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Stephan Staudacher
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Journal Articles

Fault Detection on Short-Haul or Highly Dynamic Flights Using Transient Flight Segments

Tihomir Varchev, Jürgen Mathes, Christian Koch, Stephan Staudacher
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2025, 147(1): 011021.
Paper No: GTP-24-1404
https://doi.org/10.1115/1.4066251
Published Online: September 19, 2024
View Article titled, Fault Detection on Short-Haul or Highly Dynamic Flights Using Transient Flight Segments
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Topics: Engines, Flaw detection, Flight, Transients (Dynamics), Wavelets, Sensors, Convolutional neural networks, Support vector machines
Proceedings Papers

Operating Point Driven Improvements on the Eco-Efficiency of the Altitude Test Facility at the University of Stuttgart

Christopher Roth, Stephan Staudacher
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A001, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121078
https://doi.org/10.1115/GT2024-121078
View Paper titled, Operating Point Driven Improvements on the Eco-Efficiency of the Altitude Test Facility at the University of Stuttgart
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Topics: Optimization, Test facilities
Proceedings Papers

Fault Detection on Short-Haul or Highly Dynamic Flights Using Transient Flight Segments

Tihomir Varchev, Jürgen Mathes, Christian Koch, Stephan Staudacher
Proc. ASME. GT2024, Volume 4: Controls, Diagnostics, and Instrumentation, V004T05A014, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124026
https://doi.org/10.1115/GT2024-124026
View Paper titled, Fault Detection on Short-Haul or Highly Dynamic Flights Using Transient Flight Segments
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Topics: Flaw detection, Flight, Machine learning, Transients (Dynamics)
Proceedings Papers

Effect of Leading Edge Erosion on the Tip Leakage Flow in a Compressor Cascade

Thomas Stein, Markus W. Leitner, Stephan Staudacher
Proc. ASME. GT2024, Volume 12B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V12BT31A006, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126569
https://doi.org/10.1115/GT2024-126569
View Paper titled, Effect of Leading Edge Erosion on the Tip Leakage Flow in a Compressor Cascade
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Topics: Cascades (Fluid dynamics), Compressors, Erosion, Leakage flows
Proceedings Papers

Modeling Stochastical Particle Rebound Based on High Velocity Experiments

Jan Hartmann, Christian Koch, Stephan Staudacher
Proc. ASME. GT2024, Volume 12B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V12BT31A003, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124018
https://doi.org/10.1115/GT2024-124018
View Paper titled, Modeling Stochastical Particle Rebound Based on High Velocity Experiments
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Topics: Computer simulation, Modeling, Particulate matter, Simulation
Proceedings Papers

The Effect of an Entirely Eroded Airfoil on the Aerodynamic Performance of a Supersonic Compressor Cascade

Jan Hartmann, Max Lorenz, Markus Klein, Stephan Staudacher
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT31A011, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81752
https://doi.org/10.1115/GT2022-81752
View Paper titled, The Effect of an Entirely Eroded Airfoil on the Aerodynamic Performance of a Supersonic Compressor Cascade
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Topics: Airfoils, Cascades (Fluid dynamics), Compressors, Erosion, Shapes, Particulate matter, Aircraft engines, Computer simulation, Flow (Dynamics), NASA
Proceedings Papers

Mission Severity Assessment Based on 1Hz Engine Data

Stefano Scarso, Stephan Staudacher, Christian Keller, Jürgen Mathes
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT31A007, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80923
https://doi.org/10.1115/GT2022-80923
View Paper titled, Mission Severity Assessment Based on 1Hz Engine Data
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Topics: Engines, Flight, Aircraft, Algorithms, Control systems, Machinery, NASA, Principal component analysis, Robustness
Proceedings Papers

Transient Engine Condition Monitoring of Micro Gas Turbines in a Highly Dynamic Setting

Tihomir Varchev, Matthias Weiss, Stephan Staudacher, Christian Koch
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T05A013, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82377
https://doi.org/10.1115/GT2022-82377
View Paper titled, Transient Engine Condition Monitoring of Micro Gas Turbines in a Highly Dynamic Setting
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Topics: Condition monitoring, Engines, Micro gas turbines, Transients (Dynamics), Flight, Artificial neural networks, Flow (Dynamics), Measurement uncertainty, Noise (Sound), Wavelets
Proceedings Papers

Digital Service Twin to Assess Engine Deterioration and Remaining Part Life

Markus Klein, Stephan Staudacher, Kimon Abu-Taa, Jonas Schwengler
Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T01A020, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82113
https://doi.org/10.1115/GT2022-82113
View Paper titled, Digital Service Twin to Assess Engine Deterioration and Remaining Part Life
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Topics: Engines, Databases, Flight, Cycles, Damage, Jet engines, Performance, Resolution (Optics), Sensitivity analysis, Service life (Equipment)
Proceedings Papers

Data-Driven Analysis of Engine Mission Severity Using Non-Dimensional Groups

Tim Brandes, Stefano Scarso, Christian Koch, Stephan Staudacher
Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT33A002, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58673
https://doi.org/10.1115/GT2021-58673
View Paper titled, Data-Driven Analysis of Engine Mission Severity Using Non-Dimensional Groups
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Topics: Engines, Flight, Machinery, Accuracy and precision, Algorithms, Blades, Compressors, Computation, Databases, Erosion
Journal Articles

