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Ronald Mailach
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Proceedings Papers

Criteria for the Occurrence of Tip Leakage Flow Induced Rotating Instability

Xiangyi Chen, Martin Lange, Björn Koppe, Christoph Jasmund, Wuli Chu, Ronald Mailach
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT36A014, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126921
https://doi.org/10.1115/GT2024-126921
View Paper titled, Criteria for the Occurrence of Tip Leakage Flow Induced Rotating Instability
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Topics: Compressors, Leakage flows
Proceedings Papers

Robust Design Optimization of a Compressor Rotor Using Recursive Cokriging Based Multi-Fidelity Uncertainty Quantification and Multi-Fidelity Optimization

Marcus Wiegand, Andriy Prots, Marcus Meyer, Robin Schmidt, Matthias Voigt, Ronald Mailach
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT34A006, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121977
https://doi.org/10.1115/GT2024-121977
View Paper titled, Robust Design Optimization of a Compressor Rotor Using Recursive Cokriging Based Multi-Fidelity Uncertainty Quantification and Multi-Fidelity Optimization
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Topics: Compressors, Design, Optimization, Rotors, Uncertainty quantification, Robustness, Uncertainty, Blades, Engines, Geometry
Proceedings Papers

Development of a Modular Engine Performance Calculation Tool for Prediction of Conventional and Hybrid-Electric Aircraft Engines

Marcus Wiegand, Lukas Schuchard, Tony Krüger, Ronald Mailach
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A036, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125821
https://doi.org/10.1115/GT2024-125821
View Paper titled, Development of a Modular Engine Performance Calculation Tool for Prediction of Conventional and Hybrid-Electric Aircraft Engines
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Topics: Aircraft engines, Engines, Design, Emissions, Flight, Aviation, Climate, Turbofans, Batteries, Boundary-value problems
Proceedings Papers

Analysis of Irreversible Thermochromic Paints for High Temperature Applications Using Specular Reflectance and Roughness Measurement

Robert Kossakowski, Stefan Gier, Benjamin Endrulat, Matthias Voigt, Ronald Mailach
Proc. ASME. GT2024, Volume 4: Controls, Diagnostics, and Instrumentation, V004T05A004, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121206
https://doi.org/10.1115/GT2024-121206
View Paper titled, Analysis of Irreversible Thermochromic Paints for High Temperature Applications Using Specular Reflectance and Roughness Measurement
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Topics: High temperature, Paints, Reflectance, Surface roughness, Temperature
Proceedings Papers

Possibilities of Applying Machine Learning Techniques for Probabilistic Analysis in a Turbine Blade-Disk Interface

Elmira Emmrich, Md Tarekul Islam, Matthias Voigt, Lukas Bruder, Julian von Lautz, Ronald Mailach
Proc. ASME. GT2024, Volume 10B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V10BT25A002, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122477
https://doi.org/10.1115/GT2024-122477
View Paper titled, Possibilities of Applying Machine Learning Techniques for Probabilistic Analysis in a Turbine Blade-Disk Interface
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Topics: Blades, Disks, Machine learning, Metamodeling, Turbines, Deep neural networks, Design, Finite element model, Failure, Finite element analysis
Proceedings Papers

Probabilistic Analysis of Leading Edge Erosion Behavior of a High-Pressure Compressor in a Turbofan Engine

Andreas Türke, Lukas Schlüter, Matthias Voigt, Robin Schmidt, Andreas Vogel, Ronald Mailach
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT34A007, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122239
https://doi.org/10.1115/GT2024-122239
View Paper titled, Probabilistic Analysis of Leading Edge Erosion Behavior of a High-Pressure Compressor in a Turbofan Engine
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Topics: Compressors, Engines, Erosion, High pressure (Physics), Turbofans, Blades, Geometry, Particulate matter, Dust, Wear
Journal Articles

ROUGHNESS INVESTIGATIONS ON IN-SERVICE HIGH-PRESSURE COMPRESSOR BLADES – PART II: ROUGHNESS PARAMETERIZATION AND CFD-BASED MODELLING OF ITS IMPACT ON TURBULENT FLOWS

