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Journal Articles

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

Accepted Manuscript
Lorenzo Pinelli, Giovanni Giannini, Michele Marconcini, Roberto Pacciani, Andrea Notaristefano, Paolo Gaetani
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-23-1243
https://doi.org/10.1115/1.4064085
Published Online: November 17, 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: Design, Entropy, High pressure (Physics), Turbines, Turbochargers, Waves, Emissions, Noise (Sound), Rotors, Combustion chambers
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
Journal Articles

Reducing Instrumentation Errors Caused by Circumferential Flow-Field Variations in Multistage Axial Compressors

M. Chilla, G. Pullan, S. Gallimore
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2020, 142(9): 091006.
Paper No: TURBO-20-1033
https://doi.org/10.1115/1.4047610
Published Online: August 24, 2020
View Article titled, Reducing Instrumentation Errors Caused by Circumferential Flow-Field Variations in Multistage Axial Compressors
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Topics: Compressors, Errors, Flow (Dynamics), Pressure, Probes, Signals, Stators, Temperature, Wakes, Computational fluid dynamics
Journal Articles

Utilization of Fast Response Pressure Measurements to Non-Intrusively Monitor Blade Vibration in Axial Compressors

Yujun Leng, Nicole L. Key
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2020, 142(3): 031001.
Paper No: TURBO-19-1136
https://doi.org/10.1115/1.4045472
Published Online: February 20, 2020
View Article titled, Utilization of Fast Response Pressure Measurements to Non-Intrusively Monitor Blade Vibration in Axial Compressors
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Topics: Blades, Pressure, Pressure sensors, Rotors, Vibration, Waves, Compressors, Spin (Aerodynamics), Spinning (Textile), Wakes
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
Journal Articles

Study of the Effect of the Scatter of Acoustic Modes on Turbine Flutter

Juan Manuel Gallardo, Adrián Sotillo, Óscar Bermejo
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2019, 141(10): 101010.
Paper No: TURBO-18-1306
https://doi.org/10.1115/1.4043909
Published Online: September 30, 2019
View Article titled, Study of the Effect of the Scatter of Acoustic Modes on Turbine Flutter
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Topics: Acoustics, Flutter (Aerodynamics), Waves, Simulation, Reflection, Electromagnetic scattering, Turbines
Journal Articles

Tonal Fan-Noise Radiation From Aero-Engine Bypass With Serrated End Treatments

Hanbo Jiang, Xun Huang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2019, 141(10): 101005.
Paper No: TURBO-18-1341
https://doi.org/10.1115/1.4043882
Published Online: September 23, 2019
View Article titled, Tonal Fan-Noise Radiation From Aero-Engine Bypass With Serrated End Treatments
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Topics: Acoustics, Aircraft engines, Ducts, Noise (Sound), Radiation (Physics), Waves, Electromagnetic scattering, Radiation scattering, Scattering (Physics), Noise control
Journal Articles

Coupled Fan–Stator Aerodynamic and Acoustic Response to Inflow Distortion

H. M. Atassi, A. V. Kozlov, A. A. Ali, D. A. Topol
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2019, 141(10): 101001.
Paper No: TURBO-18-1309
https://doi.org/10.1115/1.4043963
Published Online: September 5, 2019
View Article titled, Coupled Fan–Stator Aerodynamic and Acoustic Response to Inflow Distortion
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Topics: Acoustics, Stators, Waves, Electromagnetic scattering, Radiation scattering, Scattering (Physics), S-matrix theory, Inflow, Wakes, Blades