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Journal Articles

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

Ahmed Farid Saad Ayad Hassan, Fabian F. Müller, Markus Schatz, Damian M. Vogt

J. Turbomach.

Paper No: TURBO-22-1289

DOI: https://doi.org/10.1115/1.4056985

Published Online: February 24, 2023

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Topics: Blades, Computational fluid dynamics, Design, Turbines, Turbochargers, Vibration analysis

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

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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

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

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

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Topics: Damping, Pressure, Rotating blades, Steam turbines, Vibration tests, Blades, Flow (Dynamics), Signals, Stress, Turbines

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

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

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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

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

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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

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

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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

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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

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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

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

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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

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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

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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

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Topics: Damping, Design, Turbines, Flow (Dynamics), Rotors, Computer simulation, Excitation, Fluids, Modeling, Open channels (Hydraulics)

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

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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

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Topics: Design, Turbines, Computational fluid dynamics, Flow (Dynamics), Turbochargers, Engineering simulation, Internal flow, Rotors, Simulation, Simulation results

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

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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

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Topics: Reynolds number, Surface roughness, Flow (Dynamics), Compressors, Design, Energy dissipation, Machinery

Journal Articles

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

Christian U. Waldherr, Patrick Buchwald, Damian M. Vogt

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

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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

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

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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

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Topics: Flutter (Aerodynamics), Modeling, Pressure, Rotors, Stability, Turbines, Blades, Finite element methods, Finite element model, Computational fluid dynamics

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Journal citation

NARROW

Manuscript

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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