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Journal Articles

CONCEPTUAL ANALYSIS ON THE IMPACT OF ACOUSTIC LINERS IN FAN FLUTTER

Accepted Manuscript
Javier Gonzalez-Monge, José Miguel Pérez, Roque Corral, Fanzhou Zhao, Mehdi Vahdati
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1272
https://doi.org/10.1115/1.4066740
Published Online: September 30, 2024
View Article titled, CONCEPTUAL ANALYSIS ON THE IMPACT OF ACOUSTIC LINERS IN FAN FLUTTER
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Topics: Acoustics, Flutter (Aerodynamics), Turbochargers, Waves, Reflection, Axial flow, Blades, Compressors, Design, Ducts
Journal Articles

The Unsteady Shock-Boundary Layer Interaction in a Compressor Cascade – Part 3: Mechanisms of Shock Oscillation

Accepted Manuscript
Edwin Joseph Munoz Lopez, Alexander Hergt, Joachim Klinner, Bjoern F. Klose, Christian Willert, Volker Gümmer
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1157
https://doi.org/10.1115/1.4066186
Published Online: August 7, 2024
View Article titled, The Unsteady Shock-Boundary Layer Interaction in a Compressor Cascade – Part 3: Mechanisms of Shock Oscillation
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Topics: Cascades (Fluid dynamics), Compressors, Oscillations, Shock (Mechanics), Turbochargers, Computational fluid dynamics, Pressure, Unsteady flow, Waves, Blades
Journal Articles

Unsteady Aerodynamic Forcing Due to Distortion in a Boundary Layer Ingesting Fan

Hans Mårtensson, Mattias Billson
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2024, 146(7): 071008.
Paper No: TURBO-23-1195
https://doi.org/10.1115/1.4065517
Published Online: June 3, 2024
View Article titled, Unsteady Aerodynamic Forcing Due to Distortion in a Boundary Layer Ingesting Fan
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Topics: Blades, Flow (Dynamics), Pressure, Design, Boundary layers, Waves, Acoustics
Journal Articles

Impact of Flow Unsteadiness on Turbine Airfoil Heat Transfer via Streaming

Tapish Agarwal, Ian Jacobi, Beni Cukurel
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2024, 146(9): 091004.
Paper No: TURBO-23-1120
https://doi.org/10.1115/1.4065123
Published Online: April 4, 2024
View Article titled, Impact of Flow Unsteadiness on Turbine Airfoil Heat Transfer via Streaming
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Topics: Airfoils, Flow (Dynamics), Heat transfer, Skin friction (Fluid dynamics), Turbines, Pressure gradient, Fluctuations (Physics), Turbine blades, Pressure, Waves
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

The Impact of the Off-Design Conditions on the Entropy Wave Interaction With a High-Pressure Turbine Stage

Lorenzo Pinelli, Giovanni Giannini, Michele Marconcini, Roberto Pacciani, Andrea Notaristefano, Paolo Gaetani
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2024, 146(4): 041003.
Paper No: TURBO-23-1243
https://doi.org/10.1115/1.4064085
Published Online: December 15, 2023
View Article titled, The Impact of the Off-Design Conditions on the Entropy Wave Interaction With a High-Pressure Turbine Stage
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Topics: Blades, Design, Entropy, Flow (Dynamics), Fluctuations (Physics), Pressure, Rotors, Stress, Temperature, Turbines
Journal Articles

The Effect of Upstream Unsteadiness on the Unstarting of a Supersonic Inlet Turbine

Noraiz Mushtaq, Paolo Gaetani
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2024, 146(4): 041005.
Paper No: TURBO-23-1248
https://doi.org/10.1115/1.4064135
Published Online: December 15, 2023
View Article titled, The Effect of Upstream Unsteadiness on the Unstarting of a Supersonic Inlet Turbine
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Topics: Mach number, Shock (Mechanics), Shock waves, Simulation, Turbines, Flow (Dynamics), Dynamics (Mechanics), Computational fluid dynamics, Waves, Blades
Journal Articles

Computational Aeroacoustics for a Cold, Non-Ideally Expanded Aerospike Nozzle

Thomas Golliard, Mihai Mihaescu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2024, 146(2): 021003.
Paper No: TURBO-23-1152
https://doi.org/10.1115/1.4063877
Published Online: November 8, 2023
View Article titled, Computational Aeroacoustics for a Cold, Non-Ideally Expanded Aerospike Nozzle
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Topics: Acoustics, Flow (Dynamics), Noise (Sound), Nozzles, Shear (Mechanics), Shock (Mechanics), Pressure, Aerodynamic noise, Oscillations, Waves
Journal Articles

Harmonic Method for Simulating Unsteady Multispool Interactions

Feng Wang, Luca di Mare
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2023, 145(9): 091005.
Paper No: TURBO-22-1135
https://doi.org/10.1115/1.4062242
Published Online: May 30, 2023
View Article titled, Harmonic Method for Simulating Unsteady Multispool Interactions
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Topics: Blades, Flow (Dynamics), Simulation, Temperature, Turbines, Temperature distribution, Pressure, Waves, Computational fluid dynamics, Engines
Journal Articles

The Effects of Swirling Flows in Entropy Wave Convection Through High-Pressure Turbine Stage

