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Proceedings Papers

Non-Linear Numerical Simulation of Pre-Loaded Turbine Blades With Frictional Shroud Contact Under Dynamic Conditions

Hugo de Filippis, Fabrice Thouverez, Laurent Blanc, Patrick Girard, Fabrice Chevillot
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A003, June 13–17, 2022
Paper No: GT2022-79918
DOI: https://doi.org/10.1115/GT2022-79918
View Paper titled, Non-Linear Numerical Simulation of Pre-Loaded Turbine Blades With Frictional Shroud Contact Under Dynamic Conditions
Click here to open pdf in another window PDF for Non-Linear Numerical Simulation of Pre-Loaded Turbine Blades With Frictional Shroud Contact Under Dynamic Conditions
Topics: Blades, Computer simulation, Friction, Turbine blades, Manufacturing, Torsion, Turbines, Geometry, Pressure, Computer software
Proceedings Papers

Turbine Blade Crack Detection Using Blade Vibration Monitoring: Field Study From an Operating Steam Turbine

Laszlo Techy, Brynn De Gooyer, Andy von Flotow, Peter Tappert, Shaju John, David Losh, Benjamin Lewit
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, V08AT24A003, June 13–17, 2022
Paper No: GT2022-79829
DOI: https://doi.org/10.1115/GT2022-79829
View Paper titled, Turbine Blade Crack Detection Using Blade Vibration Monitoring: Field Study From an Operating Steam Turbine
Click here to open pdf in another window PDF for Turbine Blade Crack Detection Using Blade Vibration Monitoring: Field Study From an Operating Steam Turbine
Topics: Blades, Crack detection, Steam turbines, Turbine blades, Vibration
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
Click here to open pdf in another window PDF for Fully Coupled Analysis of Flutter Induced Limit Cycles: Frequency vs. Time Domain Methods
Topics: Flutter (Aerodynamics), Limit cycles, Fluid structure interaction, Oscillations, Blades, Friction, Vibration, Aircraft engines, Boundary-value problems, Damping
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
DOI: https://doi.org/10.1115/GT2022-78367
View Paper titled, Interface Reduction in an Equivalent Linearization Algorithm for Nonlinearly Coupled Systems Under Random Excitation
Click here to open pdf in another window PDF for Interface Reduction in an Equivalent Linearization Algorithm for Nonlinearly Coupled Systems Under Random Excitation
Topics: Algorithms, Approximation, Couplings, Degrees of freedom, Disks, Dynamics (Mechanics), Excitation, Manufacturing, Polynomials, Random excitation
Proceedings Papers

Application of an Advanced Meta Model Selection Algorithm on the Sensitivity Analysis of a Cooled Turbine Blade

Florian Diermeier, Matthias Voigt, Ronald Mailach, Marcus Meyer
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT25A007, June 13–17, 2022
Paper No: GT2022-83123
DOI: https://doi.org/10.1115/GT2022-83123
View Paper titled, Application of an Advanced Meta Model Selection Algorithm on the Sensitivity Analysis of a Cooled Turbine Blade
Click here to open pdf in another window PDF for Application of an Advanced Meta Model Selection Algorithm on the Sensitivity Analysis of a Cooled Turbine Blade
Topics: Selection algorithm, Sensitivity analysis, Turbine blades, Fittings, Aerospace industry, Complex systems, Polynomials, Reliability, Support vector machines
Proceedings Papers

An Experimental Investigation on the Dynamic Response Variability of a Turbine Blade With Mid-Span Dampers

Erhan Ferhatoglu, Daniele Botto, Stefano Zucca
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A004, June 13–17, 2022
Paper No: GT2022-79980
DOI: https://doi.org/10.1115/GT2022-79980
View Paper titled, An Experimental Investigation on the Dynamic Response Variability of a Turbine Blade With Mid-Span Dampers
Click here to open pdf in another window PDF for An Experimental Investigation on the Dynamic Response Variability of a Turbine Blade With Mid-Span Dampers
Topics: Dampers, Dynamic response, Friction, Turbine blades, Blades, Cycles, Design, Kinematics, Performance, Uncertainty quantification
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
Click here to open pdf in another window PDF for Robust Probabilistic Analysis of Deterioration-Induced Aeroelasticity in an Axial Turbine
Topics: Aeroelasticity, Turbines, Blades, Engineering simulation, Sensitivity analysis, Simulation, Vibration, Damping, High cycle fatigue, Airfoils
Proceedings Papers

