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Proceedings Papers

Axial Compressor Blade Failure, Design Modification, and its Validation

C. J. Hulme, S. W. Fiebiger, J. Szwedowicz

Proc. ASME. GT2015, Volume 7A: Structures and Dynamics, V07AT28A011, June 15–19, 2015

Paper No: GT2015-43312

DOI: https://doi.org/10.1115/GT2015-43312

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Topics: Blades, Compressors, Design, Failure, Damage, Engines, High cycle fatigue, Root cause analysis, Airfoils, Design methodology

Proceedings Papers

Cyclic Finite Element Modeling of Shrouded Turbine Blades Including Frictional Contacts

J. Szwedowicz

Proc. ASME. GT1999, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award; General, V004T03A009, June 7–10, 1999

Paper No: 99-GT-092

DOI: https://doi.org/10.1115/99-GT-092

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Topics: Blades, Disks, Finite element analysis, Finite element model, Modeling, Turbine blades

Proceedings Papers

Approach to Unidirectional Coupled CFD – FEM Analysis of Axial Turbocharger Turbine Blades

D. Filsinger, J. Szwedowicz, O. Schäfer

Proc. ASME. GT2001, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award, V004T03A047, June 4–7, 2001

Paper No: 2001-GT-0288

DOI: https://doi.org/10.1115/2001-GT-0288

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Topics: Computational fluid dynamics, Finite element methods, Finite element model, Turbine blades, Turbochargers, Disks, Excitation, Rotors, Turbines, Airfoils

Proceedings Papers

Estimation of Contact Stiffness and its Role in the Design of a Friction Damper

J. Szwedowicz, M. Kissel, B. Ravindra, R. Kellerer

Paper No: 2001-GT-0290

DOI: https://doi.org/10.1115/2001-GT-0290

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Topics: Dampers, Design, Friction, Stiffness, Blades, Finite element analysis, Centrifugal force, Computation, Contact mechanics, Curve fitting

Proceedings Papers

Effect of Common Blade Tip Squealer Designs in Terms of Tip Clearance Loss Control

N. Lomakin, A. Granovskiy, V. Belkanov, J. Szwedowicz

Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T03A005, September 30–October 3, 2013

Paper No: TBTS2013-2040

DOI: https://doi.org/10.1115/TBTS2013-2040

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Topics: Blades, Clearances (Engineering), Design, Turbines, Flow (Dynamics), Pressure, Airfoils, Suction, Aerodynamics, Cascades (Fluid dynamics)

Proceedings Papers

Scaling Concept for Axial Turbine Stages With Loosely Assembled Friction Bolts: The Linear Dynamic Assessment — Part I

J. Szwedowicz, Th. Secall-Wimmel, P. Du¨nck-Kerst, A. Sonnenschein, D. Regnery, M. Westfahl

Proc. ASME. GT2007, Volume 5: Turbo Expo 2007, 437-449, May 14–17, 2007

Paper No: GT2007-27502

DOI: https://doi.org/10.1115/GT2007-27502

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Topics: Friction, Turbines, Blades, Resonance, Disks, Excitation, Design, Particle spin, Rotation, Spin (Aerodynamics)

Proceedings Papers

Damping Performance of Axial Turbine Stages With Loosely Assembled Friction Bolts: The Non-Linear Dynamic Assessment — Part II

J. Szwedowicz, Th. Secall-Wimmel, P. Du¨nck-Kerst

Proc. ASME. GT2007, Volume 5: Turbo Expo 2007, 451-464, May 14–17, 2007

Paper No: GT2007-27506

DOI: https://doi.org/10.1115/GT2007-27506

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Topics: Damping, Friction, Turbines, Blades, Resonance, Excitation, Airfoils, Disks, Dynamic analysis, Engineering simulation

Proceedings Papers

Optimum Strain Gauge Application to Bladed Assemblies

J. Szwedowicz, S. M. Senn, R. S. Abhari

Proc. ASME. GT2002, Volume 4: Turbo Expo 2002, Parts A and B, 725-733, June 3–6, 2002

Paper No: GT2002-30306

DOI: https://doi.org/10.1115/GT2002-30306

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Topics: Strain gages, Disks, Optimization, Structural elements (Construction), Computation, Finite element model, Gages, Genetic algorithms, Impellers, Instrumentation

Proceedings Papers

On Forced Vibration of Shrouded Turbine Blades

J. Szwedowicz, W. Sextro, R. Visser, P. A. Masserey

Proc. ASME. GT2003, Volume 4: Turbo Expo 2003, 257-266, June 16–19, 2003

Paper No: GT2003-38808

DOI: https://doi.org/10.1115/GT2003-38808

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Topics: Turbine blades, Vibration, Resonance, Blades, Damping, Disks, Manufacturing, Air jets, Design, Excitation

Proceedings Papers

Nonlinear Dynamic Analyses of a Gas Turbine Blade for Attainment of Reliable Shroud Coupling

J. Szwedowicz, S. Slowik, A. Mahler, C. J. Hulme

Proc. ASME. GT2005, Volume 4: Turbo Expo 2005, 553-561, June 6–9, 2005

Paper No: GT2005-69062

DOI: https://doi.org/10.1115/GT2005-69062

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Topics: Blades, Dynamic analysis, Gas turbines, Friction, Stress, Vibration, Excitation, Stiffness, Combustion chambers, Computation

