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Journal Articles

Blade Vibration Analysis for Radial Turbine Featuring a Multi-Channel Casing Design

Ahmed Farid Ayad Hassan, Fabian F. Müller, Markus Schatz, Damian M. Vogt
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. August 2023, 145(8): 081003.
Paper No: TURBO-22-1289
DOI: https://doi.org/10.1115/1.4056985
Published Online: April 3, 2023
View Article titled, Blade Vibration Analysis for Radial Turbine Featuring a Multi-Channel Casing Design
Click here to open pdf in another window PDF for Blade Vibration Analysis for Radial Turbine Featuring a Multi-Channel Casing Design
Topics: Blades, Computational fluid dynamics, Turbines, Vibration, Simulation, Design, Rotors, Excitation
Proceedings Papers

Aerodynamic Damping of Last Stage Rotating Blades of Low Pressure Steam Turbine Determined From Vibration Test Data

Philipp Doll, Stefan Winkelmann, Fabian F. Müller, Damian M. Vogt, Jens Aschenbruck
Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT21A013, June 13–17, 2022
Paper No: GT2022-81979
DOI: https://doi.org/10.1115/GT2022-81979
View Paper titled, Aerodynamic Damping of Last Stage Rotating Blades of Low Pressure Steam Turbine Determined From Vibration Test Data
Click here to open pdf in another window PDF for Aerodynamic Damping of Last Stage Rotating Blades of Low Pressure Steam Turbine Determined From Vibration Test Data
Topics: Damping, Pressure, Rotating blades, Steam turbines, Vibration tests, Blades, Flow (Dynamics), Signals, Stress, Turbines
Proceedings Papers

Assessment of Low Engine Order Excitation of a Contaminated Turbocharger Radial Turbine Stage Using a Nozzle Ring Only Computational Model

Michaela R. Beierl, Damian M. Vogt, Magnus Fischer, Tobias R. Müller, Kwok Kai So
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A013, June 13–17, 2022
Paper No: GT2022-82452
DOI: https://doi.org/10.1115/GT2022-82452
View Paper titled, Assessment of Low Engine Order Excitation of a Contaminated Turbocharger Radial Turbine Stage Using a Nozzle Ring Only Computational Model
Click here to open pdf in another window PDF for Assessment of Low Engine Order Excitation of a Contaminated Turbocharger Radial Turbine Stage Using a Nozzle Ring Only Computational Model
Topics: Computer simulation, Engines, Excitation, Nozzles, Turbines, Turbochargers, High cycle fatigue, Blades, Combustion, Contamination
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
View Paper titled, Analysis of Turbulent Effects in a Low-Pressure Model Steam Turbine Operating Under Various Operating Conditions Using Detached Eddy Simulation
Click here to open pdf in another window PDF for Analysis of Turbulent Effects in a Low-Pressure Model Steam Turbine Operating Under Various Operating Conditions Using Detached Eddy Simulation
Topics: Eddies (Fluid dynamics), Pressure, Simulation, Steam turbines, Turbulence, Flow (Dynamics), Unsteady flow, Annulus, Arches, Blades
Journal Articles

Assessment of Low Engine Order Excitation of a Contaminated Turbocharger Radial Turbine Stage Using a Nozzle Ring Only Computational Model

Michaela R. Beierl, Damian M. Vogt, Magnus Fischer, Tobias R. Müller, Kwok Kai So
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. January 2023, 145(1): 011011.
Paper No: TURBO-22-1158
DOI: https://doi.org/10.1115/1.4055499
Published Online: October 7, 2022
View Article titled, Assessment of Low Engine Order Excitation of a Contaminated Turbocharger Radial Turbine Stage Using a Nozzle Ring Only Computational Model
Click here to open pdf in another window PDF for Assessment of Low Engine Order Excitation of a Contaminated Turbocharger Radial Turbine Stage Using a Nozzle Ring Only Computational Model
Topics: Blades, Excitation, Nozzles, Turbines, Engines, Rotors, Computational fluid dynamics, Simulation, Turbochargers, Contamination
Journal Articles

