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Proceedings Papers

Investigation of Droplet Shedding in an Aeroengine Bearing Chamber Using Convolutional Neural Networks

Katrina Farbrother, Paloma Paleo Cagaeo, Kathy Johnson, Stephen Ambrose
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, V08AT22A013, June 13–17, 2022
Paper No: GT2022-82275
DOI: https://doi.org/10.1115/GT2022-82275
View Paper titled, Investigation of Droplet Shedding in an Aeroengine Bearing Chamber Using Convolutional Neural Networks
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Topics: Artificial neural networks, Bearings, Drops, Design, Two-phase flow, Commercial air transport, Film thickness, Geometry, Image processing, Imaging
Proceedings Papers

Quantification of the Impact of the Crack Shape Constraint Assumption Onto Predicted Remaining Useful Life

Adrian Loghin
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, V08AT24A005, June 13–17, 2022
Paper No: GT2022-80229
DOI: https://doi.org/10.1115/GT2022-80229
View Paper titled, Quantification of the Impact of the Crack Shape Constraint Assumption Onto Predicted Remaining Useful Life
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Topics: Fatigue cracks, Finite element analysis, Fracture (Materials), Service life (Equipment), Shapes, Stress, Crack propagation, Errors, Modeling, Computer software
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
DOI: 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

Fully Coupled Analysis of Flutter Induced Limit Cycles: Frequency vs. Time Domain Methods

Christian Berthold, Johann Groß, Christian Frey, Malte Krack
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, V08AT21A001, June 13–17, 2022
Paper No: GT2022-77999
DOI: https://doi.org/10.1115/GT2022-77999
View Paper titled, Fully Coupled Analysis of Flutter Induced Limit Cycles: Frequency vs. Time Domain Methods
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Topics: Flutter (Aerodynamics), Limit cycles, Fluid structure interaction, Oscillations, Blades, Friction, Vibration, Aircraft engines, Boundary-value problems, Damping
Proceedings Papers

A Dedicated Model Reduction Method for Turbo-Machines Using a Critical Speed Subspace

Francesco D’Alessandro, Hugo Festjens, Gael Chevallier, Scott Cogan, Tariq Benamara, Caroline Sainvitu
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT26A002, June 13–17, 2022
Paper No: GT2022-79691
DOI: https://doi.org/10.1115/GT2022-79691
View Paper titled, A Dedicated Model Reduction Method for Turbo-Machines Using a Critical Speed Subspace
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Topics: Turbomachinery, Finite element model, Degrees of freedom, Engineering simulation, Machinery, Modeling, Shapes, Simulation
Proceedings Papers

Condition Monitoring Insight Using Bayesian Inference and Rotor Dynamics Modelling for Rotating Machinery

Greg Nelson, Iain Palmer
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT25A002, June 13–17, 2022
Paper No: GT2022-80976
DOI: https://doi.org/10.1115/GT2022-80976
View Paper titled, Condition Monitoring Insight Using Bayesian Inference and Rotor Dynamics Modelling for Rotating Machinery
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Topics: Condition monitoring, Machinery, Modeling, Rotordynamics, Vibration, Bearings, Clearances (Engineering), Compressors, Digital twin, Finite element model
Proceedings Papers

Accurate Blade Tip Timing Placement on a Centrifugal Impeller Using As-Manufactured Modeling

Daniel L. Gillaugh, Alexander A. Kaszynksi, Trevor C. Tomlin, Jeffrey M. Brown, Joseph A. Beck, Emily B. Carper
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A035, June 13–17, 2022
Paper No: GT2022-83415
DOI: https://doi.org/10.1115/GT2022-83415
View Paper titled, Accurate Blade Tip Timing Placement on a Centrifugal Impeller Using As-Manufactured Modeling
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Topics: Blades, Impellers, Modeling, Stress, Finite element analysis, Rotors, Safety, Deflection, Accounting, Airfoils
Proceedings Papers

A Comparative Study of Crystal Visco-Plastic Modeling of Directionally Solidified Nickel-Base Superalloys