Proceedings Papers

Numerical and Experimental Damping Assessment of a Thin-Walled Friction Damper in the Rotating Set-Up With High Pressure Turbine Blades

J. Szwedowicz, C. Gibert, T. P. Sommer, R. Kellerer

Proc. ASME. GT2006, Volume 5: Marine; Microturbines and Small Turbomachinery; Oil and Gas Applications; Structures and Dynamics, Parts A and B, 973-983, May 8–11, 2006

Paper No: GT2006-90951

DOI: https://doi.org/10.1115/GT2006-90951

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Topics: Dampers, Damping, Friction, High pressure (Physics), Turbine blades, Blades, Design, Dimensions, Stiffness, Vibration

Journal Articles

Damping Performance of Axial Turbine Stages With Loosely Assembled Friction Bolts: The Nonlinear Dynamic Assessment

J. Szwedowicz, Th. Secall-Wimmel, P. Dünck-Kerst

J. Eng. Gas Turbines Power. May 2008, 130(3): 032505.

DOI: https://doi.org/10.1115/1.2838998

Published Online: April 3, 2008

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Topics: Blades, Friction, Damping, Resonance, Stiffness, Stress, Excitation, Turbines

Journal Articles

Scaling Concept for Axial Turbine Stages With Loosely Assembled Friction Bolts: The Linear Dynamic Assessment

J. Szwedowicz, Th. Secall-Wimmel, P. Dünck-Kerst, A. Sonnenschein, D. Regnery, M. Westfahl

J. Eng. Gas Turbines Power. May 2008, 130(3): 032504.

DOI: https://doi.org/10.1115/1.2838995

Published Online: April 3, 2008

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Topics: Blades, Friction, Airfoils, Stress, Resonance, Rotation

Journal Articles

Numerical and Experimental Damping Assessment of a Thin-Walled Friction Damper in the Rotating Setup With High Pressure Turbine Blades

J. Szwedowicz, C. Gibert, T. P. Sommer, R. Kellerer

J. Eng. Gas Turbines Power. January 2008, 130(1): 012502.

DOI: https://doi.org/10.1115/1.2771240

Published Online: December 18, 2007

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Topics: Blades, Dampers, Friction, Stiffness, Excitation, Damping

Journal Articles

On Nonlinear Forced Vibration of Shrouded Turbine Blades

J. Szwedowicz, R. Visser, W. Sextro, P. A. Masserey

J. Turbomach. January 2008, 130(1): 011002.

DOI: https://doi.org/10.1115/1.2218889

Published Online: December 14, 2007

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Topics: Blades, Damping, Excitation, Friction, Resonance, Vibration, Disks, Rotation, Stiffness, Turbine blades

Journal Articles

Optimum Strain Gage Application to Bladed Assemblies

J. Szwedowicz, S. M. Senn, R. S. Abhari

J. Turbomach. October 2002, 124(4): 606–613.

DOI: https://doi.org/10.1115/1.1506957

Published Online: November 7, 2002

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Topics: Gages, Optimization, Strain gages, Disks

Journal Articles

Approach to Unidirectional Coupled CFD–FEM Analysis of Axial Turbocharger Turbine Blades

D. Filsinger, J. Szwedowicz, O. Scha¨fer

J. Turbomach. January 2002, 124(1): 125–131.

DOI: https://doi.org/10.1115/1.1415035

Published Online: February 1, 2001

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Topics: Blades, Boundary-value problems, Computational fluid dynamics, Disks, Finite element methods, Finite element model, Pressure, Turbine blades, Turbines, Turbochargers

Journal citation

NARROW

Axial Compressor Blade Failure, Design Modification, and its Validation

Cyclic Finite Element Modeling of Shrouded Turbine Blades Including Frictional Contacts

Approach to Unidirectional Coupled CFD – FEM Analysis of Axial Turbocharger Turbine Blades

Estimation of Contact Stiffness and its Role in the Design of a Friction Damper

Effect of Common Blade Tip Squealer Designs in Terms of Tip Clearance Loss Control

Scaling Concept for Axial Turbine Stages With Loosely Assembled Friction Bolts: The Linear Dynamic Assessment — Part I

Damping Performance of Axial Turbine Stages With Loosely Assembled Friction Bolts: The Non-Linear Dynamic Assessment — Part II

Optimum Strain Gauge Application to Bladed Assemblies

On Forced Vibration of Shrouded Turbine Blades

Nonlinear Dynamic Analyses of a Gas Turbine Blade for Attainment of Reliable Shroud Coupling

Numerical and Experimental Damping Assessment of a Thin-Walled Friction Damper in the Rotating Set-Up With High Pressure Turbine Blades

Damping Performance of Axial Turbine Stages With Loosely Assembled Friction Bolts: The Nonlinear Dynamic Assessment

Scaling Concept for Axial Turbine Stages With Loosely Assembled Friction Bolts: The Linear Dynamic Assessment

Numerical and Experimental Damping Assessment of a Thin-Walled Friction Damper in the Rotating Setup With High Pressure Turbine Blades

On Nonlinear Forced Vibration of Shrouded Turbine Blades

Optimum Strain Gage Application to Bladed Assemblies

Approach to Unidirectional Coupled CFD–FEM Analysis of Axial Turbocharger Turbine Blades

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