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Christoph Brandstetter
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Journal Articles

Non-Synchronous Vibration: Characterisation of The Aerodynamic Disturbance and its Dependency on Local Tip Clearance

Accepted Manuscript
Pierre Tharreau, Magnus Hardy-Falch, Sina Stapelfeldt, Christoph Brandstetter
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1662
https://doi.org/10.1115/1.4067215
Published Online: November 22, 2024
View Article titled, Non-Synchronous Vibration: Characterisation of The Aerodynamic Disturbance and its Dependency on Local Tip Clearance
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Topics: Clearances (Engineering), Vibration, Blades, Composite materials, Compressors, Convection, Design, Engineering simulation, Fans, Flow (Dynamics)
Journal Articles

Experiments on Structurally Mistuned UHBR Open-Test-Case Fan ECL5/CATANA

Accepted Manuscript
Christoph Brandstetter, Alexandra Schneider, Anne Lise Fiquet, Benoit Paoletti, Xavier Ottavy
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1707
https://doi.org/10.1115/1.4067221
Published Online: November 22, 2024
View Article titled, Experiments on Structurally Mistuned UHBR Open-Test-Case Fan ECL5/CATANA
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Topics: Acoustics, Aerodynamics, Blades, Clearances (Engineering), Compressors, Convection, Engines, Fans, Flutter (Aerodynamics), Instrumentation
Proceedings Papers

Experiments on Structurally Mistuned UHBR Open-Test-Case Fan ECL5/CATANA

Christoph Brandstetter, Alexandra P. Schneider, Anne-Lise Fiquet, Benoit Paoletti, Xavier Ottavy
Proc. ASME. GT2024, Volume 10A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing, V10AT21A020, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129163
https://doi.org/10.1115/GT2024-129163
View Paper titled, Experiments on Structurally Mistuned UHBR Open-Test-Case Fan ECL5/CATANA
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Topics: Acoustics, Aerodynamics, Architecture, Blades, Carbon composites, Clearances (Engineering), Compressors, Convection, Engines, Fans
Proceedings Papers

Non-Synchronous Vibration: Characterisation of the Aerodynamic Disturbance and its Dependency on Local Tip Clearance

Pierre Tharreau, Magnus Hardy-Falch, Sina Stapelfeldt, Christoph Brandstetter
Proc. ASME. GT2024, Volume 10A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing, V10AT21A021, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129186
https://doi.org/10.1115/GT2024-129186
View Paper titled, Non-Synchronous Vibration: Characterisation of the Aerodynamic Disturbance and its Dependency on Local Tip Clearance
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Topics: Clearances (Engineering), Compressors, Vibration
Journal Articles

UHBR Open-Test Case Fan ECL5/CATANA: Non-Linear Analysis of Non-Synchronous Blade Vibration at Part-Speed Conditions

Anne-Lise Fiquet, Xavier Ottavy, Christoph Brandstetter
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2024, 146(7): 071003.
Paper No: TURBO-23-1197
https://doi.org/10.1115/1.4064841
Published Online: March 18, 2024
View Article titled, UHBR Open-Test Case Fan ECL5/CATANA: Non-Linear Analysis of Non-Synchronous Blade Vibration at Part-Speed Conditions
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Topics: Blades, Simulation, Vibration, Pressure, Damping, Fluid structure interaction, Waves, Oscillations
Journal Articles

Experiments on Tuned UHBR Open-Test-Case Fan ECL5/CATANA: Performance and Aerodynamics

Alexandra P. Schneider, Anne-Lise Fiquet, Benoit Paoletti, Xavier Ottavy, Christoph Brandstetter
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2024, 146(8): 081001.
Paper No: TURBO-23-1216
https://doi.org/10.1115/1.4064231
Published Online: March 11, 2024
View Article titled, Experiments on Tuned UHBR Open-Test-Case Fan ECL5/CATANA: Performance and Aerodynamics
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Topics: Blades, Design, Pressure, Rotors, Simulation, Reynolds-averaged Navier–Stokes equations, Clearances (Engineering), Aerodynamics, Geometry, Flow (Dynamics)
Journal Articles

