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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

DOI: https://doi.org/10.1115/GT2022-83402

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Topics: Airfoils, Approximation, Mode shapes, Displacement, Eigenvalues, Degrees of freedom, Geometry

Proceedings Papers

Vortex-Generators Reduce the Dynamic Axial Forces in the Model of a Steam Turbine Control Valve

Stefan Wallat, Christian Musch, Dieter Brillert

Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T20A007, June 13–17, 2022

Paper No: GT2022-80688

DOI: https://doi.org/10.1115/GT2022-80688

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Topics: Generators, Steam turbines, Valves, Vortices, Acoustics, Excitation, Cavities, Flow (Dynamics), Diffusers, Pressure

Proceedings Papers

Prediction of Thermoacoustic Instability and Fluid-Structure Interactions for Gas Turbine Combustor

Yu Xia, Patrick Sharkey, Ishan Verma, Alok Khaware, Davor Cokljat

Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A003, June 13–17, 2022

Paper No: GT2022-78296

DOI: https://doi.org/10.1115/GT2022-78296

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Topics: Combustion chambers, Fluid structure interaction, Gas turbines, Flow (Dynamics), Oscillations, Deformation, Turbulence, Combustion, Computational fluid dynamics, Design

Proceedings Papers

Multidisciplinary Optimization of Radial Outflow Turbines With Highly Deformable Blades

André Governo, Bayindir H. Saracoglu

Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T18A022, June 13–17, 2022

Paper No: GT2022-84333

DOI: https://doi.org/10.1115/GT2022-84333

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Topics: Blades, Optimization, Outflow, Turbines, Flow (Dynamics), Rotors, Cavities, Design, Stress, Air flow

Proceedings Papers

Fast and Integrated Tools for Forced Response Prediction: An Application to a Transonic Compressor Rotor Blisk

Lorenzo Pinelli, Alberto Bandini, Michele Marconcini, Andrea Amedei, Enrico Meli, Andrea Rindi

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, V08AT21A012, June 13–17, 2022

Paper No: GT2022-81975

DOI: https://doi.org/10.1115/GT2022-81975

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Topics: Compressors, Rotors, Blades, Computational fluid dynamics, Design, Finite element methods, Finite element model, Mode shapes, Chain, Diluents

Proceedings Papers

A Novel Low-Cost Approach to Testing High-Cycle Fatigue Limits

Luis Mendez Betances, Samer Armaly, Jeffrey L. Kauffman

Paper No: GT2022-82658

DOI: https://doi.org/10.1115/GT2022-82658

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Topics: High cycle fatigue, Testing, Vibration, Cycles, Engines, Feedback, Motors, Cantilevers, Control equipment, Displacement

Proceedings Papers

Self-Excited High-Frequency Transverse Limit-Cycle Oscillations and Associated Flame Dynamics in a Gas Turbine Reheat Combustor Experiment

Jonathan McClure, Frederik M. Berger, Michael Bertsch, Bruno Schuermans, Thomas Sattelmayer

Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A009, June 7–11, 2021

Paper No: GT2021-59540

DOI: https://doi.org/10.1115/GT2021-59540

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Topics: Combustion chambers, Dynamics (Mechanics), Flames, Gas turbines, Limit cycles, Oscillations, Acoustics, Pressure, Displacement, Heat

Proceedings Papers

Reconstruction of Temperature Distribution for a Turbulent Free Jet Using Background Oriented Schlieren

Benjamin H. Wahls, Kishore Ranganath Ramakrishnan, Srinath Ekkad

Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T05A011, June 7–11, 2021

Paper No: GT2021-59690

DOI: https://doi.org/10.1115/GT2021-59690

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Topics: Temperature distribution, Turbulence, Nozzles, Temperature, Algorithms, Chemically reactive flow, Displacement, Flow (Dynamics), Steady state, Thermocouples

Proceedings Papers

The Effect of Inlet Conditions on Turbine Endwall Loss

John D. Coull, Christopher J. Clark

Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT32A011, June 7–11, 2021

Paper No: GT2021-59694

DOI: https://doi.org/10.1115/GT2021-59694

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Topics: Turbines, Vorticity, Blades, Boundary layers, Boundary-value problems, Design, Displacement, Energy dissipation, Flow (Dynamics), Kinetic energy