Experimental and Numerical Similitude Study Using a Novel Turbocompressor Test Facility Operating With Helium–Neon Gas Mixtures

Maxime Podeur, Damian M. Vogt
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. August 2022, 144(8): 081015.
Paper No: TURBO-21-1213
DOI: https://doi.org/10.1115/1.4053987
Published Online: March 16, 2022
View Article titled, Experimental and Numerical Similitude Study Using a Novel Turbocompressor Test Facility Operating With Helium–Neon Gas Mixtures
Click here to open pdf in another window PDF for Experimental and Numerical Similitude Study Using a Novel Turbocompressor Test Facility Operating With Helium–Neon Gas Mixtures
Topics: Compressors, Design, Heat transfer, Mach number, Pressure, Reynolds number, Specific heat, Helium, Test facilities, Temperature
Journal Articles

Investigation of the Flow Field and the Pressure Recovery in a Gas Turbine Exhaust Diffuser at Design, Part-Load, and Over-Load Conditions

Maximilian Bauer, Simon Hummel, Markus Schatz, Martin Kegalj, Damian M. Vogt
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. August 2022, 144(8): 081010.
Paper No: TURBO-20-1269
DOI: https://doi.org/10.1115/1.4053836
Published Online: March 4, 2022
View Article titled, Investigation of the Flow Field and the Pressure Recovery in a Gas Turbine Exhaust Diffuser at Design, Part-Load, and Over-Load Conditions
Click here to open pdf in another window PDF for Investigation of the Flow Field and the Pressure Recovery in a Gas Turbine Exhaust Diffuser at Design, Part-Load, and Over-Load Conditions
Topics: Computational fluid dynamics, Design, Diffusers, Flow (Dynamics), Pressure, Stress, Gas turbines, Struts (Engineering), Wakes, Separation (Technology)
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
View Paper titled, Detached Eddy Simulation of Rotating Instabilities in a Low-Pressure Model Steam Turbine Operating Under Low Volume Flow Conditions
Click here to open pdf in another window PDF for Detached Eddy Simulation of Rotating Instabilities in a Low-Pressure Model Steam Turbine Operating Under Low Volume Flow Conditions
Topics: Eddies (Fluid dynamics), Flow (Dynamics), Pressure, Simulation, Steam turbines, Computational fluid dynamics, Diffusers, Physics, Stress, Annulus
Proceedings Papers

Experimental and Numerical Similitude Study Using a Novel Turbocompressor Test Facility Operating With Helium-Neon Gas Mixtures

Maxime Podeur, Damian M. Vogt
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT37A016, June 7–11, 2021
Paper No: GT2021-60204
DOI: https://doi.org/10.1115/GT2021-60204
View Paper titled, Experimental and Numerical Similitude Study Using a Novel Turbocompressor Test Facility Operating With Helium-Neon Gas Mixtures
Click here to open pdf in another window PDF for Experimental and Numerical Similitude Study Using a Novel Turbocompressor Test Facility Operating With Helium-Neon Gas Mixtures
Topics: Helium, Test facilities, Mach number, Reynolds number, Specific heat, Coolants, Engines, Heat transfer, Motors
Journal Articles

Performance and Losses Analysis for Radial Turbine Featuring a Multi-Channel Casing Design

Ahmed Farid Ayad Hassan, Markus Schatz, Damian M. Vogt
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. February 2021, 143(2): 021003.
Paper No: TURBO-20-1231
DOI: https://doi.org/10.1115/1.4049611
Published Online: February 1, 2021
View Article titled, Performance and Losses Analysis for Radial Turbine Featuring a Multi-Channel Casing Design
Click here to open pdf in another window PDF for Performance and Losses Analysis for Radial Turbine Featuring a Multi-Channel Casing Design
Topics: Flow (Dynamics), Turbines, Computational fluid dynamics, Rotors, Turbochargers, Simulation, Design, Exhaust gas recirculation
Proceedings Papers

Design and Optimization of Turbomachinery Components for Parabolic Dish Solar Hybrid Micro Gas Turbine

