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J. Szwedowicz
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-43312
https://doi.org/10.1115/GT2015-43312
View Paper titled, Axial Compressor Blade Failure, Design Modification, and its Validation
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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
Publisher: American Society of Mechanical Engineers
Paper No: 99-GT-092
https://doi.org/10.1115/99-GT-092
View Paper titled, Cyclic Finite Element Modeling of Shrouded Turbine Blades Including Frictional Contacts
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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
Publisher: American Society of Mechanical Engineers
Paper No: 2001-GT-0288
https://doi.org/10.1115/2001-GT-0288
View Paper titled, Approach to Unidirectional Coupled CFD – FEM Analysis of Axial Turbocharger Turbine Blades
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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
Proc. ASME. GT2001, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award, V004T03A049, June 4–7, 2001
Publisher: American Society of Mechanical Engineers
Paper No: 2001-GT-0290
https://doi.org/10.1115/2001-GT-0290
View Paper titled, Estimation of Contact Stiffness and its Role in the Design of a Friction Damper
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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
Publisher: American Society of Mechanical Engineers
Paper No: TBTS2013-2040
https://doi.org/10.1115/TBTS2013-2040
View Paper titled, Effect of Common Blade Tip Squealer Designs in Terms of Tip Clearance Loss Control
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2007-27502
https://doi.org/10.1115/GT2007-27502
View Paper titled, Scaling Concept for Axial Turbine Stages With Loosely Assembled Friction Bolts: The Linear Dynamic Assessment — Part I
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2007-27506
https://doi.org/10.1115/GT2007-27506
View Paper titled, Damping Performance of Axial Turbine Stages With Loosely Assembled Friction Bolts: The Non-Linear Dynamic Assessment — Part II
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Topics: Damping, Friction, Turbines, Blades, Resonance, Excitation, Airfoils, Disks, Dynamic analysis, Engineering simulation
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2003-38808
https://doi.org/10.1115/GT2003-38808
View Paper titled, On Forced Vibration of Shrouded Turbine Blades
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Topics: Turbine blades, Vibration, Resonance, Blades, Damping, Disks, Manufacturing, Air jets, Design, Excitation
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2002-30306
https://doi.org/10.1115/GT2002-30306
View Paper titled, Optimum Strain Gauge Application to Bladed Assemblies
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Topics: Strain gages, Disks, Optimization, Structural elements (Construction), Computation, Finite element model, Gages, Genetic algorithms, Impellers, Instrumentation
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2005-69062
https://doi.org/10.1115/GT2005-69062
View Paper titled, Nonlinear Dynamic Analyses of a Gas Turbine Blade for Attainment of Reliable Shroud Coupling
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2006-90951
https://doi.org/10.1115/GT2006-90951
View Paper titled, Numerical and Experimental Damping Assessment of a Thin-Walled Friction Damper in the Rotating Set-Up With High Pressure Turbine Blades
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Topics: Dampers, Damping, Friction, High pressure (Physics), Turbine blades, Blades, Design, Dimensions, Stiffness, Vibration
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
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2008, 130(3): 032504.
https://doi.org/10.1115/1.2838995
Published Online: April 3, 2008
View Article titled, Scaling Concept for Axial Turbine Stages With Loosely Assembled Friction Bolts: The Linear Dynamic Assessment
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Topics: Blades, Friction, Airfoils, Stress, Resonance, Rotation
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
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2008, 130(3): 032505.
https://doi.org/10.1115/1.2838998
Published Online: April 3, 2008
View Article titled, Damping Performance of Axial Turbine Stages With Loosely Assembled Friction Bolts: The Nonlinear Dynamic Assessment
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Topics: Blades, Friction, Damping, Resonance, Stiffness, Stress, Excitation, Turbines
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
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. January 2008, 130(1): 012502.
https://doi.org/10.1115/1.2771240
Published Online: December 18, 2007
View Article titled, Numerical and Experimental Damping Assessment of a Thin-Walled Friction Damper in the Rotating Setup With High Pressure Turbine Blades
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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
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2008, 130(1): 011002.
https://doi.org/10.1115/1.2218889
Published Online: December 14, 2007
View Article titled, On Nonlinear Forced Vibration of Shrouded Turbine Blades
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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
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. October 2002, 124(4): 606–613.
https://doi.org/10.1115/1.1506957
Published Online: November 7, 2002
View Article titled, Optimum Strain Gage Application to Bladed Assemblies
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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
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. January 2002, 124(1): 125–131.
https://doi.org/10.1115/1.1415035
Published Online: February 1, 2001
View Article titled, Approach to Unidirectional Coupled CFD–FEM Analysis of Axial Turbocharger Turbine Blades
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Topics: Blades, Boundary-value problems, Computational fluid dynamics, Disks, Finite element methods, Finite element model, Pressure, Turbine blades, Turbines, Turbochargers