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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

Paper No: GT2022-77992

DOI: https://doi.org/10.1115/GT2022-77992

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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

Paper No: GT2022-81961

DOI: https://doi.org/10.1115/GT2022-81961

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Topics: Turbulence, Acoustics, Aircraft engines, Composite materials, Design, Ducts, Flight, Honeycomb structures, Inflow, Instrumentation

Journal Articles

The Unsteady Topology of Corner Separations

Ivo Dawkins, James Taylor, Xavier Ottavy, Rob Miller

J. Turbomach. November 2022, 144(11): 111001.

Paper No: TURBO-21-1255

DOI: https://doi.org/10.1115/1.4054676

Published Online: July 4, 2022

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Topics: Blades, Cascades (Fluid dynamics), Corners (Structural elements), Flow (Dynamics), Separation (Technology), Topology, Design, Boundary layers

Proceedings Papers

The Unsteady Topology of Corner Separations

Ivo Dawkins, James Taylor, Xavier Ottavy, Rob Miller

Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A013, June 7–11, 2021

Paper No: GT2021-58730

DOI: https://doi.org/10.1115/GT2021-58730

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Topics: Corners (Structural elements), Topology, Separation (Technology), Flow (Dynamics), Blades, Annulus, Cascades (Fluid dynamics), Compressors, Convection, Design

Proceedings Papers

Bayesian Inference of Experimental Data for Axial Compressor Performance Assessment

Gonçalo G. Cruz, Cedric Babin, Xavier Ottavy, Fabrizio Fontaneto

Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A029, June 7–11, 2021

Paper No: GT2021-59200

DOI: https://doi.org/10.1115/GT2021-59200

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Topics: Compressors, Algorithms, Flow (Dynamics), Instrumentation, Computer simulation, Errors, Inverse problems, Kalman filters, Pressure, Turbomachinery

Journal Articles

Interpretation of Stall Precursor Signatures

Christoph Brandstetter, Xavier Ottavy, Benoit Paoletti, Sina Stapelfeldt

J. Turbomach. December 2021, 143(12): 121011.

Paper No: TURBO-20-1275

DOI: https://doi.org/10.1115/1.4051709

Published Online: July 27, 2021

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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

J. Turbomach. October 2021, 143(10): 101004.

Paper No: TURBO-20-1413

DOI: https://doi.org/10.1115/1.4050671

Published Online: May 12, 2021

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Topics: Blades, Composite materials, Design, Flow (Dynamics), Leakage, Pressure, Reynolds-averaged Navier–Stokes equations, Rotors, Simulation, Turbulence

Journal Articles

Numerical Characterisation of a HP Compressor Stage Equipped with a Closed Shrouded Stator Cavity

Cedric Babin, Michel Dumas, Xavier Ottavy, Fabrizio Fontaneto

J. Turbomach.

Paper No: TURBO-20-1256

DOI: https://doi.org/10.1115/1.4050333

Published Online: February 26, 2021

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Topics: Cavities, Compressors, Stators, Turbochargers

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

Paper No: GT2020-14915

DOI: https://doi.org/10.1115/GT2020-14915

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Topics: Composite materials, Fans, Stability, Vibration, Blades, Compressors, Design, Engineering simulation, Flow (Dynamics), Flutter (Aerodynamics)

Proceedings Papers

Numerical Characterization of a HP Compressor Stage Equipped With a Closed Shrouded Stator Cavity

Cedric Babin, Michel Dumas, Xavier Ottavy, Fabrizio Fontaneto

Proc. ASME. GT2020, Volume 2A: Turbomachinery, V02AT32A036, September 21–25, 2020

Paper No: GT2020-14908

DOI: https://doi.org/10.1115/GT2020-14908

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Topics: Cavities, Cavity flows, Compressors, Stators

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

Paper No: GT2019-91514

DOI: https://doi.org/10.1115/GT2019-91514

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Topics: Acoustics, Compressors, Vibration, Machinery, Clearances (Engineering), Flow (Dynamics), Locks (Waterways), Blades, Design, Engines

Journal Articles

Project PHARE-2—A High-Speed UHBR Fan Test Facility for a New Open-Test Case

Christoph Brandstetter, Valdo Pages, Pierre Duquesne, Benoit Paoletti, Stéphane Aubert, Xavier Ottavy

J. Turbomach. October 2019, 141(10): 101004.

Paper No: TURBO-18-1311

DOI: https://doi.org/10.1115/1.4043883

Published Online: September 23, 2019

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Topics: Design, Rotors, Test facilities, Blades, Geometry, Acoustics

Journal Articles

Compressible Modal Instability Onset in an Aerodynamically Mistuned Transonic Fan