Navindra Wijeyeratne, Firat Irmak, Ali P. Gordon
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, V08AT24A008, June 13–17, 2022
Paper No: GT2022-82230
DOI: https://doi.org/10.1115/GT2022-82230
View Paper titled, A Comparative Study of Crystal Visco-Plastic Modeling of Directionally Solidified Nickel-Base Superalloys
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Topics: Crystals, Modeling, Nickel, Superalloys
Proceedings Papers

Forced Response System Identification of Full Aero-Engine Rotordynamic Systems for Prognostics and Diagnostics

I. Hur, Z. Spakovszky
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT26A016, June 13–17, 2022
Paper No: GT2022-84058
DOI: https://doi.org/10.1115/GT2022-84058
View Paper titled, Forced Response System Identification of Full Aero-Engine Rotordynamic Systems for Prognostics and Diagnostics
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Topics: Aircraft engines, Damping, Modeling, System identification
Proceedings Papers

Robust Probabilistic Analysis of Deterioration-Induced Aeroelasticity in an Axial Turbine

Lennart Stania, Joerg R. Seume
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT25A006, June 13–17, 2022
Paper No: GT2022-82628
DOI: https://doi.org/10.1115/GT2022-82628
View Paper titled, Robust Probabilistic Analysis of Deterioration-Induced Aeroelasticity in an Axial Turbine
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Topics: Aeroelasticity, Turbines, Blades, Engineering simulation, Sensitivity analysis, Simulation, Vibration, Damping, High cycle fatigue, Airfoils
Proceedings Papers

Reduced Order Modeling of Forced Response in a Multistage Compressor Under Mistuning and Aerocoupling

Niklas Maroldt, Joerg R. Seume, Lukas Schwerdt, Lars Panning von-Scheidt, Jörg Wallaschek, Ricarda Berger, Raimund Rolfes
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A007, June 13–17, 2022
Paper No: GT2022-81090
DOI: https://doi.org/10.1115/GT2022-81090
View Paper titled, Reduced Order Modeling of Forced Response in a Multistage Compressor Under Mistuning and Aerocoupling
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Topics: Compressors, Modeling, Vibration, Rotors, Blades, Damping, Engineering simulation, Fatigue life, High cycle fatigue, Simulation
Proceedings Papers

Off-Design Modelling and Operational Optimization of Trans-Critical Carbon Dioxide Heat Pumps

Paolo Gabrielli, Siddhant Singh, Giovanni Sansavini, Luis Sanz Garcia, Emmanuel Jacquemoud, Philipp Jenny
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A022, June 13–17, 2022
Paper No: GT2022-83205
DOI: https://doi.org/10.1115/GT2022-83205
View Paper titled, Off-Design Modelling and Operational Optimization of Trans-Critical Carbon Dioxide Heat Pumps
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Topics: Carbon dioxide, Design, Heat pumps, Modeling, Optimization, Heating and cooling, Boundary-value problems, Climate change, Cooling, Engines
Proceedings Papers

Design of an Additively Manufactured Recuperator With 800 °C Inlet Temperature for sCO2 Power Cycle Application

Michael Marshall, Meysam Akbari, Ji-Cheng Zhao, Kevin Hoopes
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A015, June 13–17, 2022
Paper No: GT2022-82301
DOI: https://doi.org/10.1115/GT2022-82301
View Paper titled, Design of an Additively Manufactured Recuperator With 800 °C Inlet Temperature for sCO2 Power Cycle Application
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Topics: Additive manufacturing, Design, Temperature, Thermodynamic power cycles, Flow (Dynamics), Heat transfer, Lasers, Containment, Creep, Heat exchangers
Proceedings Papers

Parametric Modeling and Economic Analysis of a 2MW th 3-Stream sCO 2 Heat Exchanger

Joshua Neveu, Owen Pryor, Stefan Cich, Ellen Stechel
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A001, June 13–17, 2022
Paper No: GT2022-80558
DOI: https://doi.org/10.1115/GT2022-80558
View Paper titled, Parametric Modeling and Economic Analysis of a 2MW th 3-Stream sCO 2 Heat Exchanger
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Topics: Economic analysis, Heat exchangers, Modeling
Proceedings Papers

