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Proceedings Papers

Effect of a Passive Flow Control Device on the Performance of an S-Duct Inlet in High Subsonic Flow

Courtney Rider, Asad Asghar, William D. E. Allan, Grant Ingram, Robert Stowe, Rogerio Pimentel
Proc. ASME. GT2023, Volume 1: Aircraft Engine, V001T01A038, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104104
https://doi.org/10.1115/GT2023-104104
View Paper titled, Effect of a Passive Flow Control Device on the Performance of an S-Duct Inlet in High Subsonic Flow
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Topics: Ducts, Flow control, Subsonic flow, Separation (Technology), Computational fluid dynamics, Pressure, Diffusers, Simulation, Aerodynamics, Airfoils
Proceedings Papers

Thermoacoustic Characterization of a Swirl Premixed Flame Using Doak’s Momentum Potential Theory

Raffaele D’Aniello, Simon Gövert, Bertram Janus, Karsten Knobloch
Proc. ASME. GT2023, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A007, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102831
https://doi.org/10.1115/GT2023-102831
View Paper titled, Thermoacoustic Characterization of a Swirl Premixed Flame Using Doak’s Momentum Potential Theory
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Topics: Flames, Momentum, Potential theory (Physics)
Proceedings Papers

The Structure and Stability of Premixed CH4, H2, and NH3/H2 Flames in an Axially Staged Can Combustor

Aksel Ånestad, Ramgopal Sampath, Jonas Moeck, Andrea Gruber, Nicholas A. Worth
Proc. ASME. GT2023, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A022, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103088
https://doi.org/10.1115/GT2023-103088
View Paper titled, The Structure and Stability of Premixed CH4, H2, and NH3/H2 Flames in an Axially Staged Can Combustor
Open the PDF for The Structure and Stability of Premixed CH4, H2, and NH3/H2 Flames in an Axially Staged Can Combustor in another window
Topics: Combustion chambers, Flames, Methane, Stability, Hydrogen, Fuels, Jets, Air flow, Combustion, Cross-flow
Proceedings Papers

Influence of Air/Hydrogen Momentum Ratio, Equivalence Ratio and Dilution Hole Geometry on the Performance of a Micromix Combustor for a 100 kWe mGT

Cedric Devriese, Sander Derks, Jasper Kole, Yarne Schlösser, Ward De Paepe, Rob Bastiaans
Proc. ASME. GT2023, Volume 9: Microturbines, Turbochargers, and Small Turbomachines; Oil and Gas Applications, V009T18A009, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102592
https://doi.org/10.1115/GT2023-102592
View Paper titled, Influence of Air/Hydrogen Momentum Ratio, Equivalence Ratio and Dilution Hole Geometry on the Performance of a Micromix Combustor for a 100 kWe mGT
Open the PDF for Influence of Air/Hydrogen Momentum Ratio, Equivalence Ratio and Dilution Hole Geometry on the Performance of a Micromix Combustor for a 100 kWe mGT in another window
Topics: Combustion chambers, Geometry, Hydrogen, Momentum, Design, Optimization, Nitrogen oxides, Flow (Dynamics), Temperature, Computational fluid dynamics
Proceedings Papers

Comprehensive Simulation of Moisture Loss in LP Steam Turbine Based on 3D Unsteady Eulerian-Lagrangian Solver

Yasuhiro Sasao, Takeshi Kudo, Kiyoshi Segawa, Soichiro Tabata, Shigeki Senoo, Ryo Takata
Proc. ASME. GT2023, Volume 10: Steam Turbine, V010T20A016, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103379
https://doi.org/10.1115/GT2023-103379
View Paper titled, Comprehensive Simulation of Moisture Loss in LP Steam Turbine Based on 3D Unsteady Eulerian-Lagrangian Solver
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Topics: Simulation, Steam turbines, Turbines, Supercooling, Computational fluid dynamics, Momentum, Temperature, Water, Condensation, Drops
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

Effect of Winglet Blade on the Performance of Small-Scale Horizontal Axis Wind Turbine

