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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

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
Journal Articles

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

Accepted Manuscript
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.
Paper No: GTP-24-1404
https://doi.org/10.1115/1.4066251
Published Online: August 19, 2024
View Article titled, Fault Detection on Short-Haul or Highly Dynamic Flights Using Transient Flight Segments
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Topics: Flaw detection, Flight, Transients (Dynamics), Engines, Support vector machines, Convolutional neural networks, Feature extraction, Machine learning, Pressure sensors, Probability
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

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
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

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
Proceedings Papers

Advances in High-Speed Linear Design Technology: Novel Approach to Sidewall Geometry Design for Erosion Tests

Maksim Sokolov, Max Lorenz, Mirco Rostamian, Christian Koch, Matthias Weissschuh, Stephan Staudacher
Proc. ASME. GT2019, Volume 2A: Turbomachinery, V02AT39A015, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90743
https://doi.org/10.1115/GT2019-90743
View Paper titled, Advances in High-Speed Linear Design Technology: Novel Approach to Sidewall Geometry Design for Erosion Tests
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Topics: Design, Erosion, Geometry, Flow (Dynamics), Testing, Cascades (Fluid dynamics), Blades, Sealing (Process), Boundary layers, Compressors
Proceedings Papers

The Assessment of Assemblability and Dissassemblability of Aero Engines During Preliminary Design

Jochen Mall, Stephan Staudacher, Christian Koch
Proc. ASME. GT2018, Volume 1: Aircraft Engine; Fans and Blowers; Marine, V001T01A011, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75615
https://doi.org/10.1115/GT2018-75615
View Paper titled, The Assessment of Assemblability and Dissassemblability of Aero Engines During Preliminary Design
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Topics: Aircraft engines, Design, Manufacturing, Air traffic control, Aircraft, Optimization, Pressure, Product design, Product development, Turbines
Journal Articles

Experimental and Numerical Investigation of the Mechanical and Aerodynamic Particle Size Effect in High-Speed Erosive Flows

Max Hufnagel, Stephan Staudacher, Christian Koch
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2018, 140(10): 102604.
Paper No: GTP-18-1126
https://doi.org/10.1115/1.4039830
Published Online: June 25, 2018
View Article titled, Experimental and Numerical Investigation of the Mechanical and Aerodynamic Particle Size Effect in High-Speed Erosive Flows
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Topics: Particle size, Particulate matter, Erosion, Wear, Particle collisions, Flow (Dynamics), Computational fluid dynamics
Journal Articles

High-Speed Shadowgraphy Measurements of an Erosive Particle-Laden Jet Under High-Pressure Compressor Conditions

Max Hufnagel, Christian Werner-Spatz, 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 2018, 140(1): 012604.
Paper No: GTP-17-1293
https://doi.org/10.1115/1.4037689
Published Online: September 19, 2017
View Article titled, High-Speed Shadowgraphy Measurements of an Erosive Particle-Laden Jet Under High-Pressure Compressor Conditions
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Topics: Particulate matter, Erosion
Proceedings Papers

Predicting the Temporal Progression of Aircraft Engine Compressor Performance Deterioration due to Particle Deposition

Felix Döring, Stephan Staudacher, Christian Koch
Proc. ASME. GT2017, Volume 2D: Turbomachinery, V02DT48A007, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63544
https://doi.org/10.1115/GT2017-63544
View Paper titled, Predicting the Temporal Progression of Aircraft Engine Compressor Performance Deterioration due to Particle Deposition
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Topics: Aircraft engines, Compressors, Particulate matter, Engines, Blades, Maintenance, High pressure (Physics), Wings, Design, Flow (Dynamics)
Journal Articles

Modeling Particle Deposition Effects in Aircraft Engine Compressors

Felix Döring, Stephan Staudacher, Christian Koch, Matthias Weißschuh
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. May 2017, 139(5): 051003.
Paper No: TURBO-16-1139
https://doi.org/10.1115/1.4035072
Published Online: January 24, 2017
View Article titled, Modeling Particle Deposition Effects in Aircraft Engine Compressors
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Topics: Aircraft engines, Blades, Compressors, Particulate matter, Pressure, Modeling, Engines, Flow (Dynamics)
Proceedings Papers

Natural Cooling Affecting the Restart of Micro Gas Turbine

Andrei Tisarev, Sergey Falaleev, Christian Koch, Matthias Nagorski, Stephan Staudacher
Proc. ASME. GT2016, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T23A019, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56982
https://doi.org/10.1115/GT2016-56982
View Paper titled, Natural Cooling Affecting the Restart of Micro Gas Turbine
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Topics: Cooling, Micro gas turbines, Engines, Bearings, Clearances (Engineering), Displacement, Flow (Dynamics), Gas turbines, Gravity (Force), Heat transfer