The Modelling of Roughness Effect on the Performance of a Controlled Diffusion Airfoil

Grégory Delvaux, Riccardo Toracchio, Elissavet Boufidi, Emma Croner, Fabrizio Fontaneto
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A005, June 13–17, 2022
Paper No: GT2022-79522
DOI: https://doi.org/10.1115/GT2022-79522
View Paper titled, The Modelling of Roughness Effect on the Performance of a Controlled Diffusion Airfoil
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Topics: Airfoils, Diffusion (Physics), Modeling, Surface roughness, Boundary layer turbulence, Blades, Finishes, Flow (Dynamics), Mach number, Manufacturing
Proceedings Papers

The Influence of Boundary Layer State and Trailing Edge Wedge Angle on the Aerodynamic Performance of Transonic Turbine Blades

A. D. Rossiter, G. Pullan, A. P. Melzer
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A025, June 13–17, 2022
Paper No: GT2022-82486
DOI: https://doi.org/10.1115/GT2022-82486
View Paper titled, The Influence of Boundary Layer State and Trailing Edge Wedge Angle on the Aerodynamic Performance of Transonic Turbine Blades
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Topics: Boundary layers, Turbine blades, Wedges, Pressure, Switches, Geometry, Vortex shedding, Airfoils, Design, Flow (Dynamics)
Proceedings Papers

Evaluation of Different Regression Models Tuned With Experimental Turbine Cascade Data

Matteo Dellacasagrande, Davide Lengani, Pietro Paliotta, Daniele Petronio, Daniele Simoni, Francesco Bertini
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A011, June 13–17, 2022
Paper No: GT2022-81357
DOI: https://doi.org/10.1115/GT2022-81357
View Paper titled, Evaluation of Different Regression Models Tuned With Experimental Turbine Cascade Data
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Topics: Cascades (Fluid dynamics), Regression models, Turbines, Databases, Accounting, Collaboration, Errors, Flow (Dynamics), Modeling, Optimization
Proceedings Papers

Using Machine Learning for Loss Prediction in a Hybrid Meanline Modeling Method to Deliver Improved Radial Turbine Performance Prediction

Pangbo Ren, Charles Stuart, Stephen Spence, Ryosuke Inomata, Takayuki Kobayashi, Isao Morita
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A004, June 13–17, 2022
Paper No: GT2022-80186
DOI: https://doi.org/10.1115/GT2022-80186
View Paper titled, Using Machine Learning for Loss Prediction in a Hybrid Meanline Modeling Method to Deliver Improved Radial Turbine Performance Prediction
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Topics: Machine learning, Modeling, Turbines, Turbochargers
Proceedings Papers

Particle Rebound/Deposition Modelling in Engine Hot Sections

Lei-Yong Jiang, Patrick Trembath, Prakash Patnaik, Michele Capurro
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT31A005, June 13–17, 2022
Paper No: GT2022-80013
DOI: https://doi.org/10.1115/GT2022-80013
View Paper titled, Particle Rebound/Deposition Modelling in Engine Hot Sections
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Topics: Engines, Modeling, Particulate matter, Sands
Proceedings Papers

Predicting and Validating Spatial Distributions of Particulate Deposition in Gas Turbine Components

Jack G. Gaskell, Nikul Vadgama, Florian Y. A. Villain, Simon Beal, Matthew McGilvray, David R. H. Gillespie, Benjamin Littley
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT31A004, June 13–17, 2022
Paper No: GT2022-79511
DOI: https://doi.org/10.1115/GT2022-79511
View Paper titled, Predicting and Validating Spatial Distributions of Particulate Deposition in Gas Turbine Components
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Topics: Gas turbines, Particulate matter, Computational fluid dynamics, Modeling, Discrete element methods, Turbulence, Cooling, Collisions (Physics), Computer software, Damage