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Proceedings Papers

Experimental Damping Behavior of Strongly Coupled Structure and Acoustic Modes of a Rotating Disk With Side Cavities

Botond Barabas, Friedrich-Karl Benra, Nico Petry, Dieter Brillert

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT23A004, June 7–11, 2021

Paper No: GT2021-58782

DOI: https://doi.org/10.1115/GT2021-58782

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Topics: Acoustics, Cavities, Damping, Fluid structure interaction, Rotating disks

Proceedings Papers

Model Validation of an Euler-Based 2D-Throughflow Approach for Multistage Axial Turbine Analysis

Sebastian Föllner, Volker Amedick, Bernhard Bonhoff, Dieter Brillert, Friedrich-Karl Benra

Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A055, September 21–25, 2020

Paper No: GT2020-16229

DOI: https://doi.org/10.1115/GT2020-16229

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Topics: Flow (Dynamics), Model validation, Nozzles, Turbines, Blades, Simulation, Computation, Fluids, Flux (Metallurgy), Shock (Mechanics)

Journal Articles

Turbomachine Design for Supercritical Carbon Dioxide Within the sCO2-HeRo.eu Project

Alexander Hacks, Sebastian Schuster, Hans Josef Dohmen, Friedrich-Karl Benra, Dieter Brillert

J. Eng. Gas Turbines Power. December 2018, 140(12): 121017.

Paper No: GTP-18-1295

DOI: https://doi.org/10.1115/1.4040861

Published Online: November 29, 2018

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Topics: Compressors, Design, Turbomachinery, Supercritical carbon dioxide, Generators, Impellers

Journal Articles

Condensation in Radial Turbines—Part I: Mathematical Modeling

Sebastian Schuster, Dieter Brillert, Friedrich-Karl Benra

J. Turbomach. October 2018, 140(10): 101001.

Paper No: TURBO-17-1032

DOI: https://doi.org/10.1115/1.4040934

Published Online: September 28, 2018

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Topics: Drops, Flow (Dynamics), Turbines, Liquid films, Condensation

Journal Articles

Condensation in Radial Turbines—Part II: Application of the Mathematical Model to a Radial Turbine Series

Sebastian Schuster, Dieter Brillert, Friedrich-Karl Benra

J. Turbomach. October 2018, 140(10): 101002.

Paper No: TURBO-17-1033

DOI: https://doi.org/10.1115/1.4040935

Published Online: September 28, 2018

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Topics: Condensation, Drops, Impellers, Subcooling, Turbines, Flow (Dynamics), Liquid films, Pressure, Blades

Proceedings Papers

Thermodynamic Modelling Aspects of Wet Compression in Radial Compressors

Sebastian Schuster, Dieter Brillert, Viktor Hermes, Attilla Yildiz, Friedrich-Karl Benra

Proc. ASME. GT2018, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T27A024, June 11–15, 2018

Paper No: GT2018-76429

DOI: https://doi.org/10.1115/GT2018-76429

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Topics: Compression, Compressors, Modeling, Evaporative cooling, Impellers, Entropy, Cooling, Design, Gases, Heat

Proceedings Papers

Turbomachine Design for Supercritical Carbon Dioxide Within the sCO 2 -HeRo.EU Project

Alexander Hacks, Sebastian Schuster, Hans Josef Dohmen, Friedrich-Karl Benra, Dieter Brillert

Proc. ASME. GT2018, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A003, June 11–15, 2018

Paper No: GT2018-75154

DOI: https://doi.org/10.1115/GT2018-75154

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Topics: Design, Supercritical carbon dioxide, Turbomachinery, Compressors, Impellers, Bearings, Brayton cycle, Compressor impellers, Cooling, Cycles

Proceedings Papers

Coupled Thermal-Structural-Fluid Numerical Analysis of Gas Lubricated Mechanical Seals

Jingjing Luo, Hans Josef Dohmen, Friedrich-Karl Benra

Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A014, June 11–15, 2018

Paper No: GT2018-75458

DOI: https://doi.org/10.1115/GT2018-75458

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Topics: Fluids, Numerical analysis, Pressure, Sealing (Process), Design, Deflection, Deformation, Film thickness, Flow (Dynamics), Gas compressors

Proceedings Papers

Damping Behavior of Acoustic Dominant Modes in an Aeroacoustic Test Rig Representing a Simplified Geometry of a High Pressure Radial Compressor

Botond Barabas, Dieter Brillert, Hans Josef Dohmen, Friedrich-Karl Benra

Proc. ASME. GT2018, Volume 7C: Structures and Dynamics, V07CT36A018, June 11–15, 2018

Paper No: GT2018-76629

DOI: https://doi.org/10.1115/GT2018-76629

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Topics: Acoustics, Compressors, Damping, Geometry, High pressure (Physics), Pressure, Design, Excitation, Fluid pressure, Fluids

Proceedings Papers

Investigation on the Influence of Surface Roughness on the Moment Coefficient in a Rotor-Stator Cavity With Centripetal Through-Flow

Bo Hu, Dieter Brillert, Hans Josef Dohmen, Friedrich-Karl Benra

Proc. ASME. FEDSM2017, Volume 1A, Symposia: Keynotes; Advances in Numerical Modeling for Turbomachinery Flow Optimization; Fluid Machinery; Industrial and Environmental Applications of Fluid Mechanics; Pumping Machinery, V01AT03A001, July 30–August 3, 2017

