reynolds-averaged Navier–Stokes equations, Simulation, Airfoils, Architecture, Blades
Proceedings Papers

Multipoint Optimization of an Axial Turbine Cascade Using a Hybrid Algorithm

Arnaud Châtel, Tom Verstraete, Grégory Coussement
Proc. ASME. GT2019, Volume 2D: Turbomachinery, V02DT46A016, June 17–21, 2019
Paper No: GT2019-91471
https://doi.org/10.1115/GT2019-91471
View Paper titled, Multipoint Optimization of an Axial Turbine Cascade Using a Hybrid Algorithm
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Topics: Algorithms, Cascades (Fluid dynamics), Optimization, Turbines, Entropy, Evolutionary algorithms, Flow (Dynamics), Blades, Design, Flow turning
Proceedings Papers

Maximum Loading Capacity of Tandem Blades in Axial Compressors

Baojie Liu, Du Fu, Xianjun Yu
Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A044, June 11–15, 2018
Paper No: GT2018-76770
https://doi.org/10.1115/GT2018-76770
View Paper titled, Maximum Loading Capacity of Tandem Blades in Axial Compressors
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Topics: Blades, Compressors, Design, Computational fluid dynamics, Diffusers, Flow turning, Geometry, High pressure (Physics), Numerical analysis, Pressure
Proceedings Papers

Single-Point Optimization of the LS89 Turbine Cascade Using a Hybrid Algorithm

Arnaud Châtel, Tom Verstraete, Grégory Coussement, Lasse Mueller
Proc. ASME. GT2018, Volume 2D: Turbomachinery, V02DT46A008, June 11–15, 2018
Paper No: GT2018-75683
https://doi.org/10.1115/GT2018-75683
View Paper titled, Single-Point Optimization of the LS89 Turbine Cascade Using a Hybrid Algorithm
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Topics: Algorithms, Cascades (Fluid dynamics), Optimization, Turbines, Evolutionary algorithms, Design, Entropy, Geometry, Flow (Dynamics), Flow turning
Proceedings Papers

Assessment of a Novel Non-Axial Counter-Rotating Compressor Concept for Aero-Engines

Quentin Dejour, Huu Duc Vo
Proc. ASME. GT2018, Volume 2A: Turbomachinery, V02AT39A041, June 11–15, 2018
Paper No: GT2018-77039
https://doi.org/10.1115/GT2018-77039
View Paper titled, Assessment of a Novel Non-Axial Counter-Rotating Compressor Concept for Aero-Engines
Open the PDF for Assessment of a Novel Non-Axial Counter-Rotating Compressor Concept for Aero-Engines in another window
Topics: Aircraft engines, Compressors, Flow (Dynamics), Rotors, Stators, Flow turning, Diffusers, Pressure, Boundary layers, Computational fluid dynamics
Proceedings Papers

Investigation on the Effect of Surface Wettability on a Two-Phase Flow in a Compressor Cascade

Niklas Neupert, Janneck Christoph Harbeck, Franz Joos
Proc. ASME. GT2017, Volume 2D: Turbomachinery, V02DT48A011, June 26–30, 2017
Paper No: GT2017-64155
https://doi.org/10.1115/GT2017-64155
View Paper titled, Investigation on the Effect of Surface Wettability on a Two-Phase Flow in a Compressor Cascade
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Topics: Cascades (Fluid dynamics), Compressors, Two-phase flow, Coatings, Design, Drops, Inflow, Water, Blades, Erosion
Proceedings Papers

Detailed Numerical Study of the Main Sources of Loss and Flow Behavior in Low Pressure Steam Turbine Exhaust Hoods

Dickson Munyoki, Markus Schatz, Damian M. Vogt
Proc. ASME. GT2017, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T29A004, June 26–30, 2017
Paper No: GT2017-63269
https://doi.org/10.1115/GT2017-63269
View Paper titled, Detailed Numerical Study of the Main Sources of Loss and Flow Behavior in Low Pressure Steam Turbine Exhaust Hoods
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Topics: Exhaust systems, Flow (Dynamics), Pressure, Steam turbines, Diffusers, Energy dissipation, Condensers (steam plant), Vortices, Design, Flow turning
Proceedings Papers

Aeroacoustic Analysis of Low-Speed Axial Fans With Different Rotational Speeds in the Design Point

Patrick Buchwald, Damian M. Vogt, Julien Grilliat, Wolfgang Laufer, Michael B. Schmitz, Andreas Lucius, Marc Schneider
Proc. ASME. GT2017, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Honors and Awards, V001T09A010, June 26–30, 2017
Paper No: GT2017-64417
https://doi.org/10.1115/GT2017-64417
View Paper titled, Aeroacoustic Analysis of Low-Speed Axial Fans With Different Rotational Speeds in the Design Point
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Topics: Design, Fans, Noise (Sound), Blades, Pressure, Acoustics, Emissions, Spin (Aerodynamics), Spinning (Textile), Flow separation
Proceedings Papers

Influence of Geometric Imperfections on Aerodynamic and Aeroelastic Behavior of a Compressor Blisk

Christian Keller, Andreas Kellersmann, Jens Friedrichs, Joerg R. Seume
Proc. ASME. GT2017, Volume 7B: Structures and Dynamics, V07BT36A007, June 26–30, 2017
Paper No: GT2017-63556
https://doi.org/10.1115/GT2017-63556
View Paper titled, Influence of Geometric Imperfections on Aerodynamic and Aeroelastic Behavior of a Compressor Blisk
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Topics: Compressors, Maintenance, Blades, Airfoils, Geometry, High pressure (Physics), Mode shapes, Shapes, Aerodynamics, Damping
Proceedings Papers

Reduction of Pressure Losses in a Linear Cascade Using Herringbone Riblets

Qiang Liu, Shan Zhong, Lin Li
Proc. ASME. GT2017, Volume 2A: Turbomachinery, V02AT39A025, June 26–30, 2017
Paper No: GT2017-63960
https://doi.org/10.1115/GT2017-63960
View Paper titled, Reduction of Pressure Losses in a Linear Cascade Using Herringbone Riblets
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Topics: Cascades (Fluid dynamics), Pressure, Blades, Strips, Cross-flow, Flow separation, Diffusers, Flow turning, Noise (Sound), Probes
Proceedings Papers

Experimental Investigations of the Aerodynamics of Highly Loaded Tandem Vanes in a High-Speed Stator Cascade

Alexander Heinrich, Christine Tiedemann, Dieter Peitsch
Proc. ASME. GT2017, Volume 2A: Turbomachinery, V02AT39A005, June 26–30, 2017
Paper No: GT2017-63235
https://doi.org/10.1115/GT2017-63235
View Paper titled, Experimental Investigations of the Aerodynamics of Highly Loaded Tandem Vanes in a High-Speed Stator Cascade
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Topics: Aerodynamics, Cascades (Fluid dynamics), Stators, Blades, Flow (Dynamics), Aircraft engines, Displacement, Flow turning, Flow visualization, Pressure