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Proceedings Papers

Numerical Investigation of Potential Flow Induced Vibrations of Steam Turbine Last Stage Rotor at Low Load Operation – Part 1: Sensitivity to Flutter Occurrence

Lorenzo Pinelli, Filippo Mariotti, Andrea Arnone, Michele Marconcini, Lorenzo Arcangeli, Lorenzo Ciuchicchi, Nicola Maceli

Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T20A013, June 13–17, 2022

Paper No: GT2022-82405

DOI: https://doi.org/10.1115/GT2022-82405

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Topics: Blades, Flow (Dynamics), Flutter (Aerodynamics), Rotors, Steam turbines, Stress, Vibration

Proceedings Papers

Thermal Bowing of Steam Turbine Shafts: Prediction Methods and Field Data Matching

Rama Raju Vegesna, Damaso Checcacci, Gabriele Girezzi

Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T20A012, June 13–17, 2022

Paper No: GT2022-82389

DOI: https://doi.org/10.1115/GT2022-82389

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Topics: Steam turbines

Proceedings Papers

Numerical Modeling of Water Droplets in Compressible Two-Phase Flows Based on Eulerian-Eulerian Method

Takashi Furusawa, Yasuhiro Sasao, Ryo Takata, Hironori Miyazawa, Satoru Yamamoto

Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T20A009, June 13–17, 2022

Paper No: GT2022-81246

DOI: https://doi.org/10.1115/GT2022-81246

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Topics: Computer simulation, Drops, Flow (Dynamics), Two-phase flow, Water

Proceedings Papers

Flow Through a Steam Turbine Cascade With a Single Damaged Blade: Effect of Blade Height on Loss and Outflow Angle Distribution

Michael Schmalacker, Leon Cakievski, Stefan aus der Wiesche, Markus Schatz

Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T20A008, June 13–17, 2022

Paper No: GT2022-80950

DOI: https://doi.org/10.1115/GT2022-80950

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Topics: Blades, Cascades (Fluid dynamics), Damage, Flow (Dynamics), Leakage, Outflow, Steam turbines

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)

Proceedings Papers

Experimental and Numerical Investigations of the Non-Equilibrium Condensation on the Performance and the Flow Pattern in Steam Turbine

Soichiro Tabata, Kiyoshi Segawa, Tadashi Takahashi, Jin Aoyagi

Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T20A004, June 13–17, 2022

Paper No: GT2022-80191

DOI: https://doi.org/10.1115/GT2022-80191

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Topics: Condensation, Equilibrium (Physics), Flow (Dynamics), Steam turbines, Pressure, Computational fluid dynamics, Modeling, Turbines, Temperature

Proceedings Papers

Numerical Investigation of Potential Flow Induced Vibrations of Steam Turbine Last Stage Rotor at Low Load Operation - Part 2: Rotating Instabilities Detection

Tommaso Diurno, Antonio Andreini, Bruno Facchini, Nicola Maceli, Lorenzo Arcengeli

Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T20A011, June 13–17, 2022

Paper No: GT2022-81921

DOI: https://doi.org/10.1115/GT2022-81921

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Topics: Computational fluid dynamics, Exhaust systems, Flow (Dynamics), Rotors, Steam turbines, Stress, Vibration

Proceedings Papers

Experimental and Numerical Assessment of Liquid Film Thickness Under High-Speed Gas Flow

Takayuki Okui, Shunsuke Mizumi, Soichiro Tabata, Yuki Mizushima, Toshiyuki Sanada

Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T20A010, June 13–17, 2022

Paper No: GT2022-81891

DOI: https://doi.org/10.1115/GT2022-81891

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Topics: Computational fluid dynamics, Fibers, Flow (Dynamics), Gas flow, Liquid films, Probes, Two-phase flow

Proceedings Papers

CFD Analysis of the Forces on a Steam Turbine Balance Seal Packing Ring

Cosimo Bianchini, Riccardo Da Soghe, Davide Bertini, Lorenzo Mazzei, Lorenzo Arcangeli, Lorenzo Cosi

Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T20A014, June 13–17, 2022

Paper No: GT2022-82896

DOI: https://doi.org/10.1115/GT2022-82896

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Topics: Computational fluid dynamics, Packings (Cushioning), Steam turbines

Proceedings Papers

Development of a Dynamic Turbine Expansion Model Using a Paired Thermofluid and FEA Methodology

Michael Ross, Wim Fuls

Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T20A001, June 13–17, 2022

Paper No: GT2022-78258

DOI: https://doi.org/10.1115/GT2022-78258

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Topics: Finite element analysis, Modeling, Steam turbines, Thermofluids, Turbines, Temperature, Clearances (Engineering), Coal, Nozzles, Power stations

Proceedings Papers

History of Steam Expansion Machines Seen as Polytropic Efficiency Achievements

Hans E. Wettstein

Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T20A003, June 13–17, 2022

Paper No: GT2022-79398

DOI: https://doi.org/10.1115/GT2022-79398

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Topics: Machinery, Steam, Steam turbines

Proceedings Papers

Pressure Losses Analysis in Two High-Pressure Steam Turbine Control Valves Situated in One Valve Chamber

Vaclav Slama, Bartolomej Rudas, David Simurda, Jindrich Hala, Martin Luxa

Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T20A002, June 13–17, 2022

Paper No: GT2022-78969

DOI: https://doi.org/10.1115/GT2022-78969

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Topics: High pressure (Physics), Pressure, Steam turbines, Valves, Flow (Dynamics), Stress, Computer simulation, Computer software, Design, Energy conversion

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

Analysis of Turbulent Effects in a Low-Pressure Model Steam Turbine Operating Under Various Operating Conditions Using Detached Eddy Simulation