Paper No: FEDSM2017-69018

DOI: https://doi.org/10.1115/FEDSM2017-69018

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Topics: Cavities, Flow (Dynamics), Rotors, Stators, Surface roughness, Impellers, Pumps, Turbines, Design, Leakage flows

Proceedings Papers

PDA Measurements in Spray Generated by Twin-Jet-Nozzles

Inez von Deschwanden, Friedrich-Karl Benra, Hans Josef Dohmen, Dieter Brillert

Proc. ASME. FEDSM2017, Volume 1B, Symposia: Fluid Measurement and Instrumentation; Fluid Dynamics of Wind Energy; Renewable and Sustainable Energy Conversion; Energy and Process Engineering; Microfluidics and Nanofluidics; Development and Applications in Computational Fluid Dynamics; DNS/LES and Hybrid RANS/LES Methods, V01BT06A001, July 30–August 3, 2017

Paper No: FEDSM2017-69003

DOI: https://doi.org/10.1115/FEDSM2017-69003

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Topics: Nozzles, Sprays, Drops, Lasers, Signals, Collisions (Physics), Data acquisition, Jets, Measurement systems, Optical measurement

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

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

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

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

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

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Topics: Flow (Dynamics), Valves, Pressure, Vibration, Computational fluid dynamics

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

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Topics: Flow (Dynamics), Fluid structure interaction, Steam turbines, Valves, Vibration, Engineering simulation, Feedback, Fluctuations (Physics), Fluid dynamics, Pressure

Proceedings Papers

Comparison of Different Numerical Approaches for Determination of Compressible Fluid Flow in Narrow Gaps

Alexander Kefalas, Friedrich-Karl Benra, Dieter Brillert, Hans Josef Dohmen

Proc. ASME. GT2016, Volume 2C: Turbomachinery, V02CT39A051, June 13–17, 2016

Paper No: GT2016-57898

DOI: https://doi.org/10.1115/GT2016-57898

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Topics: Bearings, Compressible flow, Computational fluid dynamics, Computer software, Design, Engineering simulation, Flow (Dynamics), Fluid dynamics, Fluid films, Fluid mechanics

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

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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

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

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Topics: Flow (Dynamics), Pressure, Valves, Diffusers, Acoustics, Fluctuations (Physics)

Proceedings Papers

Analyze of the Size of Secondary Droplets due to Film Separation at the Blade Trailing Edge

Hans Josef Dohmen, Friedrich-Karl Benra, Cornelius Schepers, Sebastian Schuster

Proc. ASME. FEDSM2014, Volume 1B, Symposia: Fluid Machinery; Fluid-Structure Interaction and Flow-Induced Noise in Industrial Applications; Flow Applications in Aerospace; Flow Manipulation and Active Control: Theory, Experiments and Implementation; Multiscale Methods for Multiphase Flow; Noninvasive Measurements in Single and Multiphase Flows, V01BT10A006, August 3–7, 2014

Paper No: FEDSM2014-21128

DOI: https://doi.org/10.1115/FEDSM2014-21128

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Topics: Blades, Drops, Separation (Technology), Fluids, Lubrication theory, Compressors, Computational fluid dynamics, Film flow, Flow (Dynamics), Inlet guide vanes

Proceedings Papers

Numerical Analysis of Compressible Fluid Flow in Narrow Gaps

Alexander Kefalas, Friedrich-Karl Benra, Hans Josef Dohmen

Paper No: FEDSM2014-22002

DOI: https://doi.org/10.1115/FEDSM2014-22002

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Topics: Compressible flow, Computer simulation, Computer software, Design, Flow (Dynamics), Fluid dynamics, Fluid films, Fluid mechanics, Fluids, Numerical analysis

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

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Topics: Flow (Dynamics), Steam turbines, Valves, Acoustics, Pressure, Unsteady flow, Computational fluid dynamics, Geometry, Power stations, Reynolds-averaged Navier–Stokes equations

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Journal citation

NARROW

Experimental Damping Behavior of Strongly Coupled Structure and Acoustic Modes of a Rotating Disk With Side Cavities

Model Validation of an Euler-Based 2D-Throughflow Approach for Multistage Axial Turbine Analysis

Turbomachine Design for Supercritical Carbon Dioxide Within the sCO2-HeRo.eu Project

Condensation in Radial Turbines—Part I: Mathematical Modeling

Condensation in Radial Turbines—Part II: Application of the Mathematical Model to a Radial Turbine Series

Thermodynamic Modelling Aspects of Wet Compression in Radial Compressors

Turbomachine Design for Supercritical Carbon Dioxide Within the sCO 2 -HeRo.EU Project

Coupled Thermal-Structural-Fluid Numerical Analysis of Gas Lubricated Mechanical Seals

Damping Behavior of Acoustic Dominant Modes in an Aeroacoustic Test Rig Representing a Simplified Geometry of a High Pressure Radial Compressor

Investigation on the Influence of Surface Roughness on the Moment Coefficient in a Rotor-Stator Cavity With Centripetal Through-Flow

PDA Measurements in Spray Generated by Twin-Jet-Nozzles

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

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

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

Comparison of Different Numerical Approaches for Determination of Compressible Fluid Flow in Narrow Gaps

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

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

Analyze of the Size of Secondary Droplets due to Film Separation at the Blade Trailing Edge

Numerical Analysis of Compressible Fluid Flow in Narrow Gaps

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

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