Maulana Arifin, Markus Schatz, Damian M. Vogt
Proc. ASME. GT2020, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V008T20A019, September 21–25, 2020
Paper No: GT2020-15270
DOI: https://doi.org/10.1115/GT2020-15270
View Paper titled, Design and Optimization of Turbomachinery Components for Parabolic Dish Solar Hybrid Micro Gas Turbine
Click here to open pdf in another window PDF for Design and Optimization of Turbomachinery Components for Parabolic Dish Solar Hybrid Micro Gas Turbine
Topics: Design, Micro gas turbines, Optimization, Solar energy, Turbomachinery, Computational fluid dynamics, Finite element analysis, Blades, Engineering simulation, Simulation
Proceedings Papers

Numerical Investigation of the Effect of Operating Point on the Aerodynamic Excitation in a Radial Turbine Stage

Nikola Kovachev, Damian M. Vogt
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A025, September 21–25, 2020
Paper No: GT2020-16045
DOI: https://doi.org/10.1115/GT2020-16045
View Paper titled, Numerical Investigation of the Effect of Operating Point on the Aerodynamic Excitation in a Radial Turbine Stage
Click here to open pdf in another window PDF for Numerical Investigation of the Effect of Operating Point on the Aerodynamic Excitation in a Radial Turbine Stage
Topics: Excitation, Turbines, Computational fluid dynamics, Mode shapes, Pressure, Blades, Engineering simulation, Interpolation, Modeling, Rotors
Proceedings Papers

Aerodynamic Damping Analysis for Radial Turbine Featuring a Multi-Channel Casing Design

Ahmed Farid Hassan, Tobias Müller, Markus Schatz, Damian M. Vogt
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A004, September 21–25, 2020
Paper No: GT2020-14410
DOI: https://doi.org/10.1115/GT2020-14410
View Paper titled, Aerodynamic Damping Analysis for Radial Turbine Featuring a Multi-Channel Casing Design
Click here to open pdf in another window PDF for Aerodynamic Damping Analysis for Radial Turbine Featuring a Multi-Channel Casing Design
Topics: Damping, Design, Turbines, Flow (Dynamics), Rotors, Computer simulation, Excitation, Fluids, Modeling, Open channels (Hydraulics)
Proceedings Papers

Prediction of the Unsteady Transition Behavior in Low Pressure Turbine Flows Using Time and Frequency Domain Methods

Jan Ph. Heners, Christoph Müller-Schindewolffs, Frederik Blum, Damian M. Vogt
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A007, September 21–25, 2020
Paper No: GT2020-14257
DOI: https://doi.org/10.1115/GT2020-14257
View Paper titled, Prediction of the Unsteady Transition Behavior in Low Pressure Turbine Flows Using Time and Frequency Domain Methods
Click here to open pdf in another window PDF for Prediction of the Unsteady Transition Behavior in Low Pressure Turbine Flows Using Time and Frequency Domain Methods
Topics: Flow (Dynamics), Pressure, Turbines, Simulation, Boundary layers, Stators, Suction, Transients (Dynamics), Separation (Technology), Shapes
Proceedings Papers

Reynolds Number and Roughness Effects on Turbocompressor Performance: Numerical Calculations and Measurement Data Evaluation

Fabian Dietmann, Michael Casey, Damian M. Vogt
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A016, September 21–25, 2020
Paper No: GT2020-14653
DOI: https://doi.org/10.1115/GT2020-14653
View Paper titled, Reynolds Number and Roughness Effects on Turbocompressor Performance: Numerical Calculations and Measurement Data Evaluation
Click here to open pdf in another window PDF for Reynolds Number and Roughness Effects on Turbocompressor Performance: Numerical Calculations and Measurement Data Evaluation
Topics: Reynolds number, Surface roughness, Flow (Dynamics), Compressors, Design, Energy dissipation, Machinery
Proceedings Papers

Investigation of the Flow Field and the Pressure Recovery in a Gas Turbine Exhaust Diffuser at Design, Part-Load and Over-Load Condition