Estimation of Aircraft Engine Flight Mission Severity Caused by Erosion

Tim Brandes, Christian Koch, Stephan Staudacher
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2021, 143(11): 111001.
Paper No: TURBO-21-1021
https://doi.org/10.1115/1.4051000
Published Online: June 7, 2021
View Article titled, Estimation of Aircraft Engine Flight Mission Severity Caused by Erosion
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Topics: Blades, Compressors, Engines, Erosion, Flight, Flow (Dynamics), Particulate matter, Separation (Technology), Simulation
Journal Articles

Boundary Conditions for Compressor Cascade Ice Crystal Icing Testing

Matthias Nagorski, Christian Koch, Stephan Staudacher
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2021, 143(10): 101013.
Paper No: TURBO-21-1018
https://doi.org/10.1115/1.4050945
Published Online: May 19, 2021
View Article titled, Boundary Conditions for Compressor Cascade Ice Crystal Icing Testing
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Topics: Cascades (Fluid dynamics), Compressors, Crystals, Ice, Particulate matter, Temperature, Flow (Dynamics), Water, Melting, Blades
Journal Articles

Comparison of Piston Concept Design Solutions for Composite Cycle Engines Part II: Design Considerations

Dimitrios Chatzianagnostou, Stephan Staudacher
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2021, 143(8): 081014.
Paper No: GTP-20-1575
https://doi.org/10.1115/1.4049990
Published Online: March 31, 2021
View Article titled, Comparison of Piston Concept Design Solutions for Composite Cycle Engines Part II: Design Considerations
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Topics: Cylinders, Design, Engines, Piston engines, Pistons, Composite materials, Cycles, Compressors
Proceedings Papers

Numerical Analysis of Particle Deposition in an Aircraft Engine Compressor Cascade

Nicola Casari, Johannes Altmeppen, Christian Koch, Michele Pinelli, Stephan Staudacher, Alessio Suman, Alessandro Vulpio
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT34A004, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14506
https://doi.org/10.1115/GT2020-14506
View Paper titled, Numerical Analysis of Particle Deposition in an Aircraft Engine Compressor Cascade
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Topics: Aircraft engines, Cascades (Fluid dynamics), Compressors, Numerical analysis, Particulate matter, Flow (Dynamics), Adhesion, Computer simulation, Engines, Gas turbines
Proceedings Papers

Boundary Conditions for Compressor Cascade Ice Crystal Icing Testing

Matthias Nagorski, Christian Koch, Stephan Staudacher
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT34A018, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16143
https://doi.org/10.1115/GT2020-16143
View Paper titled, Boundary Conditions for Compressor Cascade Ice Crystal Icing Testing
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Topics: Boundary-value problems, Cascades (Fluid dynamics), Compressors, Crystals, Ice, Testing
Proceedings Papers

Estimation of Aircraft Engine Flight Mission Severity Caused by Erosion

Tim Brandes, Christian Koch, Stephan Staudacher
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT34A020, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16297
https://doi.org/10.1115/GT2020-16297
View Paper titled, Estimation of Aircraft Engine Flight Mission Severity Caused by Erosion
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Topics: Aircraft engines, Erosion, Flight, Compressors, Blades, Engines, Particulate matter, Flow (Dynamics), Separation (Technology), Annulus
Journal Articles

Cycle Optimization Potential of Composite Cycle and Turbocompound Aero-Engines

Felix Klein, Stephan Staudacher
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2020, 142(6): 061007.
Paper No: GTP-19-1746
https://doi.org/10.1115/1.4046820
Published Online: May 28, 2020
View Article titled, Cycle Optimization Potential of Composite Cycle and Turbocompound Aero-Engines
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Topics: Composite materials, Cycles, Engines, Gas turbines, Optimization, Piston engines, Pistons, Pressure, Temperature, Fuels
Journal Articles

Experimental Identification of Steady-State Turbomachinery Heat Transfer Using Nondimensional Groups

Markus Baumann, Christian Koch, Stephan Staudacher
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. June 2020, 142(6): 061806.
Paper No: HT-19-1655
https://doi.org/10.1115/1.4046794
Published Online: May 4, 2020
View Article titled, Experimental Identification of Steady-State Turbomachinery Heat Transfer Using Nondimensional Groups
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Topics: Engines, Flow (Dynamics), Heat, Heat transfer, Steady state, Temperature, Turbomachinery, Pipes, Turbines
Journal Articles

The Effect of Rated Climb Performance on Low Cycle Fatigue of a Civil Turbojet Engine

Jonas König, Matthias Weißschuh, Sven von Ende, Stephan Staudacher
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2020, 142(4): 041021.
Paper No: GTP-19-1406
https://doi.org/10.1115/1.4044992
Published Online: February 14, 2020
View Article titled, The Effect of Rated Climb Performance on Low Cycle Fatigue of a Civil Turbojet Engine
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Topics: Aircraft, Cycles, Damage, Disks, Engines, Flight, Low cycle fatigue, Stress, Temperature, Thrust
Journal Articles

Altitude Test Facility Humidity Control to Generate Defined Icing Conditions

Felix M. Barth, Stephan Staudacher, Constanze Schiewe
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2020, 142(2): 021002.
Paper No: GTP-19-1226
https://doi.org/10.1115/1.4045480
Published Online: January 6, 2020
View Article titled, Altitude Test Facility Humidity Control to Generate Defined Icing Conditions
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Topics: Aerosols, Condensation, Fluids, Nucleation (Physics), Particle size, Particulate matter, Temperature, Test facilities, Water, Ice