Experiments on Tuned UHBR Open-Test-Case Fan ECL5/CATANA: Stability Limit

Christoph Brandstetter, Anne-Lise Fiquet, Alexandra P. Schneider, Benoit Paoletti, Xavier Ottavy
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2024, 146(5): 051011.
Paper No: GTP-23-1513
https://doi.org/10.1115/1.4063717
Published Online: December 11, 2023
View Article titled, Experiments on Tuned UHBR Open-Test-Case Fan ECL5/CATANA: Stability Limit
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Topics: Blades, Stability, Vibration, Pressure, Design, Simulation, Finite element methods, Strain gages, Rotors
Proceedings Papers

Experiments on Tuned UHBR Open-Test-Case Fan ECL5/CATANA: Stability Limit

Anne-Lise Fiquet, Alexandra P. Schneider, Benoit Paoletti, Xavier Ottavy, Christoph Brandstetter
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT21A009, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102537
https://doi.org/10.1115/GT2023-102537
View Paper titled, Experiments on Tuned UHBR Open-Test-Case Fan ECL5/CATANA: Stability Limit
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Topics: Stability, Vibration, Blades, Architecture, Chords (Trusses), Clearances (Engineering), Composite materials, Compressors, Engineering simulation, Fans
Proceedings Papers

Experiments on Tuned UHBR Open-Test-Case Fan ECL5/CATANA: Performance and Aerodynamics

Alexandra P. Schneider, Anne-Lise Fiquet, Benoit Paoletti, Xavier Ottavy, Christoph Brandstetter
Proc. ASME. GT2023, Volume 13A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V13AT29A038, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103629
https://doi.org/10.1115/GT2023-103629
View Paper titled, Experiments on Tuned UHBR Open-Test-Case Fan ECL5/CATANA: Performance and Aerodynamics
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Topics: Aerodynamics, Engineering simulation, Simulation, Architecture, Blades, Boundary layers, Carbon fibers, Clearances (Engineering), Corners (Structural elements), Design
Proceedings Papers

UHBR Open-Test-Case Fan ECL5/CATANA: Numerical Investigation Near the Stability Limit Including Aerodynamic Mistuning

Anne-Lise Fiquet, Xavier Ottavy, Christoph Brandstetter
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT15A001, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-77992
https://doi.org/10.1115/GT2022-77992
View Paper titled, UHBR Open-Test-Case Fan ECL5/CATANA: Numerical Investigation Near the Stability Limit Including Aerodynamic Mistuning
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Topics: Annulus, Architecture, Blades, Carbon fibers, Composite materials, Compressors, Design, Engineering simulation, Flutter (Aerodynamics), Reynolds-averaged Navier–Stokes equations
Proceedings Papers

Influence of a Turbulence Control Screen on the Aerodynamic and Aeroelastic Behavior of a UHBR Fan

Alexandra P. Schneider, Benoit Paoletti, Xavier Ottavy, Christoph Brandstetter
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, V08AT21A011, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81961
https://doi.org/10.1115/GT2022-81961
View Paper titled, Influence of a Turbulence Control Screen on the Aerodynamic and Aeroelastic Behavior of a UHBR Fan
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Topics: Turbulence, Acoustics, Aircraft engines, Composite materials, Design, Ducts, Flight, Honeycomb structures, Inflow, Instrumentation
Journal Articles

Suppression of Nonsynchronous Vibration Through Intentional Aerodynamic and Structural Mistuning

Sina Stapelfeldt, Christoph Brandstetter
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2022, 144(2): 021008.
Paper No: TURBO-21-1144
https://doi.org/10.1115/1.4052233
Published Online: September 27, 2021
View Article titled, Suppression of Nonsynchronous Vibration Through Intentional Aerodynamic and Structural Mistuning
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Topics: Blades, Compressors, Damping, Vibration, Rotors, Stability
Proceedings Papers

Suppression of Non-Synchronous-Vibration Through Intentional Aerodynamic and Structural Mistuning

Sina Stapelfeldt, Christoph Brandstetter
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT23A015, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59659
https://doi.org/10.1115/GT2021-59659
View Paper titled, Suppression of Non-Synchronous-Vibration Through Intentional Aerodynamic and Structural Mistuning
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Topics: Vibration, Blades, Compressors, Design, Fans, Locks (Waterways), Safety, Stability
Journal Articles

