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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
View Paper titled, Vortex-Generators Reduce the Dynamic Axial Forces in the Model of a Steam Turbine Control Valve
Click here to open pdf in another window PDF for Vortex-Generators Reduce the Dynamic Axial Forces in the Model of a Steam Turbine Control Valve
Topics: Generators, Steam turbines, Valves, Vortices, Acoustics, Excitation, Cavities, Flow (Dynamics), Diffusers, Pressure
Proceedings Papers

Steam Turbine Exhaust Optimization Based on Gaussian Covariance Networks Using Transient CFD Simulations

Kevin Cremanns, Dirk Roos, Andreas Penkner, Simon Hecker, Christian Musch
Proc. ASME. GT2018, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A007, June 11–15, 2018
Paper No: GT2018-75261
DOI: https://doi.org/10.1115/GT2018-75261
View Paper titled, Steam Turbine Exhaust Optimization Based on Gaussian Covariance Networks Using Transient CFD Simulations
Click here to open pdf in another window PDF for Steam Turbine Exhaust Optimization Based on Gaussian Covariance Networks Using Transient CFD Simulations
Topics: Computational fluid dynamics, Exhaust systems, Optimization, Simulation, Steam turbines, Transients (Dynamics), Geometry, Pareto optimization, Artificial neural networks, Design
Proceedings Papers

A Novel Evaluation Procedure for the Prediction and Assessment of Diffuser Humming in Steam Turbines

Johannes Tusche, Christian Musch
Proc. ASME. GT2018, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A014, June 11–15, 2018
Paper No: GT2018-75499
DOI: https://doi.org/10.1115/GT2018-75499
View Paper titled, A Novel Evaluation Procedure for the Prediction and Assessment of Diffuser Humming in Steam Turbines
Click here to open pdf in another window PDF for A Novel Evaluation Procedure for the Prediction and Assessment of Diffuser Humming in Steam Turbines
Topics: Diffusers, Steam turbines, Pressure, Resonance, Turbines, Blades, Computational methods, Transients (Dynamics), Turbine blades
Proceedings Papers

A Test Rig Concept to Study Fluid Structure Interactions in a Steam Turbine Valve

Stefan Wallat, Clemens B. Domnick, Christian Musch, Dieter Brillert
Proc. ASME. GT2018, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A003, June 11–15, 2018
Paper No: GT2018-75094
DOI: https://doi.org/10.1115/GT2018-75094
View Paper titled, A Test Rig Concept to Study Fluid Structure Interactions in a Steam Turbine Valve
Click here to open pdf in another window PDF for A Test Rig Concept to Study Fluid Structure Interactions in a Steam Turbine Valve
Topics: Fluid structure interaction, Steam turbines, Valves, Flow (Dynamics), Design, Vibration, Computer simulation, Damage, Dimensionless numbers, Energy dissipation
Proceedings Papers

Robust Design Optimization of a Steam Turbine Labyrinth Seal Based on Surrogate Models

Kevin Cremanns, Dirk Roos, Simon Hecker, Andreas Penkner, Christian Musch
Proc. ASME. GT2018, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A008, June 11–15, 2018
Paper No: GT2018-75262
DOI: https://doi.org/10.1115/GT2018-75262
View Paper titled, Robust Design Optimization of a Steam Turbine Labyrinth Seal Based on Surrogate Models
Click here to open pdf in another window PDF for Robust Design Optimization of a Steam Turbine Labyrinth Seal Based on Surrogate Models
Topics: Design, Optimization, Steam turbines, Computational fluid dynamics, Pareto optimization, Robustness, Enthalpy, Flow (Dynamics), Power stations, Temperature
Journal Articles

Clarifying the Physics of Flow Separations in Steam Turbine Inlet Valves at Part Load Operation and Improved Design Considerations

Clemens Bernhard Domnick, Dieter Brillert, Christian Musch, Friedrich-Karl Benra
Journal: Journal of Fluids Engineering
Article Type: Research-Article
J. Fluids Eng. August 2017, 139(8): 081105.
Paper No: FE-16-1748
DOI: https://doi.org/10.1115/1.4036263
Published Online: June 5, 2017
View Article titled, Clarifying the Physics of Flow Separations in Steam Turbine Inlet Valves at Part Load Operation and Improved Design Considerations
Click here to open pdf in another window PDF for Clarifying the Physics of Flow Separations in Steam Turbine Inlet Valves at Part Load Operation and Improved Design Considerations
Topics: Flow (Dynamics), Pressure, Valves, Diffusers, Flow separation
Proceedings Papers

