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Nicolas Buffaz
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Proceedings Papers

Assessment of RANS Turbulence Models on Simplified Geometries Representative of Turbine Blade Tip Shroud Flow

Fatih Uncu, Benjamin François, Nicolas Buffaz, Sébastien Le Guyader
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A007, June 13–17, 2022
Paper No: GT2022-80681
https://doi.org/10.1115/GT2022-80681
View Paper titled, Assessment of RANS Turbulence Models on Simplified Geometries Representative of Turbine Blade Tip Shroud Flow
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Topics: Flow (Dynamics), Reynolds-averaged Navier–Stokes equations, Turbine blades, Turbulence, Blades, Eddies (Fluid dynamics), Engineering simulation, Kinetic energy, Pressure, Reynolds stress
Proceedings Papers

Influence of RANS Turbulent Inlet Set-Up on the Swirled Hot Streak Redistribution in a Simplified Nozzle Guide Vane Passage: Comparisons With Large-Eddy Simulations

Christopher Wingel, Nicolas Binder, Yannick Bousquet, Jean-François Boussuge, Nicolas Buffaz, Sébastien Le Guyader
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A002, June 13–17, 2022
Paper No: GT2022-78239
https://doi.org/10.1115/GT2022-78239
View Paper titled, Influence of RANS Turbulent Inlet Set-Up on the Swirled Hot Streak Redistribution in a Simplified Nozzle Guide Vane Passage: Comparisons With Large-Eddy Simulations
Open the PDF for Influence of RANS Turbulent Inlet Set-Up on the Swirled Hot Streak Redistribution in a Simplified Nozzle Guide Vane Passage: Comparisons With Large-Eddy Simulations in another window
Topics: Large eddy simulation, Nozzle guide vanes, Reynolds-averaged Navier–Stokes equations, Turbulence, High pressure (Physics), Turbines, Combustion chambers, Diffusion (Physics), Temperature, Aerodynamics
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
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

Evaluation of the Capacity of RANS/URANS/LES in Predicting the Performance of a High-Pressure Turbine: Effect of Load and Off Design Condition

Jérôme Dombard, Florent Duchaine, Laurent Gicquel, Nicolas Odier, Kevin Leroy, Nicolas Buffaz, Sébastien Le-Guyader, Jacques Démolis, Stéphane Richard, Thomas Grosnickel
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A041, September 21–25, 2020
Paper No: GT2020-15447
https://doi.org/10.1115/GT2020-15447
View Paper titled, Evaluation of the Capacity of RANS/URANS/LES in Predicting the Performance of a High-Pressure Turbine: Effect of Load and Off Design Condition
Open the PDF for Evaluation of the Capacity of RANS/URANS/LES in Predicting the Performance of a High-Pressure Turbine: Effect of Load and Off Design Condition in another window
Topics: Design, High pressure (Physics), Reynolds-averaged Navier–Stokes equations, Stress, Turbines, Databases, Industrial design, Large eddy simulation, Pressure, Rotation
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
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

Large-Eddy Simulation of an Integrated High-Pressure Compressor and Combustion Chamber of a Typical Turbine Engine Architecture

Carlos Pérez Arroyo, Jérôme Dombard, Florent Duchaine, Laurent Gicquel, Nicolas Odier, Gorka Exilard, Stéphane Richard, Nicolas Buffaz, Jacques Démolis
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A058, September 21–25, 2020
Paper No: GT2020-16288
https://doi.org/10.1115/GT2020-16288
View Paper titled, Large-Eddy Simulation of an Integrated High-Pressure Compressor and Combustion Chamber of a Typical Turbine Engine Architecture
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Topics: Combustion chambers, Compressors, Gas turbines, High pressure (Physics), Large eddy simulation, Blades, Diffusers, Simulation, Computation, Pressure
Proceedings Papers

Large Eddy Simulations in a Transonic Centrifugal Compressor

Jérôme Dombard, Florent Duchaine, Laurent Gicquel, Gabriel Staffelbach, Nicolas Buffaz, Isabelle Trébinjac
Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT44A030, June 11–15, 2018
Paper No: GT2018-77023
https://doi.org/10.1115/GT2018-77023
View Paper titled, Large Eddy Simulations in a Transonic Centrifugal Compressor
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Topics: Compressors, Large eddy simulation, Rotors, Surges, Blades, Diffusers, Leakage, Boundary layers, Computation, Flow (Dynamics)
Proceedings Papers

Impact of Tip Clearance Size and Rotation Speed on the Surge Onset in a High Pressure Centrifugal Compressor

Nicolas Buffaz, Isabelle Trébinjac
Proc. ASME. GT2012, Volume 8: Turbomachinery, Parts A, B, and C, 2491-2500, June 11–15, 2012
Paper No: GT2012-68427
https://doi.org/10.1115/GT2012-68427
View Paper titled, Impact of Tip Clearance Size and Rotation Speed on the Surge Onset in a High Pressure Centrifugal Compressor
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Topics: Clearances (Engineering), Compressors, High pressure (Physics), Rotation, Surges, Diffusers, Impellers, Blades, Boundary layers, Design
Proceedings Papers

Surge Inception in a Transonic Centrifugal Compressor Stage

Isabelle Tre´binjac, Nicolas Bulot, Xavier Ottavy, Nicolas Buffaz
Proc. ASME. GT2011, Volume 7: Turbomachinery, Parts A, B, and C, 1481-1491, June 6–10, 2011
Paper No: GT2011-45116
https://doi.org/10.1115/GT2011-45116
View Paper titled, Surge Inception in a Transonic Centrifugal Compressor Stage
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Topics: Compressors, Surges, Flow (Dynamics), Diffusers, Shock (Mechanics), Transducers, Wavelength, Computation, Engineering simulation, Impellers