Proceedings Papers

Design and Validation of a Large Steam Turbine End-Stage Blade to Meet Current and Future Market Demands

Bertold Lübbe, Jens Aschenbruck, Oliver Pütz, Mira Theidel

Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T22A014, June 7–11, 2021

Paper No: GT2021-59315

DOI: https://doi.org/10.1115/GT2021-59315

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Topics: Blades, Design, Steam turbines, Stress, Steel, Vibration, Condensers (steam plant), Exhaust systems, Pressure, Strain gages

Proceedings Papers

Static Performance of Smooth Liquid Annular Seals in the Transition and Turbulent Regimes

Dara W. Childs, Joshua Bullock

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A002, June 7–11, 2021

Paper No: GT2021-58543

DOI: https://doi.org/10.1115/GT2021-58543

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Topics: Turbulence, Flow (Dynamics), Reynolds number, Clearances (Engineering), Displacement, Flowmeters, Friction, Leakage, Pressure, Pressure drop

Proceedings Papers

Gaussian Stochastic Process Modeling of Blend Repaired Airfoil Modal Response Using Reduced Basis Mode Shape Approach

Jeffrey M. Brown, Alex A. Kaszynski, Daniel L. Gillaugh, Emily B. Carper, Joseph A. Beck

Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A028, June 7–11, 2021

Paper No: GT2021-60238

DOI: https://doi.org/10.1115/GT2021-60238

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Topics: Airfoils, Mode shapes, Modeling, Stochastic processes, Modal assurance criterion, Maintenance, Displacement, Geometry, Design, Finite element model

Proceedings Papers

Matrix Crack Networks in SiC/SiC Composites: In-Situ Characterisation and Metrics

S. P. Jordan, S. P. Jeffs, C. D. Newton, L. Gale, P. I. Nicholson, M. R. Bache

Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T02A001, June 7–11, 2021

Paper No: GT2021-03796

DOI: https://doi.org/10.1115/GT2021-03796

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Topics: Composite materials, Fracture (Materials), Damage, Temperature, Ceramic matrix composites, Acoustic emissions, Cracking (Materials), Displacement, Engineering inspection, Engineering systems and industry applications

Proceedings Papers

Experimental Results of Local Shear Stresses and Friction Torque in an Open Rotor-Stator Disc System

Alexander Kuntze, Stefan Odenbach, Wieland Uffrecht

Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT14A021, September 21–25, 2020

Paper No: GT2020-15498

DOI: https://doi.org/10.1115/GT2020-15498

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Topics: Disks, Friction, Rotors, Shear stress, Stators, Torque, Sensors, Displacement, Heat transfer coefficients, Reynolds number

Proceedings Papers

Transient Aero-Thermo-Mechanical Multidimensional Analysis of a High Pressure Turbine Assembly Through a Square Cycle

Vlad Ganine, John W. Chew, Nicholas J. Hills, Sulfi N. Mohamed, Matthew M. Miller

Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT14A024, September 21–25, 2020

Paper No: GT2020-15667

DOI: https://doi.org/10.1115/GT2020-15667

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Topics: Cycles, High pressure (Physics), Manufacturing, Transients (Dynamics), Turbines, Flow (Dynamics), Cooling, Engines, Heat transfer, Aircraft engines

Proceedings Papers

Prediction of Non-Linear Mechanical Behavior With Deep Neural Network: Application on Low Pressure Turbine Disc

Yuan Jin, Weichen Li, Zheyi Yang, Olivier Jung

Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT38A005, September 21–25, 2020

Paper No: GT2020-14382

DOI: https://doi.org/10.1115/GT2020-14382

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Topics: Artificial neural networks, Disks, Mechanical behavior, Pressure, Turbines, Constitutive equations, Displacement, Design, Engineering simulation, Elastoplasticity

Proceedings Papers

Experimental Investigation on the Loss Production Mechanisms in Transitional Boundary Layers

