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Stephan Staudacher
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Journal Articles

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

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Thomas Stein, Markus W. Leitner, Stephan Staudacher
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2025, 147(8): 081015.
Paper No: TURBO-24-1263
https://doi.org/10.1115/1.4067462
Published Online: January 30, 2025
View Articletitled, Effect of Leading Edge Erosion on the Tip Leakage Flow in a Compressor Cascade
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Topics: Blades, Cascades (Fluid dynamics), Compressors, Erosion, Flow (Dynamics), Leakage flows, Particulate matter, Vortices, Water, Geometry
Journal Articles

Modeling Stochastical Particle Rebound Based on High-Velocity Experiments

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Jan Hartmann, Christian Koch, Stephan Staudacher
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2025, 147(4): 041006.
Paper No: TURBO-24-1117
https://doi.org/10.1115/1.4066810
Published Online: October 25, 2024
View Articletitled, Modeling Stochastical Particle Rebound Based on High-Velocity Experiments
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Topics: Particulate matter, Simulation
Journal Articles

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

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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 Articletitled, 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

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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

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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

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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

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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

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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

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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

Digital Service Twin to Assess Engine Deterioration and Remaining Part Life

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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

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

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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

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

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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

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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 Articletitled, 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

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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 Articletitled, 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

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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 Articletitled, 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

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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

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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

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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

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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 Articletitled, 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

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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 Articletitled, 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