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Proceedings Papers

Physics-Informed Neural Network Modeling Approach for Mistuned Bladed Disks

Sean T. Kelly, Bogdan I. Epureanu
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 11B: Structures and Dynamics — Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V11BT27A012, June 26–30, 2023
Paper No: GT2023-102034
https://doi.org/10.1115/GT2023-102034
View Paper titled, Physics-Informed Neural Network Modeling Approach for Mistuned Bladed Disks
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Topics: Artificial neural networks, Bladed disks, Modeling, Physics, Blades, Dynamics (Mechanics), Excitation, Disks, Finite element analysis, Stress
Proceedings Papers

Reduced Order Models for Bladed Disks With Contact Mistuning at Blade Root Joints

Valeria Pinto, Giuseppe Battiato, Christian Maria Firrone
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 11B: Structures and Dynamics — Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V11BT23A006, June 26–30, 2023
Paper No: GT2023-103078
https://doi.org/10.1115/GT2023-103078
View Paper titled, Reduced Order Models for Bladed Disks With Contact Mistuning at Blade Root Joints
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Topics: Bladed disks, Blades, Disks, Manufacturing, Stiffness, Vibration, Computation, Computer software, Degrees of freedom, Design
Proceedings Papers

Asymptotic Evaluation of Nonlinear Friction Effects in Realistic LPT Rotors

Salvador Rodríguez-Blanco, Javier González-Monge, Carlos Martel
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 11B: Structures and Dynamics — Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V11BT27A017, June 26–30, 2023
Paper No: GT2023-102829
https://doi.org/10.1115/GT2023-102829
View Paper titled, Asymptotic Evaluation of Nonlinear Friction Effects in Realistic LPT Rotors
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Topics: Friction, Rotors, Bladed disks, Computation, Resonance, Vibration, Blades, Cycles, Degrees of freedom, Differential equations
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
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

Interface Reduction in an Equivalent Linearization Algorithm for Nonlinearly Coupled Systems Under Random Excitation

Alwin Förster, Lars Panning-von Scheidt
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A001, June 13–17, 2022
Paper No: GT2022-78367
https://doi.org/10.1115/GT2022-78367
View Paper titled, Interface Reduction in an Equivalent Linearization Algorithm for Nonlinearly Coupled Systems Under Random Excitation
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Topics: Algorithms, Approximation, Couplings, Degrees of freedom, Disks, Dynamics (Mechanics), Excitation, Manufacturing, Polynomials, Random excitation
Proceedings Papers

A Reduction Technique for the Calculation of the Forced Response of Bladed Disks in Presence of Contact Mistuning at Blade Root Joints

Valeria Pinto, Giuseppe Battiato, Christian M. Firrone
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A031, June 13–17, 2022
Paper No: GT2022-83289
https://doi.org/10.1115/GT2022-83289
View Paper titled, A Reduction Technique for the Calculation of the Forced Response of Bladed Disks in Presence of Contact Mistuning at Blade Root Joints
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Topics: Blades, Disks, Manufacturing, Computer software, Degrees of freedom, Design, Engineering simulation, Finite element analysis, Simulation, Uncertainty
Proceedings Papers

Gradient Enhanced Kriging Using Modal Sensitivity Approximations in a Reduced Basis Space for As-Manufactured Airfoil Analysis

Jeffrey M. Brown, Emily B. Carper, Alex A. Kaszynski, Daniel L. Gillaugh, Joseph A. Beck
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A034, June 13–17, 2022
Paper No: GT2022-83402
https://doi.org/10.1115/GT2022-83402
View Paper titled, Gradient Enhanced Kriging Using Modal Sensitivity Approximations in a Reduced Basis Space for As-Manufactured Airfoil Analysis
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Topics: Airfoils, Approximation, Mode shapes, Displacement, Eigenvalues, Degrees of freedom, Geometry
Proceedings Papers

