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Proceedings Papers

Experimental Investigation Into Oil Film Thickness and Behaviour Near an Aero-Engine Bearing

Avick Sinha, David Hann, Kathy Johnson, Michael Walsh
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, V08AT22A009, June 13–17, 2022
Paper No: GT2022-82180
https://doi.org/10.1115/GT2022-82180
View Paper titled, Experimental Investigation Into Oil Film Thickness and Behaviour Near an Aero-Engine Bearing
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Topics: Aircraft engines, Bearings, Film thickness, Flow (Dynamics), Stress, Waves, Computational fluid dynamics, Cooling, Engine design, Flight
Proceedings Papers

Circumferentially Grooved Seal Flow Field Analysis Based on Effective Film Thickness to Improve Bulk Flow Models

Nathaniel Gibbons, Cori Watson-Kassa, Christopher Goyne, Minhui He
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, V08AT22A005, June 13–17, 2022
Paper No: GT2022-81010
https://doi.org/10.1115/GT2022-81010
View Paper titled, Circumferentially Grooved Seal Flow Field Analysis Based on Effective Film Thickness to Improve Bulk Flow Models
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Topics: Film thickness, Flow (Dynamics), Computational fluid dynamics, Modeling, Reynolds number, Shear stress, Engineering simulation, Leakage, Physics, Rotors
Proceedings Papers

Automated Data-Driven Physics Discovery of Turbine Component Damage

Sheng Zhang, Ryan Jacobs, Sayan Ghosh, Ambarish Kulkarni, Liping Wang
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT25A008, June 13–17, 2022
Paper No: GT2022-83372
https://doi.org/10.1115/GT2022-83372
View Paper titled, Automated Data-Driven Physics Discovery of Turbine Component Damage
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Topics: Damage, Machine learning, Physics, Turbine components
Proceedings Papers

Experimental Determination of Blade Tip Rub Forces in a Multi-Blade System

Robin Reifsnyder, Chris Keener, Randall Mathison, Kiran D’Souza
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A032, June 13–17, 2022
Paper No: GT2022-83344
https://doi.org/10.1115/GT2022-83344
View Paper titled, Experimental Determination of Blade Tip Rub Forces in a Multi-Blade System
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Topics: Blades, Stress, Frequency response, Gas turbines, Physics, Rotating blades, Shaft angle encoders, Turbomachinery
Proceedings Papers

Specific Speed Considerations for Inward Flow Radial Supercritical CO 2 Turbines

Syed J. Hoque, Pramod Kumar, Pramod Chandra Gopi
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A011, June 13–17, 2022
Paper No: GT2022-82090
https://doi.org/10.1115/GT2022-82090
View Paper titled, Specific Speed Considerations for Inward Flow Radial Supercritical CO 2 Turbines
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Topics: Coriolis force, Design, Flow (Dynamics), Supercritical carbon dioxide, Turbines, Gas turbines, Blades, Rotors, Boundary-value problems, Computational fluid dynamics
Proceedings Papers

Experimental and Computational Investigation of an Advanced Casing Treatment in a Single Stage High Speed Compressor

Nicholas H. Maher, Mark H. Ross, Scott C. Morris, Stephan Priebe, Giridhar Jothiprasad, David Allan, G. Scott McNulty, Michael Macrorie
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A042, June 13–17, 2022
Paper No: GT2022-83459
https://doi.org/10.1115/GT2022-83459
View Paper titled, Experimental and Computational Investigation of an Advanced Casing Treatment in a Single Stage High Speed Compressor
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Topics: Compressors, Rotors, Design, Engineering simulation, Pressure, Simulation, Computer simulation, Flow (Dynamics), Inlet guide vanes, Physics
Proceedings Papers

On the Influence of Stator-Rotor Radial Gap Size on the Fluid-Dynamic Performance of Mini-ORC Supersonic Turbines

Alessandro Cappiello, Matteo Majer, Raffaele Tuccillo, Matteo Pini
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A015, June 13–17, 2022
Paper No: GT2022-83309
https://doi.org/10.1115/GT2022-83309
View Paper titled, On the Influence of Stator-Rotor Radial Gap Size on the Fluid-Dynamic Performance of Mini-ORC Supersonic Turbines
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Topics: Fluids, Organic Rankine cycle, Rotors, Stators, Turbines, Flow (Dynamics), High temperature, Inflow, Machinery, Computation
Proceedings Papers