Accepted Manuscript
Ilias Vasilopoulos, Paolo Adami, Matthias Voigt, Marcus Meyer, Ronald Mailach
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-23-1224
https://doi.org/10.1115/1.4065681
Published Online: June 6, 2024
View Article titled, ROUGHNESS INVESTIGATIONS ON IN-SERVICE HIGH-PRESSURE COMPRESSOR BLADES – PART II: ROUGHNESS PARAMETERIZATION AND CFD-BASED MODELLING OF ITS IMPACT ON TURBULENT FLOWS
Open the PDF for ROUGHNESS INVESTIGATIONS ON IN-SERVICE HIGH-PRESSURE COMPRESSOR BLADES – PART II: ROUGHNESS PARAMETERIZATION AND CFD-BASED MODELLING OF ITS IMPACT ON TURBULENT FLOWS in another window
Topics: Blades, Compressors, Computational fluid dynamics, High pressure (Physics), Modeling, Parametrization, Surface roughness, Turbochargers, Turbulence
Journal Articles

A Study on Quantities Driving Maintenance, Repair, and Overhaul for Hybrid-Electric Aeroengines

Lukas Schuchard, Maximilian Bień, Karl Ziaja, Norman Blanken, Jan Göing, Jens Friedrichs, Francesca di Mare, Bernd Ponick, Ronald Mailach
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2024, 146(2): 021013.
Paper No: GTP-23-1340
https://doi.org/10.1115/1.4063580
Published Online: November 2, 2023
View Article titled, A Study on Quantities Driving Maintenance, Repair, and Overhaul for Hybrid-Electric Aeroengines
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Topics: Aircraft, Engines, Flight, Gas turbines, Maintenance, Temperature, Thrust, Machinery, Aircraft propulsion, Turbines
Proceedings Papers

Thermodynamic Optimization of the Cooling System of a High-Pressure-Turbine Blade

Barbara Fiedler, Yannick Muller, Matthias Voigt, Ronald Mailach
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT34A020, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103632
https://doi.org/10.1115/GT2023-103632
View Paper titled, Thermodynamic Optimization of the Cooling System of a High-Pressure-Turbine Blade
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Topics: Blades, Cooling, Cooling systems, Optimization, Pressure, Sensitivity analysis, Turbines
Proceedings Papers

A Study on Quantities Driving Maintenance, Repair, and Overhaul for Hybrid-Electric Aeroengines

Lukas Schuchard, Maximilian Bień, Karl Ziaja, Norman Blanken, Jan Göing, Jens Friedrichs, Francesca di Mare, Bernd Ponick, Ronald Mailach
Proc. ASME. GT2023, Volume 1: Aircraft Engine, V001T01A009, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100915
https://doi.org/10.1115/GT2023-100915
View Paper titled, A Study on Quantities Driving Maintenance, Repair, and Overhaul for Hybrid-Electric Aeroengines
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Topics: Aircraft propulsion, Maintenance
Proceedings Papers

Surrogate-Based Robust Optimization of a Blade-Disk Interface

Elmira Emmrich, Matthias Voigt, Julia Maria Hörmann, Lukas Bruder, Ronald Mailach
Proc. ASME. GT2023, Volume 11B: Structures and Dynamics — Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V11BT25A003, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101522
https://doi.org/10.1115/GT2023-101522
View Paper titled, Surrogate-Based Robust Optimization of a Blade-Disk Interface
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Topics: Blades, Disks, Optimization, Design, Stress, Computer simulation, Robustness, Engines, Geometry, Jet engines
Proceedings Papers

A Machine Learning Approach for Probabilistic Evaluation of Finite Element Analysis

Florian Diermeier, Matthias Voigt, Ronald Mailach, Marcus Meyer
Proc. ASME. GT2023, Volume 11B: Structures and Dynamics — Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V11BT25A001, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100532
https://doi.org/10.1115/GT2023-100532
View Paper titled, A Machine Learning Approach for Probabilistic Evaluation of Finite Element Analysis
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Topics: Finite element analysis, Machine learning, Turbine blades, Approximation, Artificial neural networks, Electromagnetic scattering, Manufacturing, Polynomials, Sensitivity analysis, Shapes
Proceedings Papers

Effect of Incoming Wakes on the Passage Flow of an Axial Compressor Rotor

Björn Koppe, Martin Lange, Ronald Mailach
Proc. ASME. GT2023, Volume 13A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V13AT29A023, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102268
https://doi.org/10.1115/GT2023-102268
View Paper titled, Effect of Incoming Wakes on the Passage Flow of an Axial Compressor Rotor
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Topics: Compressors, Flow (Dynamics), Leakage, Rotors, Stators, Vortices, Wakes
Proceedings Papers