Saif Al Hamad, Mohamed Abousabae, Alaa Hasan, Omar Habash, Ryoichi S. Amano
Proc. ASME. GT2023, Volume 14: Wind Energy, V014T37A002, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101643
https://doi.org/10.1115/GT2023-101643
View Paper titled, Effect of Winglet Blade on the Performance of Small-Scale Horizontal Axis Wind Turbine
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Topics: Aerodynamics, Blades, Design, Horizontal axis wind turbines, Wind energy, Computational fluid dynamics, Airfoils, Wind tunnels, Wind turbines, Wind velocity
Proceedings Papers

Adapting Artificial Neural Networks Training Algorithms to Adjoint-Based Aerodynamic Shape Optimization

Fernando Gisbert, David Cadrecha, Jaime Quintanal, Adrián Sotillo, Jesús Pueblas, Aida Serrano, Ricardo Puente, Roque Corral
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT34A021, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103906
https://doi.org/10.1115/GT2023-103906
View Paper titled, Adapting Artificial Neural Networks Training Algorithms to Adjoint-Based Aerodynamic Shape Optimization
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Topics: Algorithms, Artificial neural networks, Shape optimization, Design, Pressure, Blades, Computation, Artificial intelligence, Columns (Structural), Construction
Proceedings Papers

Design of a Swirl-Stabilized Burner With Fluidically Variable Swirl Number

Mattias Ettore Giulio Eck, Philipp Maximilian zur Nedden, Jakob Georg Raimund von Saldern, Alessandro Orchini, Christian Oliver Paschereit
Proc. ASME. GT2023, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A019, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103062
https://doi.org/10.1115/GT2023-103062
View Paper titled, Design of a Swirl-Stabilized Burner With Fluidically Variable Swirl Number
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Topics: Actuators, Air flow, Combustion chambers, Design, Dynamics (Mechanics), Flames, Flow (Dynamics), Flow control, Flow simulation, Momentum
Proceedings Papers

Effects of Surface Roughness on Three-Dimensional Flow Structure Within Shaped Film Cooling Holes

Andrew J. Banko, Michael J. Benson, F. Todd Davidson, Wasif Zia, Alireza Bordbar, Christopher Boyce, Emma M. Veley, Karen A. Thole
Proc. ASME. GT2023, Volume 7A: Heat Transfer — Combustors; Film Cooling, V07AT12A023, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104073
https://doi.org/10.1115/GT2023-104073
View Paper titled, Effects of Surface Roughness on Three-Dimensional Flow Structure Within Shaped Film Cooling Holes
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Topics: Film cooling, Flow (Dynamics), Surface roughness, Diffusers, Additive manufacturing, Computerized tomography, Geometry, Momentum, Design, Gas turbines
Proceedings Papers

TPIV Experimental Investigation of Film Coolant-to-Mainstream Interaction From Shaped Cooling Holes With Various Inlet Geometries

Hanlin Wang, Lesley M. Wright
Proc. ASME. GT2023, Volume 7A: Heat Transfer — Combustors; Film Cooling, V07AT12A009, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102016
https://doi.org/10.1115/GT2023-102016
View Paper titled, TPIV Experimental Investigation of Film Coolant-to-Mainstream Interaction From Shaped Cooling Holes With Various Inlet Geometries
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Topics: Coolants, Cooling, Film cooling, Turbulence, Flat plates, Vorticity, Density, Design, Flow (Dynamics), Jets
Proceedings Papers

One Dimensional Model to Predict the Total Pressure Loss of Volute for Inward Flow Radial Supercritical CO2 Turbines

Syed Jiaul Hoque, Pramod Kumar, Pramod Chandra Gopi
Proc. ASME. GT2023, Volume 12: Supercritical CO2, V012T28A021, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103179
https://doi.org/10.1115/GT2023-103179
View Paper titled, One Dimensional Model to Predict the Total Pressure Loss of Volute for Inward Flow Radial Supercritical CO2 Turbines
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Topics: Flow (Dynamics), Pressure, Supercritical carbon dioxide, Turbines, Computational fluid dynamics, Errors, Boundary layers, Boundary-value problems, Computer software, Cross section (Physics)
Proceedings Papers

