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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

Investigation of Pressure Losses and Flow Fluctuations in an Intercept Valve Assembly of an Intermediate-Pressure Turbine Part

Vaclav Slama, Lukas Mrozek, Bartolomej Rudas, David Simurda, Jindrich Hala, Tomas Radnic

Proc. ASME. IMECE2020, Volume 8: Energy, V008T08A026, November 16–19, 2020

Paper No: IMECE2020-23359

DOI: https://doi.org/10.1115/IMECE2020-23359

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Topics: Flow (Dynamics), Fluctuations (Physics), Manufacturing, Pressure, Turbine components, Valves, Design, Computer simulation, Flow separation, Pipelines

Proceedings Papers

Subsonic Stall Flutter of a Linear Turbine Blade Cascade Using Experimental and CFD Analysis

Vaclav Slama, Bartolomej Rudas, Jiri Ira, Ales Macalka, Petr Eret, Volodymyr Tsymbalyuk

Proc. ASME. IMECE2020, Volume 7A: Dynamics, Vibration, and Control, V07AT07A026, November 16–19, 2020

Paper No: IMECE2020-23356

DOI: https://doi.org/10.1115/IMECE2020-23356

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Topics: Cascades (Fluid dynamics), Computational fluid dynamics, Flutter (Aerodynamics), Turbine blades, Blades, Design, Separation (Technology), Stability, Bubbles, Engineering simulation

Journal Articles

Flow Analysis in a Steam Turbine Control Valve With Through-Flow Valve Chamber

Vaclav Slama, Lukas Mrozek, Ladislav Tajc, Marek Klimko, Pavel Zitek

ASME J of Nuclear Rad Sci. April 2021, 7(2): 021401.

Paper No: NERS-20-1141

DOI: https://doi.org/10.1115/1.4049055

Published Online: January 28, 2021

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Topics: Diffusers, Flow (Dynamics), Valves, Pressure

Proceedings Papers

Aeromechanical Characterization of a Last Stage Steam Blade at Low Load Operation: Part 2 — Computational Modelling and Comparison

Lorenzo Pinelli, Federico Vanti, Lorenzo Peruzzi, Andrea Arnone, Andrea Bessone, Claudio Bettini, Roberto Guida, Michela Marré Brunenghi, Vaclav Slama

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A017, September 21–25, 2020

Paper No: GT2020-15409

DOI: https://doi.org/10.1115/GT2020-15409

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Topics: Blades, Modeling, Steam, Stress, Damping, Computational fluid dynamics, Flutter (Aerodynamics), Pressure, Steam turbines, Simulation

Proceedings Papers

Experimental and Numerical Study on Pressure Losses and Flow Fluctuations in a High-Pressure Valve Assembly of Steam Turbine Governing System

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

Proc. ASME. GT2020, Volume 9: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Steam Turbine, V009T23A007, September 21–25, 2020

Paper No: GT2020-14474

DOI: https://doi.org/10.1115/GT2020-14474

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Topics: Flow (Dynamics), Fluctuations (Physics), High pressure (Physics), Manufacturing, Pressure, Steam turbines, Valves, Computer simulation, Turbines, Pipelines

Proceedings Papers

Steam Turbine Axial Exhaust Diffuser Investigation Using a Test Rig and its Numerical Model

Robert Kalista, Lukáš Mrózek, Václav Sláma, Kamil Sedlák

Proc. ASME. IMECE2019, Volume 6: Energy, V006T06A033, November 11–14, 2019

Paper No: IMECE2019-10267

DOI: https://doi.org/10.1115/IMECE2019-10267

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Topics: Computer simulation, Diffusers, Exhaust systems, Steam turbines, Turbines, Condensers (steam plant), Design, Enthalpy, Flow (Dynamics), Flow measurement

Proceedings Papers

Advanced Calculation Flutter Procedure Developed for Ultra-Long Last Stage Blades for Steam Turbines

Vaclav Slama, Bartolomej Rudas, Ales Macalka, Jiri Ira, Antonin Zivny

Proc. ASME. IMECE2019, Volume 4: Dynamics, Vibration, and Control, V004T05A036, November 11–14, 2019

Paper No: IMECE2019-10861

DOI: https://doi.org/10.1115/IMECE2019-10861

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Topics: Blades, Flutter (Aerodynamics), Steam turbines, Damping, Navier-Stokes equations, Pressure, Rotors, Turbine components

Proceedings Papers

Development of Highly Efficient and Robust Ultra-Long Last Stage Blade for High Backpressure

Ondrej Novak, Marek Bobcik, Vaclav Slama, Bartolomej Rudas, Josef Kellner, Petr Mestanek, Jan Hlous, Zdenek Simka, Martin Luxa, David Simurda, Antonin Zivny, Ales Macalka, Jiri Ira

Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A007, June 17–21, 2019

Paper No: GT2019-90350

DOI: https://doi.org/10.1115/GT2019-90350

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Topics: Blades, Airfoils, Design, Flutter (Aerodynamics), Manufacturing, Numerical analysis, Pressure, Rotors, Safety, Shapes

Proceedings Papers

Experimental and CFD Investigation of Aerodynamic Forces and Moments in a Linear Turbine Blade Cascade

Vaclav Slama, Bartolomej Rudas, Jiri Ira, Ales Macalka, Petr Eret, Volodymyr Tsymbalyuk

Proc. ASME. IMECE2018, Volume 4A: Dynamics, Vibration, and Control, V04AT06A041, November 9–15, 2018

Paper No: IMECE2018-86667

DOI: https://doi.org/10.1115/IMECE2018-86667

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Topics: Aerodynamics, Cascades (Fluid dynamics), Computational fluid dynamics, Turbine blades, Blades, Flutter (Aerodynamics), Turbines, Computer software, Degrees of freedom, Engineering simulation

Proceedings Papers

The Validation of Flutter Prediction in a Linear Cascade of Non-Rigid Turbine Blades

Vaclav Slama, Bartolomej Rudas, Jiri Ira, Ales Macalka, Petr Eret, Volodymyr Tsymbalyuk

Proc. ASME. GT2018, Volume 7C: Structures and Dynamics, V07CT36A010, June 11–15, 2018

Paper No: GT2018-75502

DOI: https://doi.org/10.1115/GT2018-75502

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Topics: Cascades (Fluid dynamics), Flutter (Aerodynamics), Turbine blades, Blades, Aerodynamics, Design, Engineering simulation, Fluid-dynamic forces, Simulation, Steam turbines

Journal citation

NARROW

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

Investigation of Pressure Losses and Flow Fluctuations in an Intercept Valve Assembly of an Intermediate-Pressure Turbine Part

Subsonic Stall Flutter of a Linear Turbine Blade Cascade Using Experimental and CFD Analysis

Flow Analysis in a Steam Turbine Control Valve With Through-Flow Valve Chamber

Aeromechanical Characterization of a Last Stage Steam Blade at Low Load Operation: Part 2 — Computational Modelling and Comparison

Experimental and Numerical Study on Pressure Losses and Flow Fluctuations in a High-Pressure Valve Assembly of Steam Turbine Governing System

Steam Turbine Axial Exhaust Diffuser Investigation Using a Test Rig and its Numerical Model

Advanced Calculation Flutter Procedure Developed for Ultra-Long Last Stage Blades for Steam Turbines

Development of Highly Efficient and Robust Ultra-Long Last Stage Blade for High Backpressure

Experimental and CFD Investigation of Aerodynamic Forces and Moments in a Linear Turbine Blade Cascade

The Validation of Flutter Prediction in a Linear Cascade of Non-Rigid Turbine Blades

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