Christoph Brandstetter, Benoit Paoletti, Xavier Ottavy

J. Turbomach. March 2019, 141(3): 031004.

Paper No: TURBO-18-1175

DOI: https://doi.org/10.1115/1.4042310

Published Online: January 16, 2019

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Topics: Acoustics, Blades, Oscillations, Pressure, Rotors, Exhaust systems, Signals, Flow (Dynamics)

Proceedings Papers

A Study of Loss Mechanism in a Linear Compressor Cascade at the Corner Stall Condition

Zhiyuan Li, Juan Du, Aleksandar Jemcov, Xavier Ottavy, Feng Lin

Proc. ASME. GT2017, Volume 2A: Turbomachinery, V02AT39A044, June 26–30, 2017

Paper No: GT2017-65192

DOI: https://doi.org/10.1115/GT2017-65192

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Topics: Cascades (Fluid dynamics), Compressors, Corners (Structural elements), Flow (Dynamics), Wakes, Separation (Technology), Boundary layers, Accounting, Blades, Delay differential equations

Journal Articles

Corner Separation Dynamics in a Linear Compressor Cascade

Gherardo Zambonini, Xavier Ottavy, Jochen Kriegseis

J. Fluids Eng. June 2017, 139(6): 061101.

Paper No: FE-16-1409

DOI: https://doi.org/10.1115/1.4035876

Published Online: March 22, 2017

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Topics: Blades, Corners (Structural elements), Flow (Dynamics), Separation (Technology), Errors, Pressure, Cascades (Fluid dynamics), Compressors, Boundary layers

Proceedings Papers

Corner Separation Dynamics in a Linear Compressor Cascade

Gherardo Zambonini, Xavier Ottavy, Jochen Kriegseis

Proc. ASME. GT2016, Volume 2D: Turbomachinery, V02DT44A010, June 13–17, 2016

Paper No: GT2016-56454

DOI: https://doi.org/10.1115/GT2016-56454

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Topics: Cascades (Fluid dynamics), Compressors, Corners (Structural elements), Dynamics (Mechanics), Separation (Technology), Blades, Flow (Dynamics), Switches, Boundary layers, Eddies (Fluid dynamics)

Proceedings Papers

Influence of Rotor Tip Flow Field Mis-Prediction on Rotating Disturbance Near Surge in a High Speed Multistage Compressor

Johannes Schreiber, Xavier Ottavy, Ghislaine Ngo Boum, Nicolas Gourdain

Proc. ASME. GT2016, Volume 2A: Turbomachinery, V02AT37A037, June 13–17, 2016

Paper No: GT2016-57372

DOI: https://doi.org/10.1115/GT2016-57372

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Topics: Compressors, Flow (Dynamics), Rotors, Surges, Aircraft engines, Blades, Filtration, Fluid mechanics, High pressure (Physics), Leakage

Proceedings Papers

Numerical Investigation of Intermittent Corner Separation in a Linear Compressor Cascade

Wei Ma, Feng Gao, Xavier Ottavy, Lipeng Lu, A. J. Wang

Proc. ASME. GT2016, Volume 2A: Turbomachinery, V02AT37A035, June 13–17, 2016

Paper No: GT2016-57311

DOI: https://doi.org/10.1115/GT2016-57311

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Topics: Cascades (Fluid dynamics), Compressors, Corners (Structural elements), Separation (Technology), Flow (Dynamics), Blades, Eddies (Fluid dynamics), Fluids, Simulation, Suction

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Journal citation

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Manuscript

Leakage Flow Impact on Shrouded Stator Cavity Flow Topology and Associated High-Speed Axial Compressor Stage Performance

Leakage Flow Impact on Shrouded Stator Cavity Flow Topology and Associated High Speed Axial Compressor Stage Performance

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

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

The Unsteady Topology of Corner Separations

The Unsteady Topology of Corner Separations

Bayesian Inference of Experimental Data for Axial Compressor Performance Assessment

Interpretation of Stall Precursor Signatures

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

Numerical Characterisation of a HP Compressor Stage Equipped with a Closed Shrouded Stator Cavity

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

Numerical Characterization of a HP Compressor Stage Equipped With a Closed Shrouded Stator Cavity

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

Project PHARE-2—A High-Speed UHBR Fan Test Facility for a New Open-Test Case

Compressible Modal Instability Onset in an Aerodynamically Mistuned Transonic Fan

A Study of Loss Mechanism in a Linear Compressor Cascade at the Corner Stall Condition

Corner Separation Dynamics in a Linear Compressor Cascade

Corner Separation Dynamics in a Linear Compressor Cascade

Influence of Rotor Tip Flow Field Mis-Prediction on Rotating Disturbance Near Surge in a High Speed Multistage Compressor

Numerical Investigation of Intermittent Corner Separation in a Linear Compressor Cascade

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