Secondary Flow Control of Turbomachinery Blades Using Vortex Generators

Roberto Putzu, Tiziano Ghisu, Shahrokh Shahpar
Proc. ASME. GT2023, Volume 13A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V13AT29A040, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103769
https://doi.org/10.1115/GT2023-103769
View Paper titled, Secondary Flow Control of Turbomachinery Blades Using Vortex Generators
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Topics: Blades, Flow control, Generators, Turbomachinery, Vortices, Flow (Dynamics), Compressors, Fans, Aerodynamics, Boundary layers
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

High-Fidelity Simulations and RANS Analysis of a Low-Pressure Turbine Cascade in a Spanwise-Diverging Gas Path - End-Wall Flow Analysis and Loss Generation Mechanisms

Marco Rosenzweig, Melissa Kozul, Richard Sandberg, Michele Marconcini, Roberto Pacciani
Proc. ASME. GT2023, Volume 13B: Turbomachinery — Axial Flow Turbine Aerodynamics, V13BT30A003, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101039
https://doi.org/10.1115/GT2023-101039
View Paper titled, High-Fidelity Simulations and RANS Analysis of a Low-Pressure Turbine Cascade in a Spanwise-Diverging Gas Path - End-Wall Flow Analysis and Loss Generation Mechanisms
Open the PDF for High-Fidelity Simulations and RANS Analysis of a Low-Pressure Turbine Cascade in a Spanwise-Diverging Gas Path - End-Wall Flow Analysis and Loss Generation Mechanisms in another window
Topics: Cascades (Fluid dynamics), Engineering simulation, Flow (Dynamics), Pressure, Reynolds-averaged Navier–Stokes equations, Simulation, Turbines, Engines, Boundary layers, Computational fluid dynamics
Proceedings Papers

Casing Treatment: Its Potential and Limitations

Sungho Yoon, Patricia Cargill
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A008, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80461
https://doi.org/10.1115/GT2022-80461
View Paper titled, Casing Treatment: Its Potential and Limitations
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Topics: Blades, Boundary layers, Compressors, Design, Durability, Dust, Flow (Dynamics), Ice, Industrial research, Leakage flows
Proceedings Papers

Extending Highly Loaded Axial Fan Operability Range Through Novel Blade Design

Diego I. Lopez, Tiziano Ghisu, Timoleon Kipouros, Shahrokh Shahpar, Mark Wilson
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A016, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81748
https://doi.org/10.1115/GT2022-81748
View Paper titled, Extending Highly Loaded Axial Fan Operability Range Through Novel Blade Design
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Topics: Blades, Design, Momentum, Clearances (Engineering), Stability, Computer simulation, Compressors, Computation, Engineering simulation, Leakage flows
Proceedings Papers

On the Use of Kinetic-Energy Balance for the Feature-Based Mesh Adaptation Applied to Large-Eddy Simulation in Complex Geometries

Adrien Grenouilloux, Guillaume Balarac, Julien Leparoux, Vincent Moureau, Ghislain Lartigue, Pierre Bénard, Renaud Mercier, Paul Ferrey
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A006, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80315
https://doi.org/10.1115/GT2022-80315
View Paper titled, On the Use of Kinetic-Energy Balance for the Feature-Based Mesh Adaptation Applied to Large-Eddy Simulation in Complex Geometries
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Topics: Kinetic energy, Large eddy simulation, Flow (Dynamics), Jets, Momentum, Nozzles, Resolution (Optics)
Proceedings Papers

Predictions of Falling Wavy Films Based on the Depth Averaged Thin Film Model and Its Application to Aeroengine Bearing Chamber

K. Singh, A. Nicoli, R. Jefferson-Loveday, S. Ambrose, P. Paleo Cageao, K. Johnson, S. Mouvanal, J. Cao, A. Jacobs
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A001, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-78010
https://doi.org/10.1115/GT2022-78010
View Paper titled, Predictions of Falling Wavy Films Based on the Depth Averaged Thin Film Model and Its Application to Aeroengine Bearing Chamber
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Topics: Bearings, Thin films, Engineering simulation, Simulation, Flow (Dynamics), Excitation, Film thickness, Momentum, Physics, Robustness
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81520
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
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Topics: Diffusers, Film cooling, Shapes, Coolants, Surface roughness, Flow (Dynamics), Cooling, Durability, Gas turbines, High temperature