Maximilian Bauer, Simon Hummel, Markus Schatz, Martin Kegalj, Damian M. Vogt
Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT36A009, September 21–25, 2020
Paper No: GT2020-14310
DOI: https://doi.org/10.1115/GT2020-14310
View Paper titled, Investigation of the Flow Field and the Pressure Recovery in a Gas Turbine Exhaust Diffuser at Design, Part-Load and Over-Load Condition
Click here to open pdf in another window PDF for Investigation of the Flow Field and the Pressure Recovery in a Gas Turbine Exhaust Diffuser at Design, Part-Load and Over-Load Condition
Topics: Design, Diffusers, Exhaust systems, Flow (Dynamics), Gas turbines, Pressure, Stress, Computational fluid dynamics, Separation (Technology), Mach number
Proceedings Papers

Performance and Losses Analysis for Radial Turbine Featuring a Multi-Channel Casing Design

Ahmed Farid Hassan, Markus Schatz, Damian M. Vogt
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET39A031, September 21–25, 2020
Paper No: GT2020-16298
DOI: https://doi.org/10.1115/GT2020-16298
View Paper titled, Performance and Losses Analysis for Radial Turbine Featuring a Multi-Channel Casing Design
Click here to open pdf in another window PDF for Performance and Losses Analysis for Radial Turbine Featuring a Multi-Channel Casing Design
Topics: Design, Turbines, Computational fluid dynamics, Flow (Dynamics), Turbochargers, Engineering simulation, Internal flow, Rotors, Simulation, Simulation results
Journal Articles

A New Mistuning Identification Method Based on the Subset of Nominal System Modes Method

Christian U. Waldherr, Patrick Buchwald, Damian M. Vogt
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2020, 142(2): 021016.
Paper No: GTP-19-1474
DOI: https://doi.org/10.1115/1.4045517
Published Online: January 16, 2020
View Article titled, A New Mistuning Identification Method Based on the Subset of Nominal System Modes Method
Click here to open pdf in another window PDF for A New Mistuning Identification Method Based on the Subset of Nominal System Modes Method
Topics: Blades, Compressors, Eigenvalues, Errors, Mode shapes, Noise (Sound), Probability, Resonance, Stiffness, Traveling waves
Journal Articles

Prediction of Low-Engine-Order Excitation Due to a Nonsymmetrical Nozzle Ring in a Radial Turbine by Means of the Nonlinear Harmonic Approach

Nikola Kovachev, Tobias R. Müller, Christian U. Waldherr, Damian M. Vogt
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2019, 141(12): 121004.
Paper No: GTP-19-1502
DOI: https://doi.org/10.1115/1.4045152
Published Online: November 8, 2019
View Article titled, Prediction of Low-Engine-Order Excitation Due to a Nonsymmetrical Nozzle Ring in a Radial Turbine by Means of the Nonlinear Harmonic Approach
Click here to open pdf in another window PDF for Prediction of Low-Engine-Order Excitation Due to a Nonsymmetrical Nozzle Ring in a Radial Turbine by Means of the Nonlinear Harmonic Approach
Topics: Blades, Excitation, Flow (Dynamics), Turbines, Vibration, Pressure, Engines, Nozzles, Symmetry (Physics)
Proceedings Papers

Influence of Tip Shroud Modeling on the Flutter Stability of a Low Pressure Turbine Rotor

Lorenzo Pinelli, Federico Vanti, Andrea Arnone, Benjamin Beßling, Damian M. Vogt
Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT36A012, June 17–21, 2019
Paper No: GT2019-91204
DOI: https://doi.org/10.1115/GT2019-91204
View Paper titled, Influence of Tip Shroud Modeling on the Flutter Stability of a Low Pressure Turbine Rotor
Click here to open pdf in another window PDF for Influence of Tip Shroud Modeling on the Flutter Stability of a Low Pressure Turbine Rotor
Topics: Flutter (Aerodynamics), Modeling, Pressure, Rotors, Stability, Turbines, Blades, Finite element methods, Finite element model, Computational fluid dynamics