M. Dellacasagrande, D. Lengani, D. Simoni, M. Ubaldi, P. Zunino

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A019, September 21–25, 2020

Paper No: GT2020-15148

DOI: https://doi.org/10.1115/GT2020-15148

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Topics: Boundary layers, Flow (Dynamics), Eigenvalues, Turbulence, Pressure gradient, Shear (Mechanics), Stress tensors, Bubbles, Displacement, Energy dissipation

Proceedings Papers

Analysis of Intentional Mistuning on the Aeroelastic Stability of Freestanding Last Stage Blade Rows in Steam Turbines

Christian Siewert, Oliver Pütz, Jonas Eigemann

Proc. ASME. GT2020, Volume 9: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Steam Turbine, V009T23A010, September 21–25, 2020

Paper No: GT2020-14656

DOI: https://doi.org/10.1115/GT2020-14656

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Topics: Blades, Stability, Steam turbines, Vibration, Damping, Flutter (Aerodynamics), Computational fluid dynamics, Manufacturing, Mechanical properties, Stiffness

Proceedings Papers

Numerical Analysis of Flutter in Variable Geometry Compressors

Kentaro Suzuki, Fanzhou Zhao, Mehdi Vahdati

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A028, September 21–25, 2020

Paper No: GT2020-16093

DOI: https://doi.org/10.1115/GT2020-16093

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Topics: Compressors, Flutter (Aerodynamics), Geometry, Numerical analysis, Blades, Computation, Design, Rotors, Aeroelasticity, Clearances (Engineering)

Proceedings Papers

Influence of Coating Technologies on Frictional Properties of Foil Bearings During Start/Stop Conditions

Azzedine Dadouche, Qi Yang, Daejong Kim

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A028, September 21–25, 2020

Paper No: GT2020-15662

DOI: https://doi.org/10.1115/GT2020-15662

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Topics: Coatings, Foil bearings, Bearings, Friction, Molybdenum, Thermocouples, Titanium, Torque, Accelerometers, Aluminum

2 3 4 5

NARROW

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

Vortex-Generators Reduce the Dynamic Axial Forces in the Model of a Steam Turbine Control Valve

Prediction of Thermoacoustic Instability and Fluid-Structure Interactions for Gas Turbine Combustor

Multidisciplinary Optimization of Radial Outflow Turbines With Highly Deformable Blades

Fast and Integrated Tools for Forced Response Prediction: An Application to a Transonic Compressor Rotor Blisk

A Novel Low-Cost Approach to Testing High-Cycle Fatigue Limits

Self-Excited High-Frequency Transverse Limit-Cycle Oscillations and Associated Flame Dynamics in a Gas Turbine Reheat Combustor Experiment

Reconstruction of Temperature Distribution for a Turbulent Free Jet Using Background Oriented Schlieren

The Effect of Inlet Conditions on Turbine Endwall Loss

Design and Validation of a Large Steam Turbine End-Stage Blade to Meet Current and Future Market Demands

Static Performance of Smooth Liquid Annular Seals in the Transition and Turbulent Regimes

Gaussian Stochastic Process Modeling of Blend Repaired Airfoil Modal Response Using Reduced Basis Mode Shape Approach

Matrix Crack Networks in SiC/SiC Composites: In-Situ Characterisation and Metrics

Experimental Results of Local Shear Stresses and Friction Torque in an Open Rotor-Stator Disc System

Transient Aero-Thermo-Mechanical Multidimensional Analysis of a High Pressure Turbine Assembly Through a Square Cycle

Prediction of Non-Linear Mechanical Behavior With Deep Neural Network: Application on Low Pressure Turbine Disc

Experimental Investigation on the Loss Production Mechanisms in Transitional Boundary Layers

Analysis of Intentional Mistuning on the Aeroelastic Stability of Freestanding Last Stage Blade Rows in Steam Turbines

Numerical Analysis of Flutter in Variable Geometry Compressors

Influence of Coating Technologies on Frictional Properties of Foil Bearings During Start/Stop Conditions

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