PDA Laser Measurements of Droplet-Laden Flows in a Four Stage Axial Compressor

Tobias Doerr, Sebastian Schuster, Dieter Brillert
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A007, June 13–17, 2022
Paper No: GT2022-80284
https://doi.org/10.1115/GT2022-80284
View Paper titled, PDA Laser Measurements of Droplet-Laden Flows in a Four Stage Axial Compressor
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Topics: Compressors, Drops, Flow (Dynamics), Lasers, Laser beams, Liquid films, Air flow, Aircraft engines, Blades, Boundary layers
Proceedings Papers

High-Order Spectral/hp Compressible and Incompressible Comparison of Transitional Boundary-Layers Subject to a Realistic Pressure Gradient and High Reynolds Number

Guglielmo Vivarelli, João Anderson Isler, Francesco Montomoli, Spencer J. Sherwin, Paolo Adami
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A024, June 13–17, 2022
Paper No: GT2022-82100
https://doi.org/10.1115/GT2022-82100
View Paper titled, High-Order Spectral/hp Compressible and Incompressible Comparison of Transitional Boundary-Layers Subject to a Realistic Pressure Gradient and High Reynolds Number
Open the PDF for High-Order Spectral/hp Compressible and Incompressible Comparison of Transitional Boundary-Layers Subject to a Realistic Pressure Gradient and High Reynolds Number in another window
Topics: Boundary layers, Pressure gradient, Reynolds number, Flow (Dynamics), Turbulence, Bubbles, Compressibility, Compressible flow, Computer simulation, Cross-flow
Proceedings Papers

Turbine Endwall Contouring Through Advanced Optimization Techniques

Matteo Burigana, Tom Verstraete, Sergio Lavagnoli
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT34A012, June 13–17, 2022
Paper No: GT2022-82144
https://doi.org/10.1115/GT2022-82144
View Paper titled, Turbine Endwall Contouring Through Advanced Optimization Techniques
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Topics: Optimization, Turbines, Design, Engines, Blades, Flow (Dynamics), High pressure (Physics), Parametrization, Rotors, Boundary-value problems
Proceedings Papers

Aerodynamic Optimization of the SRV2 Radial Compressor Using an Adjoint-Based Optimization Method

Arnaud Châtel, Tom Verstraete
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT34A014, June 13–17, 2022
Paper No: GT2022-82530
https://doi.org/10.1115/GT2022-82530
View Paper titled, Aerodynamic Optimization of the SRV2 Radial Compressor Using an Adjoint-Based Optimization Method
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Topics: Compressors, Optimization, Design, Algorithms, Compressor impellers, Degrees of freedom, Flow (Dynamics), Quadratic programming, Reynolds-averaged Navier–Stokes equations, Tradeoffs
Proceedings Papers

Select Trade-Offs in Parallel Hybrid Turboprop Cycle Design

Michael Sielemann, Mavroudis D. Kavvalos, Nithish Selvan, Jim Claesson, Konstantinos Kyprianidis
Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T01A014, June 13–17, 2022
Paper No: GT2022-81629
https://doi.org/10.1115/GT2022-81629
View Paper titled, Select Trade-Offs in Parallel Hybrid Turboprop Cycle Design
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Topics: Cycles, Design, Tradeoffs, Gas turbines, Machinery, Aircraft, Electricity (Physics), Fuel consumption, Propellers, Turbines
Proceedings Papers

Estimation of Dynamical Thermoacoustic Modes Using an Output Only Observer Kalman Filter-Based Identification (O 3 KID) Algorithm

Nikhil Balasubramanian, Driek Rouwenhorst, Jakob Hermann
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T05A001, June 13–17, 2022
Paper No: GT2022-80650
https://doi.org/10.1115/GT2022-80650
View Paper titled, Estimation of Dynamical Thermoacoustic Modes Using an Output Only Observer Kalman Filter-Based Identification (O 3 KID) Algorithm
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Topics: Algorithms, Filters, Modeling, Dynamics (Mechanics), Noise (Sound), Combustion, Kalman filters, Combustion chambers, Damping, Gas turbines
Proceedings Papers