Circulation Budget Analysis of the Leading-Edge Vortex in a Wells Turbine Under Steady Inflow Conditions

Kaihe Geng, Ce Yang, Xinyu He, Chenxing Hu, Hanzhi Zhang, Xin Shi
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A014, June 13–17, 2022
Paper No: GT2022-81890
https://doi.org/10.1115/GT2022-81890
View Paper titled, Circulation Budget Analysis of the Leading-Edge Vortex in a Wells Turbine Under Steady Inflow Conditions
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Topics: Inflow, Turbines, Vortices, Wells, Vorticity, Stall inception, Convection, Flow (Dynamics), Rotors, Shear (Mechanics)
Proceedings Papers

Assessment of RANS Turbulence Models on Simplified Geometries Representative of Turbine Blade Tip Shroud Flow

Fatih Uncu, Benjamin François, Nicolas Buffaz, Sébastien Le Guyader
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A007, June 13–17, 2022
Paper No: GT2022-80681
https://doi.org/10.1115/GT2022-80681
View Paper titled, Assessment of RANS Turbulence Models on Simplified Geometries Representative of Turbine Blade Tip Shroud Flow
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Topics: Flow (Dynamics), Reynolds-averaged Navier–Stokes equations, Turbine blades, Turbulence, Blades, Eddies (Fluid dynamics), Engineering simulation, Kinetic energy, Pressure, Reynolds stress
Proceedings Papers

Vortex Unsteadiness in the Endwall Region of a High-Lift Low-Pressure Turbine Passage

Christopher R. Marks, Nathan Fletcher, Rolf Sondergaard
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A003, June 13–17, 2022
Paper No: GT2022-79335
https://doi.org/10.1115/GT2022-79335
View Paper titled, Vortex Unsteadiness in the Endwall Region of a High-Lift Low-Pressure Turbine Passage
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Topics: Pressure, Turbines, Vortices, Flow (Dynamics), Junctions, Blades, Cascades (Fluid dynamics), Fluctuations (Physics), Suction, Heat transfer
Proceedings Papers

The Importance of Shape in Particle Rebound Behaviors

Jacob Wilson, Rui Qiao, Matthew Kappes, James Loebig, Rory Clarkson
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT31A001, June 13–17, 2022
Paper No: GT2022-78116
https://doi.org/10.1115/GT2022-78116
View Paper titled, The Importance of Shape in Particle Rebound Behaviors
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Topics: Particulate matter, Shapes, Electromagnetic scattering, Engineering simulation, Physics, Radiation scattering, Scattering (Physics), Simulation, Aircraft engines, Corners (Structural elements)
Proceedings Papers

Investigation of Physics-Informed Neural Networks Based Solution Techniques for Internal Flows

Pascal Post, Benjamin Winhart, Francesca di Mare
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A011, June 13–17, 2022
Paper No: GT2022-80960
https://doi.org/10.1115/GT2022-80960
View Paper titled, Investigation of Physics-Informed Neural Networks Based Solution Techniques for Internal Flows
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Topics: Artificial neural networks, Internal flow, Physics, Cascades (Fluid dynamics), Computational fluid dynamics, Pressure, Blades, Boundary-value problems, Dimensions, Flow (Dynamics)
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
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

Modeling of Inviscid Flow Shock Formation in a Wedge-Shaped Domain Using a Physics-Informed Neural Network-Based Partial Differential Equation Solver

Ryno Laubscher, Pieter Rousseau, Chris Meyer
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A020, June 13–17, 2022
Paper No: GT2022-81768
https://doi.org/10.1115/GT2022-81768
View Paper titled, Modeling of Inviscid Flow Shock Formation in a Wedge-Shaped Domain Using a Physics-Informed Neural Network-Based Partial Differential Equation Solver
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Topics: Artificial neural networks, Computational fluid dynamics, Inviscid flow, Modeling, Partial differential equations, Physics, Shock (Mechanics), Wedges, Architecture, Equations of state
Proceedings Papers