Lorenzo Pinelli, Michele Marconcini, Roberto Pacciani, Andrea Notaristefano, Paolo Gaetani
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2023, 145(3): 031004.
Paper No: TURBO-22-1236
https://doi.org/10.1115/1.4055613
Published Online: October 17, 2022
View Article titled, The Effects of Swirling Flows in Entropy Wave Convection Through High-Pressure Turbine Stage
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Topics: Entropy, Flow (Dynamics), Stators, Swirling flow, Temperature, Turbines, Waves, Rotors, Noise (Sound), Blades
Journal Articles

Physics and Instantaneous Performance of Radial Turbines in Unsteady Flows: Validity of the Quasi-Steady Assumption for the Rotor

Nicolas Binder, Yanncik Bousquet, Florian Hermet, Jérémie Gressier
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2022, 144(11): 111002.
Paper No: TURBO-21-1186
https://doi.org/10.1115/1.4054777
Published Online: July 4, 2022
View Article titled, Physics and Instantaneous Performance of Radial Turbines in Unsteady Flows: Validity of the Quasi-Steady Assumption for the Rotor
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Topics: Flow (Dynamics), Pressure, Rotors, Torque, Transients (Dynamics), Turbines, Unsteady flow, Waves, Computer simulation, Physics
Journal Articles

Stall Behavior in an Ultrahigh-Pressure-Ratio Centrifugal Compressor: Backward-Traveling Rotating Stall

Yingjie Zhang, Xingen Lu, Yanfeng Zhang, Ziqing Zhang, Xu Dong, Ge Han
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2022, 144(10): 101010.
Paper No: TURBO-20-1318
https://doi.org/10.1115/1.4050918
Published Online: April 21, 2022
View Article titled, Stall Behavior in an Ultrahigh-Pressure-Ratio Centrifugal Compressor: Backward-Traveling Rotating Stall
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Topics: Blades, Compressors, Diffusers, Flow (Dynamics), Impellers, Pressure, Rotation, Waves, Separation (Technology), Suction
Journal Articles

Impact of Swirling Entropy Waves on a High Pressure Turbine

Andrea Notaristefano, Paolo Gaetani
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2022, 144(3): 031010.
Paper No: TURBO-21-1155
https://doi.org/10.1115/1.4052353
Published Online: October 5, 2021
View Article titled, Impact of Swirling Entropy Waves on a High Pressure Turbine
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Topics: Blades, Entropy, Flow (Dynamics), Pressure, Rotors, Stators, Temperature, Turbines, Waves, Combustion chambers
Journal Articles

Effects of Surface Waviness on Fan Blade Boundary Layer Transition and Profile Loss—Part I: Methodology and Computational Results

Jinwook Lee, Zoltán S. Spakovszky, Edward M. Greitzer, Mark Drela, Jérôme Talbotec
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2022, 144(2): 021001.
Paper No: TURBO-21-1159
https://doi.org/10.1115/1.4052235
Published Online: September 22, 2021
View Article titled, Effects of Surface Waviness on Fan Blade Boundary Layer Transition and Profile Loss—Part I: Methodology and Computational Results
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Topics: Blades, Boundary layers, Flow (Dynamics), Wavelength, Waves, Acoustics
Journal Articles

Effects of Surface Waviness on Fan Blade Boundary Layer Transition and Profile Loss—Part II: Experimental Assessments and Applications

Jinwook Lee, Vaishnavi Ramaswamy, Zoltán S. Spakovszky, Edward M. Greitzer, Mark Drela, Jérôme Talbotec
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2022, 144(2): 021002.
Paper No: TURBO-21-1160
https://doi.org/10.1115/1.4052236
Published Online: September 22, 2021
View Article titled, Effects of Surface Waviness on Fan Blade Boundary Layer Transition and Profile Loss—Part II: Experimental Assessments and Applications
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Topics: Blades, Boundary layers, Chords (Trusses), Wavelength, Waves, Thermography, Design, Surface waves (Fluid)
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

Prediction of the Acoustic Reflection in a Realistic Aeroengine Intake With Three Numerical Methods to Analyze Fan Flutter

Thomas Bontemps, Stéphane Aubert, Maxime de Pret
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2021, 143(10): 101016.
Paper No: TURBO-21-1011
https://doi.org/10.1115/1.4051113
Published Online: July 5, 2021
View Article titled, Prediction of the Acoustic Reflection in a Realistic Aeroengine Intake With Three Numerical Methods to Analyze Fan Flutter
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Topics: Acoustics, Flutter (Aerodynamics), Reflection, Simulation, Waves, Errors
Journal Articles

Computational and Experimental Study of the Unsteady Convection of Entropy Waves Within a High-Pressure Turbine Stage

Lorenzo Pinelli, Michele Marconcini, Roberto Pacciani, Paolo Gaetani, Giacomo Persico
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2021, 143(9): 091011.
Paper No: TURBO-20-1381
https://doi.org/10.1115/1.4050600
Published Online: May 12, 2021
View Article titled, Computational and Experimental Study of the Unsteady Convection of Entropy Waves Within a High-Pressure Turbine Stage
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Topics: Blades, Entropy, Flow (Dynamics), Rotors, Stators, Temperature, Turbines, Waves, Fluctuations (Physics), Pressure
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)
Journal Articles

Impact of Exit Duct Dynamic Response on Compressor Stability

Wenqiang Zhang, Mehdi Vahdati, Fanzhou Zhao
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2020, 142(11): 111006.
Paper No: TURBO-19-1212
https://doi.org/10.1115/1.4048153
Published Online: October 15, 2020
View Article titled, Impact of Exit Duct Dynamic Response on Compressor Stability
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Topics: Compressors, Ducts, Flow (Dynamics), Nozzles, Pressure, Reflection, Waves, Stability, Geometry