Efficient Surrogate Modeling for Turbine Blade Row Cyclic Symmetric Mode Shapes

Anindya Bhaduri, Jing Li, Sayan Ghosh, Liping Wang
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT25A009, June 13–17, 2022
Paper No: GT2022-83414
DOI: https://doi.org/10.1115/GT2022-83414
View Paper titled, Efficient Surrogate Modeling for Turbine Blade Row Cyclic Symmetric Mode Shapes
Click here to open pdf in another window PDF for Efficient Surrogate Modeling for Turbine Blade Row Cyclic Symmetric Mode Shapes
Topics: Metamodeling, Mode shapes, Turbine blades
Proceedings Papers

Non-Linear Damper-Blade Coupling Calculations Reduced to Essentials

Chiara Gastaldi, Muzio M. Gola
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A026, June 13–17, 2022
Paper No: GT2022-82830
DOI: https://doi.org/10.1115/GT2022-82830
View Paper titled, Non-Linear Damper-Blade Coupling Calculations Reduced to Essentials
Click here to open pdf in another window PDF for Non-Linear Damper-Blade Coupling Calculations Reduced to Essentials
Topics: Blades, Dampers, Airfoils, Cycles, Finite element model, Rotation, Bending (Stress), Construction, Damping, Design
Proceedings Papers

Low Reynolds Number Effects on the Endwall Flow Field in A High-Lift Turbine Passage

Molly H. Donovan, Markus P. Rumpfkeil, Christopher R. Marks, Zachary Robison, Andreas Gross
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A010, June 13–17, 2022
Paper No: GT2022-81204
DOI: https://doi.org/10.1115/GT2022-81204
View Paper titled, Low Reynolds Number Effects on the Endwall Flow Field in A High-Lift Turbine Passage
Click here to open pdf in another window PDF for Low Reynolds Number Effects on the Endwall Flow Field in A High-Lift Turbine Passage
Topics: Flow (Dynamics), Reynolds number, Turbines, Pressure, Turbine blades, Vortices, Cascades (Fluid dynamics), Junctions, Large eddy simulation, Particulate matter
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
Click here to open pdf in another window PDF for The Influence of Boundary Layer State and Trailing Edge Wedge Angle on the Aerodynamic Performance of Transonic Turbine Blades
Topics: Boundary layers, Turbine blades, Wedges, Pressure, Switches, Geometry, Vortex shedding, Airfoils, Design, Flow (Dynamics)
Proceedings Papers

Vortical Structures and Loss Mechanism of Tip Leakage Flow In Subsonic and Transonic Turbine Stages

P. H. Duan, L. He
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A032, June 13–17, 2022
Paper No: GT2022-83473
DOI: https://doi.org/10.1115/GT2022-83473
View Paper titled, Vortical Structures and Loss Mechanism of Tip Leakage Flow In Subsonic and Transonic Turbine Stages
Click here to open pdf in another window PDF for Vortical Structures and Loss Mechanism of Tip Leakage Flow In Subsonic and Transonic Turbine Stages
Topics: Leakage flows, Turbines, Flow (Dynamics), Cavities, Vortices, Leakage, Platform supply vessels, Pressure, Cascades (Fluid dynamics), Heat transfer
Proceedings Papers

An Experimental Test Case for Transonic Low-Pressure Turbines – Part I: Rig Design, Instrumentation and Experimental Methodology

Loris Simonassi, Gustavo Lopes, Samuel Gendebien, Antonino Federico Maria Torre, Marios Patinios, Sergio Lavagnoli, Nicolas Zeller, Ludovic Pintat
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A012, June 13–17, 2022
Paper No: GT2022-81566
DOI: https://doi.org/10.1115/GT2022-81566
View Paper titled, An Experimental Test Case for Transonic Low-Pressure Turbines – Part I: Rig Design, Instrumentation and Experimental Methodology
Click here to open pdf in another window PDF for An Experimental Test Case for Transonic Low-Pressure Turbines – Part I: Rig Design, Instrumentation and Experimental Methodology
Topics: Cascades (Fluid dynamics), Design, Instrumentation, Pressure, Turbines, Flow (Dynamics), Blades, Aerodynamics, Engines, Mach number
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
Click here to open pdf in another window PDF for Predicting and Validating Spatial Distributions of Particulate Deposition in Gas Turbine Components
Topics: Gas turbines, Particulate matter, Computational fluid dynamics, Modeling, Discrete element methods, Turbulence, Cooling, Collisions (Physics), Computer software, Damage
Proceedings Papers