Investigation on Flow Induced Vibrations of a Steam Turbine Inlet Valve Considering Fluid Structure Interaction Effects

Clemens Bernhard Domnick, Friedrich-Karl Benra, Dieter Brillert, Hans Josef Dohmen, Christian Musch
Proc. ASME. GT2016, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T26A010, June 13–17, 2016
Paper No: GT2016-56314
DOI: https://doi.org/10.1115/GT2016-56314
View Paper titled, Investigation on Flow Induced Vibrations of a Steam Turbine Inlet Valve Considering Fluid Structure Interaction Effects
Click here to open pdf in another window PDF for Investigation on Flow Induced Vibrations of a Steam Turbine Inlet Valve Considering Fluid Structure Interaction Effects
Topics: Flow (Dynamics), Fluid structure interaction, Steam turbines, Valves, Vibration, Engineering simulation, Feedback, Fluctuations (Physics), Fluid dynamics, Pressure
Proceedings Papers

Efficient Multi-Objective Optimization of Labyrinth Seal Leakage in Steam Turbines Based on Hybrid Surrogate Models

Kevin Cremanns, Dirk Roos, Simon Hecker, Peter Dumstorff, Henning Almstedt, Christian Musch
Proc. ASME. GT2016, Volume 2C: Turbomachinery, V02CT45A024, June 13–17, 2016
Paper No: GT2016-57457
DOI: https://doi.org/10.1115/GT2016-57457
View Paper titled, Efficient Multi-Objective Optimization of Labyrinth Seal Leakage in Steam Turbines Based on Hybrid Surrogate Models
Click here to open pdf in another window PDF for Efficient Multi-Objective Optimization of Labyrinth Seal Leakage in Steam Turbines Based on Hybrid Surrogate Models
Topics: Leakage, Pareto optimization, Steam turbines, Optimization, Engineering disciplines, Power stations, Stress, Turbine components, Anisotropy, Approximation
Journal Articles

Investigation on Flow-Induced Vibrations of a Steam Turbine Inlet Valve Considering Fluid–Structure Interaction Effects

Clemens Bernhard Domnick, Friedrich-Karl Benra, Dieter Brillert, Hans Josef Dohmen, Christian Musch
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2017, 139(2): 022507.
Paper No: GTP-16-1260
DOI: https://doi.org/10.1115/1.4034352
Published Online: September 20, 2016
View Article titled, Investigation on Flow-Induced Vibrations of a Steam Turbine Inlet Valve Considering Fluid–Structure Interaction Effects
Click here to open pdf in another window PDF for Investigation on Flow-Induced Vibrations of a Steam Turbine Inlet Valve Considering Fluid–Structure Interaction Effects
Topics: Flow (Dynamics), Valves, Pressure, Vibration, Computational fluid dynamics
Proceedings Papers

Numerical Investigation on the Vibration of Steam Turbine Inlet Valves and the Feedback to the Dynamic Flow Field

Clemens Bernhard Domnick, Friedrich-Karl Benra, Dieter Brillert, Hans Josef Dohmen, Christian Musch
Proc. ASME. GT2015, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T26A004, June 15–19, 2015
Paper No: GT2015-42182
DOI: https://doi.org/10.1115/GT2015-42182
View Paper titled, Numerical Investigation on the Vibration of Steam Turbine Inlet Valves and the Feedback to the Dynamic Flow Field
Click here to open pdf in another window PDF for Numerical Investigation on the Vibration of Steam Turbine Inlet Valves and the Feedback to the Dynamic Flow Field
Topics: Feedback, Flow (Dynamics), Steam turbines, Valves, Vibration, Structural dynamics, Computational fluid dynamics, Finite element model, Piston rings, Bushings
Journal Articles

Numerical Investigation on the Time-Variant Flow Field and Dynamic Forces Acting in Steam Turbine Inlet Valves

Clemens Bernhard Domnick, Friedrich-Karl Benra, Dieter Brillert, Hans Josef Dohmen, Christian Musch
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2015, 137(8): 081601.
Paper No: GTP-14-1452
DOI: https://doi.org/10.1115/1.4029309
Published Online: August 1, 2015
View Article titled, Numerical Investigation on the Time-Variant Flow Field and Dynamic Forces Acting in Steam Turbine Inlet Valves
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Topics: Flow (Dynamics), Pressure, Valves, Diffusers, Acoustics, Fluctuations (Physics)
Proceedings Papers

