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Proceedings Papers

Prediction of Rotating Instabilities in Low Pressure Steam Turbines Operating at Low Load

Oliver Pütz
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T20A005, June 13–17, 2022
Paper No: GT2022-80368
DOI: https://doi.org/10.1115/GT2022-80368
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Topics: Flow (Dynamics), Pressure, Steam turbines, Stress, Transients (Dynamics)
Journal Articles

Prediction of Rotating Instabilities in Low Pressure Steam Turbines Operating at Low Load

Oliver Pütz
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2022, 144(9): 091007.
Paper No: GTP-22-1223
DOI: https://doi.org/10.1115/1.4055017
Published Online: August 1, 2022
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Topics: Blades, Excitation, Pressure, Transients (Dynamics), Flow (Dynamics), Resonance ionization spectroscopy, Turbines, Computation, Design, Stress
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

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

Comparison of Linear and Nonlinear Frequency Domain Methods for Flutter Analysis

Hans-Peter Kersken, Graham Ashcroft, Christian Frey, Nina Wolfrum, Oliver Pütz
Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A016, June 11–15, 2018
Paper No: GT2018-75626
DOI: https://doi.org/10.1115/GT2018-75626
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Topics: Flutter (Aerodynamics), Blades, Turbomachinery, Algorithms, Gas turbines, Jet engines, Pressure, Stability, Turbines
Proceedings Papers

Validation of a Linearized Navier-Stokes Based Flutter Prediction Tool: Part 1—Numerical Methods

Hans-Peter Kersken, Graham Ashcroft, Christian Frey, Oliver Pütz, Heinrich Stüer, Stefan Schmitt
Proc. ASME. GT2012, Volume 7: Structures and Dynamics, Parts A and B, 1355-1363, June 11–15, 2012
Paper No: GT2012-68018
DOI: https://doi.org/10.1115/GT2012-68018
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Topics: Flutter (Aerodynamics), Numerical analysis, Chain, Computation, Reynolds-averaged Navier–Stokes equations, Turbine blades, Cascades (Fluid dynamics), Computer software, Flow (Dynamics), Gas turbines