Investigation on the Robustness of Rotor/Stator Contact Interactions With Respect to Small Mistuning

Florence Nyssen, Alain Batailly
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A017, June 7–11, 2021
Paper No: GT2021-59216
https://doi.org/10.1115/GT2021-59216
View Paper titled, Investigation on the Robustness of Rotor/Stator Contact Interactions With Respect to Small Mistuning
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Topics: Robustness, Rotors, Stators, Blades, Degrees of freedom, Disks, Design, Engineering simulation, Engines, Excitation
Proceedings Papers

Influence of Working Fluid Composition on the Optimum Characteristics of Blended Supercritical Carbon Dioxide Cycles

F. Crespi, G. S. Martínez, P. Rodriguez de Arriba, D. Sánchez, F. Jiménez-Espadafor
Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A030, June 7–11, 2021
Paper No: GT2021-60293
https://doi.org/10.1115/GT2021-60293
View Paper titled, Influence of Working Fluid Composition on the Optimum Characteristics of Blended Supercritical Carbon Dioxide Cycles
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Topics: Cycles, Fluids, Supercritical carbon dioxide, Carbon dioxide, Temperature, Concentrating solar power, Thermal efficiency, Thermodynamic power cycles, Compressors, Degrees of freedom
Proceedings Papers

Development of a Multi-Shaker-Control to Investigate the Influence of the Interblade Phase Angle on Frictionally Damped Turbine Blades

Florian Jäger, Ferhat Kaptan, Lars Panning-Von Scheidt, Jörg Wallaschek
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A018, June 7–11, 2021
Paper No: GT2021-59272
https://doi.org/10.1115/GT2021-59272
View Paper titled, Development of a Multi-Shaker-Control to Investigate the Influence of the Interblade Phase Angle on Frictionally Damped Turbine Blades
Open the PDF for Development of a Multi-Shaker-Control to Investigate the Influence of the Interblade Phase Angle on Frictionally Damped Turbine Blades in another window
Topics: Blades, Control algorithms, Control systems, Dampers, Damping, Degrees of freedom, Friction, Mode shapes, Stress, Turbine blades
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

Aeromechanical Optimization of Scalloping in Mixed Flow Turbines

Matthew Elliott, Stephen Spence, Martin Seiler, Marco Geron
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT37A004, June 7–11, 2021
Paper No: GT2021-58901
https://doi.org/10.1115/GT2021-58901
View Paper titled, Aeromechanical Optimization of Scalloping in Mixed Flow Turbines
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Topics: Flow (Dynamics), Optimization, Turbines, Design, Inertia (Mechanics), Engines, Stress, Rotors, Transients (Dynamics), Turbochargers
Proceedings Papers

Numerical Investigation of Dump Diffuser Combustor Performance at Uniform and Non-Uniform Inlet Conditions

Heyu Wang, Kai Hong Luo
Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A030, September 21–25, 2020
Paper No: GT2020-15982
https://doi.org/10.1115/GT2020-15982
View Paper titled, Numerical Investigation of Dump Diffuser Combustor Performance at Uniform and Non-Uniform Inlet Conditions
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Topics: Combustion chambers, Diffusers, Pressure, Compressors, Aircraft engines, Boundary layers, Design, Aerodynamics, Air flow, Annulus
Proceedings Papers

Comparative Study of Blades Reduced Order Models With Geometrical Nonlinearities and Contact Interfaces

Elise Delhez, Florence Nyssen, Jean-Claude Golinval, Alain Batailly
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A017, September 21–25, 2020
Paper No: GT2020-14882
https://doi.org/10.1115/GT2020-14882
View Paper titled, Comparative Study of Blades Reduced Order Models With Geometrical Nonlinearities and Contact Interfaces
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Topics: Blades, Finite element model, Accounting, Compressors, Degrees of freedom, Displacement, Excitation, NASA, Robustness, Rotors