Interpretation of Stall Precursor Signatures

Christoph Brandstetter, Xavier Ottavy, Benoit Paoletti, Sina Stapelfeldt
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2021, 143(12): 121011.
Paper No: TURBO-20-1275
https://doi.org/10.1115/1.4051709
Published Online: July 27, 2021
View Article titled, Interpretation of Stall Precursor Signatures
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Topics: Blades, Pressure, Signals, Spectra (Spectroscopy), Vibration, Rotors, Acoustics, Waves, Sensors, Compressors
Journal Articles

Aerodynamic Investigation of a Composite Low-Speed Fan for UHBR Application

Martin Rodrigues, Laurent Soulat, Benoit Paoletti, Xavier Ottavy, Christoph Brandstetter
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2021, 143(10): 101004.
Paper No: TURBO-20-1413
https://doi.org/10.1115/1.4050671
Published Online: May 12, 2021
View Article titled, Aerodynamic Investigation of a Composite Low-Speed Fan for UHBR Application
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Topics: Blades, Composite materials, Design, Flow (Dynamics), Leakage, Pressure, Reynolds-averaged Navier–Stokes equations, Rotors, Simulation, Turbulence
Journal Articles

Acoustic Resonance in an Axial Multistage Compressor Leading to Non-Synchronous Blade Vibration

Anne-Lise Fiquet, Stéphane Aubert, Christoph Brandstetter, Nicolas Buffaz, Agathe Vercoutter
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2021, 143(9): 091014.
Paper No: TURBO-20-1331
https://doi.org/10.1115/1.4050626
Published Online: May 12, 2021
View Article titled, Acoustic Resonance in an Axial Multistage Compressor Leading to Non-Synchronous Blade Vibration
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Topics: Acoustics, Blades, Compressors, Resonance, Rotors, Simulation, Vibration, Waves, Pressure, Flow (Dynamics)
Proceedings Papers

Acoustic Resonance in an Axial Multistage Compressor Leading to Non-Synchronous Blade Vibration

Anne-Lise Fiquet, Agathe Vercoutter, Nicolas Buffaz, Stéphane Aubert, Christoph Brandstetter
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A023, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16011
https://doi.org/10.1115/GT2020-16011
View Paper titled, Acoustic Resonance in an Axial Multistage Compressor Leading to Non-Synchronous Blade Vibration
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Topics: Acoustics, Blades, Compressors, Resonance, Vibration, Waves, Engineering simulation, Rotors, Simulation, Annulus
Proceedings Papers

Aerodynamic Investigation of a Composite Low-Speed Fan for UHBR Application

Martin Rodrigues, Laurent Soulat, Benoit Paoletti, Xavier Ottavy, Christoph Brandstetter
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A009, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14915
https://doi.org/10.1115/GT2020-14915
View Paper titled, Aerodynamic Investigation of a Composite Low-Speed Fan for UHBR Application
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Topics: Composite materials, Fans, Stability, Vibration, Blades, Compressors, Design, Engineering simulation, Flow (Dynamics), Flutter (Aerodynamics)
Proceedings Papers

Acoustic and Convective Mechanisms Contributing to Non-Synchronous-Vibrations in a Multistage Compressor

Christoph Brandstetter, Benoit Paoletti, Xavier Ottavy
Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT36A019, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91514
https://doi.org/10.1115/GT2019-91514
View Paper titled, Acoustic and Convective Mechanisms Contributing to Non-Synchronous-Vibrations in a Multistage Compressor
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Topics: Acoustics, Compressors, Vibration, Machinery, Clearances (Engineering), Flow (Dynamics), Locks (Waterways), Blades, Design, Engines
Journal Articles

Non-Synchronous Aeroacoustic Interaction in an Axial Multi-Stage Compressor

Anne-Lise Fiquet, Christoph Brandstetter, Stéphane Aubert, Mickael Philit
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2019, 141(10): 101013.
Paper No: TURBO-18-1323
https://doi.org/10.1115/1.4044675
Published Online: October 9, 2019
View Article titled, Non-Synchronous Aeroacoustic Interaction in an Axial Multi-Stage Compressor
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Topics: Acoustics, Blades, Compressors, Pressure, Rotors, Switches, Vibration, Waves