Performance Increase of Steam Turbine Condensers by CFD Analysis

Simon Hecker, Andreas Auge, Tobias Ellsel, Johan Flegler, Christian Musch, Arne Graßmann
Proc. ASME. GT2014, Volume 1B: Marine; Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V01BT27A025, June 16–20, 2014
Paper No: GT2014-25812
DOI: https://doi.org/10.1115/GT2014-25812
View Paper titled, Performance Increase of Steam Turbine Condensers by CFD Analysis
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Topics: Computational fluid dynamics, Condensers (steam plant), Steam turbines, Flow (Dynamics), Power stations, Cooling, Design, Exhaust systems, Heat transfer coefficients, Modeling
Proceedings Papers

A New Emergency Stop and Control Valve Design: Part 2 — Validation of Numerical Model and Transient Flow Physics

Christian Musch, Frank Deister, Gerta Zimmer, Ingo Balkowski, Peter Brüggemann, Wolfgang Haslinger
Proc. ASME. GT2014, Volume 1B: Marine; Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V01BT27A002, June 16–20, 2014
Paper No: GT2014-25117
DOI: https://doi.org/10.1115/GT2014-25117
View Paper titled, A New Emergency Stop and Control Valve Design: Part 2 — Validation of Numerical Model and Transient Flow Physics
Click here to open pdf in another window PDF for A New Emergency Stop and Control Valve Design: Part 2 — Validation of Numerical Model and Transient Flow Physics
Topics: Computer simulation, Design, Emergencies, Physics, Unsteady flow, Valves, Flow (Dynamics), Steam, Transients (Dynamics), Turbines
Proceedings Papers

Numerical Investigation on the Time-Variant Flow Field and Dynamic Forces Acting in Steam Turbine Inlet Valves

Clemens Bernhard Domnick, Friedrich-Karl Benra, Hans Josef Dohmen, Christian Musch
Proc. ASME. GT2014, Volume 1B: Marine; Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V01BT27A019, June 16–20, 2014
Paper No: GT2014-25632
DOI: https://doi.org/10.1115/GT2014-25632
View Paper titled, Numerical Investigation on the Time-Variant Flow Field and Dynamic Forces Acting in Steam Turbine Inlet Valves
Click here to open pdf in another window PDF for Numerical Investigation on the Time-Variant Flow Field and Dynamic Forces Acting in Steam Turbine Inlet Valves
Topics: Flow (Dynamics), Steam turbines, Valves, Acoustics, Pressure, Unsteady flow, Computational fluid dynamics, Geometry, Power stations, Reynolds-averaged Navier–Stokes equations
Journal Articles

Optimization Strategy for a Coupled Design of the Last Stage and the Successive Diffuser in a Low Pressure Steam Turbine

Christian Musch, Heinrich Stüer, Georg Hermle
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. January 2013, 135(1): 011013.
Paper No: TURBO-11-1159
DOI: https://doi.org/10.1115/1.4006335
Published Online: November 6, 2012
View Article titled, Optimization Strategy for a Coupled Design of the Last Stage and the Successive Diffuser in a Low Pressure Steam Turbine
Click here to open pdf in another window PDF for Optimization Strategy for a Coupled Design of the Last Stage and the Successive Diffuser in a Low Pressure Steam Turbine
Topics: Blades, Boundary layers, Design, Diffusers, Flow (Dynamics), Optimization, Pressure, Computational fluid dynamics, Steam turbines, Simulation
Proceedings Papers

Optimization Strategy for a Coupled Design of the Last Stage and the Successive Diffuser in a Low Pressure Steam Turbine

Christian Musch, Heinrich Stu¨er, Georg Hermle
Proc. ASME. GT2011, Volume 7: Turbomachinery, Parts A, B, and C, 2407-2415, June 6–10, 2011
Paper No: GT2011-46180
DOI: https://doi.org/10.1115/GT2011-46180
View Paper titled, Optimization Strategy for a Coupled Design of the Last Stage and the Successive Diffuser in a Low Pressure Steam Turbine
Click here to open pdf in another window PDF for Optimization Strategy for a Coupled Design of the Last Stage and the Successive Diffuser in a Low Pressure Steam Turbine
Topics: Design, Diffusers, Optimization, Pressure, Steam turbines, Flow (Dynamics), Blades, Computational fluid dynamics, Engineering simulation, Simulation