Roughness Investigations on In-Service High-Pressure Compressor Blades – Part II: Roughness Parameterization and CFD-Based Modelling of its Impact on Turbulent Flows

Ilias Vasilopoulos, Paolo Adami, Matthias Voigt, Marcus Meyer, Ronald Mailach
Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT32A008, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101157
https://doi.org/10.1115/GT2023-101157
View Paper titled, Roughness Investigations on In-Service High-Pressure Compressor Blades – Part II: Roughness Parameterization and CFD-Based Modelling of its Impact on Turbulent Flows
Open the PDF for Roughness Investigations on In-Service High-Pressure Compressor Blades – Part II: Roughness Parameterization and CFD-Based Modelling of its Impact on Turbulent Flows in another window
Topics: Blades, Channel flow, Compressors, Computational fluid dynamics, High pressure (Physics), Modeling, Parametrization, Surface roughness, Turbulence
Proceedings Papers

Roughness Investigations on In-Service High-Pressure Compressor Blades – Part I: An Automated Process for High-Fidelity Roughness Measurements

Ilias Vasilopoulos, Mirco Rostamian, Matthias Voigt, Marcus Meyer, Ronald Mailach
Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT32A003, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100809
https://doi.org/10.1115/GT2023-100809
View Paper titled, Roughness Investigations on In-Service High-Pressure Compressor Blades – Part I: An Automated Process for High-Fidelity Roughness Measurements
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Topics: Blades, Compressors, High pressure (Physics), Surface roughness
Proceedings Papers

Probabilistic CFD Analysis of a High-Pressure Compressor Under Consideration of Manufacturing and In-Service Variability

Lukas Schlüter, Matthias Voigt, Robin Schmidt, Bernd Becker, Ronald Mailach
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT34A001, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100528
https://doi.org/10.1115/GT2023-100528
View Paper titled, Probabilistic CFD Analysis of a High-Pressure Compressor Under Consideration of Manufacturing and In-Service Variability
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Topics: Compressors, Computational fluid dynamics, High pressure (Physics), Manufacturing, Shapes, Airfoils, Rotors, Accounting, Blades, Boundary layers
Proceedings Papers

Sensitivity Analysis of Performance Parameters of a Compressor Blade With Correlated Profile Parameters

Andriy Prots, Lukas Schlüter, Matthias Voigt, Marcus Meyer, Ronald Mailach
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT34A014, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102442
https://doi.org/10.1115/GT2023-102442
View Paper titled, Sensitivity Analysis of Performance Parameters of a Compressor Blade With Correlated Profile Parameters
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Topics: Blades, Compressors, Sensitivity analysis, Engineering systems and industry applications, Manufacturing, Wear
Journal Articles

Influence of Casing Groove on Rotating Instabilities in a Low-Speed Axial Compressor

Xiangyi Chen, Björn Koppe, Martin Lange, Wuli Chu, Ronald Mailach
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2023, 145(7): 071015.
Paper No: TURBO-22-1238
https://doi.org/10.1115/1.4056863
Published Online: March 2, 2023
View Article titled, Influence of Casing Groove on Rotating Instabilities in a Low-Speed Axial Compressor
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Topics: Blades, Compressors, Flow (Dynamics), Pressure, Rotors
Journal Articles

A Methodology for a Coupled Structural–Computational Fluid Dynamics Analysis of Compressor Rotor Blades Subjected to Ice Impact With Uncertain Impactor Parameters

Holger Böhm, Lars Högner, Marcus Meyer, Ronald Mailach, Andreas Hornig, Maik Gude
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2023, 145(3): 031001.
Paper No: GTP-22-1415
https://doi.org/10.1115/1.4055687
Published Online: December 5, 2022
View Article titled, A Methodology for a Coupled Structural–Computational Fluid Dynamics Analysis of Compressor Rotor Blades Subjected to Ice Impact With Uncertain Impactor Parameters
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Topics: Blades, Compressors, Computational fluid dynamics, Deformation, Ice, Rotors, Simulation, Density, Fluids
Proceedings Papers

Influence of Casing Groove on Rotating Instabilities in a Low-Speed Axial Compressor

Xiangyi Chen, Björn Koppe, Martin Lange, Wuli Chu, Ronald Mailach
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A014, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82101
https://doi.org/10.1115/GT2022-82101
View Paper titled, Influence of Casing Groove on Rotating Instabilities in a Low-Speed Axial Compressor
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Topics: Compressors, Flow (Dynamics)