Profile Loss Reduction of High Lift Turbine Blades With Rough and Ribbed Surfaces

S. M. Ananth, Massimiliano Nardini, Aditya Vaid, Richard D. Sandberg, Nagabhushana Rao Vadlamani
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A026, June 13–17, 2022
Paper No: GT2022-82558
DOI: https://doi.org/10.1115/GT2022-82558
View Paper titled, Profile Loss Reduction of High Lift Turbine Blades With Rough and Ribbed Surfaces
Click here to open pdf in another window PDF for Profile Loss Reduction of High Lift Turbine Blades With Rough and Ribbed Surfaces
Topics: Surface roughness, Turbine blades, Blades, Turbulence, Boundary layers, Pressure gradient, Separation (Technology), Suction, Boundary layer turbulence, Bubbles
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
DOI: 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
Click here to open pdf in another window PDF for Assessment of RANS Turbulence Models on Simplified Geometries Representative of Turbine Blade Tip Shroud Flow
Topics: Flow (Dynamics), Reynolds-averaged Navier–Stokes equations, Turbine blades, Turbulence, Blades, Eddies (Fluid dynamics), Engineering simulation, Kinetic energy, Pressure, Reynolds stress
Proceedings Papers

Improving the Aerodynamic Performance of a High-Loading Turbine Blade by End-Wall Surface Structures

Yueyun Xi, Shaopeng Lu, Hongmei Jiang, Qiang Zhang
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A024, June 13–17, 2022
Paper No: GT2022-82460
DOI: https://doi.org/10.1115/GT2022-82460
View Paper titled, Improving the Aerodynamic Performance of a High-Loading Turbine Blade by End-Wall Surface Structures
Click here to open pdf in another window PDF for Improving the Aerodynamic Performance of a High-Loading Turbine Blade by End-Wall Surface Structures
Topics: Flow control, Turbine blades, Flow (Dynamics), Design, Blades, Boundary-value problems, Cascades (Fluid dynamics), Computational fluid dynamics, Manufacturing, Manufacturing technology
Proceedings Papers

The Influences of Trailing Edge Base Pressure on the Profile Loss of Low-Pressure Turbine Blades

Hidekazu Kodama, Ken-Ichi Funazaki
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A009, June 13–17, 2022
Paper No: GT2022-80951
DOI: https://doi.org/10.1115/GT2022-80951
View Paper titled, The Influences of Trailing Edge Base Pressure on the Profile Loss of Low-Pressure Turbine Blades
Click here to open pdf in another window PDF for The Influences of Trailing Edge Base Pressure on the Profile Loss of Low-Pressure Turbine Blades
Topics: Pressure, Turbine blades, Turbines
Proceedings Papers

Numerical Investigation of Particle Deposition in Double Wall Effusion Cooled Systems

Florian Y. A. Villain, Nikul Vadgama, Jack G. Gaskell, Peter T. Ireland, Matthew McGilvray, David R. H. Gillespie
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT31A008, June 13–17, 2022
Paper No: GT2022-81157
DOI: https://doi.org/10.1115/GT2022-81157
View Paper titled, Numerical Investigation of Particle Deposition in Double Wall Effusion Cooled Systems
Click here to open pdf in another window PDF for Numerical Investigation of Particle Deposition in Double Wall Effusion Cooled Systems
Topics: Particulate matter, Cooling, Cooling systems, Blades, Discrete element methods, Dust, Aircraft engines, Computational fluid dynamics, Computer software, Diamonds
Proceedings Papers

Aerothermal Performance of Axially Varying Winglet-Squealer Blade Tips

Anmol Garg, Nagabhushana Rao Vadlamani, Balaji Srinivasan
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A030, June 13–17, 2022
Paper No: GT2022-82947
DOI: https://doi.org/10.1115/GT2022-82947
View Paper titled, Aerothermal Performance of Axially Varying Winglet-Squealer Blade Tips
Click here to open pdf in another window PDF for Aerothermal Performance of Axially Varying Winglet-Squealer Blade Tips
Topics: Blades, Design, Pressure, Cavities, Accounting, Dynamics (Mechanics), Flow (Dynamics), Fluid dynamics, Heat, High pressure (Physics)