Ilgit Ercan, Damian M. Vogt

Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T20A006, June 13–17, 2022

Paper No: GT2022-80523

DOI: https://doi.org/10.1115/GT2022-80523

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Topics: Eddies (Fluid dynamics), Pressure, Simulation, Steam turbines, Turbulence, Flow (Dynamics), Unsteady flow, Annulus, Arches, Blades

Proceedings Papers

Development of a Design Approach for the Optimization of Steam Turbine Exhaust System Performance Through CFD Modelling

Tommaso Diurno, Stella Grazia Tomasello, Tommaso Fondelli, Antonio Andreini, Bruno Facchini, Leonardo Nettis, Lorenzo Arcangeli

Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T22A013, June 7–11, 2021

Paper No: GT2021-59268

DOI: https://doi.org/10.1115/GT2021-59268

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Topics: Computational fluid dynamics, Design, Exhaust systems, Modeling, Optimization, Steam turbines, Geometry, Diffusers, Engineering simulation, Flow (Dynamics)

Proceedings Papers

Steam Turbine Overspeed Scenarios: Comparison Between API Energy Method and Dynamic Simulation

Fabrizio Piras, Federico Bucciarelli, Damaso Checcacci, Filippo Ingrasciotta

Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T22A012, June 7–11, 2021

Paper No: GT2021-59257

DOI: https://doi.org/10.1115/GT2021-59257

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Topics: American Petroleum Institute, Simulation, Steam turbines, Design, Stress, Inertia (Mechanics), Rotors, Turbomachinery, Blades, Dynamic models

Proceedings Papers

Assessment of Rotor Stability for Steam Turbine Considering Labyrinth Seal Characteristics of Fluid Destabilization Force and Vibrational Frequency Effect of Bearing Coefficients

Ryokichi Hombo, Kenichi Murata, Yuichiro Waki, Nobuhiro Nagata, Makoto Iwasaki, Kazuyuki Matsumoto

Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T22A002, June 7–11, 2021

Paper No: GT2021-01893

DOI: https://doi.org/10.1115/GT2021-01893

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Topics: Bearings, Fluids, Rotors, Stability, Steam turbines

Proceedings Papers

Detached Eddy Simulation of Rotating Instabilities in a Low-Pressure Model Steam Turbine Operating Under Low Volume Flow Conditions

Ilgit Ercan, Damian M. Vogt

Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T22A006, June 7–11, 2021

Paper No: GT2021-58704

DOI: https://doi.org/10.1115/GT2021-58704

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Topics: Eddies (Fluid dynamics), Flow (Dynamics), Pressure, Simulation, Steam turbines, Computational fluid dynamics, Diffusers, Physics, Stress, Annulus

Proceedings Papers

Fast Reconstruction Method of the Stress Field for the Steam Turbine Rotor Based on Deep Fully Convolutional Network

Ding Guo, Tianyuan Liu, Di Zhang, Yonghui Xie

Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T22A020, June 7–11, 2021

Paper No: GT2021-60355

DOI: https://doi.org/10.1115/GT2021-60355

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Topics: Rotors, Steam turbines, Stress

Proceedings Papers

A Novel Test Rig Using Air for Investigation of Vibration and Interaction of Two Steam Turbine Control Valves

Stefan Wallat, Stefan Preibisch, Matthias Strauch, Dieter Brillert

Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T22A004, June 7–11, 2021

Paper No: GT2021-58509

DOI: https://doi.org/10.1115/GT2021-58509

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Topics: Steam turbines, Valves, Vibration, Design, Fluctuations (Physics), Pressure, Steam, Oscillations, Stress, Turbines

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NARROW

Numerical Investigation of Potential Flow Induced Vibrations of Steam Turbine Last Stage Rotor at Low Load Operation – Part 1: Sensitivity to Flutter Occurrence

Thermal Bowing of Steam Turbine Shafts: Prediction Methods and Field Data Matching

Numerical Modeling of Water Droplets in Compressible Two-Phase Flows Based on Eulerian-Eulerian Method

Flow Through a Steam Turbine Cascade With a Single Damaged Blade: Effect of Blade Height on Loss and Outflow Angle Distribution

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

Experimental and Numerical Investigations of the Non-Equilibrium Condensation on the Performance and the Flow Pattern in Steam Turbine

Numerical Investigation of Potential Flow Induced Vibrations of Steam Turbine Last Stage Rotor at Low Load Operation - Part 2: Rotating Instabilities Detection

Experimental and Numerical Assessment of Liquid Film Thickness Under High-Speed Gas Flow

CFD Analysis of the Forces on a Steam Turbine Balance Seal Packing Ring

Development of a Dynamic Turbine Expansion Model Using a Paired Thermofluid and FEA Methodology

History of Steam Expansion Machines Seen as Polytropic Efficiency Achievements

Pressure Losses Analysis in Two High-Pressure Steam Turbine Control Valves Situated in One Valve Chamber

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

Analysis of Turbulent Effects in a Low-Pressure Model Steam Turbine Operating Under Various Operating Conditions Using Detached Eddy Simulation

Development of a Design Approach for the Optimization of Steam Turbine Exhaust System Performance Through CFD Modelling

Steam Turbine Overspeed Scenarios: Comparison Between API Energy Method and Dynamic Simulation

Assessment of Rotor Stability for Steam Turbine Considering Labyrinth Seal Characteristics of Fluid Destabilization Force and Vibrational Frequency Effect of Bearing Coefficients

Detached Eddy Simulation of Rotating Instabilities in a Low-Pressure Model Steam Turbine Operating Under Low Volume Flow Conditions

Fast Reconstruction Method of the Stress Field for the Steam Turbine Rotor Based on Deep Fully Convolutional Network

A Novel Test Rig Using Air for Investigation of Vibration and Interaction of Two Steam Turbine Control Valves

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