Accelerating the Development of a New Turbomachinery Concept in an Environment With Limited Resources and Experimental Data: Challenges

Dylan Rubini, Nikolas Karefyllidis, Liping Xu, Budimir Rosic, Harri Johannesdahl
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT36A001, June 13–17, 2022
Paper No: GT2022-80698
https://doi.org/10.1115/GT2022-80698
View Paper titled, Accelerating the Development of a New Turbomachinery Concept in an Environment With Limited Resources and Experimental Data: Challenges
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Topics: Aerodynamics, Carbon, Chemical reactions, Chemistry, Computational fluid dynamics, Computer-aided engineering, Cracking (Materials), Databases, Design, Eddies (Fluid dynamics)
Proceedings Papers

Design Optimization of Blade Tip in Subsonic and Transonic Turbine Stages - Part II: Flow Physics and Augmented Aerothermal Integral Objective Function

Penghao Duan, Li He
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT34A023, June 13–17, 2022
Paper No: GT2022-83467
https://doi.org/10.1115/GT2022-83467
View Paper titled, Design Optimization of Blade Tip in Subsonic and Transonic Turbine Stages - Part II: Flow Physics and Augmented Aerothermal Integral Objective Function
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Topics: Blades, Design, Flow (Dynamics), Optimization, Physics, Turbines, Cavities, Heat transfer, Vortices, Platform supply vessels
Proceedings Papers

Parametric Design of Radial Guide Vanes for Power Augmentation of Darrieus-Type Vertical-Axis Wind Turbines

Pier Francesco Melani, Francesco Balduzzi, Giovanni Ferrara, Alessandro Bianchini, Roberto Bissanti, Palmiro Bissanti
Proc. ASME. GT2022, Volume 11: Wind Energy, V011T38A020, June 13–17, 2022
Paper No: GT2022-82867
https://doi.org/10.1115/GT2022-82867
View Paper titled, Parametric Design of Radial Guide Vanes for Power Augmentation of Darrieus-Type Vertical-Axis Wind Turbines
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Topics: Guide vanes, Parametric design, Vertical axis wind turbines, Flow (Dynamics), Simulation, Blades, Design, Engineering simulation, Rotors, Turbines
Proceedings Papers

Design Optimization of Blade Tip in Subsonic and Transonic Turbine Stages - Part I: Stage Design and Preliminary Tip Optimization

P. H. Duan, L. He
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT34A020, June 13–17, 2022
Paper No: GT2022-83050
https://doi.org/10.1115/GT2022-83050
View Paper titled, Design Optimization of Blade Tip in Subsonic and Transonic Turbine Stages - Part I: Stage Design and Preliminary Tip Optimization
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Topics: Blades, Design, Optimization, Turbines, Flow (Dynamics), Rotors, Heat transfer, Mach number, Heat, Stress
Proceedings Papers

A Computational Investigation of Wall-Film Formation by an Impinging Liquid Jet in Crossflow

Gina M. Magnotti, Brandon A. Sforzo, Christopher F. Powell
Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A030, June 13–17, 2022
Paper No: GT2022-80993
https://doi.org/10.1115/GT2022-80993
View Paper titled, A Computational Investigation of Wall-Film Formation by an Impinging Liquid Jet in Crossflow
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Topics: Adhesion, Algebra, Aluminum plate, Bubbles, Combustion, Combustion chambers, Emissions, Film thickness, Fluids, Fuels
Proceedings Papers

Investigation of Water Films Shed From an Airfoil in a High-Speed Flow

Brandon Esquvias Rodriguez, Brendan Hickey, Vincent McDonell, Soichiro Tabata, Shigeki Senoo
Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A017, June 13–17, 2022
Paper No: GT2022-80350
https://doi.org/10.1115/GT2022-80350
View Paper titled, Investigation of Water Films Shed From an Airfoil in a High-Speed Flow
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Topics: Airfoils, Diffraction, Flow (Dynamics), Lasers, Water, Drops, Liquid films, Computational fluid dynamics, Air flow, Boundary layers